LG KF750 Service Manual page 129

4. TROUBLE SHOOTING
V B A T
Q501
D C N I _ A
LGE Internal Use Only
B t a e t y r C o n . n
2 0 1 2
R
P h o n e g o r u n d 1 %
0
1 4 / W
e r u t n r p a h t
V B A T
B A T T _ G N D
2 0 1 2
R
1 %
0
1 4 / W
Q 5 0 1
S A I 9 1 1 D J
G 1
S 1
D 1
D 3
R 5 1 4 4 7 K
D 4
D 2
G 2
S 2
Main Battery Charging Path
X 5 0 0
1 2
3 2 7 . 6 8 K H z
C 5 1 2 C 5 1 3
R T C C L K
2 4 p 2 4 p
S R S T _ n
S C L K
S D A T
R 5 0 8 0
0 6 0 3
5 0 9
C o l s e o t P n i 3
o r u e t a s a d f i e f e r t n l a i
0 . 2 5
R 5 1 1 0
0 6 0 3
R 5 1 2 0
5 1 3
1 . o r u e t a s a d f i e f e r t n l a i
D C N I
V B U S
Copyright © 2008 LG Electronics. Inc. All right reserved.
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K 1 2
X T A L 1
K 1 1
X T A L 2
J 1 2
3 2 K H Z
T P 5 0 1
G 1 0
I S M O F F _ N
K 2
S R S T _ N
J 3
S C L K
K 3
S D A T
H 4
B D A T A
G 1 2
F G S E N S E +
C 5 1 9
p a r i 4 7 p
C o l s e o t A B
G 1 1
F G S E N S - E
H 1
V B A T _ D
E 1
C H S E N S E +
p a r i
F 2
C H S E N S - E
E 2
C H R E G
F 3
D I C O
J 1
V B U S
Only for training and service purposes