Sharp AL-2021 Service Manual ▷ View online
AL-2041 ELECTRICAL SECTION 13 - 1
[13] ELECTRICAL SECTION
1. Block diagram
A. Overall block diagram
DC f
a
n motor
Br
us
hle
ss
motor
S
ynchrono
us
motor
Bi-pol
a
r
s
tepping motor
Uni-pol
a
r
s
tepping motor
AL-2041 only
Uni-pol
a
r
s
tepping motor
AL-2041 ELECTRICAL SECTION 13 - 2
2. Actual wiring diagram
A. MCU PWB
S
MR-0
3
V-
N
S
MP-0
3
V-
N
C
C
N
3
C
N
2
CN
1
1
LEDPPD2
1
LEDPPD2
1
1
1
1
22
2
2
2
2
3
D-GN
D
3
3
3
3
S
MR-02V
-N
S
MP-02V
-NC
17922
8
-2
PHR-
3
B
3
B-PH-K-
S
4
4
1
R
TH_IN
1
5
5
2
2
6
6
7
7
8
8
9
9
0
1
0
1
1
1
1
1
2
1
2
1
B4B-PH-K-
S
3
1
3
1
4
1
4
1
5
1
5
1
6
1
6
1
7
1
7
1
8
1
8
1
1
8
FMN-BMTTR-A-TBT
IM
S
A-9619
S
-1
8
A
C
N
1
7
1
2
XAP-05V
-1
B05B-XA
S
K-1
3
4
B4B-PH-K-R
P
HR-4-R
CN
2
3
1
1
2
2
3
3
4
4
PHR-
3
B
3
B-PH-K-
S
5
5
6
6
7
7
0
8
CZ-6H
0
8
CZ-6H
B0
8
B-CZHK-B-1
8
8
-H
S
YN
C
8
9
9
D-GND
7
0
1
0
1
+5V
6
1
1
1
1
5
2
1
2
1
-LDE
N
4
3
1
3
1
-VIDEO
3
4
1
4
1
-S
/H
2
5
1
5
1
D-GND
1
6
1
6
1
B0
8
B-CZHK-B-1
7
1
7
1
8
1
8
1
9
1
9
1
0
2
0
2
1
2
1
2
CZHR-05V
-H
17922
8
-5
29217
3
-5
CN
4
2
2
2
2
5
3
2
3
2
4
4
2
4
2
3
5
2
5
2
2
6
2
6
2
1
7
2
7
2
B05B-CZHK-B-1
8
2
8
2
9
2
9
2
0
3
0
3
1
3
1
3
2
3
2
3
3
2FMN-BTRK-A
FF4-
3
2-
S
15D5
B5B-P
A
S
K-1
P
AP-05V
-S
CN
8
1
2
CN
25
3
3
2
MMLD
4
MMLD
1
4
/MMCLK
5
/MMCLK
2
6
P
AP-05V
-S
B5B-P
A
S
K-1
4
8
1
T
S
HR-04V-K
3
5
7
9
C
N
1
9
10
TM
A
_
O
B10B-PHD
SS
-B
TM
B
_
O
PHDR-10V
-2
VHR-2N
B2P-VH
5025-0
8
11
11
22
66
CN
1
3
55
88
/RR
S
PHR-
3
-BL
B
3
B-PH-K-E
CN
10
T
1
02
1
1
PF-1
8
7U(RED)
#1
8
7
2
NVR-02
B02P-NV
CN
11
CN
12
1
CN
2
8
CN
6
2
3
1
1
VHR-
3
N
P2P
3
-VH
2
2
PHR-
3
B
3
B-PH-K-
S
3
3
4
4
T
101
1
5
5
PF-1
8
7U(WHITE)
#1
8
7
6
6
2921
33
-2
17577
8
-2
CN
16
7
7
CED1
1
8
8
CN
9
D-GN
D
2
1
B
8
B-PH-K-
S
PHR-
8
#250 PF-250U(RED)
PHR-
3
-BK
B
3
B-PH-K-K
CN
1
8
CN
101
1
9
CN
002
1
2
0
1
PHR-
3
-R
B
3
B-PH-K-R
1
1
2
3
1
1
4
2
1
HLN
22
VHR-
3
N
B2P
3
-VH
5
3
1
ELR-02V
ELP-02V
VHR-
3
N-R
B2P
3
-VH-R
6
4
1
ELR-02V(RED)
ELP-02V(RED)
CN
10
7
5
1
CN
001
1
VTR-02
B02B-VT
8
6
1
2
9
7
1
L
1
100V
, 120V (Nor
th Amer
ic
a
), etc.
