Backlight Trouble - LG W3000 Service Manual
Gsm phone
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Also See for W3000:
- Service manual (137 pages) ,
- User manual (202 pages) ,
- User manual (156 pages)
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4. TROUBLE SHOOTING
8) Backlight LED Trouble
SETTING : After Initialize Agilent 8960, Test in EGSM, DCS Mode
START
PIF Power On, Test
after Call 112
Detect Signal Level?
In D309 ~ D313
Yes
Check Q201 current
450 ~ 500mA
Yes
Backlight LED
Working!!
No
Check Diode
J101
Check!!
No
Replace Transistor Q201
- 64 -
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