{"id":22407,"date":"2026-07-27T13:11:50","date_gmt":"2026-07-27T19:11:50","guid":{"rendered":"https:\/\/support.epiloglaser.com\/staging\/?p=22407"},"modified":"2026-07-29T09:36:52","modified_gmt":"2026-07-29T15:36:52","slug":"control-board-sd-card-coin-battery-backplane","status":"publish","type":"post","link":"https:\/\/support.epiloglaser.com\/staging\/laser-machine\/fusion-ascent\/service-and-repair\/control-circuit-boards\/control-board-sd-card-coin-battery-backplane\/","title":{"rendered":"Control Board &#8211; SD Card &#8211; Coin Battery &#8211; Backplane"},"content":{"rendered":"<div class=\"uk-container uk-container-small uk-margin-large-top uk-margin-large-bottom\">\n<p class=\"uk-text-lead uk-text-muted\">\n        This guide provides step-by-step technical instructions for replacing the control board, SD card, coin battery, and backplane on your Ascent laser system.\n    <\/p>\n<div class=\"uk-alert-warning uk-border-rounded\" uk-alert>\n<p class=\"uk-text-primary\">\n                <strong>Safety First:<\/strong> Ensure the laser system is completely powered off and the main power cord is unplugged from the wall outlet before touching or disconnecting any internal electronics. Do not touch any exposed power supply components.<\/p>\n<p class=\"uk-text-primary\">\n                <strong>ESD Precaution:<\/strong> Always wear an anti-static wrist strap grounded to the machine&#8217;s bare metal chassis before handling the control board, backplane, or other sensitive electronic components to prevent electrostatic discharge damage.<\/p>\n<\/p><\/div>\n<hr class=\"uk-divider-icon uk-margin-medium-top uk-margin-medium-bottom\">\n<h3>Section 1: Control Board Removal<\/h3>\n<p>    <!-- Removal Step 1 --><\/p>\n<div class=\"uk-card uk-card-default uk-grid-collapse uk-child-width-1-2@s uk-margin\" uk-grid>\n<div class=\"uk-card-media-left uk-flex uk-flex-middle\">\n            <img decoding=\"async\" src=\"https:\/\/support.epiloglaser.com\/wp-content\/uploads\/19k_remove_right-scaled.png\" alt=\"Removing right side panel\" class=\"uk-width-1-1\" style=\"border-top-left-radius: inherit; border-bottom-left-radius: inherit;\">\n        <\/div>\n<div>\n<div class=\"uk-card-body\">\n                <span class=\"uk-label\">Step 1<\/span><\/p>\n<h4 class=\"uk-margin-small-top\">Remove Side Panel<\/h4>\n<p>Locate and remove the right side panel of the laser chassis to gain access to the electronics.<\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<p>    <!-- Removal Step 2 --><\/p>\n<div class=\"uk-card uk-card-default uk-grid-collapse uk-child-width-1-2@s uk-margin\" uk-grid>\n<div class=\"uk-card-media-left uk-flex uk-flex-middle\">\n            <img decoding=\"async\" src=\"https:\/\/support.epiloglaser.com\/wp-content\/uploads\/19k_cb_screws-scaled.png\" alt=\"Removing control board screws\" class=\"uk-width-1-1\" style=\"border-top-left-radius: inherit; border-bottom-left-radius: inherit;\">\n        <\/div>\n<div>\n<div class=\"uk-card-body\">\n                <span class=\"uk-label\">Step 2<\/span><\/p>\n<h4 class=\"uk-margin-small-top\">Remove Control Board Screws<\/h4>\n<p>Remove the 4 screws securing the control board to the chassis.<\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<p>    <!-- Removal Step 3 --><\/p>\n<div class=\"uk-card uk-card-default uk-grid-collapse uk-child-width-1-2@s uk-margin\" uk-grid>\n<div class=\"uk-card-media-left uk-flex uk-flex-middle\">\n            <img decoding=\"async\" src=\"https:\/\/support.epiloglaser.com\/wp-content\/uploads\/19k_cb_disconnect-scaled.png\" alt=\"Disconnecting front control board harnessing\" class=\"uk-width-1-1\" style=\"border-top-left-radius: inherit; border-bottom-left-radius: inherit;\">\n        <\/div>\n<div>\n<div class=\"uk-card-body\">\n                <span class=\"uk-label\">Step 3<\/span><\/p>\n<h4 class=\"uk-margin-small-top\">Disconnect Harnessing<\/h4>\n<p>Carefully tilt the front of the control board up and disconnect the wiring harnesses plugged into the control board.<\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<p>    <!