{"id":856698,"date":"2026-09-25T17:57:51","date_gmt":"2026-09-25T12:27:51","guid":{"rendered":"https:\/\/stitchpartner.com\/?post_type=product&#038;p=856698"},"modified":"2026-09-25T18:20:33","modified_gmt":"2026-09-25T12:50:33","slug":"jack-a2-cz-9950014900-pcb","status":"publish","type":"product","link":"https:\/\/stitchpartner.com\/hi\/product\/jack-a2-cz-9950014900-pcb\/","title":{"rendered":"Jack A2-CZ 9950014900 Motherboard PCB"},"content":{"rendered":"<p class=\"PDq2pG_selectionAnchorContainer\" dir=\"auto\" data-start=\"597\" data-end=\"1001\">The <strong data-start=\"601\" data-end=\"642\">Jack A2-CZ 9950014900 motherboard PCB<\/strong> is a replacement main control board for compatible <strong data-start=\"694\" data-end=\"766\">Jack A2-series direct-drive single-needle lockstitch sewing machines<\/strong>. Current spare-parts references identify <strong data-start=\"808\" data-end=\"862\">9950014900 as the PCB control board for Jack A2-CZ<\/strong>, while Jack parts listings also associate the number with the A2C\/A2-CZ control-board configuration.<\/p>\n<p dir=\"auto\" data-start=\"1003\" data-end=\"1267\">This PCB serves as the electronic control centre of the compatible machine. Depending on the machine configuration, it coordinates signals between the direct-drive motor, operation controls, sensors, needle-position system and automatic thread-trimming components.<\/p>\n<p dir=\"auto\" data-start=\"1269\" data-end=\"1567\">The most important point when replacing this type of board is <strong data-start=\"1331\" data-end=\"1365\">matching the exact PCB version<\/strong>. Jack A2 machines can use different control-board generations. For example, current parts references list <strong data-start=\"1472\" data-end=\"1495\">19510031200 for A2B<\/strong> \u0914\u0930 <strong data-start=\"1500\" data-end=\"1528\">9950014900 for A2C\/A2-CZ<\/strong>.<\/p>\n<p dir=\"auto\" data-start=\"1569\" data-end=\"1653\">Therefore, check your existing PCB number and connector arrangement before ordering.<\/p>\n<h2 dir=\"auto\" data-section-id=\"1ma7m6t\" data-start=\"1655\" data-end=\"1670\">\u092a\u094d\u0930\u092e\u0941\u0916 \u0935\u093f\u0936\u0947\u0937\u0924\u093e\u0910\u0902<\/h2>\n<ul data-start=\"1672\" data-end=\"2016\">\n<li data-section-id=\"kxy8mn\" data-start=\"1672\" data-end=\"1701\"><strong data-start=\"1674\" data-end=\"1690\">Part Number:<\/strong> 9950014900<\/li>\n<li data-section-id=\"1i7ibu5\" data-start=\"1702\" data-end=\"1736\"><strong data-start=\"1704\" data-end=\"1717\">PCB Type:<\/strong> Main control board<\/li>\n<li data-section-id=\"1ecjt2d\" data-start=\"1737\" data-end=\"1802\"><strong data-start=\"1739\" data-end=\"1763\">Primary Application:<\/strong> Jack A2-CZ \/ A2C direct-drive machines<\/li>\n<li data-section-id=\"1lh264p\" data-start=\"1803\" data-end=\"1856\"><strong data-start=\"1805\" data-end=\"1822\">Machine Type:<\/strong> \u0938\u093f\u0902\u0917\u0932 \u0928\u0940\u0921\u0932 \u0932\u0949\u0915 \u0938\u094d\u091f\u093f\u091a \u092e\u0936\u0940\u0928<\/li>\n<li data-section-id=\"1hmsh0o\" data-start=\"1857\" data-end=\"1902\"><strong data-start=\"1859\" data-end=\"1875\">Application:<\/strong> Electronic machine control<\/li>\n<li data-section-id=\"z7x89n\" data-start=\"1903\" data-end=\"1931\"><strong data-start=\"1905\" data-end=\"1923\">\u092a\u0948\u0915 \u092e\u093e\u0924\u094d\u0930\u093e:<\/strong> 1 \u091f\u0941\u0915\u0921\u093c\u093e<\/li>\n<li data-section-id=\"1jtjq7u\" data-start=\"1932\" data-end=\"2016\"><strong data-start=\"1934\" data-end=\"1954\">Replacement Use:<\/strong> Suitable for compatible PCB replacement and machine servicing<\/li>\n<\/ul>\n<p dir=\"auto\" data-start=\"2018\" data-end=\"2333\">The board is designed for machines using the corresponding <strong data-start=\"2077\" data-end=\"2105\">9950014900 configuration<\/strong>. A current Jack parts catalogue also lists <strong data-start=\"2149\" data-end=\"2178\">Jack PCB A2-CZ 9950014900<\/strong>, while another Indian spare-parts supplier identifies it as a Jack CZ PCB for the A2 single-needle lockstitch model.