{"id":805,"date":"2025-02-23T19:36:41","date_gmt":"2025-02-23T11:36:41","guid":{"rendered":"https:\/\/www.ddzheng.cc\/?page_id=805"},"modified":"2025-02-24T01:55:35","modified_gmt":"2025-02-23T17:55:35","slug":"srjv-lot-no-1-modification-for-jv-80-880","status":"publish","type":"page","link":"https:\/\/www.ddzheng.cc\/?page_id=805","title":{"rendered":"SRJV Lot No. 1 Modification for JV-80\/880"},"content":{"rendered":"<h2 class=\"wp-block-heading\" id=\"whats-involved\">What&#8217;s Involved<\/h2>\n\n\n<p>Soldering, SMT soldering, de-soldering (optional)<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"material-and-tools-required\">Material and Tools Required<\/h2>\n\n\n<ul class=\"wp-block-list\">\n<li><strong>One of any<\/strong> below material:\n<ul class=\"wp-block-list\">\n<li>1x SMT resistor in 0603 or 0805 package, range 0 Ohm to 10 kOhm<\/li>\n\n\n\n<li>1x through hole resistor range 1 kOhm to 10 kOhm<\/li>\n\n\n\n<li>thin wire<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Soldering equipment<\/li>\n<\/ul>\n\n\n<h2 class=\"wp-block-heading\" id=\"operation-steps\">Operation Steps<\/h2>\n\n\n<ol class=\"wp-block-list\">\n<li>Desolder or destroy U2. Discard U2<\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1920\" height=\"1440\" src=\"https:\/\/www.ddzheng.cc\/wp-content\/uploads\/2025\/02\/IMG_20250223_184707.jpg\" alt=\"\" class=\"wp-image-808\" srcset=\"https:\/\/www.ddzheng.cc\/wp-content\/uploads\/2025\/02\/IMG_20250223_184707.jpg 1920w, https:\/\/www.ddzheng.cc\/wp-content\/uploads\/2025\/02\/IMG_20250223_184707-1200x900.jpg 1200w, https:\/\/www.ddzheng.cc\/wp-content\/uploads\/2025\/02\/IMG_20250223_184707-512x384.jpg 512w, https:\/\/www.ddzheng.cc\/wp-content\/uploads\/2025\/02\/IMG_20250223_184707-768x576.jpg 768w, https:\/\/www.ddzheng.cc\/wp-content\/uploads\/2025\/02\/IMG_20250223_184707-1536x1152.jpg 1536w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\" \/><\/figure>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li>Depending on material available, do <strong>one of<\/strong> the following:<\/li>\n<\/ol>\n\n\n\n<ul start=\"2\" class=\"wp-block-list\">\n<li>If you have thin wire: Solder a wire link between <strong>inside pad of R1<\/strong> and <strong>pin 3 of U2<\/strong> (or inside pad of C7, if you destroyed the pads of U2 along with its body). Finish.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1920\" height=\"1440\" src=\"https:\/\/www.ddzheng.cc\/wp-content\/uploads\/2025\/02\/IMG_20250223_191030-rotated.jpg\" alt=\"\" class=\"wp-image-807\" srcset=\"https:\/\/www.ddzheng.cc\/wp-content\/uploads\/2025\/02\/IMG_20250223_191030-rotated.jpg 1920w, https:\/\/www.ddzheng.cc\/wp-content\/uploads\/2025\/02\/IMG_20250223_191030-1200x900.jpg 1200w, https:\/\/www.ddzheng.cc\/wp-content\/uploads\/2025\/02\/IMG_20250223_191030-512x384.jpg 512w, https:\/\/www.ddzheng.cc\/wp-content\/uploads\/2025\/02\/IMG_20250223_191030-768x576.jpg 768w, https:\/\/www.ddzheng.cc\/wp-content\/uploads\/2025\/02\/IMG_20250223_191030-1536x1152.jpg 1536w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li>If you have suitable SMT resistor: Solder a suitable (0603 or 0805, 0R to 10k) SMT resistor <strong>between pin 2 and pin 3 of U2<\/strong>. This can be done easily with hot air gun. 5.1k 0603 resistor shown. Finish.<\/li>\n<\/ul>\n\n\n\n<ul start=\"2\" class=\"wp-block-list\">\n<li><\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1920\" height=\"1440\" src=\"https:\/\/www.ddzheng.cc\/wp-content\/uploads\/2025\/02\/IMG_20250223_185150.jpg\" alt=\"\" class=\"wp-image-809\" srcset=\"https:\/\/www.ddzheng.cc\/wp-content\/uploads\/2025\/02\/IMG_20250223_185150.jpg 1920w, https:\/\/www.ddzheng.cc\/wp-content\/uploads\/2025\/02\/IMG_20250223_185150-1200x900.jpg 1200w, https:\/\/www.ddzheng.cc\/wp-content\/uploads\/2025\/02\/IMG_20250223_185150-512x384.jpg 512w, https:\/\/www.ddzheng.cc\/wp-content\/uploads\/2025\/02\/IMG_20250223_185150-768x576.jpg 768w, https:\/\/www.ddzheng.cc\/wp-content\/uploads\/2025\/02\/IMG_20250223_185150-1536x1152.jpg 1536w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\" \/><\/figure>\n\n\n\n<ul start=\"2\" class=\"wp-block-list\">\n<li>If you have suitable through hole resistor: Solder a suitable (1k to 10k) through hole resistor between <strong>C8\/C9&#8217;s inside pad<\/strong> to <strong>&#8220;RST&#8221; pad<\/strong> on production header. Finish.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1920\" height=\"1440\" src=\"https:\/\/www.ddzheng.cc\/wp-content\/uploads\/2025\/02\/IMG_20250223_185541.jpg\" alt=\"\" class=\"wp-image-810\" srcset=\"https:\/\/www.ddzheng.cc\/wp-content\/uploads\/2025\/02\/IMG_20250223_185541.jpg 1920w, https:\/\/www.ddzheng.cc\/wp-content\/uploads\/2025\/02\/IMG_20250223_185541-1200x900.jpg 1200w, https:\/\/www.ddzheng.cc\/wp-content\/uploads\/2025\/02\/IMG_20250223_185541-512x384.jpg 512w, https:\/\/www.ddzheng.cc\/wp-content\/uploads\/2025\/02\/IMG_20250223_185541-768x576.jpg 768w, https:\/\/www.ddzheng.cc\/wp-content\/uploads\/2025\/02\/IMG_20250223_185541-1536x1152.jpg 1536w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\" \/><\/figure>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>What&#8217;s Involved Soldering, SMT soldering, de-soldering (optional) Material and Tools Required Operation Steps<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-805","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.ddzheng.cc\/index.php?rest_route=\/wp\/v2\/pages\/805","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ddzheng.cc\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.ddzheng.cc\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.ddzheng.cc\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ddzheng.cc\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=805"}],"version-history":[{"count":8,"href":"https:\/\/www.ddzheng.cc\/index.php?rest_route=\/wp\/v2\/pages\/805\/revisions"}],"predecessor-version":[{"id":826,"href":"https:\/\/www.ddzheng.cc\/index.php?rest_route=\/wp\/v2\/pages\/805\/revisions\/826"}],"wp:attachment":[{"href":"https:\/\/www.ddzheng.cc\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=805"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}