Vizio SV422XVT - Standby light, no image, no sound.

[What?]

Re: Vizio SV422XVT - Standby light, no image, no sound.

If I looked up info for the EEPROM correctly, Pin 8 is power to the chip, there is presently no voltage readings at any pin on the EEPROM, the trace from pin 8 goes under the heat sink for one of the processors, is it safe to remove the heat shield to trace pin 8 to source?

EEPROM (U75?)
25P80VG
7B248 VS
PHL 9494

[What?]

Re: Vizio SV422XVT - Standby light, no image, no sound.

Ok, in the end, after all this time, aggravation, hard work and help I finally got the IC chips from China. The first chip I tried to replace had a solder pad on the bottom (unknown to me), I managed to get the old chip off the board with a little redneck ingenuity but totally ruined the board trying to solder the new one on. I actually got the new chip on but it was crooked so I tried to heat it up again and straighten it out, that definitely ranks as an awww s**t. I guess the moral to this story is if you don't have the proper equipment to do the job, bag it and move on with your life. Going shopping for a new TV.
Thanks so much to everyone for your help and effort. I am sorry I wasn't good enough to honor your attempt to help me.

[What?]

Re: Vizio SV422XVT - Standby light, no image, no sound.

UPDATE:
Happy day! I got a used main board #3642-0812-0150 on Ebay for $87 including shipping.
Installed, it came on, cleared all data via the menu, did a channel scan and voila', it works great!! Again, thanks a bunch for all who helped and offered support. BADCAPS.NET is awesome!

[vinceroger69]

Re: Vizio SV422XVT - Standby light, no image, no sound.

Thanks for the update and glad you managed to fix the tv.