Read Sharp AR-337 (serv.man3) Service Manual online
PCU
PWB
1
2
3
4
5
6
7
8
9
10
ORS
LED
OCSW
1
2
3
3
2
1
+24V1
/LED0
/LED1
+5V1
GND2
OCSW
1
2
3
1
2
3
+24V1
/CL
GND1
CL
INV
TM
TCS
+24V1
DVCH1
TCS
GND2
+24V1
GND2
1
2
3
4
5
6
7
1
2
3
4
5
6
7
DVCH1
GND2
TCS
GND2
+24V1
Bias
2
3
4
Bias
ICU
+24V1
+5V1
GND1
GND2
1
2
3
4
1
2
3
4
+24V1
TXD-ADF
F-GND
RXD-ADF
+5V1
/DSR-ADF
RES-ADF
GND2
/DTR-ADF
3
4
5
6
7
8
9
10
11
3
4
5
6
7
8
9
10
11
12
12
GND1
F-GND
F-GND
ADF
1
2
3
4
5
6
7
8
F-GND
1
2
3
5
7
9
11
13
15
F-GND
GND2
CTS-RIC
/DSR-RIC
/RXD-RIC
TXD-RIC
+5V1
/DTR-RIC
/RTS-RIC
1
1
Bias
1
2
3
4
5
6
7
8
9
10
1
2
3
4
5
6
7
8
9
10
11
GND2
9
10
11
12
13
1
2
3
4
5
6
7
8
9
TMS
GND2
TMS
GND2
8
9
10
11
12
8
9
10
11
12
9
8
7
6
5
4
3
9
8
7
6
5
4
3
1
2
2
1
QR/P8-12S-2C
1
2
3
4
5
6
7
8
9
1
2
2
1
12
13
10
11
12
13
14
10
11
12
13
14
15
16
15
16
/SPF SCAN
14
A
B
1
2
3
4
5
7
8
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
+5VLD
+
3
8
V
IC
U
+24V1 I
C
U
G
N
D
1
IC
U
G
N
D
1
IC
U
+12V1 I
C
U
+
5
V
1
IC
U
+
5
V
1
IC
U
+
5
V
1
IC
U
+
3
.3
V
IC
U
U
+
3
.3
V
IC
U
U
-5
V
IC
U
G
N
D
2
IC
U
G
N
D
2
IC
U
G
N
D
2
IC
U
G
N
D
2
IC
U
+
5
V
1
IC
U
S
+
3
.3
V
IC
U
U
S
+
3
.3
V
IC
U
U
S
+
5
V
1
IC
U
S
+
5
V
1
IC
U
S
GND2
I
CUS
GND2
I
CUS
GND2
I
CUS
GND2
I
CUS
GND2
I
CUS
+12V1 H
D
I
GND1
HDI
+5
V1
HDI
V1
HDI
GND2
HDI
14
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
DVCH1
GND2
TCS
GND2
+24V1
TMS
GND2
TXD-ADF
RXD-ADF
/DTR-ADF
(NC)
RES-LCC
/DTR-LCC
TXD-LCC
/DSR-LCC
3
4
5
5
4
3
TMS
GND2
+24V1
/CL
GND1
/LED0
/LED1
+24V1
+5V1
GND2
OCSW
F-GND
GND2
TCS
/DSR-ADF
RES-ADF
RXD-LCC
RES-LCC
/DTR-LCC
TXD-LCC
/DSR-LCC
RXD-LCC
+5V1
GND2
+24V1
GND1
DH-L
DH-N
F-GND
1
2
9
10
8
11
3
4
5
6
7
GP1A22LC
GND2
PCU CLK/
PCU TXD/
PCU RXD/
PCU RDY/
PCU LRQ/
SCAN/
LD START/
PCU RES
FW
F RES
PCU CLK/
PCU TXD/
PCU RXD/
PCU RDY/
PCU LRQ/
SCAN/
LD START/
PCU RES
PAGE/
FW
F RES
TXD-ADF
RXD-ADF
/DTR-ADF
/DSR-ADF
RES-ADF
(NC)
/SPF SCAN
+5V1
GND2
OCSW
+24V1
/LED0
/LED1
+24V1
/CL
GND1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
1
2
3
DVCH2
DVCH3
DVCH4
DVCH2
DVCH3
DVCH4
10
11
12
10
11
12
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
SMP-03V-NC
DF1B-3EP-2.5RC(BL)
CN4
CN5
B32B-KRWHK
GND2
CTS-RIC
DSR-RIC
RXD-RIC
TXD-RIC
+5V1
DTR-RIC
RTS-RIC
