Read Sharp AR-M550 (serv.man21) Service Manual online
AR-M550/M620 SIGNAL NAME LIST 14 - 2
CCFT
Backlight control signal
Backlight control
ON
1
94
SCN
CFM-DC1
Cooling fan motor control
signal (Power source)
signal (Power source)
Power cooling fan motor
control
control
Max. force
of wind
Stop
19
3
PCU
CFM-DC2
Cooling fan motor control
signal (Power source)
signal (Power source)
Power cooling fan motor
control
control
Max. force
of wind
Stop
19
4
PCU
CFM-DV
Cooling fan motor control
signal (Developing)
signal (Developing)
Developing cooling fan motor
control
control
Max. force
of wind
Stop
7
3
PCU
CFM-R1
Cooling fan motor control
signal (LSU/Process section)
signal (LSU/Process section)
Cooling fan motor control
(LSU, process section)
(LSU, process section)
Max. force
of wind
Stop
21
3
PCU
CFM-R2
Cooling fan motor control
signal (LSU/Process section)
signal (LSU/Process section)
Cooling fan motor control
(LSU, process section)
(LSU, process section)
Max. force
of wind
Stop
21
4
PCU
CFM-R3
Cooling fan motor control
signal (LSU/Process section)
signal (LSU/Process section)
Cooling fan motor control
(LSU, process section)
(LSU, process section)
Max. force
of wind
Stop
21
9
PCU
CFM-U1
Cooling fan motor control
Cooling fan motor control
(LSU, process section)
(LSU, process section)
Max. force
of wind
Stop
5
21
PCU
CFM-U2
Cooling fan motor control
signal (Paper exit, duplex
(ADU) section) (Paper exit
section rear side)
signal (Paper exit, duplex
(ADU) section) (Paper exit
section rear side)
Paper exit, duplex (ADU)
section cooling
section cooling
Max. force
of wind
Stop
5
28
PCU
CFM-U3
Cooling fan motor control
signal (Paper exit, duplex
(ADU) section) (Front surface)
signal (Paper exit, duplex
(ADU) section) (Front surface)
Paper exit, duplex (ADU)
section cooling
section cooling
Max. force
of wind
Stop
5
27
PCU
CHVACPWM High voltage control output
(Separation charger) (CHV)
Separation charger AC
component PWM control
component PWM control
—
—
15
12
PCU
CHVACREM High voltage control output
(Separation charger) (CHV)
Separation charger AC
component ON/OFF control
component ON/OFF control
ON
OFF
15
13
PCU
CHV-PWM
High voltage control output
(Separation charger) (CHV)
(Separation charger) (CHV)
Separation charger DC
component PWM control
component PWM control
—
—
15
10
PCU
CHV-REM
High voltage control output
(Separation charger) (CHV)
(Separation charger) (CHV)
Separation charger DC
component ON/OFF control
component ON/OFF control
ON
OFF
15
11
PCU
CISSET
CIS identification signal
CIS unit installation detection
CIS
available
10
26
SCN
CISTH
CIS temperature detection
signal
signal
CIS temperature detection
—
—
13
1
SCN
Not used.
CL1
Scanner lamp control signal
Scanner lamp control
ON
1
71
SCN
CLK_CCD1
CCD serial data clock signal
(CCD)
(CCD)
CD serial data output timing
control (CCD)
control (CCD)
—
—
1
62
SCN
CLK_CCD2
CIS serial data clock signal
(CIS)
(CIS)
CIS serial data output timing
control (CIS)
control (CIS)
—
—
10
11
SCN
COPY
Copy status (Auditor)
Copy status signal (Auditor)
Copying
5
2
SCN
CRUCLK
Communication CLK
CRUM communication CLK
—
—
11
6
PCU
CRUSDA
Communication data address
signal
signal
CRUM communication data
address signal
address signal
—
—
11
8
PCU
CV_CA
Clear all signal (Coin vendor)
Clear all (Coin vendor)
Clear
4
6
SCN
CV_COPY
Copy enable signal (Coin
vendor)
vendor)
Copy enable (Coin vendor)
Copy
enable
4
3
SCN
CV_COUNT
Count up signal (Coin vendor)
Count-up (Coin vendor)
Count UP
4
4
SCN
CV_DUPLEX Print count identification signal
(Duplex mode) (For coin
vendor)
vendor)
Print count identification signal
(Duplex mode) (For coin
vendor) (Identification of single
count or double count)
(Duplex mode) (For coin
vendor) (Identification of single
count or double count)
Duplex
mode
4
8
SCN
CV_SIZE0
Paper size signal 0 (Coin
vendor)
vendor)
Paper size 0 (Coin vendor)
4
9
SCN
Refer to the
separate
table (
separate
table (
∗
2)
CV_SIZE1
Paper size signal 1 (Coin
vendor)
vendor)
Paper size 1 (Coin vendor)
4
10
SCN
CV_SIZE2
Paper size signal 2 (Coin
vendor)
vendor)
Paper size 2 (Coin vendor)
4
11
SCN
CV_SIZE3
Paper size signal 3 (Coin
vendor)
vendor)
Paper size 3 (Coin vendor)
4
12
SCN
CV_STAPLE Staple mode signal (Coin
vendor)
Staple mode identification
(Coin vendor)
(Coin vendor)
Staple
mode
4
7
SCN
CV_START
Copy start signal (Coin vendor) Copy start status (Coin vendor)
Copy start
4
5
SCN
DCCNT
DC power control signal
DC power ON/OFF
OFF
ON
9 — 8
19 — 24
PCU
Signal name
Name
Function/Operation
Connector level
Connector
No.
Pin No.
PWB
name
Remark
"L"
"H"
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