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Panasonic TH-42PZ77U TV - Page 5 Questions & Answers
Same problem, 7 blinks
Normal
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This could be 3 different things and needs to be taken care of by an authorized Panasonic technician
SU Board, SD Board, Panel
7/25/2009 7:16:57 AM •
Panasonic...
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Answered
on Jul 25, 2009
Blinking red light of death
The most likely the TV has a power supply related problem. The most common thing to go out is the circuit board that supply power to the screen. Commonly called a Backlight Inverter Board.
I can't say it's 100% the problem because I can't actually look at the tv over the internet.
If by chance the TV is still under warranty, go that route.
If not under warranty and If you have some electronic experience, you can purchase a Service Manual over the internet and diagnose the source of the problem and fix it by soldering in the new part. The Service Manual will give you circuit diagrams, test points, and part# lists. Usually, cost under $20.
I hope I shed some light on the subject for you.
6/28/2009 9:26:48 PM •
Panasonic...
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Answered
on Jun 28, 2009
10 blinking light.
It is called mainboard and is the one where you plug your video (HDMI,component) cables if you want to order a new one you need your product code, it is located in the back of the TV, same place as the serial number.
5/27/2009 5:32:05 PM •
Panasonic...
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Answered
on May 27, 2009
Tv does not power on
If it blinks 7 times, your power supply is shot
If it blinks 10 times, a video board went bad.
3/16/2009 5:13:30 PM •
Panasonic...
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Answered
on Mar 16, 2009
Random Side Panel Inputs
You either have a bad Main board or simply a bad touch control button in other word one of your side buttons is defective and it is blocking any other signal to the main board, but usually its a bad main board. In some cases ther is a FIRMWARE update from Panasonic, you may want to call Panasonic or check there website for any type of FIRMWArE UPDATE.
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