Sharp AR-M700 (serv.man14) Service Manual ▷ View online
: Feb. 9 2004
1
AR-M550/M620/M700 EXTERNAL VIEW AND INTERNAL STRUCTURE 5 - 17
H. FAX section
17
Document size detection light
emitting PWB
emitting PWB
Generates lights to detect the document size.
19
High voltage PWB (MC/DV/TC)
Generates the main charger voltage, the developing bias voltage, the
transfer voltage and the transfer belt cleaning voltage.
transfer voltage and the transfer belt cleaning voltage.
20
Transfer bias high voltage PWB
(TD CL)
(TD CL)
Provides the bias voltage for the transfer cleaning roller and the print
mode.
mode.
22
Dehumidifier heater relay PWB
Controls ON/OFF of the dehumidifier heater.
23
Discharge lamp PWB
Generates light for discharging.
24
Scanner Flash PWB
Stores the scanner control program.
25
Scanner control PWB
Controls the scanner section.
26
Scanner relay PWB
Interfaces the scanner control PWB, the CCD PWB, the operation
control PWB and the LVDS/INV PWB.
control PWB and the LVDS/INV PWB.
27
Operationcontrol PWB
Controls the display operation panel.
28
Soft NIC PWB
Controls the network.
29
Manual feed paper width
detection PWB
detection PWB
Detects the manual paper feed tray paper width.
30
Driver PWB
Drives the motors.
31
Paper size detection PWB
(Paper feed tray 3, 4)
(Paper feed tray 3, 4)
Detects the paper size.
32
Detector PWB
(Paper feed tray 1, 2)
(Paper feed tray 1, 2)
Detects the paper empty and upper limit tray.
33
Photoconductor temperature
sensor PWB
sensor PWB
Temperature detection around the photoconductor
No
Name
Function/Operation
MODEL
NOTE
1
MDMC PWB
Controls the Modem and the TEL/LIU PWB.
Modem control
FAX unit
2
FAX IF PWB
• Interfaces the MDMC PWB and the main unit controller PWB.
• Installs the FAX image memory. (Expansion memory AR-MM9 can be
• Installs the FAX image memory. (Expansion memory AR-MM9 can be
installed.)
3
TEL/LIU PWB
• Controls the line. (Call-out, polarity reversion detection, CI detection,
line monitor, etc.)
• Connection of an externally connected telephone line.
4
FAX AC power 100
Generates the FAX DC power of 100V.
5
FAX AC power 200
Generates the FAX DC power of 200V.
No
Name
Function/Operation
MODEL
NOTE
1
1
3
4,5
1
1
: Feb. 9 2004
1
AR-M550/M620/M700 EXTERNAL VIEW AND INTERNAL STRUCTURE 5 - 18
I.
Fuse/thermostat
No.
Code
Name
Type
Specificaiton
Funciton/Operation
Section
NOTE
1
F201
Fuse
Time lag
250V 6.3A
PCU PWB protection (24V1)
DC main
power PWB
power PWB
100V system/
200V system
200V system
2
F202
Fuse
Time lag
250V 6.3A
Driver PWB protection (24V2)
DC main
power PWB
power PWB
100V system/
200V system
200V system
3
F203
Fuse
Time lag
250V 6.3A
Scanner control PWB protection (24V3)
DC main
power PWB
power PWB
100V system/
200V system
200V system
4
F204
Fuse
Time lag
250V 6.3A
LCC control PWB protection (24V4)
DC main
power PWB
power PWB
100V system/
200V system
200V system
5
F205
Fuse
Time lag
250V 6.3A
Finisher protection (24V5)
DC main
power PWB
power PWB
100V system/
200V system
200V system
6
F206
Fuse
Time lag
250V 6.3A
Inserter protection (24V6)
DC main
power PWB
power PWB
100V system/
200V system
200V system
7
F207
Fuse
NOT USED
DC main
power PWB
power PWB
100V system/
200V system
200V system
8
F208
Fuse
Time lag
250V 6.3A
Motor protection (38V)
DC main
power PWB
power PWB
100V system/
200V system
200V system
9
F1
Fuse
Time lag
250V 15A
DC power source overcurrent protection (Main
source)
source)
DC main
power PWB
power PWB
100V system
10
F2
Fuse
Time lag
250V 3.15A
Varistor overcurrent protection
DC main
power PWB
power PWB
100V system/
200V system
200V system
11
F3
Fuse
Time lag
250V 5A
MFP controller PWB power source protection
(12V1, 5V1)
(12V1, 5V1)
DC main
power PWB
power PWB
100V system/
200V system
200V system
12
F1
Fuse
Time lag
250V 8A
DC power source overcurrent protection (Main
source)
source)
DC main
power PWB
power PWB
200V system
13
F101
Fuse
Time lag
250V 2A
