Smps / Panel Backlight - Samsung QN82Q8FNBF Service Manual

4. Troubleshooting

4-2-3. SMPS / PANEL BACKLIGHT

• SMPS : 82 inches
1 GND 2
7 Vdrv 8
13 A13V 14
• LD : 82 inches
SIMPLE BL TEST:
Can Swap Panel Connectors
(ONLY When exactly the same pin config.)
1 M/S 2
7 GND 8
13 Vdrv 14
4-6
CNV903
To LD Connector
CNV903 (To LD Connector)
GND 3 Vdrv
Vdrv 9 Vdrv
FAULT 15 GND
CNV903 (To SMPS Board Connector)
GND 3 GND
GND 9 Vdrv
Vdrv 15 Vdrv
4 Vdrv 5
10 Vdrv 11
16 GND 17
To SMPS Board Connector
4 GND 5
10 Vdrv 11
16 Vdrv 17
Vdrv 6 Vdrv
GND 12 GND
GND 18 GND
CNV903
B13V 6 FAULT
Vdrv 12 Vdrv
GND 18 GND