Table of Contents
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Checking Flow
START
Is there the magnet
in the folder side?
YES
Voltage at pin 1
of U403 = 2.8V?
YES
Open folder.
Voltage at pin 1 of U403
=2.8V
YES
Close folder.
Voltage at pin 1 of U403
= 0V
YES
Does it work properly?
YES
Folder on/off will
work properly
NO
Place the magnet properly.
NO
Voltage of VEXT at U102
= 2.8V?
YES
Re-solder U403
NO
Re-solder R401 and U403
NO
Replace U403
NO
Change Main board
- 95 -
4. TROUBLE SHOOTING
NO
Replace U102
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