Gameboy Pocket Voltage Guide | Won't Switch on? Watch this.

So your Nintendo Gameboy Pocket won't turn on. Here's a handy guide to the voltage rails and where they go around the board to the main chips. The animation demonstrates where the voltage goes from the battery, to the fuse, switch and DC convertor. Finally showing the correct voltages that come from the DC convertor and where they go. Some useful checks. You should have continuity from the poisitive battery terminal all the way to pin 1 on the DC / DC convertor (with the on / off switch in the 'ON' position. Pin 6 on the DC / DC convertor should go to pin 14 on the LCD connector. This is the easiest place to check the 5V rail is getting to the top of the board. Pin 6 on the DC/DC convertor is VDD and goes to: Pin 14 on the LCD connector Pin 5 on the audio amp AMP MGB Pin 10 on DMG REG Pin 53 on the main CPU You need continuity between pins 3 and 2 on the DC connector, for the system to switch on with batteries. 00:00 Intro to a faulty Gameboy Pocket that won't switch on 01:30 Explaining the negative rail and DC jack 03:55 Looking at the positive rail, fuse to On / Off switch 05:00 Checking connection from the switch to the DC convertor 09:45 Explaining 5V VDD rail from the DC convertor to the main ICs 13:50 Showing the -18V VEE path from the DC convertor to the regulator 26:45 Fixing the LED trace 27:50 Testing continuity from RAM to CPU 30:50 Trying the system with a screen installed 33:50 Faultfinding no sound output 38:44 Testing the speaker 39:40 Outro. Thanks for watching. I hope you find the video useful and it helps bring your own Gameboy Pocket back to life. Tools: Affiliate links. Multimeter: AstroAI Digital Multimeter, TRMS 6000: https://amzn.to/3NM1lc4 Soldering Iron: KSGER T12 Soldering Station: https://amzn.to/3YJrTkp Hot air station: Quick 857DW+ Bench PSU: Tenma 72-2540 30V 5A: https://amzn.to/40s8uWp Digital Oscilloscope: Rigol DS1054Z: https://amzn.to/3NP3YK4 Desolder pump: Duratool https://www.patreon.com/philipbryden SUBSCRIBE: https://www.youtube.com/channel/UC8x0hxOzJQEea5Qx2NzQ9ig?sub_confirmation=1 Miscroscope: https://youtu.be/3wPEGGDC7Pw Disclaimer: The information provided in this video is for entertainment use only. I am not a professional and any methods I use might not be the correct ones. I will not accept any responsibility for loss, damage or injury as a result of the information provided in this video.