LG KG280 Service Manual - Page 56
Vibrator Trouble
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4.6 Vibrator Trouble TEST POINT 4. TROUBLE SHOOTING R320 R319 R322 R324 D300 Q300 Figure 13 R318 R321 CIRCUIT VIBRATOR VBAT VBAT VIBRATOR R319 0 R322 20K R320 0 R318 47K Q300 R321 100ohm 4 65 1 23 R324 7.5K EMZ2 D300 1SS352-TPH3_F 10V Under ECCH0006201 C329 4.7u C335 27p L301 27nH L302 27nH OUT300 OUT301 ECZH0000826 10V Over Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes - 57 - LGE Internal Use Only
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- 57 -
4. TROUBLE SHOOTING
LGE Internal Use Only
Copyright © 2007 LG Electronics. Inc.
All right reserved.
Only for training and service purposes
4.6 Vibrator Trouble
D300
Q300
R320
R319
R322
R324
R318
R321
VIBRATOR
10V Over
10V Under
R321
100ohm
C329
ECCH0006201
4.7u
R319
0
R322
20K
7.5K
R324
C335
ECZH0000826
27p
L301
27nH
OUT300
VBAT
1SS352-TPH3_F
D300
L302
27nH
OUT301
Q300
EMZ2
2
3
6
4
1
5
R318
47K
R320
VBAT
0
VIBRATOR
TEST POINT
CIRCUIT
Figure 13