Question about Sony KP-51WS510 51" Rear Projection HDTV-Ready Television

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Kp-51ws510 sony tv.?

Replaced ic's (stk392-560) But keep blowing 5 amp pico fuse (only one fues of too on g board of power supply) and am trying to find if there is a resistor that needs to be replaced.?
would you know how to check the resistor to replace them and if that is my problem from blowing these fuse's?
Also do i have to take out the resistor (UN solider) to check if they are bad. or out of circuit. Have 16 resistor to match each ic pin. since the 2 ic.s have 18 legs each would be 32 resistor's..
if you could help that would be awesome thanks jason moore
tmoore15@indy.rr.com

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Let me know circuit code of blown fuses on G Board. It would be like... PS8001, PS8003 etc.
This info will help me to sort out problem in your TV's G Board.

Posted on Nov 05, 2008

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Did you check the two pico fuses on the G board? Usually at least one will blow when the original ICs failed. I am attaching a pic that shows the 2 pico fuses on the G board.

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I have found that on this set you need to check the pico fuses on the power supply board (there are two located parallel to each other) and on the convergence board (underneath the aluminum heat sink where the IC's are mounted).

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Please check pico fuses in D board and confirm +22 & -22 volt supply to convergence ICs.
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1 Answer

Tv screen problem


you have one bad ic or a blown pico fues or maybe both.!!! (On your g board)
replace all and make new..
jason tmoore15@indy.rr.com

Oct 13, 2008 | Sony KP-51WS510 51" Rear Projection...

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