-- Removal Step 4 --><\/p>\n<div class=\"uk-card uk-card-default uk-grid-collapse uk-child-width-1-2@s uk-margin\" uk-grid>\n<div class=\"uk-card-media-left uk-flex uk-flex-middle\">\n            <img decoding=\"async\" src=\"https:\/\/support.epiloglaser.com\/wp-content\/uploads\/19k_control_removed-scaled.png\" alt=\"Removing main control board\" class=\"uk-width-1-1\" style=\"border-top-left-radius: inherit; border-bottom-left-radius: inherit;\">\n        <\/div>\n<div>\n<div class=\"uk-card-body\">\n                <span class=\"uk-label\">Step 4<\/span><\/p>\n<h4 class=\"uk-margin-small-top\">Remove Control Board<\/h4>\n<p>Unseat and fully remove the control board from the machine. Place it facedown on a safe, static-free surface. <strong>Important:<\/strong> Ensure the joystick is either hanging over the edge of the surface or placed on a soft material so that it is not crushed or damaged while you work on the back of the board.<\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<hr class=\"uk-divider-icon uk-margin-medium-top uk-margin-medium-bottom\">\n<h3>Section 2: SD Card &#038; Coin Battery Replacement<\/h3>\n<p>With the control board safely resting facedown, you can now easily access and replace the SD card and coin battery located on the board.<\/p>\n<p>    <!-- SD Card Step --><\/p>\n<div class=\"uk-card uk-card-default uk-grid-collapse uk-child-width-1-2@s uk-margin\" uk-grid>\n<div class=\"uk-card-media-left uk-flex uk-flex-middle uk-background-muted\">\n            <!-- Add SD Card Image Here --><\/p>\n<div class=\"uk-padding uk-text-center uk-width-1-1 uk-text-muted\">https:\/\/encrypted-tbn3.gstatic.com\/licensed-image?q=tbn:ANd9GcRpFww9mU3KWyUkpiPo0kPF2RRYWrnHxdciamGK3nD59lbB4fEYIvQtN_W2MrvoGOtmdbp-JvGjYd4F-BU<\/div>\n<\/p><\/div>\n<div>\n<div class=\"uk-card-body\">\n                <span class=\"uk-label\">Step 5<\/span><\/p>\n<h4 class=\"uk-margin-small-top\">Replace SD Card<\/h4>\n<p>Locate the SD card slot on the control board. Gently press the metal holder towards the center of the control board to open the door. Remove the old SD card and insert the new one.<\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<p>    <!-- Coin Battery Step --><\/p>\n<div class=\"uk-card uk-card-default uk-grid-collapse uk-child-width-1-2@s uk-margin\" uk-grid>\n<div class=\"uk-card-media-left uk-flex uk-flex-middle uk-background-muted\">\n            <!-- Add Coin Battery Image Here --><\/p>\n<div class=\"uk-padding uk-text-center uk-width-1-1 uk-text-muted\">https:\/\/encrypted-tbn3.gstatic.com\/licensed-image?q=tbn:ANd9GcRob6Qfs698l8czoK8tr6PsRZreYUZx88mid389kNhn6f1IaiX6y_vSsI5N-jF8Ng2HmC-eyxPdXkR7YLE<\/div>\n<\/p><\/div>\n<div>\n<div class=\"uk-card-body\">\n                <span class=\"uk-label\">Step 6<\/span><\/p>\n<h4 class=\"uk-margin-small-top\">Replace Coin Battery<\/h4>\n<p>Locate the coin battery housing on the control board. Carefully slide the old battery out of its retaining clip. Insert the new battery with the positive (+) side facing up.<\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<hr class=\"uk-divider-icon uk-margin-medium-top uk-margin-medium-bottom\">\n<h3>Section 3: Backplane Replacement<\/h3>\n<p>    <!-- Backplane Removal Step 1 (Screws) --><\/p>\n<div class=\"uk-card uk-card-default uk-grid-collapse uk-child-width-1-2@s uk-margin\" uk-grid>\n<div class=\"uk-card-media-left uk-flex uk-flex-middle uk-background-muted\">\n            <!-- Add Backplane Screws Image Here --><\/p>\n<div class=\"uk-padding uk-text-center uk-width-1-1 uk-text-muted\">https:\/\/encrypted-tbn2.gstatic.com\/licensed-image?q=tbn:ANd9GcQIe4endFSEU0BxaRRbnBMAiVtfNrO84MSwys86juwAc3NtIBqqFz4e48ugcWLX4OmKrp4oY1TE_5EmNoA<\/div>\n<\/p><\/div>\n<div>\n<div class=\"uk-card-body\">\n                <span class=\"uk-label\">Step 7<\/span><\/p>\n<h4 class=\"uk-margin-small-top\">Remove Backplane Screws<\/h4>\n<p>Locate the backplane mounted to the left inside of the chassis. First, remove the 4 screws securing the backplane to the chassis to give yourself some slack.<\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<p>    <!-- Backplane Removal Step 2 (Cables) --><\/p>\n<div class=\"uk-card uk-card-default uk-grid-collapse uk-child-width-1-2@s uk-margin\" uk-grid>\n<div class=\"uk-card-media-left uk-flex uk-flex-middle uk-background-muted\">\n            <!