In +5V_Sub 0.36V 5V; Name Stby Run; Function Name Stby Run; Out D3.3V_Bcm 0.1V 3.4V Q802 - LG 32LG40 Training Manual

IC806 IC806 D3.3V/A3.3V_BCM Regulator turns on LD800 D3.3V/A3.3V_BCM Regulator turns on LD800
PIN PIN FUNCTION FUNCTION
1 1 On/Off Control On/Off Control
2 2 IN IN
3 3 Gnd Gnd
4 4 OUT OUT
IC807 IC807 D3.3V/A3.3V_BCM Regulator D3.3V/A3.3V_BCM Regulator
PIN PIN FUNCTION FUNCTION
1 1 IN IN
2 2 On/Off Control On/Off Control
3 3 OUT OUT
4 4 n/c n/c
5 5 Gnd Gnd
IC809 IC809 D2.6V/A2.6V_BCM Regulator D2.6V/A2.6V_BCM Regulator
PIN PIN FUNCTION FUNCTION
6,7,8,10 6,7,8,10 IN IN
17 17 On/Off Control On/Off Control
1,2,3,4,5 1,2,3,4,5 OUT OUT
14,15 14,15 n/c n/c
11,18,19,20 11,18,19,20 Gnd Gnd
MAIN (BOTTOM) REGUlATOR ChECkS
NAME NAME STBY STBY RUN RUN
Power_CTL_3.3V Power_CTL_3.3V 0V 0V 3.4V 3.4V
+5V_SUB +5V_SUB 0.36V 0.36V
Gnd Gnd Gnd Gnd
D3.3V_BCM D3.3V_BCM 0.1V 0.1V 3.4V 3.4V
NAME NAME STBY STBY RUN RUN
+9V +9V 0V 0V 8.9V 8.9V
Power_CTL_3.3V Power_CTL_3.3V 0V 0V 3.4V 3.4V
+5V +5V 0V 0V
n/c n/c n/c n/c
Gnd Gnd Gnd Gnd
NAME NAME STBY STBY RUN RUN
+5V_SUB +5V_SUB 0.36V 0.36V 4.98V 4.98V
Power_CTL_2.6V Power_CTL_2.6V 0V 0V 3.41V 3.41V
D2.6V_BCM D2.6V_BCM 0V 0V 2.66V 2.66V
n/c n/c n/c n/c
Gnd Gnd Gnd Gnd
CIRCUIT DeSCRIPTIONS
Q801 Q801
PIN PIN FUNCTION FUNCTION
1,3 1,3 IN IN
5V 5V 2,4 2,4 On/Off Control On/Off Control
Gnd Gnd 5,6,7,8 5,6,7,8 OUT OUT
Q802 Q802

5V SUB SWITCH CONTROLLER for Q801

5V SUB SWITCH CONTROLLER for Q801
PIN PIN FUNCTION FUNCTION
B B On/Off Control On/Off Control
C C Pull Down Pull Down
E E Gnd Gnd
5V 5V
Q400 Q400 RESET GENERATOR FOR MICRO IC407 RESET GENERATOR FOR MICRO IC407
n/c n/c
PIN PIN FUNCTION FUNCTION
Gnd Gnd B B Reset Reset
C C Vcc Vcc
E E Gnd Gnd
n/c n/c
Gnd Gnd
5V SUB SWITCH 5V SUB SWITCH
NAME NAME STBY STBY RUN RUN
ST_5V ST_5V 0V 0V
Q802 Q802 0V 0V 0.28V 0.28V
+5V_SUB +5V_SUB 0V 0V
NAME NAME STBY STBY RUN RUN
RL_ON RL_ON 0V 0V 3.29V 3.29V
ST_5V ST_5V 0V 0V
Gnd Gnd Gnd Gnd Gnd Gnd
NAME NAME STBY STBY RUN RUN
Reset Reset 0.6V 0.6V 0.6V 0.6V
3.3VVST_MICON 3.3VVST_MICON 0V 0V
Gnd Gnd Gnd Gnd Gnd Gnd
Fall 2008 LCD Training Fall 2008 LCD Training
3
5V 5V
5V 5V
2
L
5V 5V
G
0V 0V
4
0
23 23