Troubleshooting; Previous Check - Samsung UE48JS9000L Service Manual

4. Troubleshooting

4-1. Previous Check

Check list for initial operation
„
ASSY BOARD P-JOG FUNCTION
• 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.
DC VSS-LED PD BD
(LED DRIVER)
ASSY PCB MAIN
NETWORK
DC VSS-LED PD BD
ASSY SPEAKER P (R/L)
4. Troubleshooting
ASSY T CON P
4-1