{"id":1921576,"date":"2026-10-23T19:15:23","date_gmt":"2026-10-23T13:45:23","guid":{"rendered":"https:\/\/stitchpartner.com\/?post_type=product&#038;p=1921576"},"modified":"2026-10-25T12:55:12","modified_gmt":"2026-10-25T07:25:12","slug":"k2-maqi-electronic-control-motherboard","status":"publish","type":"product","link":"https:\/\/stitchpartner.com\/hi\/product\/k2-maqi-electronic-control-motherboard\/","title":{"rendered":"K2 Maqi Electronic Control Motherboard for Sewing Machine"},"content":{"rendered":"<h1>K2 Maqi Electronic Control Motherboard for Sewing Machine<\/h1>\n<p>The <strong>K2 Maqi Electronic Control Motherboard<\/strong> is a replacement main PCB for compatible computerized direct-drive industrial lockstitch sewing machines. It supports the electronic control system responsible for coordinating machine operation and relevant sewing functions.<\/p>\n<p>This motherboard is specified for Maqi Q3, Q4, and Q5 machines, Risheng S3, S4, and S5 models, and Sunsir S3, S4, and S5 machines. Check your existing motherboard&#8217;s part number, connector arrangement, and control box configuration before purchasing to help ensure a suitable replacement.<\/p>\n<p><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-1921580\" src=\"https:\/\/i0.wp.com\/stitchpartner.com\/wp-content\/uploads\/2026\/10\/sunsir-s3-s4-s5-control-board.jpg-medium.jpg?resize=600%2C600&#038;ssl=1\" alt=\"K2 industrial sewing machine main control circuit board\" width=\"600\" height=\"600\" srcset=\"https:\/\/i0.wp.com\/stitchpartner.com\/wp-content\/uploads\/2026\/10\/sunsir-s3-s4-s5-control-board.jpg.jpg?resize=600%2C600&amp;ssl=1 600w, https:\/\/i0.wp.com\/stitchpartner.com\/wp-content\/uploads\/2026\/10\/sunsir-s3-s4-s5-control-board.jpg.jpg?w=1024&amp;ssl=1 1024w, https:\/\/i0.wp.com\/stitchpartner.com\/wp-content\/uploads\/2026\/10\/sunsir-s3-s4-s5-control-board.jpg.jpg?resize=300%2C300&amp;ssl=1 300w, https:\/\/i0.wp.com\/stitchpartner.com\/wp-content\/uploads\/2026\/10\/sunsir-s3-s4-s5-control-board.jpg.jpg?resize=768%2C768&amp;ssl=1 768w, https:\/\/i0.wp.com\/stitchpartner.com\/wp-content\/uploads\/2026\/10\/sunsir-s3-s4-s5-control-board.jpg.jpg?resize=12%2C12&amp;ssl=1 12w, https:\/\/i0.wp.com\/stitchpartner.com\/wp-content\/uploads\/2026\/10\/sunsir-s3-s4-s5-control-board.jpg.jpg?resize=150%2C150&amp;ssl=1 150w, https:\/\/i0.wp.com\/stitchpartner.com\/wp-content\/uploads\/2026\/10\/sunsir-s3-s4-s5-control-board.jpg.jpg?w=1040&amp;ssl=1 1040w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<p><strong>\u092a\u0948\u0915 \u092e\u093e\u0924\u094d\u0930\u093e:<\/strong> 1 \u091f\u0941\u0915\u0921\u093c\u093e<\/p>\n<h2>Key Features of the K2 Electronic Control Motherboard<\/h2>\n<ul>\n<li><strong>Multi-model compatibility:<\/strong> Specified for selected Maqi Q-series, Risheng S-series, and Sunsir S-series sewing machines.<\/li>\n<li><strong>Main electronic control board:<\/strong> Serves as a replacement for the motherboard in a compatible machine control system.<\/li>\n<li><strong>Machine function coordination:<\/strong> Supports electronic control functions according to the connected machine&#8217;s design.<\/li>\n<li><strong>Replacement component:<\/strong> Helps technicians service compatible sewing machine electronic control assemblies.<\/li>\n<li><strong>Industrial sewing application:<\/strong> Intended for computerized direct-drive lockstitch sewing machines used in tailoring workshops and garment production units.