{"id":61168,"date":"2021-08-21T07:27:41","date_gmt":"2021-08-21T14:27:41","guid":{"rendered":"https:\/\/www.stevenrhine.com\/?p=61168"},"modified":"2026-01-24T15:38:22","modified_gmt":"2026-01-24T23:38:22","slug":"hakko-fm-203-teardown","status":"publish","type":"post","link":"https:\/\/www.stevenrhine.com\/?p=61168","title":{"rendered":"2024 Update Hakko FM-203 Teardown W\/ Temperature Control Key Bypass Firmware Backup"},"content":{"rendered":"<h2 style=\"text-align: left;\">Hakko FM-203 Dual Soldering Station Teardown W\/ Temperature Control Key Bypass!<\/h2>\n<p><span style=\"color: #ff0000;\"><strong>December 01 2024 Added Firmware Backup Info!<\/strong><\/span><\/p>\n<p style=\"text-align: left;\">Here is a <a href=\"https:\/\/youtu.be\/9JJvjJ5gGQw\">YouTube Video<\/a> If the Hakko FM-203 Teardown<\/p>\n<p><iframe title=\"Hakko FM-203 Dual Soldering Station Teardown and Temperature Key \/ Control Card Bypass.\" width=\"640\" height=\"360\" src=\"https:\/\/www.youtube.com\/embed\/9JJvjJ5gGQw?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/p>\n<h2 style=\"text-align: left;\">Photos of the Teardown.<br \/>\n<a href=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_055351-scaled.jpg\"><img decoding=\"async\" class=\"alignnone wp-image-61230\" src=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_055351-1024x576.jpg\" alt=\"Hakko FM-203 Dual Soldering Disassembled (Teardown)\" width=\"500\" height=\"281\" srcset=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_055351-1024x576.jpg 1024w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_055351-300x169.jpg 300w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_055351-768x432.jpg 768w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_055351-1536x864.jpg 1536w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_055351-2048x1152.jpg 2048w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><\/a><\/h2>\n<p style=\"text-align: left;\"><strong>The Hakko FM-203<\/strong><br \/>\n<a href=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_064029-scaled.jpg\"><img decoding=\"async\" class=\"alignnone wp-image-61169\" src=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_064029-1024x576.jpg\" alt=\"Hakko FM-203 Dual Soldering Station\" width=\"500\" height=\"281\" srcset=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_064029-1024x576.jpg 1024w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_064029-300x169.jpg 300w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_064029-768x432.jpg 768w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_064029-1536x864.jpg 1536w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_064029-2048x1152.jpg 2048w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><\/a><br \/>\n<strong>FM-202 and FM-203 Size Comparison<\/strong><br \/>\n<a href=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_062843-scaled.jpg\"><img decoding=\"async\" class=\"alignnone wp-image-61170 size-medium\" src=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_062843-300x169.jpg\" alt=\"Hakko FM-203 Dual Soldering Station Vs FM-202 Front\" width=\"300\" height=\"169\" srcset=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_062843-300x169.jpg 300w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_062843-1024x576.jpg 1024w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_062843-768x432.jpg 768w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_062843-1536x864.jpg 1536w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_062843-2048x1152.jpg 2048w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a> <a href=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_062848-scaled.jpg\"><img decoding=\"async\" class=\"alignnone wp-image-61171 size-medium\" src=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_062848-300x169.jpg\" alt=\"Hakko FM-203 Dual Soldering Station Vs FM-202 Top\" width=\"300\" height=\"169\" srcset=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_062848-300x169.jpg 300w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_062848-1024x576.jpg 1024w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_062848-768x432.jpg 768w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_062848-1536x864.jpg 1536w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_062848-2048x1152.jpg 2048w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><br \/>\n<a href=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_062905-scaled.jpg\"><img decoding=\"async\" class=\"alignnone wp-image-61172 size-medium\" src=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_062905-300x169.jpg\" alt=\"Hakko FM-203 Dual Soldering Station Vs FM-202 Back\" width=\"300\" height=\"169\" srcset=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_062905-300x169.jpg 300w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_062905-1024x576.jpg 1024w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_062905-768x432.jpg 768w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_062905-1536x864.jpg 1536w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_062905-2048x1152.jpg 2048w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a> <a href=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_062924-scaled.jpg\"><img decoding=\"async\" class=\"alignnone wp-image-61173 size-medium\" src=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_062924-300x169.jpg\" alt=\"Hakko