APPLICABLE TO - PANASONIC - TH-42PX75U - TH-42PX77U - TH-50PX75U - TH-50PX77U [PLASMA]
Standby light blinks 10 times before the Power Switch is On.
Trouble Mode: SUB 5V SOS, Main 3.3vSOS, DTV 9VSOS, Tuner Power SOS.
Defective Board: P, A Board.
Disconnect Power prior to repair.
- Disconnect connectors A5, A6 & A7 on 'A' board, and plug the TV into AC line.
- Does the TV turn On by itself with a white screen and the Power LED is Off?
- If yes; 'a' board is fauty.
- If No; 'P' board is faulty.
LED BLINKS 10 TIMES AFTER POWER SWITCH IS ON
Disconnect AC power. To avoid potential shock from the Vsus voltage, discharge the connectors SC2 or SS11 before reconnecting them into their respective socket. The reference number to the sustain data connector is different in some of the models.
Trouble Mode: SUB 5V SOS, MAIN 3.3VSOS, DTV 9VSOS, Tuner Power SOS.
defective Board: P, A, AC, SS board.
- Disconnect connectors A5, A6 & A7 on the 'A' board and plug the TV into AC line.
- Does the TV turn On by itself with a white screen and the power LED is Off?
- If yes; 'A' board is faulty.
- If No; Unplug the TV and connect CN A5, CN A6 & CN A7. Disconnect CN SC2, and SC20 of SC board. Plug the unit into AC mains.
- does the power LED stay On when tv is turned On.
- If yes; SC board is faulty.
- If No;
- Unplug the TV, and reconnect CN SC2 & SC20 of the SC board. Disconnect CN SS11, SS23 & SS34 of 'SS' board and CN P12 of the 'P' board. Install the jumper form SS34 between pins 8 & 10 of CN P12. Plug the Uint into AC power.
- Does the power LED stay On, when the TV is turned On?
- If yes; SS baord is faulty.
- If No; P board is faulty.