<img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-1921581\" src=\"https:\/\/i0.wp.com\/stitchpartner.com\/wp-content\/uploads\/2026\/10\/risheng-s3-s4-s5-electronic-pcb.jpg-medium.jpg?resize=600%2C600&#038;ssl=1\" alt=\"Sunsir S3 S4 S5 compatible K2 electronic motherboard\" width=\"600\" height=\"600\" srcset=\"https:\/\/i0.wp.com\/stitchpartner.com\/wp-content\/uploads\/2026\/10\/risheng-s3-s4-s5-electronic-pcb.jpg.jpg?resize=600%2C600&amp;ssl=1 600w, https:\/\/i0.wp.com\/stitchpartner.com\/wp-content\/uploads\/2026\/10\/risheng-s3-s4-s5-electronic-pcb.jpg.jpg?w=1024&amp;ssl=1 1024w, https:\/\/i0.wp.com\/stitchpartner.com\/wp-content\/uploads\/2026\/10\/risheng-s3-s4-s5-electronic-pcb.jpg.jpg?resize=300%2C300&amp;ssl=1 300w, https:\/\/i0.wp.com\/stitchpartner.com\/wp-content\/uploads\/2026\/10\/risheng-s3-s4-s5-electronic-pcb.jpg.jpg?resize=768%2C768&amp;ssl=1 768w, https:\/\/i0.wp.com\/stitchpartner.com\/wp-content\/uploads\/2026\/10\/risheng-s3-s4-s5-electronic-pcb.jpg.jpg?resize=12%2C12&amp;ssl=1 12w, https:\/\/i0.wp.com\/stitchpartner.com\/wp-content\/uploads\/2026\/10\/risheng-s3-s4-s5-electronic-pcb.jpg.jpg?resize=150%2C150&amp;ssl=1 150w, https:\/\/i0.wp.com\/stitchpartner.com\/wp-content\/uploads\/2026\/10\/risheng-s3-s4-s5-electronic-pcb.jpg.jpg?w=1040&amp;ssl=1 1040w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/li>\n<\/ul>\n<h2>\u0938\u0902\u0917\u0924 \u0938\u093f\u0932\u093e\u0908 \u092e\u0936\u0940\u0928 \u092e\u0949\u0921\u0932<\/h2>\n<table>\n<tbody>\n<tr>\n<th>\u092e\u0936\u0940\u0928 \u092c\u094d\u0930\u093e\u0902\u0921<\/th>\n<th>\u0938\u0902\u0917\u0924 \u092e\u0949\u0921\u0932<\/th>\n<\/tr>\n<tr>\n<td>\u092e\u093e\u0915\u0940<\/td>\n<td>Q3, Q4, Q5<\/td>\n<\/tr>\n<tr>\n<td>Risheng<\/td>\n<td>S3, S4, S5<\/td>\n<\/tr>\n<tr>\n<td>Sunsir<\/td>\n<td>S3, S4, S5<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>The models listed above reflect the supplied compatibility information. Confirm the exact motherboard revision and part number before ordering, as similar machine models may use different electronic control boards.<\/p>\n<h2>What Does an Electronic Control Motherboard Do?<\/h2>\n<p>An electronic control motherboard processes signals and coordinates functions within a computerized sewing machine&#8217;s control system. Depending on the machine design, these functions may include motor operation, speed response, needle positioning, and selected automated sewing features.<\/p>\n<p>If your machine stops responding, displays an error, or operates inconsistently, the motherboard may be one possible cause. However, faulty wiring, sensors, motor components, or power supply problems can produce similar symptoms. A technician should diagnose the fault before you replace the board.<\/p>\n<h2>Applications in Industrial Sewing<\/h2>\n<p>This motherboard is intended for compatible computerized direct-drive lockstitch machines used in professional sewing environments. It may be relevant to tailoring businesses, garment factories, production workshops, and sewing machine service technicians maintaining the listed models.<\/p>\n<p>The PCB itself does not determine which fabrics a machine can sew. Fabric performance depends on the complete machine setup, including the motor, needle, feed system, presser foot, thread, and operating settings.