DC sub power source oevercurrent protection
(Main source)
(Main source)
DC sub power
PWB
PWB
100V system/
200V system
200V system
14
F102
Fuse
Time lag
250V 2A
DC sub power source overcurrent protection
(Main source)
(Main source)
DC sub power
PWB
PWB
100V system/
200V system
200V system
15
F1
Fuse
Immediate-
decision type
decision type
250V 200mA
LCD inverter circuit overcurrent protection
LVDS/INV
PWB
PWB
Common
16
Fuse
17
F1,F2
Fuse
Time lag
125V 20A
AC power source overcurrent protection (Main
source)
source)
AC power
PWB J
PWB J
Japan100V
18
F3,F4
Fuse
Time lag
250V 2.0A
Thermal heater overcurrent protection
AC power
PWB J
PWB J
Japan100V
19
F5
Fuse
Time lag
250V 2.5A
MSW detection circuit overcurrent protection
AC power
PWB J
PWB J
Japan100V
20
F1
Fuse
Time lag
250V 20A
AC power source overcurrent protection (Main
source)
source)
AC power
PWB EX100
PWB EX100
EX Japan
100V system
100V system
21
F3
Fuse
Time lag
250V 2.0A
Thermal heater overcurrent protection
AC power
PWB EX100
PWB EX100
EX Japan
100V system
100V system
22
F5
Fuse
Time lag
250V 2.5A
MSW detection circuit overcurrent protection
AC power
PWB EX100
PWB EX100
EX Japan
100V system
100V system
18,21,24
17,20,23
19,22,25
19,22,25
4
11
9,12
10
15
13
14
3
2
1
7
6
5
8
26,29
27,30
28,31
1
1
1
: Feb. 9 2004
1
AR-M550/M620/M700 EXTERNAL VIEW AND INTERNAL STRUCTURE 5 - 19
J. Adjustment volume
23
F1,F2
Fuse
Time lag
240V 10A
AC power source overcurrent protection (Main
source)
source)
AC power
PWB EX200
PWB EX200
EX Japan
200V system
200V system
24
F3,F4
Fuse
Time lag
250V 2.0A
Thermal heater overcurrent protection
AC power
PWB EX200
PWB EX200
EX Japan
200V system
200V system
25
F5
Fuse
Time lag
250V 2.5A
MSW detection circuit overcurrent protection
AC power
PWB EX200
PWB EX200
EX Japan
200V system
200V system
26
HLTS1
Thermostat
120VAC 15A
240VAC 10A
240VAC 10A
Fusing roller overheat protection
Fusing unit
Japan
27
HLTS2
Thermostat
120VAC 15A
240VAC 10A
240VAC 10A
Fusing roller overheat protection
Fusing unit
Japan
28
HLTS3
Thermostat
120VAC 15A
240VAC 10A
240VAC 10A
Sub heat roller overheat protection
Fusing unit
Japan
29
HLTS1
Thermostat
120VAC 15A
240VAC 10A
240VAC 10A
Fusing roller overheat protection
Fusing unit
EX Japan
30
HLTS2
Thermostat
120VAC 15A
240VAC 10A
240VAC 10A
Fusing roller overheat protection
Fusing unit
EX Japan
31
HLTS3
Thermostat
120VAC 15A
240VAC 10A
240VAC 10A
Sub heat roller overheat protection
Fusing unit
EX Japan
Name
Function/Operation
MODEL
NOTE
RV102
DC sub power unit +12V power output voltage adjustment VR
RV201
DC main power unit +38V power output voltage adjustment VR
RV202
DC main power unit +24V power output voltage adjustment VR
No.
Code
Name
Type
Specificaiton
Funciton/Operation
Section
NOTE
RV102
RV201
RV202
1
1
AR-M550/M620/M700 EXTERNAL VIEW AND INTERNAL STRUCTURE 5 - 20
K. Gate
L. Heater
No.
Name
Function/Operation
MODEL
NOTE
1
Switchback gate
Selects the paper route when discharging paper to the inner tray and
when switching back.
when switching back.
Switched not by the solenoid drive
but by the automatic procedure.
but by the automatic procedure.
2
Paper exit gate
Selects the paper route to transport paper to the duplex (ADU)
section or to discharge paper.
section or to discharge paper.
Driven by the solenoid (DGS).
3
Manual feed gate
Specifies the lead edge position of paper when setting paper.
(Prevention against double feed, and erroneous take-up of all paper
into the paper feed roller)
(Prevention against double feed, and erroneous take-up of all paper
into the paper feed roller)
Code
Name
Type
Function/Operation
MODEL
NOTE
HL1
Heater lamp 1
Halogen lamp
Heats the center of the upper fusing
roller.
roller.
HL2
Heater lamp 2
Halogen lamp
Heats the both ends of the upper
fusing roller.
fusing roller.
HL3
Sub heater lamp
Halogen lamp
Heats the fusing roller (pressing
roller).
roller).
2
3
1
1
7
5
5
6
2
3
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