<\/p>\n<h2 dir=\"auto\" data-section-id=\"d8du3q\" data-start=\"2335\" data-end=\"2373\">Jack A2-CZ 9950014900 Compatibility<\/h2>\n<p dir=\"auto\" data-start=\"2375\" data-end=\"2444\">The strongest available evidence supports the following applications:<\/p>\n<ul data-start=\"2446\" data-end=\"2565\">\n<li data-section-id=\"16g1djz\" data-start=\"2446\" data-end=\"2464\"><strong data-start=\"2448\" data-end=\"2462\">Jack A2-CZ<\/strong> \u2713<\/li>\n<li data-section-id=\"s0q9mw\" data-start=\"2465\" data-end=\"2481\"><strong data-start=\"2467\" data-end=\"2479\">\u091c\u0948\u0915 \u090f2\u0938\u0940<\/strong> \u2713<\/li>\n<li data-section-id=\"1yda6fn\" data-start=\"2482\" data-end=\"2565\"><strong data-start=\"2484\" data-end=\"2502\">Jack A2 Series<\/strong> \u2014 only where the machine uses the 9950014900 PCB configuration<\/li>\n<\/ul>\n<p dir=\"auto\" data-start=\"2567\" data-end=\"2824\">Some current product references also associate the board with <strong data-start=\"2629\" data-end=\"2661\">A2-CQ and A2S configurations<\/strong>, but these should be verified against the original PCB before purchase because A2-series electronic configurations can vary.<\/p>\n<p dir=\"auto\" data-start=\"2826\" data-end=\"2938\"><strong data-start=\"2826\" data-end=\"2938\">Please verify the PCB model, part number and connector arrangement of your existing board before purchasing.<\/strong><\/p>\n<h2 dir=\"auto\" data-section-id=\"1xv9go6\" data-start=\"2940\" data-end=\"2980\">What Does the Jack A2-CZ PCB Control?<\/h2>\n<p dir=\"auto\" data-start=\"2982\" data-end=\"3077\">The main PCB works as the central electronic control board inside the machine&#8217;s control system.<\/p>\n<p dir=\"auto\" data-start=\"3079\" data-end=\"3155\">Depending on the machine configuration, it can coordinate functions such as:<\/p>\n<ul data-start=\"3157\" data-end=\"3382\">\n<li data-section-id=\"1soghmw\" data-start=\"3157\" data-end=\"3185\">Direct-drive motor control<\/li>\n<li data-section-id=\"158urts\" data-start=\"3186\" data-end=\"3209\">Sewing-speed response<\/li>\n<li data-section-id=\"rqz2oi\" data-start=\"3210\" data-end=\"3235\">Needle-position signals<\/li>\n<li data-section-id=\"67utec\" data-start=\"3236\" data-end=\"3263\">Automatic thread trimming<\/li>\n<li data-section-id=\"nitxkt\" data-start=\"3264\" data-end=\"3282\">Foot-pedal input<\/li>\n<li data-section-id=\"nualbn\" data-start=\"3283\" data-end=\"3299\">Sensor signals<\/li>\n<li data-section-id=\"12ybn8i\" data-start=\"3300\" data-end=\"3328\">Solenoid-related functions<\/li>\n<li data-section-id=\"1hxycwb\" data-start=\"3329\" data-end=\"3382\">Communication with the machine&#8217;s operating controls<\/li>\n<\/ul>\n<p dir=\"auto\" data-start=\"3384\" data-end=\"3474\">These functions work together to control the machine&#8217;s electronic operation during sewing.<\/p>\n<p dir=\"auto\" data-start=\"3476\" data-end=\"3645\">However, the exact functions depend on the machine revision and connected components. Therefore, the PCB should always be matched with the correct machine configuration.<\/p>\n<h2 dir=\"auto\" data-section-id=\"1jg49zb\" data-start=\"3647\" data-end=\"3666\">A2-CZ vs A2B PCB<\/h2>\n<p dir=\"auto\" data-start=\"3668\" data-end=\"3725\">This is an important point when purchasing a replacement.