Having problems with your Flat Panel Televisions ?

50pfp5332d got this tv not working. found no power when conected and decided to remove back cover. found blown PCB fuse and replaced it,turn the tv on and the picture came on for 10 seconds and when out but tv was still on since the logic board led was on,also noticed led on PCB started blinking. pull power cord off and then plug back in turn power button on and got picture for 10 second PCB relay clicked picture died and led on PCB started blinking again. what do you think?bad PCB or ba



Answers :

Hello
\015\012The power regulator PCB has some fault it it. It does not outs proper regulated voltages needed to the other PCBs in your TV. Normally Plasma TV power regulator PCBs are very difficult to repair, and PCB as whole should be replaced. If you give this set to Philips Authorised service center, they also will do this, and they too can do only this. In my opinion, it is best to get it repaired by Philips Service center, because, Plasma displays are very sensitive to static voltages, and repairing it without proper measuring instruments and circumstances, may damge it and it is irreparable. If fuse is gone out, you must aware that there must be som sort of short, or overload inside your TV circuits. If you have technical skill, a proper knoledge of the power regualtor working, and mor confidence and patience, you can do this. You have the ability to follow the schematic diagram of your set, which can be obtained from philips website. You must have a high quality digital multimeter, and static free DC soldering iron to go on. Some times, an Oscilloscope may also be needed.
\015\012Beware, your TV has built on most modern electronic technology, and is colstly one. Never attempt anymore on it, if you are fully aware of its working principles, and proper knoledge in Electronics. Philips uses some special components of their own, which cannot be purchased locally.
\015\012Determine yourself, what to do. OK.

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