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Have a 820-2530 that had water damage. Ran in ultrasonic cleaner but after it would first turn for a few seonds, turn off then back on. I noticed D6905 had some corrosion which I scrubbed off then it would turn on with the fan at high speed, no image on the screen.
After removing D6905 I...
This came in with water damage, put it in the ultrasonic cleaner and have a green/orange light but wont turn on. U7840 was burned so replaced it but still wont power on. I have 12V but no 3v or 5V
I am new to component level repair. What should I check next?