<\/p>\n<p dir=\"auto\" data-start=\"3727\" data-end=\"3816\">Jack A2 machines can use different PCB generations. Current parts information identifies:<\/p>\n<div class=\"group TyagGW_tableContainer TyagGW_tableContainerWithTableOfContents\" dir=\"auto\">\n<div class=\"TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\">\n<table class=\"w-fit min-w-(--thread-content-width)\" dir=\"auto\" data-start=\"3818\" data-end=\"3926\">\n<thead data-start=\"3818\" data-end=\"3839\">\n<tr data-start=\"3818\" data-end=\"3839\">\n<th class=\"last:pe-10\" data-start=\"3818\" data-end=\"3824\" data-col-size=\"sm\">PCB<\/th>\n<th class=\"last:pe-10\" data-start=\"3824\" data-end=\"3839\" data-col-size=\"sm\">Part Number<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"3850\" data-end=\"3926\">\n<tr data-start=\"3850\" data-end=\"3884\">\n<td data-start=\"3850\" data-end=\"3865\" data-col-size=\"sm\"><strong data-start=\"3852\" data-end=\"3864\">\u091c\u0948\u0915 \u090f2\u092c\u0940<\/strong><\/td>\n<td data-start=\"3865\" data-end=\"3884\" data-col-size=\"sm\"><strong data-start=\"3867\" data-end=\"3882\">19510031200<\/strong><\/td>\n<\/tr>\n<tr data-start=\"3885\" data-end=\"3926\">\n<td data-start=\"3885\" data-end=\"3908\" data-col-size=\"sm\"><strong data-start=\"3887\" data-end=\"3907\">Jack A2C \/ A2-CZ<\/strong><\/td>\n<td data-start=\"3908\" data-end=\"3926\" data-col-size=\"sm\"><strong data-start=\"3910\" data-end=\"3924\">9950014900<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p dir=\"auto\" data-start=\"3967\" data-end=\"4104\">Although both boards perform main-control functions, you should <strong data-start=\"4031\" data-end=\"4103\">not assume that an A2B board can directly replace an A2C\/A2-CZ board<\/strong>.<\/p>\n<p dir=\"auto\" data-start=\"4106\" data-end=\"4131\">Before ordering, compare:<\/p>\n<ul data-start=\"4133\" data-end=\"4236\">\n<li data-section-id=\"hv2enh\" data-start=\"4133\" data-end=\"4150\">PCB part number<\/li>\n<li data-section-id=\"8jzcb8\" data-start=\"4151\" data-end=\"4164\">Board label<\/li>\n<li data-section-id=\"1dw4cs5\" data-start=\"4165\" data-end=\"4188\">Connector arrangement<\/li>\n<li data-section-id=\"6dzpky\" data-start=\"4189\" data-end=\"4204\">\u092e\u0936\u0940\u0928 \u092e\u0949\u0921\u0932<\/li>\n<li data-section-id=\"77s8af\" data-start=\"4205\" data-end=\"4222\">Existing wiring<\/li>\n<li data-section-id=\"af5exv\" data-start=\"4223\" data-end=\"4236\">PCB version<\/li>\n<\/ul>\n<p dir=\"auto\" data-start=\"4238\" data-end=\"4306\">This simple check can help prevent ordering the wrong control board.<\/p>\n<h2 dir=\"auto\" data-section-id=\"1hql1kw\" data-start=\"4308\" data-end=\"4343\">When Should You Replace the PCB?<\/h2>\n<p dir=\"auto\" data-start=\"4345\" data-end=\"4487\">A replacement motherboard may be required when the original board has been diagnosed as faulty or has suffered component or electrical damage.<\/p>\n<p dir=\"auto\" data-start=\"4489\" data-end=\"4519\">Possible symptoms can include:<\/p>\n<ul data-start=\"4521\" data-end=\"4727\">\n<li data-section-id=\"74itcs\" data-start=\"4521\" data-end=\"4545\">Motor control problems<\/li>\n<li data-section-id=\"el3d8o\" data-start=\"4546\" data-end=\"4575\">Machine control malfunction<\/li>\n<li data-section-id=\"r72q5s\" data-start=\"4576\" data-end=\"4618\">Automatic thread trimming not responding<\/li>\n<li data-section-id=\"bq2rmv\" data-start=\"4619\" data-end=\"4648\">Needle-positioning problems<\/li>\n<li data-section-id=\"m8l13y\" data-start=\"4649\" data-end=\"4685\">Control-panel communication issues<\/li>\n<li data-section-id=\"1vaco1o\" data-start=\"4686\" data-end=\"4706\">Visible PCB damage<\/li>\n<li data-section-id=\"1mih9w7\" data-start=\"4707\" data-end=\"4727\">Damaged connectors<\/li>\n<\/ul>\n<p dir=\"auto\" data-start=\"4729\" data-end=\"4913\">However, these symptoms do not automatically mean that the motherboard has failed. Wiring, sensors, pedals, motor components and other electronic parts can also cause similar problems.