{"id":31435,"date":"2026-09-03T16:28:46","date_gmt":"2026-09-03T10:58:46","guid":{"rendered":"https:\/\/stitchpartner.com\/?post_type=product&#038;p=31435"},"modified":"2026-09-10T17:38:21","modified_gmt":"2026-09-10T12:08:21","slug":"jack-9100b-904a-pcb-control-board-9950017800","status":"publish","type":"product","link":"https:\/\/stitchpartner.com\/hi\/product\/jack-9100b-904a-pcb-control-board-9950017800\/","title":{"rendered":"Jack 9100B 904A PCB Control Board 9950017800"},"content":{"rendered":"<h3 class=\"PDq2pG_selectionAnchorContainer\" data-section-id=\"8m4aac\" data-start=\"425\" data-end=\"473\">Jack 9100B 904A PCB Control Board 9950017800<\/h3>\n<p data-start=\"475\" data-end=\"755\">The <a href=\"https:\/\/stitchpartner.com\/hi\/product-category\/jack-sewing-machine-spare-parts\/9100-9100bp-9100bs-spare-parts\/\"><strong data-start=\"479\" data-end=\"527\">Jack 9100B 904A PCB Control Board 9950017800<\/strong><\/a> is the main electronic control board for compatible Jack JK-9100B series direct-drive single-needle lockstitch machines. It is designed to manage the electronic functions of the sewing machine and its direct-drive motor system.<\/p>\n<p data-start=\"757\" data-end=\"1020\">This replacement PCB is identified by <strong data-start=\"795\" data-end=\"818\">Part No. 9950017800<\/strong> \u0914\u0930 <strong data-start=\"823\" data-end=\"840\">PCB Code 904A<\/strong>. The same part number and 904A designation are also identified by specialist sewing-machine-parts listings for the Jack JK-9100B control box.<\/p>\n<p data-start=\"1022\" data-end=\"1048\"><strong data-start=\"1022\" data-end=\"1040\">\u092a\u0948\u0915 \u092e\u093e\u0924\u094d\u0930\u093e:<\/strong> 1 \u091f\u0941\u0915\u0921\u093c\u093e<\/p>\n<h3 data-section-id=\"tdccsm\" data-start=\"1050\" data-end=\"1096\"><a href=\"https:\/\/stitchpartner.com\/hi\/product-category\/jack-sewing-machine-spare-parts\/9100-9100bp-9100bs-spare-parts\/\">Designed for Jack JK-9100B Series Machines<\/a><\/h3>\n<ul data-start=\"1169\" data-end=\"1218\">\n<li data-section-id=\"829yj1\" data-start=\"1169\" data-end=\"1184\">\u091c\u0948\u0915 \u091c\u0947\u0915\u0947-9100\u092c\u0940<\/li>\n<li data-section-id=\"1gzshku\" data-start=\"1185\" data-end=\"1201\">Jack JK-9100BS<\/li>\n<li data-section-id=\"1gzshkt\" data-start=\"1202\" data-end=\"1218\">Jack JK-9100BP<\/li>\n<\/ul>\n<p data-start=\"1220\" data-end=\"1409\">The primary application is the <strong data-start=\"1251\" data-end=\"1300\">single-needle direct-drive lockstitch machine<\/strong>. Before ordering, compare the part number and PCB marking on your existing board with <strong data-start=\"1387\" data-end=\"1408\">9950017800 \/ 904A<\/strong>.<\/p>\n<h3 data-section-id=\"1iz91iu\" data-start=\"1411\" data-end=\"1427\">\u092a\u094d\u0930\u092e\u0941\u0916 \u0935\u093f\u0936\u0947\u0937\u0924\u093e\u0910\u0902<\/h3>\n<p data-start=\"1429\" data-end=\"1642\"><strong data-start=\"1429\" data-end=\"1462\">High-Capacity Power Filtering<\/strong><br data-start=\"1462\" data-end=\"1465\" \/>The PCB incorporates a main electrolytic capacitor and filtering components designed to help smooth the machine&#8217;s rectified power supply and support stable electronic operation.<\/p>\n<p data-start=\"1644\" data-end=\"1892\"><strong data-start=\"1644\" data-end=\"1674\">Direct-Drive Motor Control<\/strong><br data-start=\"1674\" data-end=\"1677\" \/>The control circuitry manages the electronic operation of the direct-drive motor system, supporting controlled sewing speed, acceleration response and needle-position functions where supported by the machine system.<\/p>\n<p data-start=\"1894\" data-end=\"2084\"><strong data-start=\"1894\" data-end=\"1929\">Integrated Power Supply Section<\/strong><br data-start=\"1929\" data-end=\"1932\" \/>An onboard high-frequency transformer and associated circuitry provide the low-voltage power required by internal electronic control and logic circuits.<\/p>\n<p data-start=\"2086\" data-end=\"2278\"><strong data-start=\"2086\" data-end=\"2119\">Voltage Protection Components<\/strong><br data-start=\"2119\" data-end=\"2122\" \/>Protection components such as varistors and diodes are incorporated into the board to help protect sensitive electronic circuits from electrical transients.<\/p>\n<p data-start=\"2280\" data-end=\"2518\"><strong data-start=\"2280\" data-end=\"2316\">Multi-Pin Electrical Connections<\/strong><br data-start=\"2316\" data-end=\"2319\" \/>The board uses dedicated terminal connectors for connecting compatible machine wiring, sensors and control components. Always reconnect each plug according to the original machine wiring arrangement.<\/p>\n<h3 data-section-id=\"tcc9pp\" data-start=\"2520\" data-end=\"2545\">\u092e\u0936\u0940\u0928 \u0905\u0928\u0941\u0915\u0942\u0932\u0924\u093e<\/h3>\n<div class=\"group TyagGW_tableContainer\">\n<div class=\"TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\">\n<table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"2547\" data-end=\"2800\">\n<thead data-start=\"2547\" data-end=\"2576\">\n<tr data-start=\"2547\" data-end=\"2576\">\n<th class=\"last:pe-10\" data-start=\"2547\" data-end=\"2562\" data-col-size=\"md\">\u092e\u0936\u0940\u0928 \u0915\u093e \u092a\u094d\u0930\u0915\u093e\u0930<\/th>\n<th class=\"last:pe-10\" data-start=\"2562\" data-end=\"2576\" data-col-size=\"sm\">\u0905\u0928\u0941\u0915\u0942\u0932<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"2587\" data-end=\"2800\">\n<tr data-start=\"2587\" data-end=\"2610\">\n<td data-start=\"2587\" data-end=\"2603\" data-col-size=\"md\">\u091c\u0948\u0915 \u091c\u0947\u0915\u0947-9100\u092c\u0940<\/td>\n<td data-start=\"2603\" data-end=\"2610\" data-col-size=\"sm\">\u0939\u093e\u0901<\/td>\n<\/tr>\n<tr data-start=\"2611\" data-end=\"2635\">\n<td data-start=\"2611\" data-end=\"2628\" data-col-size=\"md\">Jack JK-9100BS<\/td>\n<td data-start=\"2628\" data-end=\"2635\" data-col-size=\"sm\">\u0939\u093e\u0901<\/td>\n<\/tr>\n<tr data-start=\"2636\" data-end=\"2660\">\n<td data-start=\"2636\" data-end=\"2653\" data-col-size=\"md\">Jack JK-9100BP<\/td>\n<td data-start=\"2653\" data-end=\"2660\" data-col-size=\"sm\">\u0939\u093e\u0901<\/td>\n<\/tr>\n<tr data-start=\"2661\" data-end=\"2747\">\n<td data-start=\"2661\" data-end=\"2709\" data-col-size=\"md\">Single-Needle Direct-Drive Lockstitch Machine<\/td>\n<td data-start=\"2709\" data-end=\"2747\" data-col-size=\"sm\">Yes, for the specified Jack models<\/td>\n<\/tr>\n<tr data-start=\"2748\" data-end=\"2800\">\n<td data-start=\"2748\" data-end=\"2778\" data-col-size=\"md\">TA1 \u091b\u093e\u0924\u093e \u0938\u093f\u0932\u093e\u0908 \u092e\u0936\u0940\u0928<\/td>\n<td data-start=\"2778\" data-end=\"2800\" data-col-size=\"sm\">No \/ Not specified<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p data-start=\"2802\" data-end=\"2879\"><strong data-start=\"2802\" data-end=\"2818\">Part Number:<\/strong> 9950017800<br data-start=\"2829\" data-end=\"2832\" \/><strong data-start=\"2832\" data-end=\"2845\">PCB Code:<\/strong> 904A<br data-start=\"2850\" data-end=\"2853\" \/><strong data-start=\"2853\" data-end=\"2871\">\u092a\u0948\u0915 \u092e\u093e\u0924\u094d\u0930\u093e:<\/strong> 1 \u091f\u0941\u0915\u0921\u093c\u093e<\/p>\n<p data-start=\"2881\" data-end=\"3097\">The product listing from StitchSpares identifies <strong data-start=\"2930\" data-end=\"2944\">9950017800<\/strong> as a JK-9100B PCB and places it within the Jack 9100\/9100B\/9100BP\/9100BS industrial sewing-machine parts category.