FM-203 Dual Soldering Station Vs FM-202 Side\" width=\"300\" height=\"169\" srcset=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_062924-300x169.jpg 300w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_062924-1024x576.jpg 1024w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_062924-768x432.jpg 768w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_062924-1536x864.jpg 1536w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_062924-2048x1152.jpg 2048w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p style=\"text-align: left;\"><a href=\"https:\/\/www.stevenrhine.com\/?p=13371\">Click Here to See The Hakko FM-202 Teardown<\/a><\/p>\n<p><strong>Cover Off<\/strong><br \/>\n<a href=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_060810-scaled.jpg\"><img decoding=\"async\" class=\"alignnone wp-image-61176 size-medium\" src=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_060810-300x169.jpg\" alt=\"Hakko FM-203 Dual Soldering Station Teardown Cover Off Right\" width=\"300\" height=\"169\" srcset=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_060810-300x169.jpg 300w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_060810-1024x576.jpg 1024w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_060810-768x432.jpg 768w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_060810-1536x864.jpg 1536w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_060810-2048x1152.jpg 2048w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a> <a href=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_060816-scaled.jpg\"><img decoding=\"async\" class=\"alignnone wp-image-61177 size-medium\" src=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_060816-300x169.jpg\" alt=\"Hakko FM-203 Dual Soldering Station Teardown Cover Off Left\" width=\"300\" height=\"169\" srcset=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_060816-300x169.jpg 300w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_060816-1024x576.jpg 1024w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_060816-768x432.jpg 768w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_060816-1536x864.jpg 1536w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_060816-2048x1152.jpg 2048w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p style=\"text-align: left;\"><strong>Face Plate Off<\/strong><br \/>\n<a href=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_060239-scaled.jpg\"><img decoding=\"async\" class=\"alignnone wp-image-61178 size-medium\" src=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_060239-300x169.jpg\" alt=\"Hakko FM-203 Dual Soldering Station Teardown Cover Top\" width=\"300\" height=\"169\" srcset=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_060239-300x169.jpg 300w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_060239-1024x576.jpg 1024w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_060239-768x432.jpg 768w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_060239-1536x864.jpg 1536w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_060239-2048x1152.jpg 2048w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a> <a href=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_060308-scaled.jpg\"><img decoding=\"async\" class=\"alignnone wp-image-61179 size-medium\" src=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_060308-300x169.jpg\" alt=\"\" width=\"300\" height=\"169\" srcset=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_060308-300x169.jpg 300w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_060308-1024x576.jpg 1024w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_060308-768x432.jpg 768w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_060308-1536x864.jpg 1536w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_060308-2048x1152.jpg 2048w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p style=\"text-align: left;\"><strong>Main Control Board M1285-A11 Removed Form Face Plate.<\/strong><br \/>\n<strong><a href=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_052244-scaled.jpg\"><img decoding=\"async\" class=\"alignnone wp-image-61180 size-medium\" src=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_052244-300x169.jpg\" alt=\"Hakko FM-203 Dual Soldering Station Teardown B3403 PCB In Fornt Cover B3400 \" width=\"300\" height=\"169\" srcset=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_052244-300x169.jpg 300w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_052244-1024x576.jpg 1024w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_052244-768x432.jpg 768w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_052244-1536x864.jpg 1536w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_052244-2048x1152.jpg 2048w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a> <a href=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_052716-scaled.jpg\"><img decoding=\"async\" class=\"alignnone wp-image-61181 size-medium\" src=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_052716-300x169.jpg\" alt=\"FM-203 M1285-A11 Control Board Removed Form Faceplate\" width=\"300\" height=\"169\" srcset=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_052716-300x169.jpg 300w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_052716-1024x576.jpg 1024w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_052716-768x432.jpg 