<\/p>\n<p dir=\"auto\" data-start=\"4915\" data-end=\"4972\">Therefore, diagnose the machine before replacing the PCB.<\/p>\n<h2 dir=\"auto\" data-section-id=\"c69qv5\" data-start=\"4974\" data-end=\"5012\">Important Compatibility Information<\/h2>\n<p dir=\"auto\" data-start=\"5014\" data-end=\"5081\">Do not select this PCB only because you have a <strong data-start=\"5061\" data-end=\"5072\">\u091c\u0948\u0915 \u090f2<\/strong> machine.<\/p>\n<p dir=\"auto\" data-start=\"5083\" data-end=\"5232\">Instead, check the number printed directly on your existing board. The <strong data-start=\"5154\" data-end=\"5168\">9950014900<\/strong> reference is the key identification point for this replacement.<\/p>\n<p dir=\"auto\" data-start=\"5234\" data-end=\"5287\">Also, check the connector layout before installation.<\/p>\n<p dir=\"auto\" data-start=\"5289\" data-end=\"5492\">If your existing PCB has a different part number, such as <strong data-start=\"5347\" data-end=\"5362\">19510031200<\/strong>, please verify the correct board rather than assuming the two versions are interchangeable.<\/p>\n<p dir=\"auto\" data-start=\"5494\" data-end=\"5602\"><strong data-start=\"5494\" data-end=\"5602\">Please verify the shape, part number and connector configuration of your existing PCB before purchasing.<\/strong><\/p>\n<h3 dir=\"auto\" data-section-id=\"1bd7otq\" data-start=\"5604\" data-end=\"5638\">Related StitchPartner Products<\/h3>\n<p dir=\"auto\" data-start=\"5640\" data-end=\"5811\">For additional machine electronics, browse <strong data-start=\"5683\" data-end=\"5810\"><a class=\"decorated-link\" href=\"https:\/\/stitchpartner.com\/hi\/product-category\/sewing-machine-motherboard-and-chip\/?utm_source=chatgpt.com\" target=\"_new\" rel=\"noopener\" data-start=\"5685\" data-end=\"5808\">sewing machine motherboard and PCB parts<\/a><\/strong>.<\/p>\n<p dir=\"auto\" data-start=\"5813\" data-end=\"5945\">You can also explore <strong data-start=\"5834\" data-end=\"5910\"><a class=\"decorated-link\" href=\"https:\/\/stitchpartner.com\/hi\/shop\/\" target=\"_new\" rel=\"noopener\" data-start=\"5836\" data-end=\"5908\">industrial sewing machine spare parts<\/a><\/strong> for other Jack machine components.<\/p>\n<h1 dir=\"auto\" data-section-id=\"eliaz2\" data-start=\"5947\" data-end=\"5979\">\u00a0MACHINE COMPATIBILITY TABLE<\/h1>\n<div class=\"group TyagGW_tableContainer TyagGW_tableContainerWithTableOfContents\" dir=\"auto\">\n<div class=\"TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\">\n<table class=\"w-fit min-w-(--thread-content-width)\" dir=\"auto\" data-start=\"5981\" data-end=\"6466\">\n<thead data-start=\"5981\" data-end=\"6028\">\n<tr data-start=\"5981\" data-end=\"6028\">\n<th class=\"last:pe-10\" data-start=\"5981\" data-end=\"6011\" data-col-size=\"sm\">Machine \/ PCB Configuration<\/th>\n<th class=\"last:pe-10\" data-start=\"6011\" data-end=\"6028\" data-col-size=\"md\">\u0905\u0928\u0941\u0915\u0942\u0932\u0924\u093e<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"6039\" data-end=\"6466\">\n<tr data-start=\"6039\" data-end=\"6090\">\n<td data-start=\"6039\" data-end=\"6056\" data-col-size=\"sm\"><strong data-start=\"6041\" data-end=\"6055\">Jack A2-CZ<\/strong><\/td>\n<td data-start=\"6056\" data-end=\"6090\" data-col-size=\"md\">\u2713 Confirmed by part references<\/td>\n<\/tr>\n<tr