3
0
1
8
1
N
2
4
1
1
9
1
5
S
RA-51T
-4
2
1
0
2
PHR
-5-R
B5B-PH-K-R
3
1
1
2
OR
4
1
2
2
5
1
3
2
CN
001
CN
6
VTR-02
B02B-VT
6
1
4
2
200V
s
er
ie
s
only
B24B-PNDZ
S
-1
P
NDP-24V
-Z
B16B-PNDZ
S
-1
L
1
L
PNDP-16V
-Z
N
2
N
VHR-2N-R
B2P-VH-R
S
RA-51T
-4
MCFB
TC
DHAI-0270Q
S
ZZ
D-R
S
T
h
a
rn
e
ss
PG
N
D
KIN2
3
/DMT_1
5V
DR
S
T
D-GND
5V
/DMT_0
OP-D
A
T
A
5VEN
S
ELIN1
OP-CLK
S
ELIN2
OP-LA
TCH
CCD_PHI2
D-GND
CCD_PHI1
PPD1
(AFE_DB0)
(AFE_DB2)
CCD-R
S
(B
S
AMP)
CCD-CP
(AFE_
S
DI)
24V
/MMD
24V1(D
S
W
S
)
5
䌖
D-GND
D-GND
/MPF
S
24V
24V
D-GND
CED1
D-GND
LEDPPD1
D-GND
(AFE_DB1)
(AFE_DB7)
(AFE_DB5)
(AFE_DB6)
mt_
a
t_home
D-GND
(AFE_DB4)
(AFE_DB
3
)
D-GND
(V
S
AMP)
OUTB-
OUT
A
+
EN5V
P
S
W
F
ANLK
/VFMCNT
PGND
P
S
L
ONL
D-GND
/LDEN
/VIDEO
S
HOLD
INT5V
D-GND
DR
S
T
D-GND
D-GND
KIN1
DR
S
T
5
S
ELIN
3
OP-
S
TB
D-GND
DR
S
T
S
ELIN1
OP-CLK
EN5V
KEYIN2#
P
S
W
OUT
A
-
P-GND
LEDPOD
POD
S
ELIN2
OP-D
A
T
A
OP-LA
TCH
OUTB+
P
S
L
ONL
D-GND
2
D-GND
KEYIN1#
S
ELIN
3
S
TR
OBE
PPD2
D-GND
D-GND
D-GND
R
TH_IN
/DMT_2
D-GND
/S
YNC
VFMOUT
/DMT_
3
24VD
u
pMT
1
2
4
5
3
4
1
1
D-GND
2
CCD-TG
P-GND
VCL
D-GND
VCL
12V
12V
3
1
2
D-GND
2
3
1
1
2
3
4
5
3
4
1
3
2
2
P-GND
P-GND
VCL
VCL
12V
12V
EN5V
D-GND
(V
S
AMP)
CCD-TG
D-GND
CCD-R
S
(B
S
AMP)
CCD-CP
(AFE_
S
DI)
CCD_PHI2
D-GND
CCD_PHI1
(AFE_
S
EN)
(AFE_DB5)
VCL
P-GND
A
C
V
OUT
GND
GND
(AFE_DB6)
A
C
V
OUT
D-GND
(ADCLK)
D-GND
(AFE_
S
CK)
(AFE_DB7)
MHP
S
(AFE_DB4)
(AFE_DB
3
)
(AFE_DB2)
(AFE_DB1)
(AFE_DB0)
24V
5VEN
TC
S
DV
S
EL
24V
TC
S
DV
S
EL
D-GND
BIA
S
BIA
S
F-GND
MC
INT5V
INT24V
D-GND
P-GND
D-GND
3
.3
VIN
P-GND
BC
P-GND
P-GND
12VIN
24V
FW
24V
/PR
HLOUT
EN5V
3
.3
VIN
5V
/POFF
P-GND
24V
/PR
HLOUT
P-GND
FW
EN5V
3
.3
VIN
5V
/POFF
HLL
INT24V
P-GND
DHAI-0515Q
S
PZ
GRID
24V
D-GND
P-GND
INT24V
PGND
/MMD
1
2
3
2
3
1
2
(CR
U
M
S
DA
)
(CR
U
M
S
CL)
PG
N
D
5VEN
PG
N
D
(CR
U
M
S
DA
)
(CR
U
M
S
CL)
24V
P-GND
DHAI-0519Q
S
PZ
PPD2
h
a
rn
e
ss
DHAI-02
8
7Q
S
ZZ
DHAI-02
8
6Q
S
ZZ
DHAI-0652Q
S
PZ
L
S
U l
as
er
h
a
rn
e
ss
(AFE_
S
EN)
(ADCLK)
/CPF
S
1
INT5V
INT24V
D-GND
(AFE_
S
CK)
PMCLK_A
HLN
DHAI-0525Q
S
P1
P
S
h
a
rn
e
ss
DHAI-0272Q
S
ZZ
DHAI-051
3
Q
S
PZ
OP
-M
CU
h
a
rn
e
ss
DHAI-026
8
Q
S
Z4
CCD M
C
U
h
a
rn
e
ss
3
(FFC)
DHAI-06
33
Q
S
PZ
A-J
A
G CR
UM
h
a
rn
e
ss
DHAI-0
3
0
8
Q
S
ZZ
S
en
s
or
h
a
rn
e
ss
/MC
P-GND
/BIA
S
/TC
DHAI-0491Q
S
ZZ
A
C
-INLET
h
a
rn
e
ss
/GRIDL
P-GND
3
HLL
3
.3
VIN
12VIN
24V
D-GND
/BIA
S
DHAI-065
3
Q
S
PZ
/PMD
PMRD
Y
6
7
3
2
8
1
PMCLK_A
4
5
4
5
DHAI-0514Q
S
P1
M
a
in motor h
a
rn
e
ss
(J
A
G
3
)
D-GND
P-GND
24V
PMRD
Y
/PMD
DHAI-0511Q
S
P1
HL HARNE
SS
