LG KP260 - Speaker Trouble

LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4. TROUBLE SHOOTING
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4.10 Speaker Trouble
TEST POINT
CIRCUIT
TP2
IC200
TP1TP3
Figure 4.9
AUDIO AMP
EUSY0360201
1uC208
C218 1u
27p
C221
C207 1u
1u
C202
D4
B4
RXIN-
SCL
C3
SDA
B3
B1
VDD
A3
VSS
B2
BIAS
C1N
A4
C1P
A5
D3
GND
HPL
A2
HPR
A1
INA1
D2
INA2
D1
C2
INB1
C1
INB2
OUT+
D5
B5
OUT-
C4
PGND
C5
PVDD
RXIN+
MAX9877AEWP_TG45
IC200
1uC209
1uC213
1u
C206
27p
C222
1u
C201
1uC214
1uC212
C203
C225
1u
1u
VBAT
C200
1u
SPK_N
SPK_P
ABB_P
AUXOP_L
AUXOP_R
MM_L
FM_L
FM_R
MM_R
I2C_SCL
I2C_SDA
HS_OUT_L
HS_OUT_R
ABB_N
TP2
TP3