Sharp AR-275 (serv.man6) Service Manual ▷ View online
AR-235/275 CIRCUIT DIAGRAM - 31
34
98
.
1
56
2
3
1
.
1
.
1
.
1
12
OVDD
1
DB5
2
DB6
3
DB7
4
DB8
5
DB9
6
DVDD
7
DGND
8
SCLK
9
SDI
10
LOAD
11
PD
12
VRT
13
AVDD
14
CCDin
15
REFin
16
AGND
17
VRB
18
CAL
19
CLAMP
20
SPIX
21
SBLK
22
DB0
23
DB1
24
DB2
25
DB3
26
DB4
27
OGND
28
.
1
.
1
11
10
13
12
.
1
1A1
2
1A2
4
1A3
6
1A4
8
2A1
11
2A2
13
2A3
15
2A4
17
1G
1
2G
19
1Y1
18
1Y2
16
1Y3
14
1Y4
12
2Y1
9
2Y2
7
2Y3
5
2Y4
3
1
2
4
fRS
19
fLH
20
GND
1
GND
2
f2
15
fROG
16
GND
3
GND
4
GND
18
GND
22
GND
21
GND
12
GND
14
fCLP
17
VDD
6
GND
13
GND
7
f1
8
GND
9
Vout
5
GND
10
GND
11
.
1
C114 0.1uF
R108
100
IC104B
74ACT04MTC
IC104D
74ACT04MTC
Q100
2SC3606
R110
150
TP4
F2
C110 0.01uF
C111 0.1uF
R107
100
IC104C
74ACT04MTC
C115
0.1uF
D101
DAN202U
TP6
F1
R109
100
TP5
LH
TP1
RS
IC104A
74ACT04MTC
IC103
XRD98L59
C108
0.1uF
C112
0.1uF
C109
0.01uF
C113
0.1uF
C106
0.1uF
TP7
DATCK
TP8
REFCK
IC104E
74ACT04MTC
C121
0.1uF
C119
0.1uF
IC104F
74ACT04MTC
C120
0.1uF
C105 22uF/6.3V
+
R102
NC(100)
TP2
ROG
R112
NC
C107
0.1uF
C117
0.1uF
R101
NC(100)
R103
NC(100)
IC101
74LCX244(SOP)
C102
22uF/6.3V
+
C101
0.1uF
IC102
NC7SZ08
R104
100
R120
100
C103
0.1uF
IC1
ILX533A ES
TP3
CCDOUT
R105
240
C116
0.1uF
C104
10pF
R106
240
A12V
A3.3V
VCC
A3.3V
A3.3V
/fR
/f2
/fLH
/fROG
CCD-D2
CCD-D3
CCD-D0
CCD-D1
CCD-D6
CCD-D7
CCD-D5
CCD-D4
WRT
SD
SCLK
/DATCK
/RS
/RS
/f1
/DUMC
/DATCK
OB
/REFCK
A
A
B
B
C
C
D
D
E
E
4
4
3
3
2
2
1
1
CCD PWB
2/2
AR-235/275 CIRCUIT DIAGRAM - 32
100nsec
100nsec
BD PWB
APC PWB
2
3
1
1
2
1
2
1
2
1
2
34
98
1
2
1
2
1
2
1
2
3
1
2
3
1
2
1
2
1
2
1
2
1
3
2
1
3
2
12
RS
1
AGND
2
RB
3
VB
4
Vref
5
VR
6
CH
7
/SH
12
AVcc
8
/DATA
13
1RM
10
2RM
9
/ENB
11
DATA
14
PD
16
DGND
17
LD
18
DGND
15
RO
19
DVcc
20
.
1
.
1
56
11
10
13
12
GND1
1
/SYNC1
2
+5V1
3
+5V
4
/SYNCout
5
/VIDEO
6
/SAMP
7
APCSTT
8
GND
9
SELCT
10
1
2
7
5
6
3
+5V1
1
/SYNC1
2
GND1
3
1
2
R21
360
R11
NC
R2
62
LD1
RLD78NP
PD
LD
C111
0.1uF
C1
A22uF/25V
+
R120
100
R19
10k
R9
10k
R10
10k
C108
1000pF
C113 1uF
R12
1M
C110
0.1uF
R22
10k
C105
1000pF
R18
100
IC2B
74ACT04F
IC2D
74ACT04F
R17
100
C104
0.1uF
R16
100
R3
10K
R5
10K
C102
1000pF
D1
PD481PI
R8
1k
R23
100k
Q2
2SA1576A
Q1
2SC4081
C115
0.1uF
R7
100
R4
100
R6
100
C114
0.1uF
VR2
15K
VR1
5K
IC2A
74ACT04F
R15
100
C5
33pF
R1
22
C109
0.1uF
C107
0.1uF
IC1
SN65ALS544
TP5
LD
TP6
PD
C103
0.1uF
IC2C
74ACT04F
IC2E
74ACT04F
IC2F
74ACT04F
FC1
C112
0.1uF
CN2
B10-PH
IC3A
TC7W66F
IC3B
TC7W66F
R13
750
R14
1K
TP1
RS
TP2
NC(Ro)
CN1
S3-PH
C106
0.1uF
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
A
A
B
B
C
C
D
D
E
E
4
4
3
3
2
2
1
1
6. LSU PWB
1/1
AR-235/275 CIRCUIT DIAGRAM - 33
1
2
3
1
3
2
CN1
B3B-PH-K-S
VR1
RDC505X001
A
A
B
B
C
C
D
D
E
E
4
4
3
3
2
2
1
1
7. VR PWB
1/1
AR-235/275 CIRCUIT DIAGRAM - 34
MCU PWB connection
PCL PWB connection
FAX PWB connection
8. MOTHER PWB
1/1
PCL PWB connection
TX25-60P-12ST-H1
FAX PWB connection
TX25-60P-12ST-H1
MCU-PWB connection
TX24-60R-12ST-H1
1
31
60
30
30
31
1
60
1
31
30
60
SIGNAL GROUND
POWER GROUND
PARTS LAYOUT (PARTS SURFACE)
