Full Text Searchable PDF User Manual
Service Manual
Wireless Mini Navigator
Service Manual
Table of Contents
Chapter 1. INTRODUCTION........................................................................................................... 2
a. Hardware ...............................................................................................................................2
b. Software ................................................................................................................................ 2
Chapter 2. Testing Procedures .......................................................................................................... 3
a. Testing flow chart..................................................................................................................... 3
b.Check U1pin13 Working Volts ................................................................................................. 5
c.Check U1 pin11 Working FREQ............................................................................................... 6
d. Check U1 pin 1 SCLK Signal .................................................................................................. 7
e.Check U1 pin 16 SDIO Signal .................................................................................................. 8
F.Check U2 pin17 Working volts................................................................................................. 9
g.Check U2 pin18 Working RFEQ. ........................................................................................... 10
h.Check U2 pin 15 PW CND Signal.......................................................................................... 11
i.Check U2 pin 16 Data Signal................................................................................................... 12
Chapter 3. Troubleshooting............................................................................................................. 13
Chapter 4. Removal and Replacement............................................................................................ 14
Chapter 5. Parts list ......................................................................................................................... 15
Chapter 6. Tools .............................................................................................................................. 15
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Service Manual
Chapter 1. INTRODUCTION
a. Hardware
♦
PC586 above Linux or Mac OS 8.6
♦
Connection port
:
USB
b. Software
♦
Win98 above
♦
Wireless Mini Navigator USB Driver
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Chapter 2. Testing Procedures
a. Testing flow chart
T
T
T
T
REPLACE U1
U2
REPLACE .U1
REPLACE U1
X3
F
F
Check U1.pin1
SCLK Signal
REPLACE U1
U2
Check U2 Pin 17
Working volts
F
REPLACE U2,
Check U1 Pin 16
SDIO Signal
Check U1.pin11
Working FREQ.
Check U1.pin13
Working volts
START
A
F
F
T
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A
T
Check U2pin 18
working RFEQ.
T
Check U2 pin15
PW.CND signal
F
REPLACE U2
T
Check U2 pin16
Data signal
REPLACE U2
END
REPLACE U2
X1
F
.
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b.Check U1 pin13 Working Volts
U1.PIN13 VDD
BAD U1
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c.Check u1 pin11 Working FREQ.
U1.PIN11 FREQ
BAD U1, X3
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d. Check u1 pin 1 SCLK Signal
U1.PIN1 SCLK
BAD U1,U2
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e.Check u1 pin 16 SDIO Signal
U1.PIN16 SDIO
BAD U1,U2
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F.Check u2 pin17 Working volts
U2.PIN17 VDD
BAD U2
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g.Check u2 pin18 Working RFEQ.
U2.PIN18 RFEQ
BAD U2,X1
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h.Check u2 pin 15 PW CND Signal
U2.PIN15 PW CND
BAD U2
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i.Check u2 pin 16 Data Signal
U2.PIN16 Data
BAD U2
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Chapter 3. Troubleshooting
Condition
Probable
Reasons
Solutions
1. Mouse
couldn’t
work
1. Pointer couldn’t work
1. PCB defect
Change all the parts
below
1. U1
2. U2
2. Button
couldn’t
work
1.Press button no respond
1. Micro SW NG
1. Change Micro SW
3. Pointer
couldn’t
move smoothly
1. Pointer couldn’t move smoothly 1. Cable broken
1. Change Receiver
4. LED Unlight
1.Pointer couldn’t work
1.LED fail
1. Change LED
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Chapter 4. Removal and Replacement
Step Description
Picture
1. Turn
over
mouse
To disassemble the mouse, you have
to turn over mouse.
2. Loose screws Using screwdriver to loose 4 screws.
3. Take
apart
PCB
Using screwdriver to You can take
apart the PCB from the upper cover
directly.
The PCB is the most important part
of mouse.
3
4
1
2
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Chapter 5. Parts list
Description
Parts number
Description
Parts number
U1
10300119000
RS TACT SWITCH
75G(SW1,SW2,SW3)
10900043000
U2
10330176000
X3 RESONARTOR 18.432
MHz
10810010000
Mouse TX PCBA
20000024100
Receiver Assembly
ASM,GM-03018U.RX
25000051101
LED1
10740091000
X1 CRYSTAL 4MZH
10810008000
X2 CRYSTAL 27.045MHZ 10800067000
Chapter 6. Tools
1.
Screwdriver cross
2.
Oscilloscope
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