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4. TROUBLE SHOOTING
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Copyright © 2012 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
LG530G
74/87
[Example : sine wave]
TP2
TP1
TP2
TP1
TP1
TP2
0
R502
C508
1n
C505
2.2u
C503
33n
33n
C504
2.2u
C511
R500
10
10
R501
2.2u
C510
120
FB500
C506
1n
1n
C507
1n
C509
M500
D3
C1
E2
A2
C2
B2
B4
A4
B3
E1
A3
D1
A1
C3
B1
E4
E3
C4
D4
D2
HPVD
D
SPVD
D
IN3-
OUT+
OUT-
HPL
IN3+
HPR
CP
IN1+
CN
IN1-
IN2+
IN2-
SDA
SCL
BIAS
CPVD
D
CPVSS
GN
D
C500
2.2u
2.2u
C514
2.2u
C513
C501
0.1u
2.2u
C512
C502
2.2u
+VPWR
VREG_MSME_1.8V
HPH_L
HPH_R
LINE_OUT_P
HS_OUT_R
HS_OUT_L
EAR_GND
SPK_RCV-
RCV_P
RCV_N
AUDIO_I2C_SDA
AUDIO_I2C_SCL
LINE_OUT_N
Near to AudioSUB
3 Layer
Audio Subsystem
TP1
TP2