768w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_052716-1536x864.jpg 1536w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_052716-2048x1152.jpg 2048w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/strong><br \/>\n<strong>Mail Control Board B3403 (Renesas R5F21258SNFP <span dir=\"ltr\" role=\"presentation\">R8C\/25 Group<\/span>) <\/strong><a href=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/192-16344-R5F21244SNFP.pdf\"><strong>Datasheet<\/strong><\/a><br \/>\n<a href=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_052400-scaled.jpg\"><img decoding=\"async\" class=\"alignnone wp-image-61183 size-medium\" src=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_052400-300x169.jpg\" alt=\"Hakko FM-203 Dual Soldering Station Teardown M1285-A11 MCU Side Renesas R5F21258SNFP\" width=\"300\" height=\"169\" srcset=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_052400-300x169.jpg 300w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_052400-1024x576.jpg 1024w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_052400-768x432.jpg 768w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_052400-1536x864.jpg 1536w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_052400-2048x1152.jpg 2048w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a> <a href=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_052349-scaled.jpg\"><img decoding=\"async\" class=\"alignnone wp-image-61182 size-medium\" src=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_052349-300x169.jpg\" alt=\"Hakko FM-203 Dual Soldering Station Teardown Control Board M1285-A11 Front\" width=\"300\" height=\"169\" srcset=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_052349-300x169.jpg 300w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_052349-1024x576.jpg 1024w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_052349-768x432.jpg 768w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_052349-1536x864.jpg 1536w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_052349-2048x1152.jpg 2048w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>ISP Headder J4 Pinout.<\/p>\n<p>VSS Pin 1<br \/>\nMODE Pin 2<br \/>\nVCC Pin 3<br \/>\nReset Pin 4<\/p>\n<p>I attempted to back up the Hakko FM-203&#8217;s\u00a0 firmware form the Renesas R5F21258SNFP using the in-circuit headder, but unfortunately, it&#8217;s locked with an ID code. Consequently, I have no choice but to remove the 52 pin quad flat pack chip to read it in parallel mode, utilizing the Xeltek SuperPro 6100N or Xeltek Suprpro 7500 taking a chance that it is not protected. Once I acquire the required programming adapter a <a href=\"https:\/\/www.hklrf.com\/DX3010-Adapter-for-XELTEK-SuperPro-6100N_5391.html\">DX3010<\/a>, DX3063 or a GX3010, I will promptly extract the firmware from chip.<br \/>\n<a href=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Xeltek-Hakko-FM-203-Renesas-R5F21258SNFP-R8C-Firmware.png\"><img decoding=\"async\" class=\"alignnone wp-image-131181 size-medium\" src=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Xeltek-Hakko-FM-203-Renesas-R5F21258SNFP-R8C-Firmware-300x293.png\" alt=\"\" width=\"300\" height=\"293\" srcset=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Xeltek-Hakko-FM-203-Renesas-R5F21258SNFP-R8C-Firmware-300x293.png 300w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Xeltek-Hakko-FM-203-Renesas-R5F21258SNFP-R8C-Firmware-768x749.png 768w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Xeltek-Hakko-FM-203-Renesas-R5F21258SNFP-R8C-Firmware.png 888w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a> <a href=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM-203-Firmware-R5F21258SNFP-Xeltek-Read-Parallel-Mode-Right-to-Repair.png\"><img decoding=\"async\" class=\"alignnone wp-image-134392 size-medium\" src=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM-203-Firmware-R5F21258SNFP-Xeltek-Read-Parallel-Mode-Right-to-Repair-267x300.png\" alt=\"\" width=\"267\" height=\"300\" srcset=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM-203-Firmware-R5F21258SNFP-Xeltek-Read-Parallel-Mode-Right-to-Repair-267x300.png 267w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM-203-Firmware-R5F21258SNFP-Xeltek-Read-Parallel-Mode-Right-to-Repair-768x862.png 768w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM-203-Firmware-R5F21258SNFP-Xeltek-Read-Parallel-Mode-Right-to-Repair.png 780w\" sizes=\"(max-width: 267px) 100vw, 267px\" \/><\/a><br \/>\nI now have mega Magic Adapter for the Xeltek Programmer Just need to Order a QFP52 Socket.<br \/>\n<a href=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM-203-QFP-52-Xeltek-6100N-DX3063-Magic-Chip-Adapter-scaled.jpg\"><img decoding=\"async\" class=\"alignnone wp-image-134511\" src=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM-203-QFP-52-Xeltek-6100N-DX3063-Magic-Chip-Adapter-1024x576.jpg\" alt=\"\" width=\"500\" height=\"281\" srcset=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM-203-QFP-52-Xeltek-6100N-DX3063-Magic-Chip-Adapter-1024x576.jpg 1024w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM-203-QFP-52-Xeltek-6100N-DX3063-Magic-Chip-Adapter-300x169.jpg 300w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM-203-QFP-52-Xeltek-6100N-DX3063-Magic-Chip-Adapter-768x432.jpg 768w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM-203-QFP-52-Xeltek-6100N-DX3063-Magic-Chip-Adapter-1536x864.jpg 1536w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM-203-QFP-52-Xeltek-6100N-DX3063-Magic-Chip-Adapter-2048x1152.jpg 2048w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><\/a><br \/>\n11\/20\/2024 I have Changed Plans I am not going to spend the 60+ on a QFP52 socket on a Gamble that the MCU is not locked. I made a break out board and will solder the QFP-52 to the board and attempt the backup that way.