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I have a Sony tv KE-32TS2E The problem with this tv is solarisation I have established that the problem is in the power supply board ( by ellimination) How can I find out which component in the power supply board is causing this problem.

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The only way to find out is to test it: if you don't have a great experience in electronics the only way you can do it is to take it out of the tv and check every single component. Start with the transistors, follow with the rectifiers, then check the stabilizers and finally the transformers.

Posted on Oct 21, 2010

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Posted on Jan 02, 2017

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The R1 or R2 probably the problem. visually inspect each PCB for blown or burnt parts. R1 pt# A1401606B R2 Pt# A1401891B, but these don't appear to available anymore. I have checked with tristate, encompass, shopjimmy & thetvguys

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Why Sony WEGA 42 in. Plasma will not power up?


Fault with the main power supply regulator board.
Check and replace damaged component/s at its main power regulator [SMPS] section circuit. Contact any service technician. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts.
http://electronicshelponline.blogspot.com/
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This confirms that the main power supply which is the SMPS is faulty.
The fuse could have failed and must be checked, if the fuse fails the SMPS is confirmed to be faulty due to the power outage.
please check the links below for tips and support:

http://www.fixya.com/support/r5826301-working_switch_mode_power_supplies

http://en.wikipedia.org/wiki/Switched-mode_power_supply

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I would like to replace the power board where can i find one to replace the old one and can i send the old one in for a discount. Thank You,Kevin


U can try searches and buy a reburbish tv power supply board at Ebay.com for ur tv the replacement.Tries ur area where u live,find tvs shops get priced quotes and get repair by them.

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You might have a bad B board. What's worse is that the power switch is connected to the Q board which works in conjunction with the B board. Replace B board, You can send your B board for repair to a company called modus link pts. They are the largest part supplier of after market parts and repair.

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i have the same problem! did you ever solve the issuE??

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Normally, this happens when the TV detects a bad circuit board and goes into " Protection Mode ". The blinking red light should be a error trouble code. Most likely the TV has a power supply related problem. It's possible that it maybe a bad capacitor or transformer on the power supply board. But, I can't say it's 100% the problem because I can't actually look at the tv over the internet. I can only make guesses with the symptoms.

You have a few choices:

1. You can try leaving the TV unplugged for 30 - 45 minutes so the TV can discharge and reset itself.
2. If by chance the TV is still under warranty, go that route.

3. If you have some electronic experience, if you can find and purchase a Service Manual over the internet; It will help you diagnose the source of the problem and fix it by soldering in the new part. The Service Manual will give you red light blinking codes, circuit diagrams, test points, and part# lists.Usually, cost under $20. And most cases the new part cost less than $15.

4. Pay a TV shop to do the repairs. It maybe costly, but get an estimate of how much they will charge. That way you can decide if it worth repairing or replacing the whole TV.


I hope I shed some light on the subject for you.

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if chinese built that circuity may no longer be available

any local mobile TV repairer can check that TV out for you

check out the internet for sony corporation south africa
for parts availability




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