Only For Training And Service Purposes - LG GB230 Service Manual
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Also See for GB230:
- User manual (98 pages) ,
- Quick reference manual (58 pages) ,
- User manual (70 pages)
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4. TROUBLE SHOOTING
CHECKING FLOW
LGE Internal Use Only
LGE Internal Use Only
START
Change the battery
Battery is charged?
NO
Is I/O Connector(CN200)
well-soldered ?
YES
Check the voltage at
Pin 1 of ISL9221 = 5.6V ?
YES
Is the voltage
at Pin 12 of ISL9221 = 4.9V
YES
Battery is charged?
YES
Charging is
properly operating
- 78 -
YES
Charging is
properly operating
NO
Resolder the CN200
(Pin 12,13 : VCHARGE)
NO
The TA is out of order
Change the TA
NO
Replace the
U204
NO
Replace the main board
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
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