<\/p>\n<h3 data-section-id=\"tmejgf\" data-start=\"3099\" data-end=\"3123\">Who Is This PCB For?<\/h3>\n<p data-start=\"3125\" data-end=\"3332\">This replacement control board is suitable for sewing-machine technicians, garment factories, tailoring workshops and maintenance professionals working with compatible Jack direct-drive lockstitch equipment.<\/p>\n<p data-start=\"3334\" data-end=\"3585\">It can be considered when the existing control board has an electronic fault or requires replacement. Because PCB versions can look similar, checking the <strong data-start=\"3488\" data-end=\"3555\">part number, PCB code, connector arrangement and existing board<\/strong> before purchase is important.<\/p>\n<h3 data-section-id=\"54gza8\" data-start=\"3587\" data-end=\"3609\">\u0907\u0902\u0938\u094d\u091f\u093e\u0932\u0947\u0936\u0928 \u0917\u093e\u0907\u0921<\/h3>\n<ol data-start=\"3611\" data-end=\"4392\">\n<li data-section-id=\"1vd724w\" data-start=\"3611\" data-end=\"3689\">Switch off the sewing machine and disconnect it from the electrical supply.<\/li>\n<li data-section-id=\"14q2m3k\" data-start=\"3690\" data-end=\"3772\">Allow the machine electronics to discharge before opening the control-box area.<\/li>\n<li data-section-id=\"10sls7g\" data-start=\"3773\" data-end=\"3838\">Photograph or label the existing wire and connector positions.<\/li>\n<li data-section-id=\"5djfsp\" data-start=\"3839\" data-end=\"3901\">Remove the existing PCB carefully from its mounting points.<\/li>\n<li data-section-id=\"vlsmsi\" data-start=\"3902\" data-end=\"4016\">Compare the replacement board with the original board, including <strong data-start=\"3970\" data-end=\"3991\">9950017800 \/ 904A<\/strong> markings and connectors.<\/li>\n<li data-section-id=\"b632om\" data-start=\"4017\" data-end=\"4072\">Install the replacement PCB in the same orientation.<\/li>\n<li data-section-id=\"dwviip\" data-start=\"4073\" data-end=\"4150\">Reconnect the electrical connectors according to the original arrangement.<\/li>\n<li data-section-id=\"ffbj75\" data-start=\"4151\" data-end=\"4194\">Close the control-box assembly securely.<\/li>\n<li data-section-id=\"1cjv46e\" data-start=\"4195\" data-end=\"4248\">Power on the machine and test its basic functions.<\/li>\n<li data-section-id=\"11k5n02\" data-start=\"4249\" data-end=\"4392\">If the machine does not operate correctly, switch off the power and have the wiring and PCB installation checked by a qualified technician.<\/li>\n<\/ol>\n<h3 data-section-id=\"ul2pwc\" data-start=\"4561\" data-end=\"4591\">\u0905\u0915\u094d\u0938\u0930 \u092a\u0942\u091b\u0947 \u091c\u093e\u0928\u0947 \u0935\u093e\u0932\u0947 \u0938\u0935\u093e\u0932<\/h3>\n<h4 data-start=\"4593\" data-end=\"4638\">Is 9950017800 the PCB for Jack JK-9100B?<\/h4>\n<p data-start=\"4640\" data-end=\"4925\"><strong data-start=\"4640\" data-end=\"4648\">\u0939\u093e\u0901\u0964.<\/strong> \u092d\u093e\u0917 \u0938\u0902\u0916\u094d\u092f\u093e <strong data-start=\"4661\" data-end=\"4675\">9950017800<\/strong> is identified as the main control board associated with the Jack JK-9100B control box and 904A PCB designation. The available specialist listing specifically names the JK-9100B, 9950017800 and 904A PCB together.<\/p>\n<h4 data-start=\"4927\" data-end=\"4962\">What is the 904A PCB used for?<\/h4>\n<p data-start=\"4964\" data-end=\"5228\"><strong data-start=\"4964\" data-end=\"5089\">The 904A PCB is used as the main electronic control board in the compatible Jack JK-9100B direct-drive lockstitch system.<\/strong> It handles electronic control functions within the machine&#8217;s control-box assembly and interfaces with the machine&#8217;s electrical components.<\/p>\n<h4 data-start=\"5230\" data-end=\"5268\">Does this PCB fit Jack JK-9100BS?<\/h4>\n<p data-start=\"5270\" data-end=\"5520\"><strong data-start=\"5270\" data-end=\"5359\">It is specified for the Jack JK-9100BS within the supplied compatibility information.<\/strong> Before purchase, compare your existing board&#8217;s part number and PCB identification. If the markings differ, verify compatibility before installing a replacement.<\/p>\n<h4 data-start=\"5522\" data-end=\"5560\">Does this PCB fit Jack JK-9100BP?<\/h4>\n<p data-start=\"5562\" data-end=\"5751\"><strong data-start=\"5562\" data-end=\"5651\">It is specified for the Jack JK-9100BP within the supplied compatibility information.<\/strong> Check the existing PCB&#8217;s <strong data-start=\"5677\" data-end=\"5698\">9950017800 \/ 904A<\/strong> identification and connector layout before ordering.<\/p>\n<h4 data-start=\"5753\" data-end=\"5811\">How do I know if I need to replace the control board?<\/h4>\n<p data-start=\"5813\" data-end=\"6122\"><strong data-start=\"5813\" data-end=\"5912\">A PCB should only be replaced after the machine&#8217;s electrical fault has been properly diagnosed.<\/strong> Problems involving motor control, power supply, sensors or machine operation can have several causes. Check the wiring, connectors and other related components before assuming that the PCB itself is defective.<\/p>\n<h4 data-start=\"6124\" data-end=\"6185\">Is this PCB suitable for all industrial sewing machines?<\/h4>\n<p data-start=\"6187\" data-end=\"6369\"><strong data-start=\"6187\" data-end=\"6194\">\u0928\u0939\u0940\u0902\u0964.<\/strong> This board is specified for compatible Jack JK-9100B-series direct-drive lockstitch machines.<\/p>\n<h4 data-start=\"6568\" data-end=\"6602\">Can I install the PCB myself?<\/h4>\n<p data-start=\"6604\" data-end=\"6860\"><strong data-start=\"6604\" data-end=\"6696\">PCB replacement should preferably be performed by a qualified sewing-machine technician.<\/strong> Incorrect wiring or handling of powered electronic components can damage the board or machine. Disconnect the machine from power before inspection or installation.<\/p>","protected":false},"excerpt":{"rendered":"<p class=\"PDq2pG_selectionAnchorContainer\" data-start=\"7236\" data-end=\"7517\">Jack 9100B 904A PCB Control Board, Part No. 9950017800, for compatible JK-9100B, JK-9100BS and JK-9100BP single-needle direct-drive lockstitch machines. Designed for electronic motor control, power regulation and machine control functions. Pack of 1 piece.<\/p>","protected":false},"featured_media":31473,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_yoast_wpseo_focuskw":"Jack 9100B 904A PCB control board","_yoast_wpseo_title":"Jack 9100B 904A PCB Control Board 9950017800 %%sep%% %%sitename%%","_yoast_wpseo_metadesc":"Buy Jack 9100B 904A PCB Control Board 9950017800 for compatible JK-9100B, JK-9100BS and JK-9100BP direct-drive lockstitch machines. 