Question about Panasonic TX-P42S10 42 in. HDTV-Ready Plasma TV
TV stops after approx' 2 hrs then red light blinks 7 times.Panasonic THP42S10A
Posted by Anonymous on
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Posted on Jan 02, 2017
hello you have what you call a "shut down circut" it is for safety and when one of the internal boards gets shorted or is not working properly, service doc reads as follows
7 Blinks SOS: Pin 93 of the MPU IC9003 monitors the status of the SC, SU, SD board. During normal operation, the photo-coupler PC6480 outputs a low to pin 93. If the SC, SU, or SD board becomes defective, a high is provided to pin 93. As a result, the unit shuts down and the power LED blinks 7 times
thiera blinking 7 times is cuase by a fualt in sc,su,sd boards
10th generation plasma service manual info
Posted on Dec 09, 2008
The 7 blinks indicates that a failure has happened within the Y main and the upper and lower y drive panels. I recommend you taking it in to a Service center for and evaluation.
Posted on May 23, 2009
Panasonic sent a repairman out with the correct part after telling them about the seven blinks. The unit was out of warranty. They rock. Call 800-211-7262 or 800-524-1448 1
Posted on Oct 06, 2009
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
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