LG KP260 - Page 82

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4. TROUBLE SHOOTING
LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Folder on/off will
work properly
Is there the magnet
in the Folder?
START
Replace U103
Place the magnet properly.
NO
Voltage atTP1
of U300 = 2.8V?
YES
NO
Voltage of VMEM at U103
= 2.8V?
NO
Resolder U300
YES
Open Folder.
Voltage at TP2
=2.8V
Resolder U300
NO
YES
Close folder.
Voltage atTP2
= 0V
YES
Replace U300
NO
YES
CHECKING FLOW