2-100
DHAI-05
3
7Q
S
PZ
HL HARNE
SS
2-200
DHAI-0510Q
S
P1
HL HARNE
SS
1-100
DHAI-05
3
6Q
S
PZ
HL HARNE
SS
1-200
/TC
/GRIDL
/MC
PGND
DHAI-02
8
9Q
S
ZZ
PPD
1
h
a
rn
e
ss
D-GND
DHAI-0269Q
S
ZZ
CED1
h
a
rn
e
ss
1
1
2
3
1
POL
YGON MT
CED1
PPD1
D
S
W
DR
S
T
S
CANNER MT
CCD
PWB
CL
CL
TC
S
DV
u
n
HVT PWB
PO
WER
S
UPPL
Y
PWB
THERMO
S
TAT
HL
CR
UM
AL model only
A
C
-INLET
A
C
-CORD
A
C
-CORD
(E-PIN)
PPD2
DUP
model only
L
S
U
UN
MAIN
MT
T
O
NER
MT
CN20
CN5
PWB
MCU
RE
S
IS
T ROLLER
S
OLENOID
S
OLENOID
CA
SS
ET
T
E PAP
E
R
AL model only
OPE
PWB
S
CANNER
UN
(E-PIN)
INVERTER
PWB
DHA
I-0267Q
S
PZ
䇭
BC
h
a
rn
e
ss
DHA
I-0292Q
S
ZZ
䇭
TC
h
a
rn
e
ss
DHA
I-027
3
Q
S
ZZ
䇭
GB-M
CBF
h
a
rn
e
ss
MC
h
a
rn
e
ss
Ther
mi
s
tor
F
a
n MT
P
P
D2 interf
a
ce h
a
rn
e
ss
PPD2
B5B-PH-K-
S
PHR-5
PHR-4
CN15
CN11
CN7
DNG-D
DUPLEX MT
PO
D
h
a
rn
e
ss
POD
MPF
S
S
OLENOID
D
S
W
h
a
rn
e
ss
LD
P
olygon motor
h
a
rn
e
ss
HL 100V
ser
ie
s connector white
HL 200V
ser
ie
s connector red
AL-2041 ELECTRICAL SECTION 13 - 3
B. SPF unit
DHAI-0532QSP1
CN2
CN2
179228-6 292132-6
24VSPFMT
1
5
COMA
24VSPFMT
2
2
COMB
SPMT_0
3
4
A
SPMT_2
4
6
/A
SPMT_1
5
3
B
SPMT_3
6
1
/B
SPID
7
DGND
8
LEDSPID
9
179228-3 292250-3
SPPD
10
1
SPID
DGND
11
2
DGND
LEDSPPD
12
3
LEDSPID
B12B-PH-K-S PHR-12
179228-3 292250-3
1
SPPD
2
DGND
3
LEDSPPD
DHAI-0532QSP1
SPF harness (A-JAG)
MCU
MCU
PWB
PWB
SPID
SPID
SPMT
SPMT
SPF UNIT
SPF UNIT
SPPD
SPPD
chosen by a model
chosen by a model
SPF harness (A-JAG)
AL-2041 ELECTRICAL SECTION 13 - 4
3. Signal name list
Signal name
Name
Function/Operation
Section
(ADCLK)
AFE
AFE control signal
Scanner unit section
(AFE_DB0)
AFE
Image scan data
Scanner unit section
(AFE_DB1)
AFE
Image scan data
Scanner unit section
(AFE_DB2)
AFE
Image scan data
Scanner unit section
(AFE_DB3)
AFE
Image scan data
Scanner unit section
(AFE_DB4)
AFE
Image scan data
Scanner unit section
(AFE_DB5)
AFE
Image scan data
Scanner unit section
(AFE_DB6)
AFE
Image scan data
Scanner unit section
(AFE_DB7)
AFE
Image scan data
Scanner unit section
(AFE_SCK)
AFE
AFE control signal
Scanner unit section
(AFE_SDI)
AFE
AFE serial data
Scanner unit section
(AFE_SEN)
AFE
AFE control signal
Scanner unit section
/BIAS
HV bias signal
HV bias drive
Process section
(BSAMP)
AFE
AFE control signal
Scanner unit section
CCD_PHI1
CCD
CCD control signal
Scanner unit section
CCD_PHI2
CCD
CCD control signal
Scanner unit section
CCD-CP
CCD
CCD control signal
Scanner unit section
CCD-RS
CCD
CCD control signal
Scanner unit section
CCD-TG
CCD
CCD control signal
Scanner unit section
