LG 32LG40 Training Manual page 54

CIRCUIT DeSCRIPTIONS
MAIN BOARD UNDERSIDE
IC400
IC405
4
2
MAIN BOARD CRYSTAl ChECk
L
G
6
0
780 mVp/p
54 Mhz
(Only when set is on)
Use the left side of L206
54 54
Fall 2008 LCD Training Fall 2008 LCD Training
SBY RUN
1 0.4V 3.37V
2 0V 0V
3 0.4V 3.39V
IC101
IC802
SBY RUN
1 3.29V 3.31V
2 0V 0V
3 0.6V 0.6V
BCM Reset
IC100
Video Processor
SBY RUN
1 0V 5V
2 0.3V 3.3V
3 0V 0V
Video Crystal
IC805
1 0.V 3.3V BCM
2 0V 5V
3 0V 0V
4 0.4V 3.39V
5 0.1V 1.2V
IC810
SBY RUN
1 0V 0V
2 0V 1.8V
3 0.3V 3.31V
Micro Crystal
2.4 Vp/p
24 Mhz
(Set is on or o )