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4. TROUBLE SHOOTING
CIRCUIT
3.5phi JACK
1V8_VDD
R200
DNI
HP_ROUT
HP_LOUT
JACK_DETECT
C212
HS_GND
C240
10n
HS_MIC_N
C259
DNI
HS_MIC_P
1V8_VDD
HOOK_DETECT
LGE Internal Use Only
1V8_VDD
R244
FM_ANT
1M
Q200
S
G
EQFP0007601
KTJ6131E
D
R246
100K
R245
10
R202
DNI
TP1
R203
DNI
1u
TP1
C227
C239
10n
2.2uF
C229
22n
C231
22n
2V85_VAUX
U201
OUT
IN-
4
3
GND
2
VCC
IN+
5
1
LMV331
EUSY0407701
C200
1n
ZD200
L201
C201
100n
27p
HS_GND
FB200
FB209
FB201
VA203 VA204
VA202
R204
C257
DNI
DNI
VHSMIC
R209
2.2Kohms
FB204
R247
1800
1K
VA205
R215
100
C236
DNI
- 90 -
Copyright © 2011 LG Electronics. Inc. All right reserved.
2. TROUBLE SHOOTING
R241
0
M6
1800
2
M1
1800
3
M4F
4
M3
1800
5
M4
6
M5
1
J200
JAM3333-F32-7F
ENJE0008001
Only for training and service purposes
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