Question about RCA R52WM24 52" HDTV Projection Television

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Television picture does not work when first turned on

I have a Samsung rear projection TV, not sure what model number or anything, it is about a 42 inch and about 6 years old now. The problem first started several months ago, basically when the TV was turned on, occasionally the picture would be distorted, and the sound would not work, it was noticeable by these red, green and blue curved lines which went across the top of the screen. At first you could just turn it off and back on and it would be fine, but the last month or so I have found that it can a long time before it starts working, sometimes it seems to take over an hour to 'warm-up' or something before it starts working properly, basically it is useless and frustrating and cannot be used. I guess I am just curious about what you might think is wrong with the TV and how much it might cost to get it fixed? Thanks, James

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It seems that there are capacitors in the power supply which have dried or leaked, It is vurtually impossible to diagnose sight unseen however, the fact that it effected the three colours I envisage that problem to be associated with the supply, also the curving effect makes me look there, it seems that there is a ripple in the AC. I am assuming that it would take around 1.5hrs and cost of caps. This is working on the assumption that the fault is what I have listed without looking at it. Cost may be around the $150-$250 but don't quote me, I can't see the fault so it is an educated guess only...Phil

Posted on May 18, 2009

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localwonder
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SOURCE: I have a Samsung rear projection TV, not sure what

Hi. OK, you will have to replace some serious hardware in order to restore this unit. i will post the circuit boards and there respective part numbers below.

Main board---Samsung Part Number: AA94-03388T
Convergence Board---Samsung Part Number: BP95-00415H
Deflection Board---Samsung Part Number: AA95-01846D

Replacing these boards will restore your tv.

Posted on May 18, 2009

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