Key Backlight - LG -A290 Service Manual
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Also See for LG-A290:
- User manual (126 pages) ,
- User manual (80 pages) ,
- User manual (23 pages)
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19-217_BHC-ZM1N2QY_3T
EDLH0015101
KEYPAD_LED
LGE Internal Use Only
KEY BACKLIGHT
VBAT
C301
1u
LD300
BLUE LED
C319
1u
START
VBAT = high ?
Yes
KEYPAD_LED = Low ?
Yes
Replace or resolder
LED
LD301
LD302
LD303
LD304
No
Check U101
No
Check U101
No
Backlight will
work properly.
- 97 -
Copyright © 01 LG Electronics. Inc. All right reserved.
4. TROUBLE SHOOTING
C300
1u
LD305
Only for training and service purposes
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