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Extended Version
1
Power TV On
9
8
PIN (
Power On/Off
).2Vdc (when off) changes to 3.3Vdc (on)
– There is a delay from PS-ON to off condition when the TV is
powered off.
CNM801
A13V
A13V
GND
GND
A13V
A13V
1
3
5
7
9
11
2
4
6
10
12
GND
Power_On/Off
OD ON/OFF
BLU_PWM
GND
ANA-DIM
8
2
If voltage error or no
change ?
9
Check Jog Function Control Test
3
If OK ?
9
Replace Main Board
– Check All A13V supplies (12.7VDC) (PIN
3579
)
CNM801
A13V
A13V
GND
GND
A13V
A13V
1
3
5
7
9
11
2
4
6
10
12
GND
Power_On/Off
OD ON/OFF
BLU_PWM
GND
ANA-DIM
8
4
If any wrong voltages ?
9
Remove SMPS connector to Main Board
– Check All A13V supplies (12.7VDC) (PIN
3579
)
If voltages are now OK?
If voltages are still wrong ?
9
Replace the Main Board
9
Replace SMPS
4-8
4. Troubleshooting