Table of Contents
Advertisement
4. TROUBLE SHOOTING
Checking Flow
START
Is there the magnet
in the folder side?
YES
Voltage at pin 1
of U400 = 2.8V?
YES
Open folder.
Voltage at pin 1 of U400
=2.8V
YES
Close folder.
Voltage at pin 1 of U400
= 0V
YES
Does it work properly?
YES
Folder on/off will
work properly
NO
Place the magnet properly.
NO
Voltage of VMEM at U101
= 2.8V?
YES
Resolder U400
NO
Resolder R400 and U400
NO
Replace U400
NO
Change Main board
- 78 -
NO
Replace U101
Advertisement
Table of Contents
