Question about Akai PDP4294 42 in. EDTV-Ready Plasma Television
Have sound but no picture. 3 1/2 year old TV. Nothing on Owners Instructions Troubleshooting. Any Ideas?
I just had the set checked by a repairman and he said I need a new power board. He also said that he is having some difficulty locating a new power board for this set? Something to the effect that Samsung actually manufactured the set and that they also had taken over Akai.
Posted on Apr 29, 2008
Normally the sets have seperate power supplies for the input/main logic board and the HV which drives the panal (could be 2 parts on the same board). It sounds like you have a problem with the power board that drives the panal and HV. Check to see if any fuses are blown, if the fuse is blown, you can try replacing it, but if it continues to pop, then the main fets that drive the HV are shot and will need to be replaced.
Posted on Apr 21, 2008
Tips for a great answer:
Feb 28, 2014 | Televison & Video
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If you are going to DIY and have proper tools, electronics knowledge, and know safety precaution then please read on:
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/Default.aspx he can make you a set of caps.
Or www.digikey.com, just make sure to use caps with low ESR, 105c, high ripple current and long life rating such as PANASONIC FM or FC series.
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