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4.14 Vibrator Trouble
TEST POINT
Check Points
-Vibrator contact is right
-MOTOR_P signal working correctly
WAVE FROM
CIRCUIT
R16
OSC32KIN
T16
OSC32KOUT
P16
CLK32KOUT
C16
LED_A
E17
LED_B
F17
LED_C
U12
VIBDR
H12
CKEN
G12
REGEN
F16
HSDET
M8
BM_SEL
B16
BM_PRECH
C111
0.1u
M16
VBG
L12
IREF
R106
120K
M17
REFGND
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
TP1
CLK32K
MLED1
MLED2
MOTOR_P
CKEN
JACK_DETECT
U304
TP1
R312
100K
SPK_P
SPK_N
EAR_P
EAR_N
MOTOR_P
IND_LED_B
IND_LED_R
VA300
VA302
VA303
EVLC14S02050
VA301
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4. TROUBLE SHOOTING
CN301
C316
36
35
34
33
32
31
30
29
28
CN301
C315
C316
C314
1000p
0.1u
1u
LGE Internal Use Only
19
20
21
22
23
24
25
26
27
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Table of Contents
Troubleshooting
