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Wireless WebScroll + NB Eye
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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 20Ω (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
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Chapter 5. Parts list
Description Parts number Description Parts number
U2 K1319003
R 20Ω
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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