-- Add Backplane Cables Image Here --><\/p>\n<div class=\"uk-padding uk-text-center uk-width-1-1 uk-text-muted\">https:\/\/encrypted-tbn2.gstatic.com\/licensed-image?q=tbn:ANd9GcTIqdw7CSJLKvtQFmjUoWMsVvhcuPTr3Fxa-VSie2tALxyPWi7Z908um_6JpoBb1QynehdFltwJuu15SNg<\/div>\n<\/p><\/div>\n<div>\n<div class=\"uk-card-body\">\n                <span class=\"uk-label\">Step 8<\/span><\/p>\n<h4 class=\"uk-margin-small-top\">Disconnect Cables<\/h4>\n<p>With the board unscrewed, carefully disconnect all wiring harnesses and cables plugged into it. Once everything is disconnected, lift the old backplane out of the machine.<\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<p>    <!-- Backplane Install --><\/p>\n<div class=\"uk-card uk-card-default uk-grid-collapse uk-child-width-1-2@s uk-margin\" uk-grid>\n<div class=\"uk-card-media-left uk-flex uk-flex-middle uk-background-muted\">\n            <!-- Add New Backplane Image Here --><\/p>\n<div class=\"uk-padding uk-text-center uk-width-1-1 uk-text-muted\"><\/div>\n<\/p><\/div>\n<div>\n<div class=\"uk-card-body\">\n                <span class=\"uk-label\">Step 9<\/span><\/p>\n<h4 class=\"uk-margin-small-top\">Install New Backplane<\/h4>\n<p>Position the new backplane in the chassis. Systematically reconnect all the cables you removed in Step 8 <strong>first<\/strong>. Once all cables are securely plugged in, align the board and reinstall the 4 screws to mount it to the chassis.<\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<hr class=\"uk-divider-icon uk-margin-medium-top uk-margin-medium-bottom\">\n<h2>Section 4: Reassembly &#038; Installation<\/h2>\n<p>    <!-- Install Step 1 --><\/p>\n<div class=\"uk-card uk-card-default uk-grid-collapse uk-child-width-1-2@s uk-margin\" uk-grid>\n<div class=\"uk-card-media-left uk-flex uk-flex-middle\">\n            <img decoding=\"async\" src=\"https:\/\/support.epiloglaser.com\/wp-content\/uploads\/19k_cb_disconnect-scaled.png\" alt=\"Connecting control board harnessing\" class=\"uk-width-1-1\" style=\"border-top-left-radius: inherit; border-bottom-left-radius: inherit;\">\n        <\/div>\n<div>\n<div class=\"uk-card-body\">\n                <span class=\"uk-label\">Step 10<\/span><\/p>\n<h4 class=\"uk-margin-small-top\">Reconnect Control Board Harnessing<\/h4>\n<p>Carefully bring the control board (with its new SD card and battery) close to the mounting area and reconnect the wiring harnesses to the board.<\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<p>    <!-- Install Step 2 --><\/p>\n<div class=\"uk-card uk-card-default uk-grid-collapse uk-child-width-1-2@s uk-margin\" uk-grid>\n<div class=\"uk-card-media-left uk-flex uk-flex-middle\">\n            <img decoding=\"async\" src=\"https:\/\/support.epiloglaser.com\/wp-content\/uploads\/19k_control_removed-scaled.png\" alt=\"Pressing control board onto backplane\" class=\"uk-width-1-1\" style=\"border-top-left-radius: inherit; border-bottom-left-radius: inherit;\">\n        <\/div>\n<div>\n<div class=\"uk-card-body\">\n                <span class=\"uk-label\">Step 11<\/span><\/p>\n<h4 class=\"uk-margin-small-top\">Seat Control Board<\/h4>\n<p>Center the control board directly above the screw holes. Press down evenly and firmly to ensure the board makes a solid connection to the newly installed backplane.<\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<p>    <!-- Install Step 3 --><\/p>\n<div class=\"uk-card uk-card-default uk-grid-collapse uk-child-width-1-2@s uk-margin\" uk-grid>\n<div class=\"uk-card-media-left uk-flex uk-flex-middle\">\n            <img decoding=\"async\" src=\"https:\/\/support.epiloglaser.com\/wp-content\/uploads\/19k_cb_screws-scaled.png\" alt=\"Securing control board screws\" class=\"uk-width-1-1\" style=\"border-top-left-radius: inherit; border-bottom-left-radius: inherit;\">\n        <\/div>\n<div>\n<div class=\"uk-card-body\">\n                <span class=\"uk-label\">Step 12<\/span><\/p>\n<h4 class=\"uk-margin-small-top\">Secure Control Board<\/h4>\n<p>Reinstall and tighten the 4 screws to secure the fully seated control board to the chassis.<\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<p>    <!