Panasonic Plasma TVs have built-in fault diagnosing circuit. If any fault occurs with any circuit board inside, the loaded firmware will detect it and will give you its indication in the form or standby light blinks. From the number of blinks at one time, experienced service technicians can detect the faulty section [circuit board], without opening the TV. This will help technicians to detect and repair faulty section fast. Here are some hints about the number of blinks to Pansonic Plasma TVs. PANSONIC PLASMA TV: MODEL NO: X24 _ C2 _ U2 _ S2 _ G20 _ G25 _ VT20 & VT25 Switch ON the set by its main power ON/OFF switch at its front panel [not with remote control], and count the number of blinks occur before the set shuts down. 2 Blinks: 15V SOS D_BOARD / P-BOARD. 3 Blinks: 3.3V SOS D BOARD. 4 Blinks: POWER SOS P-BOARD. 5 Blinks 5V SOS D-BOARD. 6 Blinks DRIVER SOS 1 SC BOARD OR D-SC FPC...
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