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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
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
TEST POINT
CIRCUIT
Figure 4.11
TP5
U603
TP1
TP2
AUDIO AMP
EUSY0360201
VBAT
1u
C646
VDDA
B1
B4
VDDLS
LIN
C1
A4
MONO+
A3
MONO-
E1
MONO_IN-
D1
RIN
C2
E2
ROUT
LM49150TLX
U603
1u
C647
2V93_VEXT
C644
1u
1u
1u
C643
C648
C645
0.1u
SPK_P
SPK_N
EXT_SPK_R
RCV_N
RCV_P
Audio Filter & PAD
VA100
EVLC18S020
C103
47p
100p
C100
C104
47p
EVLC18S020
SPK_RCV_N
SPK_RCV_P
TP1
TP2
TP5
TP3
TP4