LG VX5400 Service Manual page 95
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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Charging Connector CON602
Well-soldered?
Voltage at V_CHAR
of U500 = 5V?
0.1V < Voltage of CHAR_MON< 1.4 V
Voltage of pin 4 CON601 =
VBATT(+VPWR)
Is the battery charged?
Charging will operate properly
Copyright@2007 LG Electronics. Inc. All right reserved.
Only for training and serving purposes
Checking Flow
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
Checking Flow
Re-soldering CON602
The charging adaptor (TA) is out of order .
Change the charging adaptor.
Replace U500
Check the soldering
Replace U603
The battery may have the problem.
Change the battery and try again.
-95-
NO
YES
Re-solder U603
LGE Internal Use Only
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