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Swapped (10/31)
HS_R
HS_L
SPEECH_N
SPEECH_P
I2C_SCL2
I2C_SDA2
START < Cal l >
Check the state of
TP2 (IC401)
Check the state of
TP1 (SPK)
Speaker
Working well!!
LGE Internal Use Only
TP2
2
1
C2
C204
2.2u
IN1-
C1
C205
2.2u
IN1+
2
1
D2
C207
1u
IN2-
D1
C208
1u
IN2+
D3
C206
1u
IN3-
C3
C211
1u
IN3+
No
Replace/ Change
Yes
No
Replace/ Change
Yes
VBAT
C200
2
C201
Place 0.1uF close to AMP
0.1u
2.2u
1
DCR 60ohm --> 600 ohm (10/31)
Changed (12/3)
C5
FB201
OUT+
D5
FB202
OUT-
A2
IC401
HPL
A1
HPR
B5
CPVDD
A3
CPVSS
A4
2.2u
C214
CP
A5
CN
VIO_1V8
C203
No
No
- 77 -
Copyright © 2013 LG Electronics. Inc. All right reserved.
4. TROUBLE SHOOTING
2
DNI
C264
1
600
600
HS_OUT_L
HS_OUT_R
C266
C267
0.1u
0.1u
R205
R206
1
20
20
C217
2.2u
2.2u
2
START < Mp3>
Check the state of
TP2 (IC401)
Yes
Check the state of
TP1 (SPK)
Yes
Speaker
Working well!!
Only for training and service purposes
2
1
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