<br \/>\n<a href=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/HAKKO_FM-203_R5F21258SNFP_Firmware_Backup_TQFP52_Programigng_Adapter_Baord.png\"><img decoding=\"async\" class=\"alignnone wp-image-135242\" src=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/HAKKO_FM-203_R5F21258SNFP_Firmware_Backup_TQFP52_Programigng_Adapter_Baord-1024x937.png\" alt=\"\" width=\"300\" height=\"275\" srcset=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/HAKKO_FM-203_R5F21258SNFP_Firmware_Backup_TQFP52_Programigng_Adapter_Baord-1024x937.png 1024w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/HAKKO_FM-203_R5F21258SNFP_Firmware_Backup_TQFP52_Programigng_Adapter_Baord-300x275.png 300w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/HAKKO_FM-203_R5F21258SNFP_Firmware_Backup_TQFP52_Programigng_Adapter_Baord-768x703.png 768w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/HAKKO_FM-203_R5F21258SNFP_Firmware_Backup_TQFP52_Programigng_Adapter_Baord-1536x1406.png 1536w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/HAKKO_FM-203_R5F21258SNFP_Firmware_Backup_TQFP52_Programigng_Adapter_Baord-2048x1874.png 2048w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><br \/>\nTQFP Adapter Boards Arrived.. November 2024!!<br \/>\n<a href=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM-203-Firmware-Backup-Adapter-Board-For-TQFP52-Renasas-R5F21258SNFP-scaled.jpg\"><img decoding=\"async\" class=\"alignnone wp-image-135284\" src=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM-203-Firmware-Backup-Adapter-Board-For-TQFP52-Renasas-R5F21258SNFP-1024x578.jpg\" alt=\"\" width=\"500\" height=\"282\" srcset=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM-203-Firmware-Backup-Adapter-Board-For-TQFP52-Renasas-R5F21258SNFP-1024x578.jpg 1024w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM-203-Firmware-Backup-Adapter-Board-For-TQFP52-Renasas-R5F21258SNFP-300x169.jpg 300w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM-203-Firmware-Backup-Adapter-Board-For-TQFP52-Renasas-R5F21258SNFP-768x433.jpg 768w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM-203-Firmware-Backup-Adapter-Board-For-TQFP52-Renasas-R5F21258SNFP-1536x866.jpg 1536w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM-203-Firmware-Backup-Adapter-Board-For-TQFP52-Renasas-R5F21258SNFP-2048x1155.jpg 2048w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><\/a><br \/>\nFirmware Backup&#8230; Attempt In System. And Hakko Being Anti &#8211; Repair<\/p>\n<p><iframe title=\"Hakko, Anti Right to Repair No Schematics No Firmware Attorney General Investigates\" width=\"640\" height=\"360\" src=\"https:\/\/www.youtube.com\/embed\/FSS9LmRjOhU?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/p>\n<p>Attempts on the Segger Flasher Pro and the IS01 Was Not Default ID FF or 00 (See\u00a0 Data Below) Were Unsuccessful.<\/p>\n<p>Xeltek Requires you to edit the Buffer Address Below.<br \/>\n<a href=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM-203-Firmware-Backup-TQFP52-Renasas-R5F21258SNFP-ISP-ID-Code-Addresses-Xeltek-IS01.png\"><img decoding=\"async\" class=\"alignnone wp-image-135293\" src=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM-203-Firmware-Backup-TQFP52-Renasas-R5F21258SNFP-ISP-ID-Code-Addresses-Xeltek-IS01.png\" alt=\"\" width=\"500\" height=\"56\" srcset=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM-203-Firmware-Backup-TQFP52-Renasas-R5F21258SNFP-ISP-ID-Code-Addresses-Xeltek-IS01.png 721w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM-203-Firmware-Backup-TQFP52-Renasas-R5F21258SNFP-ISP-ID-Code-Addresses-Xeltek-IS01-300x34.png 300w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><\/a><br \/>\nSegger Makes it simple to enter the Flash ID Code in the Config.<br \/>\n<a href=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM-203-Firmware-Backup-TQFP52-Renasas-R5F21258SNFP-ISP-ID-Code-Addresses-Segger-Flasher-Ppro.png\"><img decoding=\"async\" class=\"alignnone wp-image-135305\" src=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM-203-Firmware-Backup-TQFP52-Renasas-R5F21258SNFP-ISP-ID-Code-Addresses-Segger-Flasher-Ppro.png\" alt=\"\" width=\"500\" height=\"544\" srcset=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM-203-Firmware-Backup-TQFP52-Renasas-R5F21258SNFP-ISP-ID-Code-Addresses-Segger-Flasher-Ppro.png 824w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM-203-Firmware-Backup-TQFP52-Renasas-R5F21258SNFP-ISP-ID-Code-Addresses-Segger-Flasher-Ppro-276x300.png 276w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM-203-Firmware-Backup-TQFP52-Renasas-R5F21258SNFP-ISP-ID-Code-Addresses-Segger-Flasher-Ppro-768x836.png 768w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><\/a><\/p>\n<p>Segger Flasher Pro Results: Fail ID Pwd Mismatch<br \/>\n<a href=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM-203-Firmware-Backup-Adapter-Board-For-TQFP52-Renasas-R5F21258SNFP-Segger-Flasher-Pro-Fail.png\"><img