1 piece.","_yoast_wpseo_meta-robots-noindex":"","_yoast_wpseo_meta-robots-nofollow":"","_yoast_wpseo_bctitle":"","_yoast_wpseo_canonical":"","_yoast_wpseo_opengraph-title":"","_yoast_wpseo_opengraph-description":"","_yoast_wpseo_twitter-title":"","_yoast_wpseo_twitter-description":""},"product_brand":[967],"product_cat":[766,765,952,1103],"product_tag":[3282,3283,3152,976,3281,3284,3285,3287,3286,2126,3271,3289,3130,3288],"class_list":["post-31435","product","type-product","status-publish","has-post-thumbnail","product_brand-jack","product_cat-9100-9100bp-9100bs-spare-parts","product_cat-jack-sewing-machine-spare-parts","product_cat-sewing-motor-and-spare-parts","product_cat-sewing-machine-motherboard-and-chip","product_tag-904a-pcb","product_tag-9950017800-pcb","product_tag-direct-drive-pcb","product_tag-industrial-sewing-machine-parts","product_tag-jack-9100b-pcb","product_tag-jack-control-board","product_tag-jack-jk-9100b-parts","product_tag-jack-jk-9100bp-parts","product_tag-jack-jk-9100bs-parts","product_tag-jack-sewing-machine-spare-parts","product_tag-lockstitch-machine-pcb","product_tag-pcb-replacement","product_tag-sewing-machine-control-board","product_tag-sewing-machine-electronics","first","instock","sale","shipping-taxable","purchasable","product-type-simple"],"acf":[],"pure_taxonomies":{"product_brand":[{"term_id":967,"name":"JACK","slug":"jack","term_group":0,"term_taxonomy_id":967,"taxonomy":"product_brand","description":"","parent":0,"count":63,"filter":"raw","image":""}],"product_cat":[{"term_id":766,"name":"9100 \/9100BP\/9100BS","slug":"9100-9100bp-9100bs-spare-parts","term_group":0,"term_taxonomy_id":766,"taxonomy":"product_cat","description":"<h1 data-start=\"348\" data-end=\"380\">9100\/9100BP\/9100BS Spare Parts<\/h1>\r\n<p data-start=\"382\" data-end=\"644\">Machines like the 9100, 9100BP, and 9100BS are built to last\u2014but even the best machines need a few parts replaced now and then. If your stitching isn\u2019t as clean or your motor doesn\u2019t run like it used to, chances are a small part has worn out and needs attention.<\/p>\r\n\r\n<h2 data-start=\"646\" data-end=\"681\">Trusted Parts, Carefully Matched<\/h2>\r\n<p data-start=\"683\" data-end=\"884\">Every sewing machine part in this collection has been selected to match these models perfectly. Whether it\u2019s a feed dog, foot controller, or tension unit\u2014these spares are made for smooth compatibility.<\/p>\r\n<p data-start=\"886\" data-end=\"1069\">Repairs can be done easily at home, and downtime can be reduced significantly with the right part. The guesswork is taken out of the process\u2014so you can focus on sewing, not searching.<\/p>\r\n<p data-start=\"1071\" data-end=\"1274\">Even if you're not an expert, parts can be fitted quickly, and your machine will feel like new again. Trusted by tailors and used in homes and workshops alike, these spares have been relied on for years.<\/p>\r\n\r\n<h2 data-start=\"1276\" data-end=\"1308\">Simple Fixes, Lasting Results<\/h2>\r\n<p data-start=\"1310\" data-end=\"1499\">Finding <strong data-start=\"1318\" data-end=\"1352\">9100\/9100BP\/9100BS spare parts<\/strong> has been made easy here. No need to visit multiple stores or second-guess compatibility. Every component is checked for quality and ready to ship.<\/p>\r\n<p data-start=\"1501\" data-end=\"1693\">With the right part, your machine\u2019s performance is restored, and your work continues without delay. Good tools deserve good care\u2014and now, it\u2019s simpler than ever to give your machine just that.<\/p>","parent":765,"count":26,"filter":"raw","image":""},{"term_id":765,"name":"JACK","slug":"jack-sewing-machine-spare-parts","term_group":0,"term_taxonomy_id":765,"taxonomy":"product_cat","description":"<h1>Jack Sewing Machine Spare Parts<\/h1>\n<p>Jack is one of the most widely used industrial sewing machine brands in Indian garment units, tailoring shops, and boutiques \u2014 known for energy-efficient direct-drive motors and computerized models like the F4, F5, and F6. Like any machine run for hours every day, a Jack sewing machine needs worn parts replaced to keep stitching consistent. StitchPartner stocks <strong>genuine and compatible Jack sewing machine spare parts<\/strong> organized by exact model series, with Pan-India delivery and Cash on Delivery on eligible orders.<\/p>\n\n<h2>Which Jack Model Do You Have?<\/h2>\n<p>Jack spare parts vary by model series, so start with the category that matches your machine's data plate:<\/p>\n<h3>Single Needle Lockstitch<\/h3>\n<ul>\n<li><strong><a href=\"https:\/\/stitchpartner.com\/product-category\/jack-sewing-machine-spare-parts\/jack-f4-f5-f6-spare-parts\/\">Jack F4 \/ F5 \/ F6 Spare Parts<\/a><\/strong> \u2014 our largest and most complete Jack range, including motherboard PCBs, presser feet, feed dogs, and full compatibility guidance.<\/li>\n<li><strong><a href=\"https:\/\/stitchpartner.com\/product-category\/jack-sewing-machine-spare-parts\/9100-9100bp-9100bs-spare-parts\/\">9100 \/ 9100BP \/ 9100BS Spare Parts<\/a><\/strong><\/li>\n<li><strong><a href=\"https:\/\/stitchpartner.com\/product-category\/jack-sewing-machine-spare-parts\/a2-a2s-a3-a4-a5-spare-part\/\">A2 \/ A2S \/ A3 \/ A4 \/ A5 Spare Parts<\/a><\/strong><\/li>\n<\/ul>\n<h3>Overlock<\/h3>\n<ul>\n<li><strong><a href=\"https:\/\/stitchpartner.com\/product-category\/jack-sewing-machine-spare-parts\/jk-768-798-795-spare-parts\/\">JK-768 \/ 798 \/ 795 Spare Parts<\/a><\/strong><\/li>\n<li><strong><a href=\"https:\/\/stitchpartner.com\/product-category\/jack-sewing-machine-spare-parts\/e4-e4-5-spare-part\/\">E4 \/ E4-5 Spare Parts<\/a><\/strong><\/li>\n<\/ul>\n<h3>Flatlock \/ Interlock<\/h3>\n<ul>\n<li><strong><a href=\"https:\/\/stitchpartner.com\/product-category\/jack-sewing-machine-spare-parts\/jk-8558-jk-8560-jk-8560pl-spare-parts\/\">JK-8558 \/ JK-8560 \/ JK-8560PL Spare Parts<\/a><\/strong><\/li>\n<\/ul>\n<h3>Button Hole Machine<\/h3>\n<ul>\n<li><strong><a href=\"https:\/\/stitchpartner.com\/product-category\/jack-sewing-machine-spare-parts\/jk-781-jk-t781d-spare-parts\/\">JK-781 \/ JK-T781D Spare Parts<\/a><\/strong><\/li>\n<\/ul>\n<h3>Button Stitch Machine<\/h3>\n<ul>\n<li><strong><a href=\"https:\/\/stitchpartner.com\/product-category\/jack-sewing-machine-spare-parts\/jk-t9270-t9280-spare-parts\/\">JK-T9270 \/ T9280 Spare Parts<\/a><\/strong><\/li>\n<li><strong><a href=\"https:\/\/stitchpartner.com\/product-category\/jack-sewing-machine-spare-parts\/jk-t1377-372-373-spare-parts\/\">JK-T1377 \/ 372 \/ 373 Spare Parts<\/a><\/strong><\/li>\n<\/ul>\n<p>Not sure which one your machine is? The model number is stamped on the data plate, usually near the handwheel or on the machine arm \u2014 that's more reliable than going by memory or appearance, since several Jack models look similar from the outside.