data-start=\"6091\" data-end=\"6146\">\n<td data-start=\"6091\" data-end=\"6106\" data-col-size=\"sm\"><strong data-start=\"6093\" data-end=\"6105\">\u091c\u0948\u0915 \u090f2\u0938\u0940<\/strong><\/td>\n<td data-start=\"6106\" data-end=\"6146\" data-col-size=\"md\">\u2713 Confirmed by current parts listing<\/td>\n<\/tr>\n<tr data-start=\"6147\" data-end=\"6204\">\n<td data-start=\"6147\" data-end=\"6164\" data-col-size=\"sm\">Jack A2 Series<\/td>\n<td data-start=\"6164\" data-end=\"6204\" data-col-size=\"md\">\u2713 Only with 9950014900 configuration<\/td>\n<\/tr>\n<tr data-start=\"6205\" data-end=\"6242\">\n<td data-start=\"6205\" data-end=\"6218\" data-col-size=\"sm\">Jack A2-CQ<\/td>\n<td data-start=\"6218\" data-end=\"6242\" data-col-size=\"md\">\u26a0 Verify PCB version<\/td>\n<\/tr>\n<tr data-start=\"6243\" data-end=\"6278\">\n<td data-start=\"6243\" data-end=\"6254\" data-col-size=\"sm\">Jack A2S<\/td>\n<td data-start=\"6254\" data-end=\"6278\" data-col-size=\"md\">\u26a0 Verify PCB version<\/td>\n<\/tr>\n<tr data-start=\"6279\" data-end=\"6349\">\n<td data-start=\"6279\" data-end=\"6290\" data-col-size=\"sm\">\u091c\u0948\u0915 \u090f2\u092c\u0940<\/td>\n<td data-start=\"6290\" data-end=\"6349\" data-col-size=\"md\">\u274c Do not assume compatibility \u2014 different PCB reference<\/td>\n<\/tr>\n<tr data-start=\"6350\" data-end=\"6412\">\n<td data-start=\"6350\" data-end=\"6381\" data-col-size=\"sm\"><strong data-start=\"6352\" data-end=\"6380\">Jack A2B PCB 19510031200<\/strong><\/td>\n<td data-start=\"6381\" data-end=\"6412\" data-col-size=\"md\">\u274c Different board reference<\/td>\n<\/tr>\n<tr data-start=\"6413\" data-end=\"6466\">\n<td data-start=\"6413\" data-end=\"6444\" data-col-size=\"sm\">Other Jack A-Series machines<\/td>\n<td data-start=\"6444\" data-end=\"6466\" data-col-size=\"md\">\u26a0 Verify exact PCB<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<h1 dir=\"auto\" data-section-id=\"1e1rv6c\" data-start=\"6468\" data-end=\"6483\">\u00a0HOW TO USE<\/h1>\n<ol data-start=\"6485\" data-end=\"7267\">\n<li data-section-id=\"1k7bg6s\" data-start=\"6485\" data-end=\"6518\">\u0938\u093f\u0932\u093e\u0908 \u092e\u0936\u0940\u0928 \u092c\u0902\u0926 \u0915\u0930 \u0926\u0947\u0902\u0964.<\/li>\n<li data-section-id=\"18ncgvt\" data-start=\"6519\" data-end=\"6572\">\u092e\u0936\u0940\u0928 \u0915\u094b \u092c\u093f\u091c\u0932\u0940 \u0915\u0940 \u0906\u092a\u0942\u0930\u094d\u0924\u093f \u0938\u0947 \u0905\u0932\u0917 \u0915\u0930\u0947\u0902\u0964.<\/li>\n<li data-section-id=\"p7r01g\" data-start=\"6573\" data-end=\"6659\">Open the control-box or PCB access area according to the machine service procedure.<\/li>\n<li data-section-id=\"ik4pif\" data-start=\"6660\" data-end=\"6719\">Photograph the existing wiring before removing anything.<\/li>\n<li data-section-id=\"138g4rx\" data-start=\"6720\" data-end=\"6774\">Locate the part number printed on the original PCB.<\/li>\n<li data-section-id=\"ilkmuz\" data-start=\"6775\" data-end=\"6824\">Confirm that it corresponds to <strong data-start=\"6809\" data-end=\"6823\">9950014900<\/strong>.<\/li>\n<li data-section-id=\"ywr9ny\" data-start=\"6825\" data-end=\"6889\">Compare the connector arrangement with the replacement board.<\/li>\n<li data-section-id=\"1yttr4j\" data-start=\"6890\" data-end=\"6931\">Disconnect the original PCB carefully.<\/li>\n<li data-section-id=\"7hpanm\" data-start=\"6932\" data-end=\"6987\">Install the replacement PCB in the correct position.<\/li>\n<li data-section-id=\"19f6xjo\" data-start=\"6988\" data-end=\"7041\">Reconnect each cable to its corresponding socket.<\/li>\n<li data-section-id=\"1uln3om\" data-start=\"7042\" data-end=\"7089\">Check that every connector is fully seated.