Service Manual
Chapter 3. Troubleshooting Guide
Problems Condition
Probable
Reasons
Solutions
1. Mouse
couldn’t
work
1. Pointer couldn’t work
1. TX PCB defect
Change all the parts
below
1. Y1
2. U1
3. U3
4. U6
5. X1
2. Receiver
can’t
work
1. The receiver can’t receive the
signal
1. RX
defect
1. Change
RX
3. Button
couldn’t
work
1.Press button no respond
1. Micro SW NG
1. Change Micro SW
Version 1.0
Page 8
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