<\/p>\n\n<h2>Jack F4 \/ A4 \/ E4 Error Codes \u2014 What They Mean<\/h2>\n<p>Computerized Jack models display a numeric or letter error code on the control panel when something needs attention. These are the most common codes on Jack F4-series machines:<\/p>\n<ul>\n<li><strong>0F<\/strong> \u2014 The machine has gone into sleep\/standby mode after around 30 minutes of inactivity, or the input voltage is too low. Press \"+\" or \"\u2212\" to wake it; if it persists, check the power supply voltage.<\/li>\n<li><strong>E1<\/strong> \u2014 The motor plug has come loose or disconnected. Turn the machine off, reseat the motor connector firmly, and restart.<\/li>\n<li><strong>E2<\/strong> \u2014 Motor controller abnormal. Usually points to the motor controller or its wiring rather than the main motherboard; check connections before replacing a part.<\/li>\n<li><strong>E4<\/strong> \u2014 Needle position abnormal, typically a needle-position sensor or timing issue.<\/li>\n<li><strong>E5<\/strong> \u2014 Needle governor (speed sensor) abnormal.<\/li>\n<\/ul>\n<p>If an error persists after checking connections and restarting, the part to inspect is usually the motherboard PCB, the motor controller, or the relevant sensor \u2014 available in the <a href=\"https:\/\/stitchpartner.com\/product-category\/jack-sewing-machine-spare-parts\/jack-f4-f5-f6-spare-parts\/\">Jack F4\/F5\/F6 category<\/a>. Error code numbering can vary slightly between the F4, A4, and E4 (overlock) manuals, so always cross-check against your machine's specific model.<\/p>\n\n<h2>Common Jack Machine Issues and What Usually Needs Replacing<\/h2>\n<ul>\n<li><strong>Uneven stitching or fabric not feeding smoothly<\/strong> \u2014 usually a worn feed dog (\"dati\") or presser foot. These are low-cost, frequently replaced parts.<\/li>\n<li><strong>Thread breaking or loose stitches<\/strong> \u2014 check the thread tension assembly and needle plate for burrs first; a bent or wrong-type needle is another common cause.<\/li>\n<li><strong>Machine not starting or running erratically<\/strong> \u2014 on computerized F4\/F5\/F6-type models, check the error code on the display first (see above); it often points to the motherboard PCB or speed control pedal rather than the motor itself.<\/li>\n<li><strong>Bobbin winding unevenly<\/strong> \u2014 the bobbin winder assembly or its rubber wheel.<\/li>\n<li><strong>LED work light flickering or not working<\/strong> \u2014 a straightforward replacement on models with a built-in light, and worth checking before assuming a bigger electrical fault.<\/li>\n<\/ul>\n\n<h2>Is Jack a Good Sewing Machine Brand? Jack vs Juki<\/h2>\n<p>Jack (established 1995, China) and Juki (established 1938, Japan) are two of the most common industrial sewing machine brands found in Indian garment units. Juki has a longer manufacturing history and is often seen as the more established name for heavy, continuous-duty production; Jack has built its reputation more recently around energy-efficient direct-drive motors and computerized features like the F4\/F5\/F6 series at a generally more accessible price point. In practice, both brands are widely used side by side in Indian factories and tailoring shops, and the right choice usually comes down to your specific machine type, budget, and what your local mechanics are most familiar servicing. Either way, keeping genuine or well-matched compatible spare parts on hand matters more for uptime than the brand name alone.<\/p>\n\n<h2>How Much Do Jack Spare Parts Cost?<\/h2>\n<p>Pricing varies a lot by part type. Small wear parts like feed dogs and presser feet are typically in the \u20b935\u2013\u20b9150 range, needle plates and tension sets are usually mid-range, and electronic components like motherboard PCBs and control boxes cost significantly more since they're precision electronics rather than simple mechanical parts. Browse the specific model category above for exact current pricing on the part you need.<\/p>\n\n<h2>Original vs Compatible Parts<\/h2>\n<p>For everyday wear parts \u2014 presser feet, feed dogs, needle plates, bobbin winders \u2014 a well-made compatible part performs the same as original and is the more economical choice for routine maintenance. For electronic components like motherboard PCBs, sensors, and speed control pedals, matching the exact connector type and part number reduces the chance of a fitting issue, since these can vary between production revisions of the same model.<\/p>\n\n<h2>Who Buys Jack Spare Parts From Us<\/h2>\n<p>Tailors and alteration professionals, boutique owners, garment manufacturing units, sewing machine mechanics and technicians, dealers, and training institutes running Jack machines across India \u2014 whether it's a single replacement part or ongoing stock for a repair business.<\/p>\n\n<h2>Ordering Jack Spare Parts from StitchPartner<\/h2>\n<p>We deliver Jack sewing machine spare parts across India with <strong>Cash on Delivery available on eligible orders<\/strong>. If you're unsure which series or part your machine needs, send us a photo of the machine's data plate or the worn part, and our team can help confirm compatibility before you order.<\/p>\n\n<h2>Frequently Asked Questions<\/h2>\n<h3>How do I know which Jack model I have?<\/h3>\n<p>Check the data plate on your machine, usually near the handwheel or on the machine arm \u2014 it shows the exact model number. Several Jack models look visually similar, so relying on the printed model number is more reliable than appearance alone.<\/p>\n<h3>What does error E2 mean on a Jack sewing machine?<\/h3>\n<p>E2 indicates the motor controller is behaving abnormally. Check the motor controller's wiring and connections first; if the error persists after a restart, the motor controller itself may need inspection or replacement.<\/p>\n<h3>What does error E1 mean on a Jack F4?<\/h3>\n<p>E1 means the motor plug has come loose or disconnected. Turn the machine off, firmly reseat the motor connector, and restart the machine \u2014 this resolves the error in most cases.<\/p>\n<h3>Is Jack a good brand for industrial sewing machines?<\/h3>\n<p>Jack is one of the most widely used industrial sewing machine brands in Indian garment units, known particularly for energy-efficient direct-drive and computerized models. It's generally viewed as a solid, accessible option alongside brands like Juki, Brother, and Siruba \u2014 reliability in practice depends more on proper maintenance and genuine or well-matched spare parts than the brand alone.<\/p>\n<h3>How does Jack compare to Juki?<\/h3>\n<p>Juki has a longer manufacturing history (founded 1938 vs Jack's 1995) and is often preferred for heavy continuous-duty production, while Jack is known for energy-efficient motors and computerized features at a generally more accessible price point. Both are widely used in Indian factories, and the better choice depends on your specific use case and budget.<\/p>\n<h3>How much does a Jack feed dog (dati) cost?