4. Troubleshooting
4-1. Previous Check
Check list for initial operation
AC Power Cord connected to the TV and the wall receptacle.•
Standby Power/IR Indicator LED is turned On.•
If Power/IR Indicator is not on check 10p power cable is connected and for correct Standby Voltage from SMPS to •
Main. Also check Jog Function Cable.
Power turned On with Jog Function or Remote.•
Power on command from main Board to SMPS.•
Power/IR Indicator Flashes.•
Panel Back Lights are turned On.•
If no Backlights, unplug AC Power Cord, unplug 10 pin connector to SMPS, plug in AC Power Cord, Back light should •
come on. Check Main Board operation for error.
Power/IR Indicator goes off. •
Picture or banner is displayed.•
If nothing is displayed, check the LVDS cable. -
ASSY PCB MAIN
DC VSS-LED PD BD
ASSY SPEAKER P (R/L)
ASSY BOARD P-JOG SWITCH & IR
CN202(to Power board)
1 DGND 6 SW_POWER_TO_SMPS
2 DGND 7 A13V_PW
3 A13V_PW 8 PWM_DIMMING1_OUT
4 DGND 9 A13V_PW
5 A13V_PW 10 UNDER_DRIVER
4-1
4. Troubleshooting