decoding=\"async\" class=\"alignnone wp-image-135308\" src=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM-203-Firmware-Backup-Adapter-Board-For-TQFP52-Renasas-R5F21258SNFP-Segger-Flasher-Pro-Fail-1024x920.png\" alt=\"\" width=\"500\" height=\"449\" srcset=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM-203-Firmware-Backup-Adapter-Board-For-TQFP52-Renasas-R5F21258SNFP-Segger-Flasher-Pro-Fail-1024x920.png 1024w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM-203-Firmware-Backup-Adapter-Board-For-TQFP52-Renasas-R5F21258SNFP-Segger-Flasher-Pro-Fail-300x269.png 300w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM-203-Firmware-Backup-Adapter-Board-For-TQFP52-Renasas-R5F21258SNFP-Segger-Flasher-Pro-Fail-768x690.png 768w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM-203-Firmware-Backup-Adapter-Board-For-TQFP52-Renasas-R5F21258SNFP-Segger-Flasher-Pro-Fail.png 1422w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><\/a><br \/>\nXeltek Is01 Results: Fail ID Code Error.<br \/>\n<a href=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM-203-Firmware-Backup-Adapter-Board-For-TQFP52-Renasas-R5F21258SNFP-Xeltek-IS01-Fail-ID-Error.png\"><img decoding=\"async\" class=\"alignnone wp-image-135287\" src=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM-203-Firmware-Backup-Adapter-Board-For-TQFP52-Renasas-R5F21258SNFP-Xeltek-IS01-Fail-ID-Error-1024x763.png\" alt=\"\" width=\"500\" height=\"373\" srcset=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM-203-Firmware-Backup-Adapter-Board-For-TQFP52-Renasas-R5F21258SNFP-Xeltek-IS01-Fail-ID-Error-1024x763.png 1024w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM-203-Firmware-Backup-Adapter-Board-For-TQFP52-Renasas-R5F21258SNFP-Xeltek-IS01-Fail-ID-Error-300x224.png 300w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM-203-Firmware-Backup-Adapter-Board-For-TQFP52-Renasas-R5F21258SNFP-Xeltek-IS01-Fail-ID-Error-768x572.png 768w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM-203-Firmware-Backup-Adapter-Board-For-TQFP52-Renasas-R5F21258SNFP-Xeltek-IS01-Fail-ID-Error.png 1253w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><\/a><\/p>\n<p style=\"text-align: left;\">This leave only 1 Option chip off Read, So I Removed the Renasas R5F21258SNFP MCU from the Hakko FM-203&#8217;s Main Board and Soldered to the Adapter Board.<br \/>\n<a href=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM-203-Firmware-Backup-Adapter-Board-For-TQFP52-Renasas-R5F21258SNFP-ON-Adapter-Read-Attampt-With-Xeltek-scaled.jpg\"><img decoding=\"async\" class=\"alignnone wp-image-135285\" src=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM-203-Firmware-Backup-Adapter-Board-For-TQFP52-Renasas-R5F21258SNFP-ON-Adapter-Read-Attampt-With-Xeltek-1024x576.jpg\" alt=\"\" width=\"500\" height=\"281\" srcset=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM-203-Firmware-Backup-Adapter-Board-For-TQFP52-Renasas-R5F21258SNFP-ON-Adapter-Read-Attampt-With-Xeltek-1024x576.jpg 1024w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM-203-Firmware-Backup-Adapter-Board-For-TQFP52-Renasas-R5F21258SNFP-ON-Adapter-Read-Attampt-With-Xeltek-300x169.jpg 300w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM-203-Firmware-Backup-Adapter-Board-For-TQFP52-Renasas-R5F21258SNFP-ON-Adapter-Read-Attampt-With-Xeltek-768x432.jpg 768w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM-203-Firmware-Backup-Adapter-Board-For-TQFP52-Renasas-R5F21258SNFP-ON-Adapter-Read-Attampt-With-Xeltek-1536x864.jpg 1536w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM-203-Firmware-Backup-Adapter-Board-For-TQFP52-Renasas-R5F21258SNFP-ON-Adapter-Read-Attampt-With-Xeltek-2048x1152.jpg 2048w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><\/a><\/p>\n<p>Hakko FM-203 Sodlering Station MCU Firmware Backup and In System Programing Code Recovery Attempt.<\/p>\n<p><iframe title=\"Hakko FM-203 Firmware Backup and ID Code Recovery Attempt #righttorepair\" width=\"640\" height=\"360\" src=\"https:\/\/www.youtube.com\/embed\/F3vQnaCocdQ?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/p>\n<p>The off board backup attempt was a successful.<br \/>\n<a href=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM-203-Firmware-Backup-TQFP52-Renasas-R5F21258SNFP-Successful-2F2FFH.png\"><img decoding=\"async\" class=\"alignnone wp-image-135289\" src=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM-203-Firmware-Backup-TQFP52-Renasas-R5F21258SNFP-Successful-2F2FFH-1024x776.png\" alt=\"Hakko FM-203 Firmware Backup TQFP52 Renasas R5F21258SNFP Successful \" width=\"500\" height=\"379\" srcset=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM-203-Firmware-Backup-TQFP52-Renasas-R5F21258SNFP-Successful-2F2FFH-1024x776.png 1024w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM-203-Firmware-Backup-TQFP52-Renasas-R5F21258SNFP-Successful-2F2FFH-300x227.png 300w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM-203-Firmware-Backup-TQFP52-Renasas-R5F21258SNFP-Successful-2F2FFH-768x582.png 768w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM-203-Firmware-Backup-TQFP52-Renasas-R5F21258SNFP-Successful-2F2FFH.png 1177w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><\/a><br \/>\nHere is Some Buffer Data.. Recovery of the ISP key look at addresses 0xffdf, 48 0xffe3, 4B 0xffeb, 30 0xffef, 30 0xfff3, 32 0xfff7, 35 0xfffb, 36 This Info is No longer Proprietary and Confidential!!