LG 32LG40 Training Manual page 32

Main Board (Front Side) Regulator Checks 1 of 2
Main Board (Front Side) Regulator Checks 1 of 2
IC201
PIN FUNCTION
2 IN
3 On/Off Control
7 OUT
8 OUT
IC304
PIN FUNCTION
3,8 OUT
5,6,7 IN
4 On/Off Control
IC400 RESET GENERATOR TO IC401 3.3BCM (On Back)
PIN FUNCTION
1 IN
2 Gnd
3 OUT
USB Power
NAME STBY
+5V 0V
BCM DDR Power 0V
USB_PWR_Out_1 0V
+3.3V 0V
2.6V BCM
NAME STBY
DDRO_VTT 0V
D2.6V_BCM 0V
DDRO_VTT 0V
NAME STBY
D3.3V_BCM 0V
Gnd Gnd
Reset (Lo-Hi) 0V
IC405 RESET GENERATOR FOR Q400 Micro Reset
RUN PIN FUNCTION
5V 1 IN
3.4V 2 Gnd
5V 3 OUT
3.1V IC802 +3.3V Regulator (3.3V TMDS_SW)
PIN FUNCTION
RUN 1 Gnd
1.29V 2 OUT
2.6V 3 IN
1.29V IC803
PIN FUNCTION
RUN 1 IN
3.4V 2 Gnd
Gnd 3 OUT
3.39V
LCD DV August 2008 32LG40
32
NAME STBY RUN
3.3V_MICON 3.41V 3.41V
Gnd Gnd Gnd
Reset (Lo-Hi) 0.6V 0.6V
NAME STBY RUN
+3.3V 0V
Gnd Gnd Gnd
+5V_SUB 0V 3.2V
+9V Regulator
NAME STBY RUN
+12V 0V 12V
Gnd Gnd Gnd
+9V 0V
5V
9V