Question about RCA HD52W56 52" Rear Projection HDTV

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No sound, no picture

After the cable connection on the back of the tv broke off, the tv won't come on. The power light blinks a couple of seconds then it blinks off.

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When the connector breaks off on these the tumer can become grounded. this can lead to a shutdown situation. In the shop we have been known to repair the tuner. if we can. otherwise we would replace the tuner. we would need to inpect the board with the tuner on it make sure the board hasnt become damaged. replaceing this board requries specal eu\quipment.

Posted on Nov 03, 2008

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2 Answers

Picture & sound go on & off every sec, red light blinks 5 times


helloFive blinks - AKB circuit (automatic kine bias), the timer/standby indicator blinks for about 30 seconds then goes to the self-diagnosis function. Something is wrong with the video. Check video out, Q705, 732, 761 and other components on the C board, also check Q218, 219, 220 on the A board. In addition, unit could be in IK blanking, try turning up screen slightly.

shaun

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sounds like loose connections on the convergance amps ic's
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html

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