<\/li>\n<li data-section-id=\"109c1n1\" data-start=\"7090\" data-end=\"7129\">Close the control housing securely.<\/li>\n<li data-section-id=\"1rtmpw0\" data-start=\"7130\" data-end=\"7148\">Restore power.<\/li>\n<li data-section-id=\"19wvq24\" data-start=\"7149\" data-end=\"7183\">Test the machine at low speed.<\/li>\n<li data-section-id=\"1bl0kmd\" data-start=\"7184\" data-end=\"7267\">Check motor operation, needle positioning and thread trimming where applicable.<\/li>\n<\/ol>\n<p dir=\"auto\" data-start=\"7269\" data-end=\"7385\">If you are not experienced with electronic sewing-machine repairs, have the PCB installed by a qualified technician.<\/p>\n<h1 dir=\"auto\" data-section-id=\"1r0yvqf\" data-start=\"7387\" data-end=\"7418\">\u00a0FREQUENTLY ASKED QUESTIONS<\/h1>\n<h3 dir=\"auto\" data-section-id=\"bw158y\" data-start=\"7420\" data-end=\"7452\">What is Jack 9950014900 PCB?<\/h3>\n<p dir=\"auto\" data-start=\"7454\" data-end=\"7644\"><strong data-start=\"7454\" data-end=\"7468\">9950014900<\/strong> is a main PCB\/control-board reference associated with the <strong data-start=\"7527\" data-end=\"7545\">Jack A2C\/A2-CZ<\/strong> direct-drive single-needle lockstitch machine configuration.<\/p>\n<h3 dir=\"auto\" data-section-id=\"14mtklm\" data-start=\"7646\" data-end=\"7691\">Is 9950014900 compatible with Jack A2-CZ?<\/h3>\n<p dir=\"auto\" data-start=\"7693\" data-end=\"7842\">Yes. Current spare-parts listings specifically identify <strong data-start=\"7749\" data-end=\"7803\">9950014900 as the PCB control board for Jack A2-CZ<\/strong>.<\/p>\n<h3 dir=\"auto\" data-section-id=\"1wklp41\" data-start=\"7844\" data-end=\"7891\">Is 9950014900 the same as the Jack A2B PCB?<\/h3>\n<p dir=\"auto\" data-start=\"7893\" data-end=\"8134\">No. Current parts references identify <strong data-start=\"7931\" data-end=\"7954\">19510031200 for A2B<\/strong>, while <strong data-start=\"7962\" data-end=\"8005\">9950014900 is associated with A2C\/A2-CZ<\/strong>. Do not substitute one for the other without confirming the machine and PCB configuration.<\/p>\n<h3 dir=\"auto\" data-section-id=\"3xaqqv\" data-start=\"8136\" data-end=\"8185\">What does the Jack A2-CZ motherboard control?<\/h3>\n<p dir=\"auto\" data-start=\"8187\" data-end=\"8418\">It acts as the machine&#8217;s main electronic control board and can coordinate motor control, speed response, needle positioning, thread trimming, sensors and other connected electronic functions, depending on the machine configuration.<\/p>\n<h3 dir=\"auto\" data-section-id=\"1s1s72i\" data-start=\"8420\" data-end=\"8466\">Can I use this PCB on any Jack A2 machine?<\/h3>\n<p dir=\"auto\" data-start=\"8468\" data-end=\"8618\">No. The machine must use the corresponding <strong data-start=\"8511\" data-end=\"8543\">9950014900 PCB configuration<\/strong>. Check your existing board&#8217;s part number and connectors before purchasing.<\/p>\n<h3 dir=\"auto\" data-section-id=\"1nsuztq\" data-start=\"8620\" data-end=\"8675\">Does this listing include the complete control box?<\/h3>\n<p dir=\"auto\" data-start=\"8677\" data-end=\"8859\">No. This product contains <strong data-start=\"8703\" data-end=\"8724\">1 motherboard PCB<\/strong> only. The complete machine, motor, control box, display and wiring are not included unless specifically stated in the product package.<\/p>\n<h3 dir=\"auto\" data-section-id=\"1xsmnjt\" data-start=\"8861\" data-end=\"8899\">How do I identify the correct PCB?<\/h3>\n<p dir=\"auto\" data-start=\"8901\" data-end=\"9082\">Check the <strong data-start=\"8911\" data-end=\"8955\">part number printed on your existing PCB<\/strong>, followed by the board label and connector arrangement. For this product, the primary identification number is <strong data-start=\"9067\" data-end=\"9081\">9950014900<\/strong>.