LG GT540 Service Manual page 119

4. Trouble Shooting
LGE Internal Use Only
Audio SUB SYSTEM
TP1(R513)
HPH_R
HPH_L
LINE_OP
LINE_ON
R513
RCV_P
R514
RCV_N
VREG_MSMP_2.6V
AUDIO_I2C_SCL
AUDIO_I2C_SDA
- 120 - Copyright © 2010 LG Electronics. Inc. All right reserved.
+VPWR
C515
39p
C2
C519 1u
IN1-
C1
C518 1u
IN1+
IC500
D2
C521 47n
IN2-
D1
C520 47n
IN2+
D3
C552 1u
10
IN3-
C3
C551 1u
10
IN3+
TP2(R514)
C522
2.2u
EAR_GND|GND
Only for training and service purposes
C516
C514
10u 1u
C556 47p
C555 47p
C5
OUT+
D5
OUT-
A2
HPL
A1
HPR
B5
CPVDD
A3
CPVSS
A4
CP
A5
CN
C513
2.2u
C512
C523
2.2u 2.2u
C517
2.2u
VREG_HPVDD_1.8V
R521
R520