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Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
5. TROUBLE SHOOTING
5.6 Receiver & Speaker trouble
Check Points
-Speaker contact
-Audio amp soldering
0
R235
R211
2.2
C200
1U
VBAT
R218
2.2
27P
C211
VBAT
MAX9877AEWP_TG45
U200
4
C
3
D
B4
D4
C3
B3
B5
B2
D5
C2
C1
D2
D1
A2
A1
A5
A4
5
C
1
B
3
A
S
S
V
D
D
V
D
D
V
P
C1N
C1P
HPR
HPL
INA2
INA1
INB2
INB1
OUT+
BIAS
OUT-
SDA
SCL
RXIN+
RXIN-
D
N
G
D
N
G
P
1U
C225
2.2U
C230
1U
C231
R240
0
R241
0
C238
1U
1U
C247
C249
2.2U
1U
C255
C258
1U
C259
27P
BB_SND_R
SDA
SCL
BB_SND_L
EAR_P
EAR_N
SPK_RCV_N
SPK_RCV_P
FM_SND_L
FM_SND_R
HSO_R
HSO_L
33nH
L110
L111
33nH
C106
DNI
DNI
C107
CN104
2
1
VBAT
2V85_CAM
VBAT
2V9_VFM
GB042-60P-H10-E3000
CN102
31
30
32
29
33
28
34
27
35
26
36
25
37
24
38
23
39
22
40
21
41
20
42
19
43
18
44
17
45
16
46
15
47
14
48
13
49
12
50
11
51
10
52
9
53
8
54
7
55
6
56
5
57
4
58
3
59
2
60
1
C108
0.1uF
2V8_CAM_A
2V11_RTC
LED_INT
_LED_RESET
CIF_SCL
CIF_SDA
_DIF_RESET
LCD_ID
DIF_VSYNC
DIF_CD
DIF_MAIN_CS
DIF_RD
_DIF_WR
DIF_D4
DIF_D7
DIF_D6
DIF_D1
DIF_D5
DIF_D0
DIF_D3
DIF_D2
CIF_PCLK
CIF_MCLK
SPK_RCV_P
SPK_RCV_P
SPK_RCV_N
SPK_RCV_N
CIF_PD
CIF_RESET
CIF_D0
CIF_D1
CIF_D2
CIF_D3
CIF_D4
CIF_D5
CIF_D6
CIF_D7
CIF_VSYNC
CIF_HSYNC
VIB_EN
LCD_IF1
SCL
SDA
CAM_LDO_EN
LED_CNT
LCD_BACKLIGHT_EN
LCD_IF2
SPEAKER
Содержание AR140B
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