Question about Sony KP-57WS520 57" Rear Projection HDTV-Ready Television

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Kp57ws520 my tv won't come on and the light blinks 9 times

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  • pitis Nov 16, 2008

    My tv not come on, and the stand by keep blink 9 times, I would like to know what is the prolbem, where I can find the part, and the price, and if I need a technitian suppor or if I can do it by my self.

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Where I can find the part I need. what is the price, If I need a technitian support or I can do it by my self.

Posted on Nov 16, 2008

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This is called a zero cross detect problem and has to do with the power supply. There are one or two bad switching diodes in the power supply

Posted on Oct 18, 2008

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I need a D board for a sony projection tv model KP-51WS520. Can I buy this anywhere or does it need repaired? Thanks in advance!


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SONY D BOARD 10 BLINKS REPAIR KIT KP51WS520 , KP57WS520 , KP46WT520

ponent level . but here is a link to the parts to do that with from EBAY

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10 blinks Sony rear projection


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Thanks.

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1 Answer

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5 yr sony/ stanby light


THERE ARE NUMEROUS COMPONENTS WHICH MAY CAUSE YOUR PROBLEM. EXPECT $300 - $400 REPAIR BILL
TAKE SET TO SONY AUTHORIZED SERVICER.
30 YR SERVICER
APGONZO

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5 blinks indicates a white balnce failure. Which is usually related to 3 possible causes. they are the following.

1. video output is faulty on one of the CRT PCB check IC9101 on the red, IC9201 on gree and IC9301 on the blue PCB

2. CRT drive IC452 is defective on the A board

3. Screen G2 is improperly adjusted

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