Service Manual
Wireless 2.4G Tw
Version 1.0
Page 27
3. Mouse Testing Procedure:
Please check the oscillator by
Oscilloscope.
If the wave diagram is not right, please
replace the oscillator.
TEST OK
Please check the voltage and the wave
diagram of U2.
If the wave diagram is different, please
replace U2.
Please check the wave diagram of J1 (RF
2.4G box).
If the wave diagrams are different, replace
J1.
Please check the wave diagram of IC U1
if the mouse can’t move smoothly.
If different, replace IC U1.