Samsung LA22B450C4H Service Manual page 199

B5V_PW GND GND B12VS GND
GND GND GND
SW_POWER B12VS
B1.25V_PW
GND B5V B5V GND GND B13V
GND GND B13V B13V
B5V B5V
Panel_VCC
MAINBOARD (BOTTOM)
MAINBOARD (TOP)
Pin #1~5
F1
T-CON
ANA_DIM_OUT NC NC
SW_INVERTER PWM_DIM_OUT LAMP_DETECT
A3.3V_PW
B1.9V_PW
4. Troubleshooting
NC
NC
4-3