<br \/>\n<a href=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM-203-Firmware-Backup-TQFP52-Renasas-R5F21258SNFP-Successful-Data.png\"><img decoding=\"async\" class=\"alignnone wp-image-135290\" src=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM-203-Firmware-Backup-TQFP52-Renasas-R5F21258SNFP-Successful-Data-1024x761.png\" alt=\"Hakko FM-203 Firmware Backup TQFP52 Renasas R5F21258SNFP SuccessFul ISP ID Code\" width=\"500\" height=\"372\" srcset=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM-203-Firmware-Backup-TQFP52-Renasas-R5F21258SNFP-Successful-Data-1024x761.png 1024w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM-203-Firmware-Backup-TQFP52-Renasas-R5F21258SNFP-Successful-Data-300x223.png 300w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM-203-Firmware-Backup-TQFP52-Renasas-R5F21258SNFP-Successful-Data-768x571.png 768w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM-203-Firmware-Backup-TQFP52-Renasas-R5F21258SNFP-Successful-Data.png 1063w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><\/a><br \/>\nI have Tested the ID Code With the <a href=\"https:\/\/www.segger.com\/products\/production\/flasher\/models\/flasher-pro\/\">Segger Flasher Pro<\/a> on my other FM-203 Flasher Pro Basic Config.<br \/>\n<a href=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM-203-Firmware-Backup-Adapter-Board-For-TQFP52-Renasas-R5F21258SNFP-Segger-Flasher-Pro-ID-Code.png\"><img decoding=\"async\" class=\"alignnone wp-image-135313\" src=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM-203-Firmware-Backup-Adapter-Board-For-TQFP52-Renasas-R5F21258SNFP-Segger-Flasher-Pro-ID-Code-1024x879.png\" alt=\"\" width=\"500\" height=\"429\" srcset=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM-203-Firmware-Backup-Adapter-Board-For-TQFP52-Renasas-R5F21258SNFP-Segger-Flasher-Pro-ID-Code-1024x879.png 1024w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM-203-Firmware-Backup-Adapter-Board-For-TQFP52-Renasas-R5F21258SNFP-Segger-Flasher-Pro-ID-Code-300x257.png 300w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM-203-Firmware-Backup-Adapter-Board-For-TQFP52-Renasas-R5F21258SNFP-Segger-Flasher-Pro-ID-Code-768x659.png 768w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM-203-Firmware-Backup-Adapter-Board-For-TQFP52-Renasas-R5F21258SNFP-Segger-Flasher-Pro-ID-Code.png 1163w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><\/a><br \/>\nWhen Reading to File it Says Sending ID Password and it worked Flawlessly<br \/>\n<a href=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM-203-Firmware-Backup-Adapter-Board-For-TQFP52-Renasas-R5F21258SNFP-Segger-Flasher-Pro-ID-Accepted-Read-Started.png\"><img decoding=\"async\" class=\"alignnone wp-image-135311\" src=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM-203-Firmware-Backup-Adapter-Board-For-TQFP52-Renasas-R5F21258SNFP-Segger-Flasher-Pro-ID-Accepted-Read-Started-1024x888.png\" alt=\"\" width=\"500\" height=\"434\" srcset=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM-203-Firmware-Backup-Adapter-Board-For-TQFP52-Renasas-R5F21258SNFP-Segger-Flasher-Pro-ID-Accepted-Read-Started-1024x888.png 1024w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM-203-Firmware-Backup-Adapter-Board-For-TQFP52-Renasas-R5F21258SNFP-Segger-Flasher-Pro-ID-Accepted-Read-Started-300x260.png 300w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM-203-Firmware-Backup-Adapter-Board-For-TQFP52-Renasas-R5F21258SNFP-Segger-Flasher-Pro-ID-Accepted-Read-Started-768x666.png 768w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM-203-Firmware-Backup-Adapter-Board-For-TQFP52-Renasas-R5F21258SNFP-Segger-Flasher-Pro-ID-Accepted-Read-Started.png 1026w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><\/a><br \/>\nThe Read was Successful.<br \/>\n<a href=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM-203-Firmware-Backup-Adapter-Board-For-TQFP52-Renasas-R5F21258SNFP-Segger-Flasher-Pro-ID-Accepted-Read-Ok.png\"><img decoding=\"async\" class=\"alignnone wp-image-135312\" src=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM-203-Firmware-Backup-Adapter-Board-For-TQFP52-Renasas-R5F21258SNFP-Segger-Flasher-Pro-ID-Accepted-Read-Ok-1024x855.png\" alt=\"\" width=\"500\" height=\"417\" srcset=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM-203-Firmware-Backup-Adapter-Board-For-TQFP52-Renasas-R5F21258SNFP-Segger-Flasher-Pro-ID-Accepted-Read-Ok-1024x855.png 1024w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM-203-Firmware-Backup-Adapter-Board-For-TQFP52-Renasas-R5F21258SNFP-Segger-Flasher-Pro-ID-Accepted-Read-Ok-300x250.png 300w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM-203-Firmware-Backup-Adapter-Board-For-TQFP52-Renasas-R5F21258SNFP-Segger-Flasher-Pro-ID-Accepted-Read-Ok-768x641.png 768w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM-203-Firmware-Backup-Adapter-Board-For-TQFP52-Renasas-R5F21258SNFP-Segger-Flasher-Pro-ID-Accepted-Read-Ok.png 1422w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><\/a><\/p>\n<p>Both My Units are Firmware V2.00 a Friend says he will bring his FM-203 over and we can get a backup of his firmware. Lets hope the code is good between the revisions, I am sure it is as most MFG&#8217;s will use the same code across the same models. Maybe <a href=\"https:\/\/hakkousa.com\/\">Hakko<\/a> will save us the trouble and provide it along with the schematics and end this war.