Read Sharp MX-6240N / MX-7040N (serv.man33) Service Manual online
MX-7040N ELECTRICAL SECTION 14 – 28
4. Signal list
Signal name
Name [Type]
Function/Operation
Connector level
Connector
No.
Pin
No.
No.
PWB name
NOTE
L
H
1TC_O-ERR
Primary transfer high
voltage open error
voltage open error
Primary transfer high
voltage open error
detection
voltage open error
detection
High voltage
error state
–
CN23
16
PCU PWB
1TC_S-ERR
Primary transfer high
voltage short error
voltage short error
Primary transfer high
voltage short error
detection
voltage short error
detection
High voltage
error state
–
CN23
14
PCU PWB
1TUD_CL
Primary transfer
separation CL detection
separation CL detection
Primary transfer
separation CL detection
separation CL detection
–
–
CN23
23
PCU PWB
Judged by
combination
with BK.
combination
with BK.
1TUD_K
Primary transfer
separation BK detection
separation BK detection
Primary transfer
separation BK detection
separation BK detection
–
–
CN13
A-3
PCU PWB
Judged by
combination
with CL.
combination
with CL.
1TURC
Primary transfer
separation clutch
separation clutch
Primary transfer
separation clutch control
separation clutch control
Clutch ON
–
CN13
B-8
PCU PWB
1TURRC
Primary transfer
separation reverse
clutch
separation reverse
clutch
Primary transfer
separation reverse
clutch control
separation reverse
clutch control
Clutch ON
–
CN13
B-10
PCU PWB
2TC_ERR
Secondary transfer
charger error
charger error
Secondary transfer
charger error
charger error
–
High voltage
error state
CN12
26
PCU PWB
ADUFM1_V
ADU transport cooling
fan motor 1 ON/OFF
fan motor 1 ON/OFF
ADU transport cooling
fan motor 1 ON/OFF
control
fan motor 1 ON/OFF
control
Fan motor
ON
CN12
31
PCU PWB
ADUFM2_V
ADU transport cooling
fan motor 2 ON/OFF
fan motor 2 ON/OFF
ADU transport cooling
fan motor 2 ON/OFF
control
fan motor 2 ON/OFF
control
–
Fan motor
ON
CN12
33
PCU PWB
/ADUFM_F_CNT
ADU transport cooling
fan motor F PWM
fan motor F PWM
ADU transport cooling
fan motor F PWM
control
fan motor F PWM
control
–
–
CN12
35
PCU PWB
/ADUFM_R_CNT
ADU transport cooling
fan motor R PWM
fan motor R PWM
ADU transport cooling
fan motor R PWM
control
fan motor R PWM
control
–
–
CN12
37
PCU PWB
ADUGS
ADU gate solenoid
ADU gate solenoid
control
control
Solenoid ON
–
CN12
22
PCU PWB
AK_CS_C1
AKM chip select
AKM chip select
–
Chip select
CN24
11
PCU PWB
AK_CS_C2
AKM chip select
AKM chip select
–
Chip select
CN24
9
PCU PWB
AK_CS_EEP_C1
AKM_EEPROM chip
select
select
AKM_EEPROM chip
select
select
–
Chip select
CN24
12
PCU PWB
AK_CS_EEP_C2
AKM_EEPROM chip
select
select
AKM_EEPROM chip
select
select
–
Chip select
CN24
10
PCU PWB
AK_CS_EEP_K1
AKM_EEPROM chip
select
select
AKM_EEPROM chip
select
select
–
Chip select
CN24
16
PCU PWB
AK_CS_EEP_K2
AKM_EEPROM chip
select
select
AKM_EEPROM chip
select
select
–
Chip select
CN24
14
PCU PWB
AK_CS_EEP_M1
AKM_EEPROM chip
select
select
AKM_EEPROM chip
select
select
–
Chip select
CN24
8
PCU PWB
AK_CS_EEP_M2
AKM_EEPROM chip
select
select
AKM_EEPROM chip
select
select
–
Chip select
CN24
6
PCU PWB
AK_CS_EEP_Y1
AKM_EEPROM chip
select
select
AKM_EEPROM chip
select
select
–
Chip select
CN24
4
PCU PWB
AK_CS_EEP_Y2
AKM_EEPROM chip
select
select
AKM_EEPROM chip
select
select
–
Chip select
CN24
2
PCU PWB
AK_CS_K1
AKM chip select
AKM chip select
–
Chip select
CN24
15
PCU PWB
AK_CS_K2
AKM chip select
AKM chip select
–
Chip select
CN24
13
PCU PWB
AK_CS_M1
AKM chip select
AKM chip select
–
Chip select
CN24
7
PCU PWB
AK_CS_M2
AKM chip select
AKM chip select
–
Chip select
CN24
5
PCU PWB
AK_CS_Y1
AKM chip select
AKM chip select
–
Chip select
CN24
3
PCU PWB
AK_CS_Y2
AKM chip select
AKM chip select
–
Chip select
CN24
1
PCU PWB
AK_RXD
AKM communication
AKM communication
–
–
CN24
17
PCU PWB
AK_SCLK
AKM communication
AKM communication
–
–
CN24
19
PCU PWB
AK_TXD
AKM communication
AKM communication
–
–
CN24
18
PCU PWB
APPD1
ADU transport detection
1
1
ADU transport detection
1
1
Paper
presence
–
CN12
19
PCU PWB
APPD2
ADU transport detection
2
2
ADU transport detection
2
2
Paper
presence
–
CN12
21
PCU PWB
BTM_CK
Primary transfer belt
motor clock
motor clock
Primary transfer belt
motor clock signal
motor clock signal
–
–
CN13
B-3
PCU PWB
BTM_CW/CCW
Primary transfer belt
motor CW/CCW switch
motor CW/CCW switch
Primary transfer belt
motor CW/CCW switch
control
motor CW/CCW switch
control
CCW
CW
CN13
B-5
PCU PWB
BTM_D
Primary transfer belt
motor ON/OFF
motor ON/OFF
Primary transfer belt
motor ON/OFF control
motor ON/OFF control
Motor ON
–
CN13
B-4
PCU PWB
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