PHILLIPS 42PFL3704D F7 no 5v standby after replacing fuse

budm

Badcaps Legend

Join Date: Feb 2010

Posts: 40746

Country: USA
#21

10-27-2014, 09:03 AM

Re: PHILLIPS 42PFL3704D F7 no 5v standby after replacing fuse

Originally posted by budm View Post

I would remove those two power MOSFETs from the PFC section and test them, if the relay comes on ,it will blow the main fuse again.
So you do not have 160Vdc Voltage at C1201?
Did you download the service manual?

Originally posted by triplefour View Post

well the board came in, and i replaced it and everything is fine now...they havent picked it up yet but i imagine they will let me keep the dead board...idk how ill finish fixing and testing it though, since it seems the psu was split across the 2 boards...

Well, you never did tell us what happen.

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Basic LCD TV and Monitor troubleshooting guides.
http://www.badcaps.net/forum/showthr...956#post305956

Voltage Regulator (LDO) testing:
http://www.badcaps.net/forum/showthr...999#post300999

Inverter testing using old CFL:
http://www.badcaps.net/forum/showthr...er+testing+cfl

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