GND2
TXD-PRT
RXD-PRT
RTS-PRT
CTS-PRT
POFB
/P
R
T-R
E
E
S
/A
2
-R
E
S
TXD-PRT
GND2
RXD-PRT
RTS-PRT
CTS-PRT
POFB
2
12
PAGE/
F RES
FW
PAGE/
3
1
4
1
2
3
4
GY
GY
RD
BL
GY
GY
RD
BL
BL
GY
GY
LB
LB
LB
LB
LB
LB
LB
LB
LB
LB
LB
LB
LB
BL
B20B-KRWHK
2
2
/SPF SCAN
LB
LB
LB
LB
LB
LB
LB
LB
LB
RD
RD
LB
LB
LB
LB
LB
LB
LB
LB
RD
GY
GY
RD
BL
GY
OR
GY
BL
GY
LB
LB
LB
LB
LB
LB
LB
A
B
1
6
7
8
9
10
11
12
13
14
15
16
18
19
20
21
22
+5VLD
GND2
+5V1
-5V
B1
B2
B3
B4
SYNC/
VIDEO
VIDEO/
LDON/
GND2
START/
READY/
+24V1
GND1
+5VLD
GND2
+5V1
-5V
B1
B2
B3
B4
SYNC/
VIDEO
VIDEO/
LDON/
GND2
START/
READY/
+24V1
GND1
1
10
9
11
8
7
6
5
3
12
13
14
1
3
2
5
4
1
3
2
5
4
CN7
CN10
DF1B-22DP-2.5DS
CN1
TM1A
TM1B
TM1A
TM1B
TM1A
TM1B
TM1A
TM1B
+12V1 0P
+24V3 O
P
1
5
RI
C
C
LC
C
C
LSU
22
30
28
1
25
23
21
9
6
7
5
19
17
15
+5V1 SM
+5V1 ADF
+5V1 LCC
-5V LSU
+5V1 ICU
+5V1 ICU
+5V1 ICU
+3.3V ICU
+3.3V ICU
+3.3V ICUS
+3.3V ICUS
+5V1 ICUS
+5V1 ICUS
+5V1 ICUS
34
29
30
18
17
15
16
3
1
31
24
20
7
19
5
8
GND1 MM
+38V SM
GND1 SM
GND1 ADF
+24V1 ADF
+24V1 LCC
GND1 LCC
+12V1 ICU
+12V1 OP
+38V2 OP
GND1 ICU
GND1 ICU
+24V3 OP
+24V1 ICU
+12V1 HDI
GND1 HDI
4
2
13
11
9
7
23
21
19
17
15
25
GND2 LCC
GND2 ADF
GND2 ICU
GND2 ICU
GND2 ICU
GND2 ICU
GND2 ICUS
GND2 ICUS
GND2 ICUS
GND2 ICUS
GND2 ICUS
GND2 HDI
13
+5V1 HDI
CN704
(26Pin)
DC
P/S
DC
P/
S
+5VLD
/PRT-RES
/A2-RES
(2-2A)
(2-2A)
(2-3A)
A
B
B28B-KRWHK
S22B-PHDSS
Bias
(2-4C)
(2-2A)
(2-2A)
(2-2A)
(2-2A)
(2-2A)
(2-2A)
CN702 (34Pin)
CN703 (30Pin)
1
2
3
4
+12V1 HDI
GND1 HDI
GND2 HDI
+5V1 HDI
HDD
GY
OR
RD
RD
GY
GY
PL
OR
OR
GY
RD
GY
RD
GY
PL
GY
BL
BL
BL
BL
OR
OR
OR
OR
BL
BL
BL
BL
BL
BL
BL
BL
GY
GY
GY
GY
GY
GY
GY
GY
GY
GY
GY
GY
ADF
ADF
ADF
ADF
LCC
LCC
LCC
LCC
PL
PL
GY
GY
BL
BL
PL
BR
LB
PK
BR
LB
PL
PK
GY
PL
OR
RD
GY
PK
LB
PL
BR
PK
LB
BL
GY
BR
RD
LB
GY
RD
PK
LB
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
GY
GY
GY
GY
GY
GY
GY
GY
GY
GY
GY
GY
1
2
9
10
8
11
12
3
4
5
6
7
RD
GY
LB
LB
LB
LB
LB
LB
GND2
PTH
A)
A)
A)
22
17
15
13
14
8
9
9
10
7
5
4
3
2
1
6
6
11
18
19
20
21
16
12
GY
BL
OR
OR
BL
BL
BL
PL
OR
GY
GY
RD
RD
OR
BL
GY
GY
GY
GY
PL
BL
CN11
CN12
SCSI PWB R
SCSI PWB L
CN103
AR-S330A.SCH
4
5
6
7
8
A
B
C
D
6
7
8
4
5
1/2
AR-287/337
AR-407/507
AR-407/507
2 – 2
4/5/2000
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