Super Nintendo Troubleshooting Guide: Difference between revisions

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''Note: This guide does '''not''' cover Super Famicom Box, Satellaview, or SNES CD add-ons.''
''Note: This guide does '''not''' cover Super Famicom Box, Satellaview, or SNES CD add-ons.''


== ๐Ÿงช Diagnostic Tools & Techniques ==
== Diagnostic Tools & Techniques ==


=== Visual Inspection ===
=== Visual Inspection ===
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* For surface-mount chips, use a donor board or hot-air rework for replacement.
* For surface-mount chips, use a donor board or hot-air rework for replacement.


== ๐Ÿ› ๏ธ Common Symptoms & Solutions ==
== Common Symptoms & Solutions ==


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== ๐Ÿ“ Notes on Major Components ==
== Notes on Major Components ==


* '''CPU (5A22)''': Handles main processing; failure causes no-boot or erratic behaviour.
* '''CPU (5A22)''': Handles main processing; failure causes no-boot or erratic behaviour.
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* '''Voltage Regulator''': Converts input to +5 V (and +12 V on some boards); failure causes power issues.
* '''Voltage Regulator''': Converts input to +5 V (and +12 V on some boards); failure causes power issues.


== ๐Ÿ“ Test Points & Voltages ==
== Test Points & Voltages ==


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== โš ๏ธ Warnings ==
== Warnings ==


* Always power off and unplug before working inside the SNES.
* Always power off and unplug before working inside the SNES.
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* Some chips (especially PPU1/PPU2) are '''not socketed''' and require advanced soldering skills to replace.
* Some chips (especially PPU1/PPU2) are '''not socketed''' and require advanced soldering skills to replace.


== ๐Ÿงฉ Further Reading ==
[[Category: Nintendo]]
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* [https://console5.com/wiki/SNES_Repair SNES Repair Guide at Console5]
* [https://wiki.superfamicom.org/troubleshooting Super Famicom Wiki: Troubleshooting]
* [https://www.retrorgb.com/snestroubleshooting.html RetroRGB: SNES Troubleshooting]
* [https://www.nesdev.org/wiki/SNES_main_board SNES Main Board Technical Info]
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''If you have additional symptoms or solutions, please contribute to this guide!''