Question about Panasonic 50 in. Plasma TV

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Why does my Panasonic Plasma television: THP42U20A stay on standby and will not go on?

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All modern flat screen tv's have protection circuits in them. This is why they don't start up immediately. When you first switch on, the protection circuit looks around main areas for possible faults. If none are detected, the set will then usually start. If on the other hand there is a fault condition, the protect circuit will not allow the set to start, to prevent possble damage. Occasionally however the micrprocessor can become confused by mains voltage or other spikes. In this case, turn off at the wall or unplug the set for say 5 minutes, then plug in and try again. this will force a reset. If that doesn't work, you will need proffessional assistance. Good luck!
H.

Posted on Jan 01, 2011

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