<\/p>\n<h3 dir=\"auto\" data-section-id=\"1p89m2u\" data-start=\"9084\" data-end=\"9126\">Can an A2B PCB replace this A2-CZ PCB?<\/h3>\n<p dir=\"auto\" data-start=\"9128\" data-end=\"9326\">Do not assume so. A2B uses a different PCB reference, <strong data-start=\"9182\" data-end=\"9197\">19510031200<\/strong>, while A2C\/A2-CZ uses <strong data-start=\"9220\" data-end=\"9234\">9950014900<\/strong>. Verify the board configuration before replacement.<\/p>\n<h1 dir=\"auto\" data-section-id=\"l3oq3b\" data-start=\"9328\" data-end=\"9342\"><\/h1>","protected":false},"excerpt":{"rendered":"<p class=\"PDq2pG_selectionAnchorContainer\" dir=\"auto\" data-start=\"9653\" data-end=\"9921\">Jack A2-CZ 9950014900 replacement motherboard PCB for compatible A2C\/A2-CZ direct-drive single-needle lockstitch machines. Main electronic control board supplied as 1 piece. Verify your existing PCB number and connector layout before ordering.<\/p>\n<h1 dir=\"auto\" data-section-id=\"1kctsr9\" data-start=\"9923\" data-end=\"9940\"><\/h1>\n<h1 dir=\"auto\" data-section-id=\"1kctsr9\" data-start=\"8531\" data-end=\"8548\"><\/h1>","protected":false},"featured_media":857580,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_yoast_wpseo_focuskw":"Jack A2-CZ 9950014900 PCB","_yoast_wpseo_title":"Jack A2-CZ 9950014900 Motherboard PCB%%page%% %%sep%% %%sitename%%","_yoast_wpseo_metadesc":"Buy Jack A2-CZ 9950014900 motherboard PCB for compatible direct-drive lockstitch machines. Replacement main control board, 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":[],"product_cat":[1103,765],"product_tag":[4380,4382,4036,4377,4379,4140,3284,4384,4381,3139,4383,4385],"class_list":["post-856698","product","type-product","status-publish","has-post-thumbnail","product_cat-sewing-machine-motherboard-and-chip","product_cat-jack-sewing-machine-spare-parts","product_tag-a2-cz-motherboard","product_tag-automatic-lockstitch-pcb","product_tag-direct-drive-sewing-machine-pcb","product_tag-jack-a2-motherboard","product_tag-jack-a2-pcb","product_tag-jack-a2-spare-parts","product_tag-jack-control-board","product_tag-jack-electronic-parts","product_tag-jack-sewing-machine-motherboard","product_tag-sewing-machine-control-pcb","product_tag-sewing-machine-electronic-spare","product_tag-sewing-machine-motherboard-replacement","first","instock","sale","shipping-taxable","purchasable","product-type-simple"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Jack A2-CZ 9950014900 Motherboard PCB - Stitch Partner<\/title>\n<meta name=\"description\" content=\"Buy Jack A2-CZ 9950014900 motherboard PCB for compatible direct-drive lockstitch machines. Replacement main control board, 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-a2-cz-9950014900-pcb\/\" \/>\n<meta property=\"og:locale\" content=\"hi_IN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Jack A2-CZ 9950014900 Motherboard PCB - Stitch Partner\" \/>\n<meta property=\"og:description\" content=\"Buy Jack A2-CZ 9950014900 motherboard PCB for compatible direct-drive lockstitch machines. Replacement main control board, 1 piece.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/stitchpartner.com\/hi\/product\/jack-a2-cz-9950014900-pcb\/\" \/>\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=\"2026-09-25T12:50:33+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/stitchpartner.com\/wp-content\/uploads\/2026\/09\/jack-a2-cz-9950014900-pcb.