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Copyright © 2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
4. TROUBLE SHOOTING
LG Electronics
77/115
LGE Property
4.9 Keypad back light trouble
Check Points
-Signal path is connected well
TP1
z
TP2
LD102
LD101
K0
1
10
1
R
1K
R102
30
1
R
00
1
40
1
R
00
1
2SC5585
Q101
1
2
3
1u
C109
C110
1u
VBAT
SLIDE_KEY_BL
MULTI KEY BACKLIGHT
TP1
LEWWS44PA
LD501
LEWWS44PA
LD502
47
R507
47
R508
ICVN0505X150FR
VA501
47
R509
LEWWS44PA
LD503
R532
47
LD504
LEWWS44PA
VBAT
QWERTY_KEY_BL
QWERTY_KEY BACKLIGHT
TP2
Содержание GT350
Страница 1: ...Service Manual Model GT350 Internal Use Only Service Manual GT350 Date May 2010 Issue 1 0 ...
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