DOWNLOAD Sharp AR-285 (serv.man21) Service Manual ↓ Size: 252.56 KB | Pages: 6 in PDF or view online for FREE

Model
AR-285 (serv.man21)
Pages
6
Size
252.56 KB
Type
PDF
Document
Service Manual
Brand
Device
Copying Equipment / AR280 285 335 Circuit Operation Control PWB
File
ar-285-sm21.pdf
Date

Sharp AR-285 (serv.man21) Service Manual ▷ View online

1
2
3
4
5
6
7
8
D
C
B
A
D
C
B
A
1
2
3
4
5
6
7
8
C202
22000pF
IC8C
74LVC08NS
9
10
8
2
7
1
8
3
6
IC5A
74LVC04NS
1
2
1
8
R204
150KF
IC9F
74LV04NS
13
12
2
7
C208
22000pF
R205
75KF
3
6
2
7
1
8
1
8
2
7
IC201
LM317MDT
VIN
3
ADJ
1
VOUT
2
3
6
2
7
R206
36KF
4
5
2
7
1
8
1
8
4
5
C206
22000pF
4
5
3
6
C227
1
8
C228
C201
22000pF
C3
2.2uF/50V
+
C229
C213
22000pF
R209
47KJ
IC5E
74LVC04NS
11
10
2
7
4
5
1
8
C224
C226
4
5
4
5
3
6
C223
C222
IC5C
74LVC04NS
5
6
C215
22000pF
3
6
3
6
2
7
C6
10uF/35V
+
D204
RLS-73
R203
300KF
3
6
4
5
1
8
3
6
4
5
1
8
4
5
2
7
1
8
2
7
3
6
4
5
4
5
3
6
2
7
1
8
C225
1
8
2
7
3
6
4
5
1
8
2
7
3
6
4
5
3
6
2
7
1
8
3
6
2
7
4
5
R217
30KJ
R218
10KJ
R210
47KJ
R201
6.2KF
2
7
1
8
2
7
3
6
1
8
2
7
4
5
4
5
1
8
4
5
1
8
2
7
4
5
3
6
3
6
3
6
4
5
4
5
3
6
1
8
2
7
2
7
1
8
3
6
IC9E
74LV04NS
11
10
R222
47KJ
R202
560KF
R216
330KJ
X1
10.752MHz
1
3
2
R207
18KF
R224
1MJ
Q201
2SB1198K
Q202
2SD1782K
D201
RLS-73
R208
300F
4
5
IC2
IDT74FCT163244CPA
1A1
47
1Y1
2
1A2
46
1Y2
3
1A3
44
1Y3
5
1A4
43
1Y4
6
1A5
41
1Y5
8
1A6
40
1Y6
9
1A7
38
1Y7
11
1A8
37
1Y8
12
2A1
36
2Y1
13
2A2
35
2Y2
14
2A3
33
2Y3
16
2A4
32
2Y4
17
2A5
30
2Y5
19
2A6
29
2Y6
20
2A7
27
2Y7
22
2A8
26
2Y8
23
1G
1
4G
24
3G
25
2G
48
VCC
7
VCC
18
VCC
31
VCC
42
GND
4
GND
10
GND
15
GND
21
GND
28
GND
34
GND
39
GND
45
IC4
74HCT244NS
1A1
2
1Y1
18
1A2
4
1Y2
16
1A3
6
1Y3
14
1A4
8
1Y4
12
2A1
11
2Y1
9
2A2
13
2Y2
7
2A3
15
2Y3
5
2A4
17
2Y4
3
1G
1
2G
19
VCC
20
GND
10
IC6D
74LVC32NS
12
13
11
IC6C
74LVC32NS
9
10
8
C233
22000pF
IC7D
74F32SJ
12
13
11
14
7
IC5B
74LVC04NS
3
4
14
7
C219
22000pF
C218
22000pF
C232
22000pF
IC8D
74LVC08NS
12
13
11
14
7
Q208
UPA502T
3
4
2
1
5
Q207
UPA502T
3
4
2
1
5
Q206
UPA502T
3
4
2
1
5
1
8
2
7
C209
22000pF
2
7
3
6
3
6
2
7
4
5
1
8
3
6
1
8
4
5
3
6
4
5
4
5
2
7
IC8A
74LVC08NS
1
2
3
IC3
IDT74FCT164245TPA
1A1
47
1B1
2
1A2
46
1B2
3
1A3
44
1B3
5
1A4
43
1B4
6
1A5
41
1B5
8
1A6
40
1B6
9
1A7
38
1B7
11
1A8
37
1B8
12
2A1
36
2B1
13
2A2
35
2B2
14