<\/p>\n<p><a href=\"https:\/\/www.stevenrhine.com\/?p=135326\">Hakko Released the Firmware for the FM-203 December 2024<\/a><\/p>\n<p><span style=\"color: #ff0000;\">Update Jan 24th 2026<\/span><br \/>\nSince Hakko Still refuses to Make Available the Schematics I and has continuously denied or iginerd my Request for them Under <a href=\"https:\/\/app.leg.wa.gov\/RCW\/default.aspx?cite=19.415&amp;full=true\">Washington States Right to Repair Law RCW 19.415<\/a> I must now take on the unnecessary expense of reverse engineering this FM-203 to produce Schematics and Bill of Materials. This will take me a while but it is a simple board if any one wishes to attempt it I am making my data public.<\/p>\n<p>I have Started will try and do it non destructively. The 1St Step is X-ray the PCB for Easy Tracing.<\/p>\n<p>X-ray of the Hakko FM-203 Soldering Station CPU\/MCU Control Board.\u00a0 Standard and Inverted.<br \/>\n<a href=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM203-M1285-A11-PCB-X-Ray-Rhine-Labs-scaled.bmp\"><img decoding=\"async\" class=\"alignnone wp-image-138500 size-medium\" src=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM203-M1285-A11-PCB-X-Ray-Rhine-Labs-300x210.jpg\" alt=\"\" width=\"300\" height=\"210\" srcset=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM203-M1285-A11-PCB-X-Ray-Rhine-Labs-300x210.jpg 300w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM203-M1285-A11-PCB-X-Ray-Rhine-Labs-1024x716.jpg 1024w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM203-M1285-A11-PCB-X-Ray-Rhine-Labs-768x537.jpg 768w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM203-M1285-A11-PCB-X-Ray-Rhine-Labs-1536x1074.jpg 1536w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM203-M1285-A11-PCB-X-Ray-Rhine-Labs-2048x1432.jpg 2048w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a> <a href=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM203-M1285-A11-PCB-INV-X-Ray-Rhine-Labs--scaled.bmp\"><img decoding=\"async\" class=\"alignnone wp-image-138498 size-medium\" src=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM203-M1285-A11-PCB-INV-X-Ray-Rhine-Labs--300x210.jpg\" alt=\"\" width=\"300\" height=\"210\" srcset=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM203-M1285-A11-PCB-INV-X-Ray-Rhine-Labs--300x210.jpg 300w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM203-M1285-A11-PCB-INV-X-Ray-Rhine-Labs--1024x716.jpg 1024w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM203-M1285-A11-PCB-INV-X-Ray-Rhine-Labs--768x537.jpg 768w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM203-M1285-A11-PCB-INV-X-Ray-Rhine-Labs--1536x1074.jpg 1536w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/Hakko-FM203-M1285-A11-PCB-INV-X-Ray-Rhine-Labs--2048x1432.jpg 2048w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p><strong>Heater Control Board<\/strong><br \/>\n<a href=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_053836-scaled.jpg\"><img decoding=\"async\" class=\"alignnone wp-image-61224 size-medium\" src=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_053836-300x169.jpg\" alt=\"Hakko FM-203 M1285-A22 Heater Control Board\" width=\"300\" height=\"169\" srcset=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_053836-300x169.jpg 300w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_053836-1024x576.jpg 1024w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_053836-768x432.jpg 768w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_053836-1536x864.jpg 1536w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_053836-2048x1152.jpg 2048w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a> <a href=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_053859-scaled.jpg\"><img decoding=\"async\" class=\"alignnone wp-image-61225 size-medium\" src=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_053859-300x169.jpg\" alt=\"Hakko FM-203 M1285-A22 Heater Control Board With Heatsink\" width=\"300\" height=\"169\" srcset=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_053859-300x169.jpg 300w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_053859-1024x576.jpg 1024w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_053859-768x432.jpg 768w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_053859-1536x864.jpg 1536w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_053859-2048x1152.jpg 2048w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><br \/>\n<a href=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_053950-scaled.jpg\"><img decoding=\"async\" class=\"alignnone wp-image-61226 size-medium\" src=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_053950-300x169.jpg\" alt=\"Hakko FM-203 M1285-A22 Heater Control Board Back\" width=\"300\" height=\"169\" srcset=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_053950-300x169.jpg 300w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_053950-1024x576.jpg 1024w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_053950-768x432.jpg 768w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_053950-1536x864.jpg 1536w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_053950-2048x1152.jpg 2048w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p style=\"text-align: left;\">Temperature <strong class=\"product name product-item-name\">B2972 Control Card <\/strong> Key Bypass Place a thick Heatshrink over the Receivers PT1 &amp; PT2<br \/>\nI also Place a Piece of Clear Scotch Tape over the speaker to quiet the beep down.