4-2-2. TV POWER STANDBY Test
Simplified Version
1
Verify Standby Light
9
If missing perform Standby Test / Function Test
2
Power TV On ?
9
Check Standby LED changes and TV Powers On
3
If Standby light won’t
change (turn off or flash)
9
Check with both Remote & Function Control Power command
9
8
PIN (
Power On/Off
changes from 0Vdc (off) to
3.3Vdc
(on)
9
Replace Main Board
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 Standby LED Flashes
and TV won’t power on ?
Disconnect Panel Cables from Main Board
Power TV On ?
9
Check TV Powers On
(Audio – No video)
9
If TV now Powers On
5
Verify Backlight Turns On ?
If No Backlight ?
9
Perform Backlight Test
4-7
4. Troubleshooting