Service Manual
Chapter 3. Trouble Shooting Guide
Problems Condition
Probable
Reasons
Solutions
1. Pointer
is
moving
automatically
1. Power LED doesn’t light
1. TX PCB defect
Change all the parts
below
1. ZD2
2. Change
R25
3. Change
R61
4. Change
R15
5. Change
R45
2. Mouse
can’t
work
1. The receiver can’t receive the
signal
1. RX PCB defect
1. Change C7
2. Change
Y1
3. Re-solder
L2
4. Re-solder
J1
Version 1.0
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