LG VX5400 Service Manual page 108
Tri band, quad mode [pcs/gps/cellular/amps] cdma mobile phone
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Also See for VX5400:
- User manual (99 pages) ,
- Quick reference manual (49 pages) ,
- Quick start manual (6 pages)
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Checking Flow
START
Is the voltage level VBATT
3.2-4.2V?
Are all LEDs LED400~419
working?
Q400, R424 is working?
BACKLIGHT WILL
WORK PROPERLY
LGE Internal Use Only
No
Yes
No
Yes
No
Yes
Charge of Change Battery and try again
Check the soldering of each R or replace LEDs not working
Check the condition of Q400, R424. If problem, Change Q400, R424.
Copyright@2007 LG Electronics. Inc. All right reserved.
-108-
Only for training and serving purposes
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