<\/p>\n<p><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-1921578\" src=\"https:\/\/i0.wp.com\/stitchpartner.com\/wp-content\/uploads\/2026\/10\/k2-sewing-machine-motherboard-replacement.jpg-medium.jpg?resize=600%2C600&#038;ssl=1\" alt=\"K2 electronic motherboard replacement for compatible sewing machines\" width=\"600\" height=\"600\" srcset=\"https:\/\/i0.wp.com\/stitchpartner.com\/wp-content\/uploads\/2026\/10\/k2-sewing-machine-motherboard-replacement.jpg.jpg?resize=600%2C600&amp;ssl=1 600w, https:\/\/i0.wp.com\/stitchpartner.com\/wp-content\/uploads\/2026\/10\/k2-sewing-machine-motherboard-replacement.jpg.jpg?w=1024&amp;ssl=1 1024w, https:\/\/i0.wp.com\/stitchpartner.com\/wp-content\/uploads\/2026\/10\/k2-sewing-machine-motherboard-replacement.jpg.jpg?resize=300%2C300&amp;ssl=1 300w, https:\/\/i0.wp.com\/stitchpartner.com\/wp-content\/uploads\/2026\/10\/k2-sewing-machine-motherboard-replacement.jpg.jpg?resize=768%2C768&amp;ssl=1 768w, https:\/\/i0.wp.com\/stitchpartner.com\/wp-content\/uploads\/2026\/10\/k2-sewing-machine-motherboard-replacement.jpg.jpg?resize=12%2C12&amp;ssl=1 12w, https:\/\/i0.wp.com\/stitchpartner.com\/wp-content\/uploads\/2026\/10\/k2-sewing-machine-motherboard-replacement.jpg.jpg?resize=150%2C150&amp;ssl=1 150w, https:\/\/i0.wp.com\/stitchpartner.com\/wp-content\/uploads\/2026\/10\/k2-sewing-machine-motherboard-replacement.jpg.jpg?w=1040&amp;ssl=1 1040w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<h2>Installation and Replacement Guide<\/h2>\n<p>Follow these precautions when replacing the motherboard:<\/p>\n<ol start=\"1\">\n<li><strong>Disconnect the power:<\/strong> Switch off the machine and unplug the electrical supply before opening the control box.<\/li>\n<li><strong>Check the model:<\/strong> Confirm the sewing machine model and the identification number printed on the original PCB.<\/li>\n<li><strong>Record the wiring:<\/strong> Photograph the original connector positions and cable routing before removing anything.<\/li>\n<li><strong>Remove the old board:<\/strong> Ask a qualified technician to disconnect and remove the existing motherboard.<\/li>\n<li><strong>Compare the replacement:<\/strong> Check the board layout, connectors, mounting points, and part number against the original.<\/li>\n<li><strong>Install the PCB:<\/strong> Fit the replacement only after confirming that it matches the machine&#8217;s control system.<\/li>\n<li><strong>Test the machine:<\/strong> Have the technician check the electrical connections and machine functions before returning the machine to production.<\/li>\n<\/ol>\n<p>Never install or remove the motherboard while the machine is connected to power. Incorrect wiring or an incompatible PCB can damage the electronic control system and create an electrical hazard.<\/p>\n<h2>\u0905\u0915\u094d\u0938\u0930 \u092a\u0942\u091b\u0947 \u091c\u093e\u0928\u0947 \u0935\u093e\u0932\u0947 \u0938\u0935\u093e\u0932<\/h2>\n<h3>1. Which sewing machines are compatible with the K2 electronic control motherboard?<\/h3>\n<p>The supplied compatibility list includes Maqi Q3, Q4, and Q5; Risheng S3, S4, and S5; and Sunsir S3, S4, and S5. Check your existing motherboard&#8217;s part number and connector layout before purchasing.<\/p>\n<h3>2. Is the K2 motherboard compatible with Maqi Q3, Q4, and Q5?<\/h3>\n<p>Yes, these models are listed as compatible applications for this motherboard. However, verify the original PCB number and control box version because a machine model alone may not establish exact compatibility.<\/p>\n<h3>3. Can I use this motherboard in a Risheng S3, S4, or S5 machine?<\/h3>\n<p>These Risheng models are included in the supplied compatibility information. Compare the original motherboard and connector arrangement with the replacement before installation.<\/p>\n<h3>4. Is this motherboard suitable for Sunsir S3, S4, and S5 machines?<\/h3>\n<p>The product is specified for Sunsir S3, S4, and S5 machines. Confirm the exact PCB revision and machine configuration before ordering.<\/p>\n<h3>5. What is included in the package?