DOWNLOAD Sharp MX-6500N / MX-7500N (serv.man28) Service Manual ↓ Size: 1.46 MB | Pages: 43 in PDF or view online for FREE

Model
MX-6500N MX-7500N (serv.man28)
Pages
43
Size
1.46 MB
Type
PDF
Document
Service Manual
Brand
Device
Copying Equipment / Section 14 Electrical Section
File
mx-6500n-mx-7500n-sm28.pdf
Date
PREV: Sharp MX-6500N / MX-7500N (serv.man27) Service Manual

Sharp MX-6500N / MX-7500N (serv.man28) Service Manual ▷ View online

MX-7500N  ELECTRICAL SECTION  14 – 31
4. Signal list
Signal name
Name [Type]
Function/Operation
Connector level
Connector 
No.
Pin 
No.
PWB name
NOTE
L
H
1TC_O-ERR
Primary transfer high 
voltage open error
Primary transfer high 
voltage open error 
detection
High voltage 
error state
–
CN23
16
PCU PWB
1TC_S-ERR
Primary transfer high 
voltage short error
Primary transfer high 
voltage short error 
detection
High voltage 
error state
–
CN23
14
PCU PWB
1TUD_CL
Primary transfer 
separation CL detection
Primary transfer 
separation CL detection
–
–
CN23
23
PCU PWB
Judged by 
combination 
with BK.
1TUD_K
Primary transfer 
separation BK detection
Primary transfer 
separation BK detection
–
–
CN13
A-3
PCU PWB
Judged by 
combination 
with CL. 
(1TUD_BK)
1TURC
Primary transfer 
separation clutch
Primary transfer 
separation clutch control
Clutch ON
–
CN13
B-8
PCU PWB
1TURRC
Primary transfer 
separation reverse 
clutch
Primary transfer 
separation reverse 
clutch control
Clutch ON
–
CN13
B-10
PCU PWB
2TBMD_F
Secondary transfer belt 
skew detection F
Secondary transfer belt 
skew detection F
SKEW
–
CN9
3
PCU PWB
2TBMD_HP
Skew correction cam HP 
detection
Skew correction cam 
HP detection
–
–
CN9
10
PCU PWB
2TBMD_R
Secondary transfer belt 
skew detection F
Secondary transfer belt 
skew detection F
SKEW
–
CN9
4
PCU PWB
2TC_ERR
Secondary transfer 
charger error
Secondary transfer 
charger error
–
High voltage 
error state
CN12
26
PCU PWB
2TUM_CK
Secondary transfer 
Motor CLK
Secondary transfer 
Motor CLK
–
–
CN26
3
PCU PWB
2TUM_CW
Secondary transfer 
Motor CW/CCW
Secondary transfer 
Motor CW/CCW
CCW
CW
CN26
5
PCU PWB
2TUM_D
Secondary transfer 
Motor ON/OFF
Secondary transfer 
Motor ON/OFF
Motor ON
–
CN26
4
PCU PWB
2TUM_LD
Secondary transfer 
Motor Lock detection
Secondary transfer 
Motor Lock detection
Normal 
rotation 
state
–
CN26
6
PCU PWB
ADD_OCACIS
CIS unit communication
CIS unit communication
–
–
CN14
6
PCU PWB
ADUFM1_CNT
ADU transport cooling 
fan motor 1 PWM
ADU transport cooling 
fan motor 1 PWM 
control
–
–
CN12
35
PCU PWB
ADUFM1_V
ADU transport cooling 
fan motor 1 ON/OFF
ADU transport cooling 
fan motor 1 ON/OFF 
control
Fan motor 
ON
CN12
31
PCU PWB
ADUFM2_CNT
ADU transport cooling 
fan motor 2 PWM
ADU transport cooling 
fan motor 2 PWM 
control
–
–
CN12
37
PCU PWB
ADUFM2_V
ADU transport cooling 
fan motor 2 ON/OFF
ADU transport cooling 
fan motor 2 ON/OFF 
control
–
Fan  motor 
ON
CN12
33
PCU PWB
/ADUFM_F_CNT
ADU transport cooling 
fan motor F PWM
ADU transport cooling 
fan motor F PWM 
control
–
–
CN12
35
PCU PWB
/ADUFM_R_CNT
ADU transport cooling 
fan motor R PWM
ADU transport cooling 
fan motor R PWM 
control
–
–
CN12
37
PCU PWB
ADUGS
ADU gate solenoid
ADU gate solenoid 
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
AKM_EEPROM chip 
select
–
Chip select
CN24
12
PCU PWB
AK_CS_EEP_C2
AKM_EEPROM chip 
select
AKM_EEPROM chip 
select
–
Chip select
CN24
10
PCU PWB
AK_CS_EEP_K1
AKM_EEPROM chip 