CED1
Machine cassette detection
Paper transport section
/CPFS1
1st CS pickup solenoid
Paper transport section
/DMT_0
DUP motor
DUP motor phase control
Duplex drive section
/DMT_1
DUP motor
DUP motor phase control
Duplex drive section
/DMT_2
DUP motor
DUP motor phase control
Duplex drive section
/DMT_3
DUP motor
DUP motor phase control
Duplex drive section
DRST
Drum reset detection
CRU initial detection
Operation section
DVSEL
Developing tank detection
Developing section
FANLK
Fusing fan
Fan lock detection signal
Optical section
FW
Low voltage power
Zero cross detection
Power section
/GRIDL
HV grid signal
Main charger grid control
Process section
HLOUT
Heater lamp
Heater lamp control
Power section
KEYIN1#
Key scan input
Key detection control
Operation section
KEYIN2#
Key scan input
Key detection control
Operation section
/LDEN
Laser
Laser circuit control signal
LSU
LEDPOD
POD sensor power
Paper exit section
LEDPPD1
PPD sensor power
Paper transport section
LEDPPD2
PPD2 sensor power
Fusing section
LEDSPID
SPID sensor power
SPF section
LEDSPPD
SPPD sensor power
SPF section
/MC
HV MC signal
Main charger control
Process section
MHPS
MHPS sensor
Carriage HP detection
Optical section
/MMCLK
Main motor
Clock signal to the polygon motor
Main drive section
/MMD
Main motor
Polygon motor drive signal
Main drive section
MMLD
Main motor
Polygon motor ON/OFF detection signal
Main drive section
/MPFS
Multi bypass solenoid
Optical section
ONL
Online LED
Operation section
OP-CLK
LED driver control
Operation section
OP-DATA
LED driver control
Operation section
OP-LATCH
LED driver control
Operation section
OUTA-
Scanner motor
Scanner motor phase control
Optical drive section
OUTA+
Scanner motor
Scanner motor phase control
Optical drive section
OUTB-
Scanner motor
Scanner motor phase control
Optical drive section
OUTB+
Scanner motor
Scanner motor phase control
Optical drive section
PD1
PD SW sensor
1st CS paper width sensor
Not used
PMCLK_A
Polygon motor
Clock signal to the polygon motor
LSU
/PMD
Polygon motor
Polygon motor drive signal
LSU
PMRDY
Polygon motor
Polygon motor ON/OFF detection signal
LSU
POD
POD sensor
Paper transport detection
Paper exit section
/POFF
Low voltage power
Output power control
Power section
PPD1
PPD sensor
Paper transport detection
Paper transport section
PPD2
PPD2 sensor
Paper transport detection
Fusing section
/PR
Heater lamp
Power relay control
Power section
PSL
Power save LED
Operation section
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