<\/h3>\n<p>Feed dogs for Jack single-needle lockstitch machines are typically in the \u20b935\u2013\u20b980 range on our site, depending on the exact model and tooth configuration. Check the category matching your machine model for current pricing.<\/p>\n<h3>Why does my Jack machine skip stitches or break thread?<\/h3>\n<p>The most common causes are a worn feed dog, a burred or damaged needle plate, an incorrect or bent needle, or incorrect thread tension. Check these in order before assuming a more serious mechanical fault.<\/p>\n<h3>Are parts interchangeable between different Jack models?<\/h3>\n<p>Some mechanical parts are shared across similar machine types, but electronic components like motherboard PCBs and control boards are typically model-specific. Always check the category that matches your exact model before ordering electronic parts.<\/p>\n<h3>Do you offer Cash on Delivery on Jack spare parts?<\/h3>\n<p>Yes, COD is available on eligible orders and locations across India, along with prepaid card and UPI payment at checkout.<\/p>\n<h3>Can I order Jack spare parts in bulk for a factory or repair shop?<\/h3>\n<p>Yes, we regularly supply garment factories, tailoring units, and repair shops with multiple spare parts per order. Contact our support team for help with larger or recurring orders.<\/p>\n<h3>What if I can't identify which part is causing the problem?<\/h3>\n<p>Describe the issue \u2014 skipped stitches, thread breaking, an error code on the display, and so on \u2014 or send a photo of the machine and the suspected part, and our team can help point you to the right component before you order.<\/p>\n","parent":0,"count":103,"filter":"raw","image":""},{"term_id":952,"name":"MOTOR SPARES","slug":"sewing-motor-and-spare-parts","term_group":0,"term_taxonomy_id":952,"taxonomy":"product_cat","description":"A sewing machine motor in India typically costs between \u20b91,199 and \u20b93,199 depending on the type \u2014 carbon\/clutch motors for domestic machines sit at the lower end, while energy-saving servo motors for industrial and semi-industrial machines cost more. StitchPartner stocks genuine replacement motors compatible with Usha, Janome, Singer, Brother, and industrial lockstitch machines, with pan-India delivery and Cash on Delivery available.\r\n<h2>Sewing Machine Motor Price in India<\/h2>\r\nSewing machine motor price mainly depends on motor type, power rating, and whether it's built for home use or continuous industrial operation. At StitchPartner, domestic carbon motor sets with a foot pedal \u2014 the standard replacement for Usha, Janome, Singer, and Brother home machines \u2014 start from around \u20b91,199 and go up to about \u20b91,650 for heavy-duty sets. Carbonless (brushless) domestic motors, which run quieter and need less maintenance, are priced around \u20b92,000. Industrial and semi-industrial servo motors, built for continuous use on lockstitch and overlock machines, range from roughly \u20b92,899 to \u20b93,199 depending on wattage and control features.\r\n\r\nThese prices reflect StitchPartner's current catalog and can change with supplier costs \u2014 check the individual product page for the latest price before ordering.\r\n<h2>Servo Motor vs Clutch (Carbon) Motor \u2014 Which Should You Buy?<\/h2>\r\nThe two main motor types differ mainly in how they run and what they cost to buy and operate. Clutch (carbon) motors spin continuously whenever the machine is switched on, and stitching speed is controlled by how firmly the clutch is engaged through the pedal \u2014 they're simple, robust, and generally the cheaper option to buy. Servo motors only run when the pedal is pressed, giving finer speed control, a quieter workshop, and lower electricity use over a full working day, which is why most professional tailoring units and factories have shifted to servo motors despite the higher upfront price.\r\n\r\nFor an occasional home user stitching a few hours a week, a carbon motor is usually enough. For a boutique or factory running machines for eight-plus hours a day, the extra cost of a servo motor is typically recovered through lower power bills and less noise fatigue within a few months.\r\n<h2>Which Motor Fits Your Sewing Machine?<\/h2>\r\nMotor compatibility depends on your machine's mounting bracket and pulley size, not just the brand name. StitchPartner's <a href=\"https:\/\/stitchpartner.com\/product\/sewing-machine-motor-usha-janome-singer-brother\/\">sewing machine motor for Usha, Janome, Singer &amp; Brother<\/a> is built for standard domestic machines from these brands. For industrial lockstitch, overlock, and interlock machines, a standard servo motor is the usual replacement. If you're not sure which motor your machine needs, confirm your machine's brand and model number with StitchPartner support before ordering so the right motor and pulley size can be matched.\r\n<h2>Signs Your Sewing Machine Motor Needs Replacing<\/h2>\r\nA motor is usually due for replacement when the machine runs unevenly despite consistent pedal pressure, makes a burning smell or grinding noise, overheats after short use, or fails to start even though the wiring and foot pedal are working. Carbon motors specifically lose power as their carbon brushes wear down \u2014 a common issue after a few years of heavy use \u2014 while servo motor faults are more often in the control board (PCB) than in the motor coil itself.\r\n<h2>Reliable Parts for Long-Term Use<\/h2>\r\nWhether you're replacing a worn component or upgrading your motor system, you'll find dependable options here. From foot pedals and pulleys to carbon brushes, control boards, and wiring, our parts help extend the life of your sewing machine without hassle.\r\n<h2>Why Buy Sewing Machine Motors from StitchPartner?<\/h2>\r\nStitchPartner supplies genuine sewing machine motors, spare parts, and accessories for both home and industrial machines across India. Orders come with pan-India delivery and Cash on Delivery on eligible orders, and GST invoicing is available for bulk and wholesale buyers such as tailoring units and garment factories.\r\n<h2>Frequently Asked Questions<\/h2>\r\n<h3>What Is the Price of a Sewing Machine Motor in India?<\/h3>\r\nSewing machine motor prices in India typically range from about \u20b91,199 for a domestic carbon motor set to around \u20b93,199 for an industrial servo motor. Basic replacement parts like a motor pulley or foot pedal switch cost much less, usually under \u20b9500, while a full motor-and-pedal set for a home machine averages \u20b91,200\u2013\u20b92,000.\r\n<h3>What's the Difference Between a Servo Motor and a Clutch Motor?<\/h3>\r\nA clutch (carbon) motor spins continuously and controls speed through pedal pressure on a clutch, while a servo motor only runs when the pedal is pressed and offers finer, quieter speed control. Servo motors cost more upfront but use less electricity over a full working day and are the standard choice in factories and busy tailoring units; clutch motors remain popular for occasional home use because they're cheaper to buy.