<\/h3>\n<p>The package contains <strong>1 K2 electronic control motherboard main PCB<\/strong>. A complete sewing machine, control box, cables, and installation service are not included unless explicitly stated by the seller.<\/p>\n<h3>6. Will replacing the motherboard fix my sewing machine?<\/h3>\n<p>It may resolve a fault caused by a defective motherboard, but not every machine problem originates from the PCB. A technician should inspect the wiring, sensors, motor, and power supply before replacing electronic components.<\/p>\n<h3>7. Can I install the K2 motherboard myself?<\/h3>\n<p>Professional installation is recommended if you are unfamiliar with sewing machine electronics. Disconnect the power, handle the PCB carefully, and ensure the replacement matches the original board before connecting it.<\/p>\n<h3>8. How do I choose the correct replacement motherboard?<\/h3>\n<p>Check the machine brand and model, the part number on your existing PCB, connector positions, and control box design. If you are unsure, compare clear photographs of both boards or consult a sewing machine technician before purchasing.<\/p>","protected":false},"excerpt":{"rendered":"<p data-pm-slice=\"1 1 []\">The K2 Maqi Electronic Control Motherboard is a replacement main PCB for compatible computerized direct-drive industrial lockstitch sewing machines. It is specified for Maqi Q3\/Q4\/Q5, Risheng S3\/S4\/S5, and Sunsir S3\/S4\/S5 models. Supplied as 1 piece. Verify the original PCB number, connectors, and control box compatibility before ordering.<\/p>","protected":false},"featured_media":1921585,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_yoast_wpseo_focuskw":"K2 Maqi Electronic Control Motherboard","_yoast_wpseo_title":"K2 Maqi Electronic Control Motherboard for Sewing Machine %%sep%% %%sitename%%","_yoast_wpseo_metadesc":"Buy the K2 Maqi Electronic Control Motherboard for compatible Maqi Q3\/Q4\/Q5, Risheng S3\/S4\/S5 and Sunsir S3\/S4\/S5 sewing machines.","_yoast_wpseo_meta-robots-noindex":"","_yoast_wpseo_meta-robots-nofollow":"","_yoast_wpseo_bctitle":"","_yoast_wpseo_canonical":"","_yoast_wpseo_opengraph-title":"K2 Maqi Electronic Control Motherboard for Sewing Machine","_yoast_wpseo_opengraph-description":"Buy the K2 Maqi Electronic Control Motherboard for compatible Maqi Q3\/Q4\/Q5, Risheng S3\/S4\/S5 and Sunsir S3\/S4\/S5 sewing machines.","_yoast_wpseo_twitter-title":"K2 Maqi Electronic Control Motherboard for Sewing Machine","_yoast_wpseo_twitter-description":"Buy the K2 Maqi Electronic Control Motherboard for compatible Maqi Q3\/Q4\/Q5, Risheng S3\/S4\/S5 and Sunsir S3\/S4\/S5 sewing machines."},"product_brand":[3290],"product_cat":[1103],"product_tag":[4897,3128,4885,4887,4888,4889,4886,4890,4891,4892,4898,4896,4893,4894,4895],"class_list":["post-1921576","product","type-product","status-publish","has-post-thumbnail","product_brand-maqi","product_cat-sewing-machine-motherboard-and-chip","product_tag-computerized-lockstitch-parts","product_tag-industrial-sewing-machine-pcb","product_tag-k2-electronic-control-motherboard","product_tag-maqi-q3-motherboard","product_tag-maqi-q4-motherboard","product_tag-maqi-q5-motherboard","product_tag-maqi-sewing-machine-pcb","product_tag-risheng-s3-motherboard","product_tag-risheng-s4-motherboard","product_tag-risheng-s5-motherboard","product_tag-sewing-machine-electronic-spare-parts","product_tag-sewing-machine-main-control-board","product_tag-sunsir-s3-motherboard","product_tag-sunsir-s4-motherboard","product_tag-sunsir-s5-motherboard","first","instock","sale","shipping-taxable","purchasable","product-type-simple"],"acf":[],"pure_taxonomies":{"product_brand":[{"term_id":3290,"name":"MAQI","slug":"maqi","term_group":0,"term_taxonomy_id":3290,"taxonomy":"product_brand","description":"","parent":0,"count":4,"filter":"raw","image":""}],"product_cat":[{"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":45,"filter":"raw","image":""}],"product_tag":[{"term_id":4897,"name":"computerized