LG GM750 Service Manual page 127

4. TROUBLE SHOOTING
A u
V R E G _ M S
A U I D O _ 2 I C _ S D A
A U I D O _ 2 I C _ S C L
S
C I
D 5
C 5
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C 3
LGE Internal Use Only
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M A X 1 4 5 2 6 E E W P + T C C 6
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R E S
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M C I
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N I B 1 O U T +
B 2
B A I S O U - T
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V B A T
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_ 2 6 . V
M A X 1 4 5 2 6 _ 2 I C _ S C L
M A X 1 4 5 2 6 _ 2 I C _ S D A
M A X 1 4 5 2 6 _ N I T
- 128 - Copyright © 2009 LG Electronics. Inc. All right reserved.
C 5 2 6
1 0 u
S F B H 0 0 0 8 1 0 2
F B 5 0 2
A 1
H S R
F B 5 0 4
A 2
H S L
S F B H 0 0 0 8 1 0 2
R e . v 1 0 .
D 5
S P K R _ P
B 5
S P K R _ N
C 5 0 6 C 5 2 7
D I N D I N
U S B H _ D M
U S B H _ D P
U A R T 3 _ R X
U A R T 3 _ T X
H S _ M C I
H S L
H S R
Only for training and service purposes