The set up menu comes up on the screen while we are watching the tv. It stays on a few seconds then goes off only to come back on a few minutes. We called tech support and they said to unplug the set and then plug it again and it would go through automatic programming. This hasn't worked. We called tech support back and the second guy said to take it to a service center.
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Re: set up menu
Your set could be losing the 5v to the system control chip, or the keys on the remote or front panel may be sticking. You could also have a power supply with diodes or capacitors that are dying. If you don't know how to service this, don't even bother opening the cover. tom
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This model is equipped with a keyboard lock feature. To unlock the keyboard press and hold the "menu" button on the front panel for 10 seconds. If this doesn't help you have to make some checks in set. First IC7D04 (temperature related) may cause lines in pic. Check 9v DC on terminal PCB at Connector JA pins 57&58 if missing then change IC9C25 part#270p677030 on signal PCB.