Question about Sony KP-46WT520 46" Rear Projection HDTV-Ready Television

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KP46WT520 the stand by light flashes for 9 times then it makes a little pause and then it continues doing the same, please help meeeeeeee

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  • farmmax May 11, 2010

    I have the Sony KP-46WT510 model. sounds like a convergence problem. what's the link for the parts/steps to fix? thanks, Dave

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This is exactly what's happening with my TV. I'm oblivious to Diodes or where the G Board is on the device. Is this something, a normal Joe like myself can fix? Do you know the approximate cost for parts, and labor? I have a service that wants to charge me $100 just to come out and take a look to access the problem..That sounded a little too much for just and accessment.

THX

Posted on Nov 21, 2008

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  • Sony Master
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Thats a zero cross error which usually means either one of both of the two following diodes are open on the G board D6116, or D6301

Posted on Nov 03, 2008

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1 Answer

Sony Wega kp46wt520 no power up, 9 times it blinks red


You will need to replace the G board. You can try replacing the two diodes that usually fail, But because its a complex circuit with the zero cross detection the diode replacement never fixes the issue. Replacing or remanufacturing the G board is the only sure way to fix that issue.

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your problem is 2 diodes on the G board that are leaking

D6116 8-719-074-43
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One of these is surface mounted u will need a guy with soldering skills to replace it without damaging the board

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a sony should only blink up to 8 times. If its continuous without any pause that usually means No reply from the jungle (data bus is busy, shorted to ground or held
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Count your blinks again. let me know.

Jan 21, 2008 | Televison & Video

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