LG 42LG70 Training Manual page 57

Main PWB (Back Side Regulators) Slide 3
Main PWB (Back Side Regulators) Slide 3
IC702
Function:
Pins 1,2
Pins 3,4
Pin 5
Pin 6
Pin 7
Pin 8
IC805
Function:
Pin 1
Pin 2
Pin 3
Pin 4
Pin 5
Pin 6
Pin 7
Pin 8
STBY RUN
EEPROM for RS232
Gnd Gnd Gnd
Gnd Gnd Gnd
0V 0.15V SDA
5V 0.13V SCL
0V 0.13V Write Protect
0V 5V Vcc+5V
STBY RUN
D1.2V-BCM Regulator
0V 6V RST
0V 5V Input
0V 1.2V Output
0V 0V Gnd
0V 3.3V On/Off Power-CTL
0V 1.2V FB
0V 1V COMP
0V 0V Gnd
Label IC1005
Pin 1
Pin 2
Pin 3
Pin 4
Pin 5
IC1006
Pin 1
Label Pin 2
Pin 3
Pin 4
Pin 5
IC1007
Pin 1
Pin 2
Pin 3
Pin 4
Pin 5
Spring 2009
57
STBY RUN
0V 0V
0V 3.4V
0V 0V
0V 1.4V
0V 1.2V
STBY RUN
0V 3.3V
0V 3.3V
0V 0V
0V 1.8V
0V 0V
STBY RUN
0V 3.3V
0V 3.3V
0V 0V
0V 0V
0V 2.5V
LCD DV 42LG70