LG A395 - Page 77

4. TROUBLE SHOOTING
- 77 -
Copyright © 2013 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
START < Cal l >
Check the state of
TP1 (SPK)
Replace/ Change
Yes
Speaker
Working well!!
No
Check the state of
TP2 (IC401)
Replace/ Change
No
Check the state of
TP1 (SPK)
Yes
Check the state of
TP2 (IC401)
Yes
START < Mp3>
Yes
Speaker
Working well!!
No
No
IC401
B3
A4
C3
C2
B2
D1
D3
D4
C1
A1D2
B1
D5
A2
A5
A3
B5
B4
C5
C4
GND
OUT+
HPVDD
CPVDD
CPVSS
CN
HPL
OUT-
BIAS
IN2- HPR
IN1+
SVDD
IN3-
IN2+
SDA
IN1-
IN3+
CP
SCL
C206 1u
C211 1u
C207 1u
C208 1u
FB201 600
C217
2.2u
1
2
FB202 600
2.2u
C203
R205
20
R206
20
VIO_1V8
C266
0.1u
C267
0.1u
2.2u
C200
2.2u
C218
VBAT
2.2u
C219
C264DNI
1
2
C201
0.1u
1
2
C214
2.2u
1 2
39pFC216
1
2
C215 39pF
2.2uC204
1
2
2.2uC205
12
I2C_SDA2
I2C_SCL2
HS_OUT_R
HS_OUT_L
HS_L
HS_R
SPEECH_P
SPEECH_N
Changed (12/3)
Place 0.1uF close to AMP
DCR 60ohm --> 600 ohm (10/31)
Swapped (10/31)
TP2