Read LG 42PG6HD-UA (CHASSIS:PU83A) Service Manual online
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Power Sequence and Flow Diagram
+16V
+16V
NTP3000A
(Sound IC)
REG
IC
BIAS
Side power
+12.0V
+12.0V
+9V
IC811
KA7809
IC803
KIA78R05F
+5V_TUNER
TU1
TDVF-H051F
ST_5V
ST_5V
Local key/IR power
IC202
ICL3232
RS-232C RX/TX
Q804
SI4925BDY
IC102
AT24C16AN
(EEPROM)
+5.0
IC407
MTV416GMF
(
micom
)
HDMI CEC
Inv/RL
3.3V->5V
Q805
SI4925BDY
IC408
Comercial
IC404
3.3V_MICOM
IC402
RS232C Driver
BCM
I2C Pull up
IC201
USB_Power
IC403
NVRAM
IC500
CS5345
HPD 5V
IF AGC
RGB SW
AV1/2
Component1/2
IC809
3.3V_Reg
IC805
1.2V_Reg
IC810
2.6V_Reg
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