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=\"6 \u092e\u093f\u0928\u091f\" \/>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Jack A2-CZ 9950014900 Motherboard PCB - Stitch Partner","description":"Buy Jack A2-CZ 9950014900 motherboard PCB for compatible direct-drive lockstitch machines. Replacement main control board, 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-a2-cz-9950014900-pcb\/","og_locale":"hi_IN","og_type":"article","og_title":"Jack A2-CZ 9950014900 Motherboard PCB - Stitch Partner","og_description":"Buy Jack A2-CZ 9950014900 motherboard PCB for compatible direct-drive lockstitch machines. Replacement main control board, 1 piece.","og_url":"https:\/\/stitchpartner.com\/hi\/product\/jack-a2-cz-9950014900-pcb\/","og_site_name":"Stitch Partner","article_publisher":"https:\/\/www.facebook.com\/467613100111433","article_modified_time":"2026-09-25T12:50:33+00:00","og_image":[{"width":1040,"height":1040,"url":"https:\/\/stitchpartner.com\/wp-content\/uploads\/2026\/09\/jack-a2-cz-9950014900-pcb.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":"6 \u092e\u093f\u0928\u091f"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/stitchpartner.com\/product\/jack-a2-cz-9950014900-pcb\/","url":"https:\/\/stitchpartner.com\/product\/jack-a2-cz-9950014900-pcb\/","name":"Jack A2-CZ 9950014900 Motherboard PCB - Stitch Partner","isPartOf":{"@id":"https:\/\/stitchpartner.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/stitchpartner.com\/product\/jack-a2-cz-9950014900-pcb\/#primaryimage"},"image":{"@id":"https:\/\/stitchpartner.com\/product\/jack-a2-cz-9950014900-pcb\/#primaryimage"},"thumbnailUrl":"https:\/\/i0.wp.com\/stitchpartner.com\/wp-content\/uploads\/2026\/09\/jack-a2-cz-9950014900-pcb.jpg.jpg?fit=1040%2C1040&ssl=1","datePublished":"2026-09-25T12:27:51+00:00","dateModified":"2026-09-25T12:50:33+00:00","description":"Buy Jack A2-CZ 9950014900 motherboard PCB for compatible direct-drive lockstitch machines. Replacement main control board, 1 piece.","breadcrumb":{"@id":"https:\/\/stitchpartner.com\/product\/jack-a2-cz-9950014900-pcb\/#breadcrumb"},"inLanguage":"hi-IN","potentialAction":[{"@type":"ReadAction","target":["https:\/\/stitchpartner.com\/product\/jack-a2-cz-9950014900-pcb\/"]}]},{"@type":"ImageObject","inLanguage":"hi-IN","@id":"https:\/\/stitchpartner.com\/product\/jack-a2-cz-9950014900-pcb\/#primaryimage","url":"https:\/\/i0.wp.com\/stitchpartner.com\/wp-content\/uploads\/2026\/09\/jack-a2-cz-9950014900-pcb.jpg.jpg?fit=1040%2C1040&ssl=1","contentUrl":"https:\/\/i0.wp.com\/stitchpartner.com\/wp-content\/uploads\/2026\/09\/jack-a2-cz-9950014900-pcb.jpg.jpg?fit=1040%2C1040&ssl=1","width":1040,"height":1040},{"@type":"BreadcrumbList","@id":"https:\/\/stitchpartner.com\/product\/jack-a2-cz-9950014900-pcb\/#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 A2-CZ 9950014900 Motherboard PCB"}]},{"@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\/856698","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=856698"}],"version-history":[{"count":4,"href":"https:\/\/stitchpartner.com\/hi\/wp-json\/wp\/v2\/product\/856698\/revisions"}],"predecessor-version":[{"id":858341,"href":"https:\/\/stitchpartner.com\/hi\/wp-json\/wp\/v2\/product\/856698\/revisions\/858341"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/stitchpartner.com\/hi\/wp-json\/wp\/v2\/media\/857580"}],"wp:attachment":[{"href":"https:\/\/stitchpartner.com\/hi\/wp-json\/wp\/v2\/media?parent=856698"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/stitchpartner.com\/hi\/wp-json\/wp\/v2\/product_brand?post=856698"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/stitchpartner.com\/hi\/wp-json\/wp\/v2\/product_cat?post=856698"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/stitchpartner.com\/hi\/wp-json\/wp\/v2\/product_tag?post=856698"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}