lockstitch parts","slug":"computerized-lockstitch-parts","term_group":0,"term_taxonomy_id":4897,"taxonomy":"product_tag","description":"","parent":0,"count":1,"filter":"raw","image":""},{"term_id":3128,"name":"industrial sewing machine PCB","slug":"industrial-sewing-machine-pcb","term_group":0,"term_taxonomy_id":3128,"taxonomy":"product_tag","description":"","parent":0,"count":13,"filter":"raw","image":""},{"term_id":4885,"name":"K2 electronic control motherboard","slug":"k2-electronic-control-motherboard","term_group":0,"term_taxonomy_id":4885,"taxonomy":"product_tag","description":"","parent":0,"count":1,"filter":"raw","image":""},{"term_id":4887,"name":"Maqi Q3 motherboard","slug":"maqi-q3-motherboard","term_group":0,"term_taxonomy_id":4887,"taxonomy":"product_tag","description":"","parent":0,"count":1,"filter":"raw","image":""},{"term_id":4888,"name":"Maqi Q4 motherboard","slug":"maqi-q4-motherboard","term_group":0,"term_taxonomy_id":4888,"taxonomy":"product_tag","description":"","parent":0,"count":1,"filter":"raw","image":""},{"term_id":4889,"name":"Maqi Q5 motherboard","slug":"maqi-q5-motherboard","term_group":0,"term_taxonomy_id":4889,"taxonomy":"product_tag","description":"","parent":0,"count":1,"filter":"raw","image":""},{"term_id":4886,"name":"Maqi sewing machine PCB","slug":"maqi-sewing-machine-pcb","term_group":0,"term_taxonomy_id":4886,"taxonomy":"product_tag","description":"","parent":0,"count":1,"filter":"raw","image":""},{"term_id":4890,"name":"Risheng S3 motherboard","slug":"risheng-s3-motherboard","term_group":0,"term_taxonomy_id":4890,"taxonomy":"product_tag","description":"","parent":0,"count":1,"filter":"raw","image":""},{"term_id":4891,"name":"Risheng S4 motherboard","slug":"risheng-s4-motherboard","term_group":0,"term_taxonomy_id":4891,"taxonomy":"product_tag","description":"","parent":0,"count":1,"filter":"raw","image":""},{"term_id":4892,"name":"Risheng S5 motherboard","slug":"risheng-s5-motherboard","term_group":0,"term_taxonomy_id":4892,"taxonomy":"product_tag","description":"","parent":0,"count":1,"filter":"raw","image":""},{"term_id":4898,"name":"sewing machine electronic spare parts","slug":"sewing-machine-electronic-spare-parts","term_group":0,"term_taxonomy_id":4898,"taxonomy":"product_tag","description":"","parent":0,"count":1,"filter":"raw","image":""},{"term_id":4896,"name":"sewing machine main control board","slug":"sewing-machine-main-control-board","term_group":0,"term_taxonomy_id":4896,"taxonomy":"product_tag","description":"","parent":0,"count":1,"filter":"raw","image":""},{"term_id":4893,"name":"Sunsir S3 motherboard","slug":"sunsir-s3-motherboard","term_group":0,"term_taxonomy_id":4893,"taxonomy":"product_tag","description":"","parent":0,"count":1,"filter":"raw","image":""},{"term_id":4894,"name":"Sunsir S4 motherboard","slug":"sunsir-s4-motherboard","term_group":0,"term_taxonomy_id":4894,"taxonomy":"product_tag","description":"","parent":0,"count":1,"filter":"raw","image":""},{"term_id":4895,"name":"Sunsir S5 motherboard","slug":"sunsir-s5-motherboard","term_group":0,"term_taxonomy_id":4895,"taxonomy":"product_tag","description":"","parent":0,"count":1,"filter":"raw","image":""}]},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - 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