Read Sharp AR-337 (serv.man3) Service Manual online
PCU
PWB
1
2
3
4
5
6
ORS
PD
PDSEL0
PDSEL1
PDSEL2
+5V1
PD
GND2
DSWF
DL
PDSEL0
PDSEL1
PDSEL2
+5V1
PD
GND2
/DL
+24V(DL)
DSWF
+24V2
1
2
3
4
5
6
7
8
9
10
11
/SM0
/SM1
/SM2
/SM3
VH(MirM)
VH(M
VH(MirM)
MHPS
MHPS
GND2
+5V1
MM
1
2
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
/PCLED
PCS
/DMLED
DMS
F-GND
1
2
3
4
5
6
7
8
9
10
11
12
VAREF
+5V1
GND2
MPFS
+24V1
MPED
MPWS
MPLD1
MPLD2
MPLS1
MPLS2
1
2
3
DSWF
MSS
MPWS
MPLS1
MPLS2
MPED
MPLD1
MPLD2
MPFS
MSS
IDPWB
DMPWB
F-GND
F-GND
/PCLED
PCS
/DMLED
DMS
+12V1
1
2
3
4
5
GND2
MPLS1
GND2
MPLS2
GND2
+5V1
MPED
+5V1
GND2
+5V1
GND2
MPLD2
MPFS
+24V1
MSS
+24V1
1
2
1
2
2
1
2
1
2
1
2
1
2
1
2
3
1
2
3
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
5
6
7
8
9
10
11
12
G
PWB
1
2
3
4
5
6
7
8
9
10
11
12
13
13
13
1
2
3
QR/P8-8S-2C
+24V2
B13B-PH-K-S
/
1
2
3
4
5
6
/MODE1
/NODE2
/MODE4
/MODE5
/SCLK
/CWB
SMRST
/SMRET
/SMEN
/SCLKin
B6B-PH-K-S
B13B-PH-K-S
B3B-XA
A
B
A
B
D
G
T
G
+
T
G
/PCLED
PCS
/DMLED
DMS
+12V1
+5V1
GND2
/MM
MM-T
T
R
/
(
R
/
T
/
1
2
3
1
2
3
+24V2
DSWF
DSWF(L)
DSWL
PDSEL0
PDSEL1
PDSEL2
+5V1
PD
GND2
/DL
+24V(DL)
+24V1
GND1
+
/
G
/
/
+
+
G
O
MHPS
GND2
+5V1
+5V1
GND2
VAREF
MPWS
MPLD1
MPLD2
MPED
MPLS1
MPLS2
MPFS
MSS
+24V1
/SCLK
SMRST
/SMRET
/SMEN
/SCLKin
/CWB
1
2
1
2
GND2
VA
R
R
E
F
MPWS
MPL
D
1
MPL
D
2
MPL
S
1
+5V1
8
7
6
5
4
3
2
1
1
2
3
4
5
6
7
8
1
2
2
1
/DL
+24V1
1
3
5
6
7
8
9
10
11
6
+24V2
DSWF
11
1
2
4
3
5
7
9
DSWF(L)
DSWL
KRWH-22-M B
KRWH-22-M A
11
10
9
8
7
6
5
4
3
2
1
+24V1
1
2
3
4
5
6
7
8
9
10
11
12
MPL
S
2
1
2
3
2
VAREF
MPWS
MPLD1
3
2
1
3
2
1
+12V1
+12V1
/PCLED
PCS
/DMLED
DMS
/
R
R
8
7
6
5
4
13
12
11
10
9
8
7
6
5
4
3
2
1
+24V1
(NC)
(NC)
P
P
P
P
P
S
L
P
P
F
F
VFM3
VFM3
2
1
VFM3
4
8
MSW PR/
+24V1
+24V1
MSW PR/
D
D
D
+12V1
ScannerM
SM
MSW
1
2
3
4
5
6
+38V(MM)
GND1(MM)
+5V1
GND2
/MM
MM-T
1
2
3
4
+12V1
+12V1
+12V1
+12V1
CN1
B24B-KRWHK
CN3
CN2
B26B-KRWHK
CN
CN
B3
+24V1
3
1
RD
RD
PL
RD
PL
GY
BL
GY
LB
LB
GY
LB
LB
LB
LB
LB
GY
LB
LB
LB
RD
RD
RD
RD
RD
LB
LB
LB
LB
LB
LB
LB
LB
LB
LB
LB
LB
LB
LB
LB
LB
LB
LB
LB
LB
LB
LB
LB
LB
PL
GY
BL
LB
LB
LB
LB
LB
LB
LB
LB
B2
1
2
3
4
5
6
1
2
3
4
+5V1
+5V1
+5V1
+5V1
GND2
GND2
GND2
GND2
GND2
GND2
1
2
3
4
5
6
1
2
3
4
+24V1
+24V1
+24V1
+24V1
+5V1
+5V1
+5V1
GND2
GND2
GND2
LB
LB
LB
LB
A
B
A
B
/MODE1
/NODE2
/MODE4
/MODE5
T
T
1
2
3
+24V1
MSW PR/
CN1
CN2
CN3
CN1
/PFM
/SVREF1
/SVREF2
/SVREF3
/SVREF1
/SVREF2
/SVREF3
LB
LB
LB
LB
3
3
+38V MM
GND2 MM
+5V1 MM
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
CN704
DC
P/S
(2-4D)
(2-4D)
+38V MM
(2-7D)
1
3
5
4
1
3
4
5
RD
GY
LB
BL
PL
BR
PK
LB
RD
LB
PL
OR
BR
PK
OR
LB
BR
PL
LB
OR
GY
GY
GY
GY
GY
GY
GY
GY
GY
GY
GY
GY
GY
GY
GY
GY
GY
GY
GY
GY
GY
GY
GY
GY
GY
GY
GY
GY
GY
GY
GY
GY
GY
LB
LB
LB
LB
MSW PR/
RD
RD
RD
LB
(NC)
(NC)
(NC)
3
2
6
7
PTH
PTH
GND2
1
3
PTH
GND2
LB
GY
PTH
GND2
G
P
(2-6A)
+24V1
/PFM
GND1
(2-6A)
(2-6A)
GND1
CFM
(NC)
CFM
CFM
GND1
1
2
2
1
LB
LB
LB
LB
LB
LB
LB
LB
LB
LB
LB
LB
LB
LB
1
2
3
4
5
1
2
3
4
5
A
B
C
D
HARNESS DIAGRAM (AR-407)
AR-287/337
AR-407/507
AR-407/507
4/5/2000
2 – 5
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