\r\n<h3>Which Motor Is Compatible with Usha, Janome, Singer, or Brother Machines?<\/h3>\r\nStitchPartner's domestic sewing machine motor is built to fit standard Usha, Janome, Singer, and Brother home machines using the common foot-pedal-and-motor mounting used across these brands. If your machine has a non-standard mounting bracket or an older model, confirm your machine's model number with StitchPartner before ordering to avoid a mismatch.\r\n<h3>Is a Servo Motor Worth the Extra Cost Over a Carbon Motor?<\/h3>\r\nFor daily, extended use \u2014 boutiques, tailoring units, and garment factories \u2014 yes: the quieter operation, finer speed control, and lower running electricity cost usually justify the higher upfront price within months. For occasional home stitching, a carbon motor is usually the more economical choice since the machine isn't run long enough each day for the electricity savings to matter as much.\r\n<h3>Can I Replace a Sewing Machine Motor Myself?<\/h3>\r\nReplacing a sewing machine motor is a straightforward job for anyone comfortable with basic tools \u2014 it mainly involves unscrewing the old motor bracket, transferring the belt\/pulley, and reconnecting the foot pedal wiring. If you're not confident with electrical connections, it's safer to have a local sewing machine mechanic do the swap, which usually takes under 30 minutes.","parent":0,"count":36,"filter":"raw","image":""},{"term_id":1103,"name":"Sewing Machine Motherboard &amp; PCB Control Boards","slug":"sewing-machine-motherboard-and-chip","term_group":0,"term_taxonomy_id":1103,"taxonomy":"product_cat","description":"<p><strong>Sewing machine motherboard and PCB control boards for industrial machines:<\/strong> main boards for Jack, Qi Xing, Zoje, Messer and Magneto machines cost \u20b91,500 to \u20b94,650 in our live catalogue, with display panels and pedal boards from \u20b9300. Match the part number printed on your old board, then order with COD across India.<\/p>\n<h2>Sewing Machine Motherboard Price List (Live Catalogue)<\/h2>\n<p>A sewing machine motherboard, also called a PCB, control board or circuit board, runs motor speed, needle position, auto-trimming and pedal response. Price depends on the machine model, not the brand name alone. Here is the current price range by board type.<\/p>\n<table><thead><tr><th>Board type<\/th><th>What it does<\/th><th>Price range<\/th><\/tr><\/thead><tbody><tr><td>Main motherboard \/ PCB control board<\/td><td>Controls motor, needle stop, trimmer and sensors<\/td><td>\u20b91,500 \u2013 \u20b94,650<\/td><\/tr><tr><td>Universal direct drive servo control board<\/td><td>Replaces a dead servo control board on direct drive motors<\/td><td>\u20b92,500<\/td><\/tr><tr><td>Overlock control board<\/td><td>Speed and function control for overlock heads<\/td><td>\u20b93,200 (Qi Xing); \u20b9649 (GT-900D speed controller)<\/td><\/tr><tr><td>Display panel \/ LED speed panel<\/td><td>Shows speed and settings, takes your button input<\/td><td>\u20b9300 \u2013 \u20b9499<\/td><\/tr><tr><td>Pedal board and foot controller<\/td><td>Sends speed signal from the foot pedal<\/td><td>\u20b9450 \u2013 \u20b91,300<\/td><\/tr><tr><td>Connectors and voltage regulator<\/td><td>Wire connectors and small support boards<\/td><td>\u20b920 \u2013 \u20b9299<\/td><\/tr><\/tbody><\/table>\n<h2>Which Motherboard Fits Which Machine<\/h2>\n<p>Do not choose a board by how the machine looks. Choose it by the part number on your old PCB. Here are the boards we stock for common industrial machines.<\/p>\n<table><thead><tr><th>Machine \/ board<\/th><th>Part number or model<\/th><th>Price<\/th><\/tr><\/thead><tbody><tr><td><a href=\"https:\/\/stitchpartner.com\/product\/jack-a2b-pcb-19510031200\/\">Jack A2B main control board<\/a><\/td><td>19510031200<\/td><td>\u20b92,900<\/td><\/tr><tr><td><a href=\"https:\/\/stitchpartner.com\/product\/jack-a2-cz-9950014900-pcb\/\">Jack A2-CZ motherboard PCB<\/a><\/td><td>9950014900<\/td><td>\u20b93,499<\/td><\/tr><tr><td><a href=\"https:\/\/stitchpartner.com\/product\/jack-a2c-a2-cz-pcb-control-board\/\">Jack A2C \/ A2-CZ control board<\/a><\/td><td>A2C A2-CZ<\/td><td>\u20b92,900<\/td><\/tr><tr><td><a href=\"https:\/\/stitchpartner.com\/product\/jack-9100b-904a-pcb-control-board-9950017800\/\">Jack 9100B 904A control board<\/a><\/td><td>9950017800<\/td><td>\u20b93,099<\/td><\/tr><tr><td><a href=\"https:\/\/stitchpartner.com\/product\/jack-9950009500-pcb-control-board-9100bs-9100bp\/\">Jack JK-9100BS \/ 9100BP control board<\/a><\/td><td>9950009500<\/td><td>\u20b92,999<\/td><\/tr><tr><td><a href=\"https:\/\/stitchpartner.com\/product\/jack-781g-main-pcb-control-board-19950020300\/\">Jack 781G main control board<\/a><\/td><td>19950020300<\/td><td>\u20b94,650<\/td><\/tr><tr><td><a href=\"https:\/\/stitchpartner.com\/product\/qd8633-qi-xing-sewing-machine-control-board\/\">Qi Xing control board<\/a><\/td><td>QD8633<\/td><td>\u20b93,100<\/td><\/tr><tr><td><a href=\"https:\/\/stitchpartner.com\/product\/qd8626-qi-xing-control-board\/\">Qi Xing control board<\/a><\/td><td>QD8626<\/td><td>\u20b93,200<\/td><\/tr><tr><td><a href=\"https:\/\/stitchpartner.com\/product\/8623-qi-xing-control-board-zoje-sewing-machine\/\">Qi Xing control board for Zoje machines<\/a><\/td><td>QD8623<\/td><td>\u20b93,200<\/td><\/tr><tr><td><a href=\"https:\/\/stitchpartner.com\/product\/qixing-mother-board-model-c\/\">Tova TTM Messer servo motor motherboard<\/a><\/td><td>TTM<\/td><td>\u20b91,799<\/td><\/tr><tr><td><a href=\"https:\/\/stitchpartner.com\/product\/c3-sewing-machine-circuit-board\/\">C3 motherboard<\/a><\/td><td>C3<\/td><td>\u20b92,500<\/td><\/tr><tr><td><a href=\"https:\/\/stitchpartner.com\/product\/magneto-motherboard-for-single-needle-sewing-machine\/\">Magneto motherboard, single needle<\/a><\/td><td>Magneto<\/td><td>\u20b92,500<\/td><\/tr><tr><td><a href=\"https:\/\/stitchpartner.com\/product\/esda-servo-motor-pcb-control-board-sewing-machine\/\">ESDA servo motor PCB control board<\/a><\/td><td>ESDA<\/td><td>\u20b91,500<\/td><\/tr><\/tbody><\/table>\n<h2>How to Choose the Right PCB for Your Machine<\/h2>\n<h3>1. Read the part number on the old board<\/h3>\n<p>Unplug the machine, open the control box and read the number printed on the green board. Order that exact number. For Jack machines you can also check our <a href=\"https:\/\/stitchpartner.com\/jack-sewing-machine-part-numbers\/\">Jack sewing machine part numbers lookup<\/a>.<\/p>\n<h3>2. Check the generation of the board<\/h3>\n<p>Some machines have an old type and a new type of the same board, for example on the Jack F4 line. Their connectors and firmware can differ, so match the type, not just the model name.<\/p>\n<h3>3. Compare connectors and voltage<\/h3>\n<p>Count the connector sockets and compare their layout with the old board. A board can physically fit and still lose trimmer, foot lifter or display functions if pins are missing.