LG GW620 - Page 143

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LGE Internal Use Only Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4. TROUBLE SHOOTING
Speaker Solder
Pads
LCD_FPCB
TP1
IC1
(MAX9877AE
WP_TG45)
TP1,TP2
Speaker FPCB Connector
TP2
TP1
TP2
33pF
C150
FB7
FB8
MAX9877AEWP_TG45
IC1
4
C
3D
B4
D4
C3
B3
B5B2
D5C2
C1
D2
INA1
INB2
INB1 OUT+
BIAS OUT-
SDA
SCL
RXIN+
RXIN-
DN
G
DNGP
C123
33pF
R10710ohms
10ohmsR108
1UFC15
0.018uFC368
0.018uFC369
C343 0.22uF
6
9
R
smhoK7.4
99R
smhoK7.4
LINE_ON
LINE_OP
AUDIO_I2C_SDA
AUDIO_I2C_SCL
RCV_N
RCV_P
HPH
_
L
SPKR_N
SPKR_P
SUBSYSTEM_AUDIO
TP1
TP2