Sharp AL-800 (serv.man5) Service Manual ▷ View online
(5) PWB
No.
Parts
MODEL
Note
Name
Function/operation
1
Power PWB
Outputs DC power. Drives the heater lamp.
The voltage specification differs
depending on the destination.
depending on the destination.
2
ICU PWB
Converts print data set from the host and
converts it into bit image data and send to the
MCU.
converts it into bit image data and send to the
MCU.
AL-840
Allows connection with two host
computers. Printer models only
computers. Printer models only
3
Scanner lamp drive
PWB
PWB
Controls light quantity of the scanner lamp.
4
MCU (PCU) PWB
Controls the image process section and the
engine section.
engine section.
5
High voltage power
PWB
PWB
Outputs the high voltage for the image process
section. Controls the main motor.
section. Controls the main motor.
6
Operation control PWB
Displays the value information. Outputs the key
operation signal.
operation signal.
2)
1)
3)
4)
5)
6)
5 – 17
(6) Fuse, thermostat
No.
Parts
MODEL
Note
Code
Name
Form
Form
Specification
Function/operation
1
F603
Power unit fuse
Mini
Normal
5A 125V
Protects the power unit primary side circuit
against an overcurrent.
against an overcurrent.
100V series
3.15A 250V
20V series
2
F601
Power unit fuse
Mini
Normal
10A 125V
Protects the power unit primary side circuit
against an over.
against an over.
100V series
5A 250V
200V series
3
Temperature fuse 1
(Fusing section)
(Fusing section)
Mold
Temperature
fuse
fuse
132°C 250V
10A
10A
Assures safety in overheating.
4
Temperature fuse 2
(Fusing section)
(Fusing section)
Mold
Temperature
fuse
fuse
187°C 125V
1.5A
1.5A
Assures safety in overheating.
(7) Lamp
No.
Parts
Model
Note
Code
Name
Type
Function/operation
Specification
1
SL
Scanner lamp
Cool cathode ray tube (Xenon
lamp)
lamp)
Light source for scanning
(reading)
(reading)
Common
2
HL
Heater lamp
Halogen lamp
Heating for the heat roller.
100V 500W
10V series
120V 500W
120V series
230V 500W
200V series
3)
4)
2) F601
1) F603
1) SL
2) HL
5 – 18
(8) Interface (connector)
No.
Parts
Model
Note
Name
Type
Connector type (Type/pin no.)
1
Printer interface
IEE1284 parallel interface
Anfenor 36 pin
AL-840
Allows connection with two personal
computers. Printer models only.
computers. Printer models only.
(9) Belt, wire
No.
Parts
Note
Name
Function/operation
1
Scanner drive wire
Transmits the scanner motor drive power to the scanner unit.
(10) Power
No.
Parts
Note
Name
Specification
∗
Function/operation
1
Power unit
DC
+
24V 2.0A/DC
+
5V 1.1A/DC
+
12V
0.13A/DC
+
3.3V 0.25A
Outputs the DC power. Drives the heater
lamp. Outputs the power detection signal.
lamp. Outputs the power detection signal.
The voltage specification differs
depending on the destination.
depending on the destination.
2
High voltage
power unit
power unit
Main charger voltage, transfer charger
voltage, developing bias voltage
voltage, developing bias voltage
The high voltage power output. (Supplies
power to the image process section.)
power to the image process section.)
1)
1)
1)
2)
5 – 19
(11) Adjustment volume
No.
Parts
Note
Code
Name
Function/operation
1
VR1
Scanner lamp light quantity adjustment
volume
volume
Adjusts the scanner lamp light quantity.
2
VR601
Output voltage adjustment volume
Adjust the DC output voltage (
+
24V).
3
VR801
Main charger voltage adjustment volume
Adjusts the main charger voltage.
4
VR802
Developing bias voltage adjustment
volume
volume
Adjusts the developing bias voltage.
D. Lock position
No.
Parts
Note
Name
Function/Operation
1
Scanner lock screw
Locks the scanner unit.
Fixes the scanner unit with this screw when in transit.
VR1
VR601
VR802
VR801
5 – 20
Click on the first or last page to see other AL-800 (serv.man5) service manuals if exist.