Full Text Searchable PDF User Manual
Service Manual
Wireless WebScroll + NB Eye
Service Manual
Table of Contents
Wireless WebScroll + NB Eye .....................................................................................................0
Chapter 1. INTRODUCTION...........................................................................................................2
a. Hardware ...............................................................................................................................2
b. Software ................................................................................................................................2
c. Block Diagram for Wireless Webscroll + NB Eye TX ........................................................2
d. Block Diagram for Wireless Webscroll + NB Eye RX ........................................................3
Chapter 2. Testing procedures...........................................................................................................4
a. Connection
fail.....................................................................................................................4
Chapter 3. Trouble Shooting Guide ..................................................................................................5
Chapter 4. Removal and Replacement..............................................................................................6
a.Wireless WebScroll + NB Eye TX ............................................................................................6
b.Wireless WebScroll + NB Eye RX ...........................................................................................7
c. Modify Parts procedures (for pointer moves automatically) ...................................................8
Chapter 5. Parts list .........................................................................................................................10
Chapter 6. Tools ..............................................................................................................................10
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Chapter 1. INTRODUCTION
a. Hardware
PC586 above
♦
♦
♦
♦
Connection port
:
USB
b. Software
Win98 above
Wireless Webscroll + NB Eye USB Driver
c. Block Diagram for Wireless Webscroll + NB Eye TX
Charge circuit
Battery
Optical Sensor
Control IC
RF Amplify
RF Oscillation
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d. Block Diagram for Wireless Webscroll + NB Eye RX
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Chapter 2. Testing procedures
a. Connection fail
REPLACE Mouse TX
REPLACE Receiver
T
T
F
F
Receiver
OK?
Mouse TX
OK?
START
END
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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
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Chapter 4. Removal and Replacement
a.Wireless WebScroll + NB Eye TX
Step Description
Picture
1. Turn
over
mouse
To disassemble the mouse, you have
to turn over mouse.
2. Loose screws Using screwdriver to loose all
screws.
3. Take
apart
rear flat
After taking all screws off, you can
take up the rear flat.
4. Take
apart
PCB
You can take apart the PCB from the
upper cover directly.
The PCB is the most important part
of mouse.
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b.Wireless WebScroll + NB Eye RX
Step Description
Picture
1. Turn
over
receiver
To turn over the receiver.
2. Loose screws Using screwdriver to loose all
screws.
3. Take
apart
PCB
After taking all screws off, you can
take up the rear flat and take apart
the PCB from the case.
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c. Modify Parts procedures (for pointer moves automatically)
1. Solder a 5V-3.3V Regulator(K1319003) on U2
2. Grounded PIN2 ON U2
3. Use Jumper to connect U2 PIN1 and J3 PIN14
4. R45 change to 20
Ω
(K1409021)
5. R15 change to 62K (K140A067)
6. R61 change to Diode 1N4148 (K1702001)
7. R25 change to 820K (K140C024)
8. R62 don’t connect anything
9. ZD2 change to new model
3
2
5
1
4
8
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6
7
9
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Chapter 5. Parts list
Description
Parts number
Description
Parts number
U2 K1319003
R 20
Ω
K1409021
R 62K
K140A067
R 820K
K140A067
D IN4148
K140C024
ZD2 1N5817
K1705003
C7 0.01UF 0204
K150B027
L2 BEAD 0805
K1616001
Y1
26.590MZH
K080C004
SPCBA WEBSCROLL +NB
EYE TX
K010C026
SPCBA 27M WIRELESS
NB RX RF+MP
K010C019
Chapter 6. Tools
1.Screwdriver cross
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