/PCLCS1P
/PCLSRDY
/PCLCRDY
/PCLREQ1P
/PCLDET
FAXCMD
/FAXDET
FAXSTS
/FAXSRDY
/FAXACK0P
/FAXCS0P
/FAXACK1P
/PCLCS0P
/RESET
/PWOFF
/SCLINE
/PRLINE
/RESET
/PWOFF
/SCLINE
/READY
/HSYNC
/SCLINE
/READY
/PWOFF
/HSYNC
/HSYNC
/PRLINE
/PRLINE
/READY
/PCLREQ0P
/PCLACK1P
/PCLCRDY
PCLSTS
/PCLREQ1P
/PCLREQ0P
/PCLDET
/FAXCRDY
/FAXACK0P
/FAXDET
FAXSTS
/FAXSRDY
/FAXCS0P
/FAXREQ0P
/RESET
PCLSTS
/PCLSRDY
/PCLCS1P
/PCLCS0P
/PCLPAGE
/PCLPAGE
PCLCMD
PCLCMD
/PCLPRD
/PCLPRD
/PCLACK1P
FAXCMD
/FAXCRDY
/FAXPRD
/FAXPRD
/FAXREQ1P
/FAXCS1P
/FAXREQ0P
/FAXPAGE
/FAXPAGE
/PCLACK0P
/PCLACK0P
GDATA14
GDATA2
GDATA9
GDATA9
GDATA4
GDATA5
GDATA13
GDATA12
GDATA3
GDATA5
GDATA6
GDATA10
GDATA8
GDATA3
GDATA15
GDATA9
GDATA6
GDATA1
GDATA1
GDATA10
GDATA8
GDATA15
GDATA13
GDATA0
GDATA14
GDATA8
GDATA6
GDATA10
GDATA14
GDATA0
GDATA0
GDATA2
GDATA10
GDATA7
GDATA11
GDATA1
GDATA3
GDATA6
GDATA5
GDATA3
GDATA7
GDATA7
GDATA7
GDATA13
GDATA5
GDATA15
GDATA15
GDATA4
GDATA2
GDATA9
GDATA12
GDATA4
GDATA14
GDATA0
GDATA2
GDATA12
GDATA11
GDATA13
GDATA1
GDATA8
GDATA12
GDATA4
GDATA11
GDATA11
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
17
17
18
18
19
19
20
20
21
21
22
22
23
23
24
24
25
25
26
26
27
27
28
28
29
29
30
30
31
31
32
32
33
33
34
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43
43
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44
45
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47
47
48
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49
50
50
51
51
52
52
53
53
54
54
55
55
56
56
57
57
58
58
59
59
60
60
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
17
17
18
18
19
19
20
20
21
21
22
22
23
23
24
24
25
25
26
26
27
27
28
28
29
29
30
30
31
31
32
32
33
33
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42
43
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44
45
45
46
46
47
47
48
48
49
49
50
50
51
51
52
52
53
53
54
54
55
55
56
56
57
57
58
58
59
59
60
60
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
17
17
18
18
19
19
20
20
21
21
22
22
23
23
24
24
25
25
26
26
27
27
28
28
29
29
30
30
31
31
32
32
33
33
34
34
35
35
36
36
37
37
38
38
39
39
40
40
41
41
42
42
43
43
44
44
45
45
46
46
47
47
48
48
49
49
50
50
51
51
52
52
53
53
54
54
55
55
56
56
57
57
58
58
59
59
60
60
CN1
TX25-60P-12ST-H1
C225
0.1uF
C226
0.1uF
C224
0.1uF
C223
0.1uF
C221
0.1uF
C222
0.1uF
C219
0.1uF
C220
0.1uF
C206
0.1uF
C204
0.1uF
C203
0.1uF
C202
0.1uF/50V
C201
0.1uF/50V
C211
0.1uF/50V
C212
0.1uF/50V
C213
0.1uF
C214
0.1uF
C215
0.1uF
C216
0.1uF
C209
0.1uF
C210
0.1uF
TP4
TP6
TP8
TP10
TP9
TP11
TP13
TP15
TP17
TP19
TP21
TP22
TP24
TP5
TP7
TP25
TP26
TP28
TP30
TP32
TP34
TP36
TP37
TP39
TP12
TP14
TP16
TP18
TP20
TP23
TP29
TP31
TP27
TP33
TP35
TP40
TP41
TP42
TP43
TP44
TP45
TP46
TP47
TP48
TP49
TP50
TP51
TP52
TP53
TP54
TP55
TP1
TP2
TP3
TP38
CN2
TX25-60P-12ST-H1
C218
0.1uF
C217
0.1uF
CN3
TX24-60R-12ST-H1
C208
0.1uF/50V
C207
0.1uF/50V
C205
0.1uF
5V
5V
3.3V
3.3V
5V
5V
3.3V
3.3V
24V
24V
3.3V
5V
24V
GDATA[15..0]
A
A
B
B
C
C
D
D
E
E
4
4
3
3
2
2
1
1
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