Vibrator Trouble - LG -A290 Service Manual

4.6 Vibrator Trouble

VIB_3V3(TP1)
VCAMD
1u
3
VIN
25
VBAT1
26
VBAT2
27
EXPDET
U203
11
USB1DM
12
USB1DP
13
USB2DM
14
USB2DP
15
AUDL
16
AUDR
17
MIC
LGE Internal Use Only
32
DSS
U203
VHP_MIC_2V0
TORCH_3V3 VIB_3V3
TP1
C240 C241 C242
1u 1u
U203
23
VBUS1
24
VBUS2
22
D-
21
D+
20 FB209
ID
19
R2_2K Figure 4.6.2
18
CLDO
C252
10n
VIB_3V3(TP1)
Figure 4.6.1
VIBRATOR
VIB_3V3
C243
1u
1u
VUSB_CHG_IN
C250
1u
120
R227
2.2K
- 74 -
4. TROUBLE SHOOTING
R312 0
C306 C307
VA300
33p 1u
DNI
MUIC_IO_M
MUIC_IO_P
MUIC_ACC_ID
Figure 4.6.3
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Only for training and service purposes
VB300
1
2