- 120 -
LGE Internal Use Only
Copyright © 2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4. Trouble Shooting
VREG_HPVDD_1.8V
C521
47n
47n
C520
+VPWR
2.2u
C512
2.2u
C513
C514
1u
C515
39p
10u
C516
2.2u
C517
1u
C518
C519
1u
IC500
3
B
A4
C3
C2
2
B
D1
D3
4
D
C1
A1
D2
1
B
D5
A2
A5
A3
B5
4
B
C5
4
C
D
N
G
OUT+
D
D
V
P
H
CPVDD
CPVSS
CN
HPL
OUT-
S
AI
B
IN2-
HPR
IN1+
D
D
V
S
IN3-
IN2+
A
D
S
IN1-
IN3+
CP
L
C
S
2.2u
C522
2.2u
C523
K
7
.
4
1
1
5
R
K
7
.
4
2
1
5
R
VREG_MSMP_2.6V
10
R513
R514
10
1u
C551
1u
C552
0
2
8
1
5
R
0
2
9
1
5
R
u
1
.
0
3
5
5
C
u
1
.
0
4
5
5
C
47p
C555
47p
C556
1
R520
1
R521
EAR_GND|GND
LINE_ON
AUDIO_I2C_SCL
AUDIO_I2C_SDA
RCV_P
LINE_OP
RCV_N
HPH_R
HPH_L
MIC_1P
SPK_RCV-
MIC_1N
EAR_R
EAR_L
Audio SUB SYSTEM
TP1(R513)
TP2(R514)
Содержание GT540
Страница 1: ...Service Manual Model GT540 Internal Use Only Service Manual GT540 Date April 2010 Issue 1 0 ...
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