LG 32LG40 Training Manual page 31

MAIN BOARD SECTION
MAIN BOARD SECTION
To
Power
P800
To DVD
P901
To DVD
P900
To DVD
P904
To
Ft Keys
P401
To SPK
P500
P902
LVDS To T-CON
IC809 A2.6V BCM Reg
Reset
BCM
IC400 BCM Reset
IC407 Micro
X400
24Mhz
Q400 Micro Reset
IC405 Micro Reset
Q802 5V Sub Switch Control
IC802 3.3V Reg
Q801 5V
Sub Switch
LD800
IC806 IC600
A3.3V HDMI Selector
BCM
IC602 HDMI EDID
IC601 HDMI EDID
IC501 Audio Processor
and Output
16V Pins 49~52
P200
Dual Data
Registers
IC101
Flash
Memory
BCM
IC100
BCM
X200
54Mhz
IC502
Audio Selector
31
No Connection
Software Download
IC304
DDR VTT
IC807 5V Reg
Q800 SIF
IC803 9V Reg
IC800
CVBS
Amp
IC201
USB
3.3V
TUNER
IC402
Serial Port
Interface
LCD DV August 2008 32LG40
If odd Video
problems are
found, use some
freeze spray
about IC100 and
its circuits,
If video returns to
normal, Board
needs to be
replaced.
USB
HDMI
Side
Inputs