Question about Sony KP-57WS500 57" Rear Projection Television
I have had a repair man here and he replaced the circuit board and the tv worked for about an hour and then was out again...... Can you help.. repair man is stumped Thanks, Jodi Jensen
Based on your description, the most likely diagnosis is a failure of the power supply stage although please understand that TVs are quite complex and diagnosing one without being in the same room is not easy.
This area of the TV comprises some fuses, a bridge rectifier (4 diodes) a couple of capacitors, fusible resistors and a regulator. All are prone to failure.
That stuff can be checked quite easily if you have a multimeter and a soldering iron. Is this something you think you are capable or willing to do?
The first thing to check would be the main fuse.
If you don't feel comfortable doing this, the repair cost will likely be between $200 and $400 depending on the problem.
Hope that helps........
Posted on Jun 30, 2008
Thats the code for the +5 line being shorted on the A or B boards which board did he replace. If your not sure can you take a picture and send it to me either here or at my email firstname.lastname@example.org and I will help you out with the problem.
Posted on Jun 30, 2008
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Posted on Jan 02, 2017
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