<\/p>\n<h3>4. Send us a photo before you order<\/h3>\n<p>If you are not sure, send a photo of the old PCB and the machine model. We check the match first, so you do not pay for a board that will not work.<\/p>\n<h2>Motherboard, PCB, Control Board and Control Box: What Is the Difference?<\/h2>\n<p>Buyers use these words for the same part, but a control box is the casing that holds the PCB, the power supply and the connectors. A motherboard replacement is only the board inside. If your control box is damaged or burnt, ask us whether you need the board alone or the full box such as the <a href=\"https:\/\/stitchpartner.com\/product\/direct-drive-servo-motor-control-board\/\">direct drive servo control board<\/a>.<\/p>\n<h2>Signs Your Sewing Machine PCB Has Failed<\/h2>\n<p>A failing board usually shows erratic motor speed, no reaction to the foot pedal, a frozen or blank display, or no power despite a good socket. Before you buy, rule out a loose pedal wire or a faulty motor. Our guides on <a href=\"https:\/\/stitchpartner.com\/sewing-machine-servo-motor-problems-error-codes-troubleshooting\/\">servo motor problems and error codes<\/a> and <a href=\"https:\/\/stitchpartner.com\/jack-sewing-machine-error-codes-all-models\/\">Jack error codes for all models<\/a> help you tell a board fault from a motor fault.<\/p>\n<h2>Sewing Machine Motherboard FAQ<\/h2>\n<h3>What is the price of a sewing machine motherboard in India?<\/h3>\n<p>Main PCB control boards in our catalogue cost between \u20b91,500 and \u20b94,650, depending on the machine. Jack A2B is \u20b92,900, Jack 781G is \u20b94,650 and Qi Xing QD8633 is \u20b93,100. Display panels and pedal boards cost less, from \u20b9300. Prices on this page are live catalogue prices and COD is available.<\/p>\n<h3>How do I know which PCB fits my sewing machine?<\/h3>\n<p>Match the part number printed on your old board, not the machine's looks. Then compare the connector layout and the voltage rating, and check whether your board is an old or new type. Our stock list above shows the part number for each board, so you can compare it before ordering.<\/p>\n<h3>Can I use a universal or generic PCB instead of the original?<\/h3>\n<p>A universal board works only where its connector layout and functions match your machine, for example the direct drive servo control board for servo motors. For machines with auto trim and sensors, a model-specific board is safer, because a generic board may not drive every function.<\/p>\n<h3>How do I know if the PCB is faulty and not the motor?<\/h3>\n<p>If the motor runs only at full speed, stops at random, or ignores the pedal while the pedal and wires are good, the board is the usual cause. If the machine has no power at all, check the plug, fuse and power cable first. When in doubt, send us the symptoms and the machine model.<\/p>\n<h3>Are Jack A2B and Jack A2C PCBs the same?<\/h3>\n<p>No, treat them as different boards. Jack A2B uses part number 19510031200, while the A2-CZ board uses 9950014900. Both are in stock here, so compare the number on your old board before you order. Do not swap them just because both belong to the A2 range.<\/p>\n<h3>Do you deliver sewing machine motherboards across India with COD?<\/h3>\n<p>Yes, we ship pan-India and COD is available on these boards. Check the product page for the live price and stock status before you place the order, since stock changes through the day.<\/p>","parent":0,"count":39,"filter":"raw","image":""}],"product_tag":[{"term_id":3282,"name":"904A PCB","slug":"904a-pcb","term_group":0,"term_taxonomy_id":3282,"taxonomy":"product_tag","description":"","parent":0,"count":1,"filter":"raw","image":""},{"term_id":3283,"name":"9950017800 PCB","slug":"9950017800-pcb","term_group":0,"term_taxonomy_id":3283,"taxonomy":"product_tag","description":"","parent":0,"count":1,"filter":"raw","image":""},{"term_id":3152,"name":"direct drive PCB","slug":"direct-drive-pcb","term_group":0,"term_taxonomy_id":3152,"taxonomy":"product_tag","description":"","parent":0,"count":4,"filter":"raw","image":""},{"term_id":976,"name":"Industrial Sewing Machine Parts","slug":"industrial-sewing-machine-parts","term_group":0,"term_taxonomy_id":976,"taxonomy":"product_tag","description":"","parent":0,"count":46,"filter":"raw","image":""},{"term_id":3281,"name":"Jack 9100B PCB","slug":"jack-9100b-pcb","term_group":0,"term_taxonomy_id":3281,"taxonomy":"product_tag","description":"","parent":0,"count":1,"filter":"raw","image":""},{"term_id":3284,"name":"Jack control board","slug":"jack-control-board","term_group":0,"term_taxonomy_id":3284,"taxonomy":"product_tag","description":"","parent":0,"count":3,"filter":"raw","image":""},{"term_id":3285,"name":"Jack JK-9100B parts","slug":"jack-jk-9100b-parts","term_group":0,"term_taxonomy_id":3285,"taxonomy":"product_tag","description":"","parent":0,"count":1,"filter":"raw","image":""},{"term_id":3287,"name":"Jack JK-9100BP parts","slug":"jack-jk-9100bp-parts","term_group":0,"term_taxonomy_id":3287,"taxonomy":"product_tag","description":"","parent":0,"count":1,"filter":"raw","image":""},{"term_id":3286,"name":"Jack JK-9100BS parts","slug":"jack-jk-9100bs-parts","term_group":0,"term_taxonomy_id":3286,"taxonomy":"product_tag","description":"","parent":0,"count":1,"filter":"raw","image":""},{"term_id":2126,"name":"jack sewing machine spare parts","slug":"jack-sewing-machine-spare-parts","term_group":0,"term_taxonomy_id":2126,"taxonomy":"product_tag","description":"","parent":0,"count":4,"filter":"raw","image":""},{"term_id":3271,"name":"lockstitch machine PCB","slug":"lockstitch-machine-pcb","term_group":0,"term_taxonomy_id":3271,"taxonomy":"product_tag","description":"","parent":0,"count":6,"filter":"raw","image":""},{"term_id":3289,"name":"PCB replacement","slug":"pcb-replacement","term_group":0,"term_taxonomy_id":3289,"taxonomy":"product_tag","description":"","parent":0,"count":3,"filter":"raw","image":""},{"term_id":3130,"name":"sewing machine control board","slug":"sewing-machine-control-board","term_group":0,"term_taxonomy_id":3130,"taxonomy":"product_tag","description":"","parent":0,"count":11,"filter":"raw","image":""},{"term_id":3288,"name":"sewing machine electronics","slug":"sewing-machine-electronics","term_group":0,"term_taxonomy_id":3288,"taxonomy":"product_tag","description":"","parent":0,"count":2,"filter":"raw","image":""}]},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Jack 9100B 904A PCB Control Board 9950017800 - Stitch Partner<\/title>\n<meta name=\"description\" content=\"Buy Jack 9100B 904A PCB Control Board 9950017800 for compatible JK-9100B, JK-9100BS and JK-9100BP direct-drive lockstitch machines. 1 piece.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/stitchpartner.com\/hi\/product\/jack-9100b-904a-pcb-control-board-9950017800\/\" \/>\n<meta property=\"og:locale\" content=\"hi_IN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Jack 9100B 904A PCB Control Board 9950017800 - Stitch Partner\" \/>\n<meta property=\"og:description\" content=\"Buy Jack 9100B 904A PCB Control Board 9950017800 for compatible JK-9100B, JK-9100BS and JK-9100BP direct-drive lockstitch machines. 