-- Install Step 4 --><\/p>\n<div class=\"uk-card uk-card-default uk-grid-collapse uk-child-width-1-2@s uk-margin\" uk-grid>\n<div class=\"uk-card-media-left uk-flex uk-flex-middle\">\n            <img decoding=\"async\" src=\"https:\/\/support.epiloglaser.com\/wp-content\/uploads\/19k_remove_right-scaled.png\" alt=\"Replacing right side panel\" class=\"uk-width-1-1\" style=\"border-top-left-radius: inherit; border-bottom-left-radius: inherit;\">\n        <\/div>\n<div>\n<div class=\"uk-card-body\">\n                <span class=\"uk-label\">Step 13<\/span><\/p>\n<h4 class=\"uk-margin-small-top\">Replace Side Panel<\/h4>\n<p>Reinstall and secure the right side panel of the machine.<\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<p>    <!-- Final Test --><\/p>\n<div class=\"uk-card uk-card-default uk-card-body uk-margin-large-top uk-border-rounded\" style=\"border-left: 4px solid #1e87f0;\">\n<div class=\"uk-flex uk-flex-middle\">\n            <span uk-icon=\"icon: check; ratio: 2\" class=\"uk-text-primary uk-margin-medium-right\"><\/span><\/p>\n<div>\n<h3 class=\"uk-card-title uk-margin-remove-bottom\">Final Verification<\/h3>\n<p class=\"uk-margin-small-top uk-margin-remove-bottom\">Plug the machine back into the wall outlet and power it on. Verify that the touch screen boots up normally and the machine successfully initializes, indicating the new board, SD card, battery, and backplane are all communicating correctly.<\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>This guide provides step-by-step technical instructions for replacing the control board, SD card, coin battery, and backplane on your Ascent laser system. Safety First: Ensure the laser system is completely powered off and the main power cord is unplugged from the wall outlet before touching or disconnecting any internal electronics. Do not touch any exposed [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[561,557],"tags":[],"laser_machine":[575],"post_folder":[],"class_list":["post-22407","post","type-post","status-publish","format-standard","hentry","category-control-circuit-boards","category-service-and-repair","laser_machine-fusion-ascent"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.0 (Yoast SEO v28.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Control Board - SD Card - Coin Battery - Backplane - Epilog Support Center<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/support.epiloglaser.com\/staging\/laser-machine\/fusion-ascent\/control-circuit-boards\/control-board-sd-card-coin-battery-backplane\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Control Board - SD Card - Coin Battery - Backplane\" \/>\n<meta property=\"og:description\" content=\"This guide provides step-by-step technical instructions for replacing the control board, SD card, coin battery, and backplane on your Ascent laser system. Safety First: Ensure the laser system is completely powered off and the main power cord is unplugged from the wall outlet before touching or disconnecting any internal electronics. Do not touch any exposed [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/support.epiloglaser.com\/staging\/laser-machine\/fusion-ascent\/control-circuit-boards\/control-board-sd-card-coin-battery-backplane\/\" \/>\n<meta property=\"og:site_name\" content=\"Epilog Support Center\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/epiloglaser\" \/>\n<meta property=\"article:published_time\" content=\"2026-07-27T19:11:50+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-07-29T15:36:52+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/support.epiloglaser.com\/wp-content\/uploads\/19k_remove_right-scaled.png\" \/>\n<meta name=\"author\" content=\"Tyler Brock\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@epiloglaser\" \/>\n<meta name=\"twitter:site\" content=\"@epiloglaser\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Tyler Brock\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/support.epiloglaser.com\\\/staging\\\/laser-machine\\\/fusion-ascent\\\/control-circuit-boards\\\/control-board-sd-card-coin-battery-backplane\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/support.epiloglaser.com\\\/staging\\\/laser-machine\\\/fusion-ascent\\\/control-circuit-boards\\\/control-board-sd-card-coin-battery-backplane\\\/\"},\"author\":{\"name\":\"Tyler Brock\",\"@id\":\"https:\\\/\\\/support.epiloglaser.com\\\/staging\\\/#\\\/schema\\\/person\\\/db690367f94e26f7d0b8f3bb258d4cdd\"},\"headline\":\"Control Board &#8211; 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