<br \/>\n<a href=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_053153-scaled.jpg\"><img decoding=\"async\" class=\"alignnone wp-image-61236\" src=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_053153-1024x576.jpg\" alt=\"Hakko FM-203 Dual Soldering Station Temperature Control Key Bypass!\" width=\"500\" height=\"281\" srcset=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_053153-1024x576.jpg 1024w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_053153-300x169.jpg 300w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_053153-768x432.jpg 768w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_053153-1536x864.jpg 1536w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_053153-2048x1152.jpg 2048w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><\/a><\/p>\n<p style=\"text-align: left;\">Hakko FM-203 Uses a Similar Heating Circuit M1285-A11 With Dual NEC 2SJ493&#8217;s (<a href=\"https:\/\/datasheetspdf.com\/pdf-file\/202004\/NEC\/2SJ493\/1\">Datasheet<\/a>) as the FM-202 for the D Port and Single For The S Port<br \/>\nThe FX-951 Uses a Single 2SJ534 (<a href=\"https:\/\/pdf1.alldatasheet.com\/datasheet-pdf\/view\/247252\/RENESAS\/2SJ534.html\">Datasheet<\/a>)<br \/>\n<a href=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_053638-scaled.jpg\"><img decoding=\"async\" class=\"alignnone wp-image-61227 size-medium\" src=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_053638-169x300.jpg\" alt=\"Hakko FM-203 Teardown M1285-A22 Heater Control Board Mosfets D Channel\" width=\"169\" height=\"300\" srcset=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_053638-169x300.jpg 169w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_053638-576x1024.jpg 576w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_053638-768x1365.jpg 768w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_053638-864x1536.jpg 864w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_053638-1152x2048.jpg 1152w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_053638-scaled.jpg 1440w\" sizes=\"(max-width: 169px) 100vw, 169px\" \/><\/a> <a href=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_053643-scaled.jpg\"><img decoding=\"async\" class=\"alignnone wp-image-61228 size-medium\" src=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_053643-169x300.jpg\" alt=\"Hakko FM-203 Teardown M1285-A22 Heater Control Board Mosfets S Channel\" width=\"169\" height=\"300\" srcset=\"https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_053643-169x300.jpg 169w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_053643-576x1024.jpg 576w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_053643-768x1365.jpg 768w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_053643-864x1536.jpg 864w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_053643-1152x2048.jpg 1152w, https:\/\/www.stevenrhine.com\/wp-content\/uploads\/2021\/08\/20210821_053643-scaled.jpg 1440w\" sizes=\"(max-width: 169px) 100vw, 169px\" \/><\/a><\/p>\n<p style=\"text-align: left;\">\n<div class=\"pld-like-dislike-wrap pld-template-1\">\r\n    <div class=\"pld-like-wrap  pld-common-wrap\">\r\n    <a href=\"javascript:void(0)\" class=\"pld-like-trigger pld-like-dislike-trigger  \" title=\"\" data-post-id=\"61168\" data-trigger-type=\"like\" data-restriction=\"ip\" data-already-liked=\"0\">\r\n                        <i class=\"fas fa-thumbs-up\"><\/i>\r\n                <\/a>\r\n    <span class=\"pld-like-count-wrap pld-count-wrap\">0    <\/span>\r\n<\/div><div class=\"pld-dislike-wrap  pld-common-wrap\">\r\n    <a href=\"javascript:void(0)\" class=\"pld-dislike-trigger pld-like-dislike-trigger  \" title=\"\" data-post-id=\"61168\" data-trigger-type=\"dislike\" data-restriction=\"ip\" data-already-liked=\"0\">\r\n                        <i class=\"fas fa-thumbs-down\"><\/i>\r\n                <\/a>\r\n    <span class=\"pld-dislike-count-wrap pld-count-wrap\">0<\/span>\r\n<\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>Hakko FM-203 Dual Soldering Station Teardown W\/ Temperature Control Key Bypass! December 01 2024 Added Firmware Backup Info! Here is a YouTube Video If the Hakko FM-203 Teardown Photos of the Teardown. The Hakko FM-203 FM-202 and FM-203 Size Comparison Click Here to See The Hakko FM-202 Teardown Cover Off Face Plate Off Main Control [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":61230,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"no","_lmt_disable":"no","footnotes":""},"categories":[1],"tags":[],"class_list":["post-61168","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-stevens-posts"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.1 (Yoast SEO v27.5) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>2024 Update Hakko FM-203 Teardown W\/ Temperature Control Key Bypass Firmware Backup<\/title>\n<meta name=\"description\" content=\"2024 Update A Quick Teardown of the Hakko FM-203 Dual Soldering Station With The Temperature Control Key Card B2972 Bypass! 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