Question about Panasonic TH-50PC77U 50 in. Plasma TV
I have a Panasonic Plasma Model TH 50PZ700U that turns on with solid Red Light but with no sound or picture. Eventually after a few minutes of being turned and left on.... it blinks 13 times. It appears to be in Standby.... not sure. I can then use remote to turn back on. It comes up solid RED on Power indicator again with no pic or sound. I cant turn off using remote after that I tried using Technical Guide Plasma Full High Definition (GPH10DU Chassis) and it does not give me much to check whats causing this. Any hints and tips to determine what to look for and determine problem will be much appreciated.
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Posted on Jan 02, 2017
Power board it dead,take the tv aparts.Check for Capacitors parts for puff up or burst open.Know how to solders?replaced these capacitors in the power board.Or replaced the whole power board.Tries Shopjimmy.com,Ebay.com.
Posted on Jan 19, 2010
Panasonic said "A" board,
A board SOS Detect (Explanation)
10 Blinks SOS: The voltage regulators IC5400 and IC5401 in the A board generate SUB9V and SUB5V. The 9V and 5V from these ICs are monitored by IC1100. Any abnormality on the SUB9V or SUB5V lines, triggers the shutdown circuit and the MPU shuts down the unit. The power LED blinks 10 times.
But need to measure the connection SC2, if it short, it will be the SC board.
The knowledge obtain from: Real case of repair by myself.
Information from Panasonic training manual.
Posted on May 10, 2010
Your power supply board is dead, u know basic electronics’ and soldering? Most of the times, the power supply board just have dead leakages gases capacitors.These capacitors always bulges up on it top,or puff up on it top.Replaced these gases leakages capacitors will get your TV power stable,and work again.Or tries websites like Shopjimmy.com,Ebay.com to buy a whole refurbish power supply board for the replacement.
hope this helps...
Posted on Jul 02, 2010
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