select
AKM_EEPROM chip 
select
–
Chip select
CN24
16
PCU PWB
AK_CS_EEP_K2
AKM_EEPROM chip 
select
AKM_EEPROM chip 
select
–
Chip select
CN24
14
PCU PWB
AK_CS_EEP_M1
AKM_EEPROM chip 
select
AKM_EEPROM chip 
select
–
Chip select
CN24
8
PCU PWB
AK_CS_EEP_M2
AKM_EEPROM chip 
select
AKM_EEPROM chip 
select
–
Chip select
CN24
6
PCU PWB
MX-7500N  ELECTRICAL SECTION  14 – 32
AK_CS_EEP_Y1
AKM_EEPROM chip 
select
AKM_EEPROM chip 
select
–
Chip select
CN24
4
PCU PWB
AK_CS_EEP_Y2
AKM_EEPROM chip 
select
AKM_EEPROM chip 
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
ADU transport detection 
1
Paper 
presence
–
CN12
19
PCU PWB
APPD2
ADU transport detection 
2
ADU transport detection 
2
Paper 
presence
–
CN12
21
PCU PWB
BTM_CK
Primary transfer belt 
motor clock
Primary transfer belt 
motor clock signal
–
–
CN13
B-3
PCU PWB
BTM_CW/CCW
Primary transfer belt 
motor CW/CCW switch
Primary transfer belt 
motor CW/CCW switch 
control
CCW
CW
CN13
B-5
PCU PWB
BTM_D
Primary transfer belt 
motor ON/OFF
Primary transfer belt 
motor ON/OFF control
Motor ON
–
CN13
B-4
PCU PWB
BTM_LD
Primary transfer belt 
motor lock detection
Primary transfer belt 
motor lock detection
Normal 
rotation 
state
–
CN13
B-6
PCU PWB
C3LUD
Casette 3 upper limit 
detection
Casette 3 upper limit 
detection
Upper limit
–
CN5
A-7
PCU PWB
C3LUM
Cassette 3 lift motor
Cassette 3 lift motor 
control
–
Lift
CN3
A-14
PCU PWB
C3PED
Paper empty detection 
cassette 3 
Cassette 3 paper empty 
detection
Paper empty
Paper 
presence
CN5
A-4
PCU PWB
C3PFD
Cassette 3 transport 
detection
Cassette 3 transport 
detection
Paper 
presence
–
CN5
A-10
PCU PWB
C3PUC
Cassette 3 paper feed 
clutch
Cassette 3 paper feed 
clutch control
Clutch ON
–
CN3
B-5
PCU PWB
C3PUS
Paper feed pickup 
solenoid cassette 3
Cassette 3 paper feed 
pickup solenoid control
Solenoid ON
–
CN5
A-1
PCU PWB
C3SPD
Cassette 3 paper 
remaining quantity 
detection
Cassette 3 paper 
remaining quantity 
detection
–
–
CN3
B-11
PCU PWB
3-step 
remaining 
quantity 
detection 
according to 
cassette lifting 
(L to H to L)
C3SS1
Cassette 3 paper size 
detection 1
Cassette 3 paper size 
detection 1
Size 
detection 
SW ON
–
CN3
A-7
PCU PWB
C3SS2
Cassette 3 paper size 
detection 2
Cassette 3 paper size 
detection 2
Size 
detection 
SW ON
–
CN3
A-8
PCU PWB
C3SS3
Cassette 3 paper size 
detection 3
Cassette 3 paper size 
detection 3
Size 
detection 
SW ON
–
CN3
A-9
PCU PWB
C3SS4
Cassette 3 paper size 
detection 4
Cassette 3 paper size 
detection 4
Size 
detection 
SW ON
–
CN3
A-10
PCU PWB
C4LUD
Cassette 4 upper limit 
detection
Cassette 4 upper limit 
detection
Upper limit
–
CN5
B-7
PCU PWB
C4LUM
Cassette 4 lift motor
Cassette 4 lift motor 
control
–
Lift
CN3
A-12
PCU PWB
C4PED
Cassette 4 paper empty 
detection
Cassette 4 paper empty 
detection
Paper empty
Paper 
presence
CN5
B-4
PCU PWB
C4PFD
Cassette 4 transport 
detection
Cassette 4 transport 
detection
Paper 
presence
–
CN5
B-10
PCU PWB
C4PUC
Cassette 4 paper feed 
clutch
Cassette 4 paper feed 
clutch control
Clutch ON
–
CN3
B-7
PCU PWB
C4PUS
Paper feed pickup 
solenoid cassette 4
Cassette 4 paper feed 
pickup solenoid control
Solenoid ON
–
CN5
B-1
PCU PWB
C4PWD
Cassette 4 width 
detection
Cassette 4 width 
detection
–
–
CN3
B-2
PCU PWB
Signal name
Name [Type]
Function/Operation
Connector level
Connector 
No.
Pin 
No.
PWB name
NOTE
L
H
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