1 piece.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/stitchpartner.com\/hi\/product\/jack-9100b-904a-pcb-control-board-9950017800\/\" \/>\n<meta property=\"og:site_name\" content=\"Stitch Partner\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/467613100111433\" \/>\n<meta property=\"article:modified_time\" content=\"2026-09-10T12:08:21+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/stitchpartner.com\/wp-content\/uploads\/2026\/09\/jack-9100b-904a-pcb-control-board-9950017800.jpg.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1040\" \/>\n\t<meta property=\"og:image:height\" content=\"1040\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u0905\u0928\u0941\u092e\u093e\u0928\u093f\u0924 \u092a\u0922\u093c\u0928\u0947 \u0915\u093e \u0938\u092e\u092f\" \/>\n\t<meta name=\"twitter:data1\" content=\"4 \u092e\u093f\u0928\u091f\" \/>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Jack 9100B 904A PCB Control Board 9950017800 - Stitch Partner","description":"Buy Jack 9100B 904A PCB Control Board 9950017800 for compatible JK-9100B, JK-9100BS and JK-9100BP direct-drive lockstitch machines. 1 piece.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/stitchpartner.com\/hi\/product\/jack-9100b-904a-pcb-control-board-9950017800\/","og_locale":"hi_IN","og_type":"article","og_title":"Jack 9100B 904A PCB Control Board 9950017800 - Stitch Partner","og_description":"Buy Jack 9100B 904A PCB Control Board 9950017800 for compatible JK-9100B, JK-9100BS and JK-9100BP direct-drive lockstitch machines. 1 piece.","og_url":"https:\/\/stitchpartner.com\/hi\/product\/jack-9100b-904a-pcb-control-board-9950017800\/","og_site_name":"Stitch Partner","article_publisher":"https:\/\/www.facebook.com\/467613100111433","article_modified_time":"2026-09-10T12:08:21+00:00","og_image":[{"width":1040,"height":1040,"url":"https:\/\/stitchpartner.com\/wp-content\/uploads\/2026\/09\/jack-9100b-904a-pcb-control-board-9950017800.jpg.jpg","type":"image\/jpeg"}],"twitter_card":"summary_large_image","twitter_misc":{"\u0905\u0928\u0941\u092e\u093e\u0928\u093f\u0924 \u092a\u0922\u093c\u0928\u0947 \u0915\u093e \u0938\u092e\u092f":"4 \u092e\u093f\u0928\u091f"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/stitchpartner.com\/product\/jack-9100b-904a-pcb-control-board-9950017800\/","url":"https:\/\/stitchpartner.com\/product\/jack-9100b-904a-pcb-control-board-9950017800\/","name":"Jack 9100B 904A PCB Control Board 9950017800 - Stitch Partner","isPartOf":{"@id":"https:\/\/stitchpartner.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/stitchpartner.com\/product\/jack-9100b-904a-pcb-control-board-9950017800\/#primaryimage"},"image":{"@id":"https:\/\/stitchpartner.com\/product\/jack-9100b-904a-pcb-control-board-9950017800\/#primaryimage"},"thumbnailUrl":"https:\/\/i0.wp.com\/stitchpartner.com\/wp-content\/uploads\/2026\/09\/jack-9100b-904a-pcb-control-board-9950017800.jpg.jpg?fit=1040%2C1040&ssl=1","datePublished":"2026-09-03T10:58:46+00:00","dateModified":"2026-09-10T12:08:21+00:00","description":"Buy Jack 9100B 904A PCB Control Board 9950017800 for compatible JK-9100B, JK-9100BS and JK-9100BP direct-drive lockstitch machines. 1 piece.","breadcrumb":{"@id":"https:\/\/stitchpartner.com\/product\/jack-9100b-904a-pcb-control-board-9950017800\/#breadcrumb"},"inLanguage":"hi-IN","potentialAction":[{"@type":"ReadAction","target":["https:\/\/stitchpartner.com\/product\/jack-9100b-904a-pcb-control-board-9950017800\/"]}]},{"@type":"ImageObject","inLanguage":"hi-IN","@id":"https:\/\/stitchpartner.com\/product\/jack-9100b-904a-pcb-control-board-9950017800\/#primaryimage","url":"https:\/\/i0.wp.com\/stitchpartner.com\/wp-content\/uploads\/2026\/09\/jack-9100b-904a-pcb-control-board-9950017800.jpg.jpg?fit=1040%2C1040&ssl=1","contentUrl":"https:\/\/i0.wp.com\/stitchpartner.com\/wp-content\/uploads\/2026\/09\/jack-9100b-904a-pcb-control-board-9950017800.jpg.jpg?fit=1040%2C1040&ssl=1","width":1040,"height":1040,"caption":"Jack 9100B 904A PCB control board part 9950017800"},{"@type":"BreadcrumbList","@id":"https:\/\/stitchpartner.com\/product\/jack-9100b-904a-pcb-control-board-9950017800\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/stitchpartner.com\/"},{"@type":"ListItem","position":2,"name":"Shop","item":"https:\/\/stitchpartner.com\/shop\/"},{"@type":"ListItem","position":3,"name":"Jack 9100B 904A PCB Control Board 9950017800"}]},{"@type":"WebSite","@id":"https:\/\/stitchpartner.com\/#website","url":"https:\/\/stitchpartner.com\/","name":"\u0938\u094d\u091f\u093f\u091a \u092a\u093e\u0930\u094d\u091f\u0928\u0930","description":"JACK SEWING MACHINE SPARE PARTS","publisher":{"@id":"https:\/\/stitchpartner.com\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/stitchpartner.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"hi-IN"},{"@type":"Organization","@id":"https:\/\/stitchpartner.com\/#organization","name":"\u0938\u094d\u091f\u093f\u091a \u092a\u093e\u0930\u094d\u091f\u0928\u0930","url":"https:\/\/stitchpartner.com\/","logo":{"@type":"ImageObject","inLanguage":"hi-IN","@id":"https:\/\/stitchpartner.com\/#\/schema\/logo\/image\/","url":"https:\/\/stitchpartner.com\/wp-content\/uploads\/2025\/01\/stitchpartnerfinal-pg3-1000-x-285-px.svg","contentUrl":"https:\/\/stitchpartner.com\/wp-content\/uploads\/2025\/01\/stitchpartnerfinal-pg3-1000-x-285-px.svg","width":750,"height":213,"caption":"Stitch Partner"},"image":{"@id":"https:\/\/stitchpartner.com\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/467613100111433","https:\/\/youtube.com\/@stitch.partner","https:\/\/whatsapp.com\/channel\/0029Vb8jjZQDOQIeiYI6gB1k"]}]}},"jetpack_likes_enabled":true,"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/stitchpartner.com\/hi\/wp-json\/wp\/v2\/product\/31435","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/stitchpartner.com\/hi\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/stitchpartner.com\/hi\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/stitchpartner.com\/hi\/wp-json\/wp\/v2\/comments?post=31435"}],"version-history":[{"count":3,"href":"https:\/\/stitchpartner.com\/hi\/wp-json\/wp\/v2\/product\/31435\/revisions"}],"predecessor-version":[{"id":31451,"href":"https:\/\/stitchpartner.com\/hi\/wp-json\/wp\/v2\/product\/31435\/revisions\/31451"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/stitchpartner.com\/hi\/wp-json\/wp\/v2\/media\/31473"}],"wp:attachment":[{"href":"https:\/\/stitchpartner.com\/hi\/wp-json\/wp\/v2\/media?parent=31435"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/stitchpartner.com\/hi\/wp-json\/wp\/v2\/product_brand?post=31435"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/stitchpartner.com\/hi\/wp-json\/wp\/v2\/product_cat?post=31435"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/stitchpartner.com\/hi\/wp-json\/wp\/v2\/product_tag?post=31435"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}