Question about Sony FD Trinitron WEGA KV-32FS120 32" TV
All symptoms shows picture tube is defective (weak in result) and giving no good picture result.
Its time for new tv as picture tube replacement would cost you more then tv worth.
Posted on Aug 26, 2010
There are a number of reasons for these faults but start from the following.
1. The CRT base soldering may be bad, so solder all the gun drivers properly.
2. Use a good deguassing gun to deguass, the inbuild deguass posistor might be defective, replace.
3. The HSTAT might be out of sync. corrrect to get the right focus.
4.If the lateral magnets have moved correct them back.
5. finally check on the Y amp board for dry soldering, solder suspected IC's and components .
6. Check for weakness inthe high value capacitors inthe +B circuit or low value capacitors around the chroma and Y amp circuits.
I hope these tips must help.
Posted on Aug 26, 2010
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Posted on Jan 02, 2017
Tips for a great answer:
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Basic LCD monitor and TV troubleshooting guide:
Failed TV and Monitors pictures: http://s807.photobucket.com/albums/yy352/budm/
Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague
Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.
Or www.digikey.com just make sure to use caps with low ESR, 105c, high ripple current, long life rating such as PANASONIC FM or FC series.
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