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LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
6. Trouble shooting
- 99 -
6.9 Vibrator trouble
Check Points
-Connectors combination
START
Assemble
Yes
No
Check Vibrator Connector
Combination
Replace Vibrator
Ch
Check
eck
so
solder
ldering
U4
U402
02
TP1
TP2
Check the voltage
difference of
TP1 &TP2
is 3V?
Resoldering or
Replace U402
VIBRATOR
VVIB_2V8
V
0.1u
C412
VBAT
L402
100nH
7.5
R417
3
SUY98005LT1G
U402
GND
2
1
VIN
VOUT
1u
C555
1K
R416
100K
R418
V+
L401
47nH
47nH
L403
1u
C411
TP1
TP2
Содержание KC550
Страница 1: ...Date May 2008 Issue 1 0 Service Manual Model KC550 Service Manual KC550 Internal Use Only ...
Страница 129: ... 130 LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes ...
Страница 155: ...LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 156 ...
Страница 182: ...Note ...
Страница 183: ...Note ...