2A3
33
2B3
16
2A4
32
2B4
17
2A5
30
2B5
19
2A6
29
2B6
20
2A7
27
2B7
22
2A8
26
2B8
23
1G
48
2G
25
1DIR
1
2DIR
24
VCC1
7
VCC1
18
VCC2
31
VCC2
42
GND1
4
GND1
10
GND1
15
GND1
21
GND2
28
GND2
34
GND2
39
GND2
45
IC5F
74LVC04NS
13
12
1
8
IC6B
74LVC32NS
4
5
6
IC5D
74LVC04NS
9
8
R221
47KJ
C216
22000pF
C214
22000pF
C217
22000pF
C211
22000pF
C8
22uF/10V
+
C212
22000pF
IC8B
74LVC08NS
4
5
6
IC7C
74F32SJ
9
10
8
C4
10uF/35V
+
IC6A
74LVC32NS
1
2
3
IC203
M5M5256CVP-10VXL
A0
10
A1
9
A2
8
A3
7
A4
6
A5
5
A6
4
A7
3
A8
25
A9
24
A10
21
A11
23
A12
2
A13
26
A14
1
OE
22
CE
20
WE
27
D1
11
D2
12
D3
13
D4
15
D5
16
D6
17
D7
18
D8
19
VCC
28
GND
14
IC204
M5M5256CVP-10VXL
A0
10
A1
9
A2
8
A3
7
A4
6
A5
5
A6
4
A7
3
A8
25
A9
24
A10
21
A11
23
A12
2
A13
26
A14
1
OE
22
CE
20
WE
27
D1
11
D2
12
D3
13
D4
15
D5
16
D6
17
D7
18
D8
19
VCC
28
GND
14
IC1
SC908SF2V
DI
S
1
FRM
2
YD
3
LP
4
XCK
5
VR1
6
VR2
7
VR3
8
VR4
9
VR5
10
VR6
11
STB
12
VCC
13
XC2
14
XC1
15
GND
16
BUSY
17
CONTRL
1
18
RESE
T
19
CONTRL
2
20
UBE
21
IO
R
D
22
IO
W
R
23
MRD
24
MWR
25
CE2
26
CE1
27
A15
28
A14
29
A13
30
A12
31
A11
32
A10
33
A9
34
A8
35
A7
36
A6
37
A5
38
A4
39
A3
40
A2
41
A1
42
A0
43
GND
44
VCC
45
D15
46
D14
47
D13
48
D12
49
D11
50
D1
0
51
D9
52
D8
53
D7
54
D6
55
D5
56
D4
57
D3
58
D2
59
D1
60
D0
61
GND
62
VCC
63
LR
/W
64
LC
E
65
LD
7
66
LD
6
67
LD
5
68
LD
4
69
LD
3
70
LD
2
71
LD
1
72
LD
0
73
AX0
74
AX1
75
AX2
76
AX3
77
AX4
78
AX5
79
AX6
80
BUFENB
81
AY0
82
AY1
83
AY2
84
AY3
85
AY4
86
AY5
87
AY6
88
AY7
89
AY8
90
VCC
91
GND
92
SD0
93
SD1
94
SD2
95
SD3
96
SD4
97
SD5
98
SD6
99
SD7
100
A9
A2
LD1
AX5
AX5
A7
A4
LD3
LD6
LD7
A13
A6
AX6
A11
A3
LD2
AX3
LD5
AX4
AX6
A0
A8
AX0
A14
LD4
AX3
A5
A1
A10
LD0
AX2
AX1
A[0:15]
AX1
A15
AX0
AX2
AX4
A12
LD
0
LD
3
LD[0:7]
LD
1
LD
5
LD
2
LD
7
LD
6
LD
4
AX2
AX6
AX4
AX5
AX3
AX0
AX1
AX[0:6]
LD2
LD6
LD3
LD5
LD7
LD4
LD1
LD0
D0
D1
D4
D5
D7
D2
D6
D3
D[0:7]
D12
D8
D13
D14
D[8:15]
D15
D11
D10
D9
AY5
AY0
AY0
AY6
AY7
AY1
AY[0:8]
AY2
AY3
AY4
AY4
AY7
AY2
AY4
AY6
AY1
AY0
AY6
AY3
AY8
AY5
AY2
AY5
AY1
AY3
AY7
+3.3V
+3.3V
+3.3V
+3.3V
+5VLCD
+3.3V
+38V
+3.3V
+3.3V
+5V
+5V
+3.3V
+3.3V
+3.3V
+3.3V
+5V
+3.3V
+3.3V
LCDC-CE1\
LCDC-CE2\
HWR\
LWR\
VEE-ON
OP-RES\
WAIT\
WR\
BK-ON
VEE-ON\
D1
D2
D3
M
S
CP1
D0
CP2
DIS\\
LCD-VEE
D[0:7]
D[8:15]
RD\
A[0:15]
AY8
AY8
OP CONTROL PWB (3-N1258FC)
BR223
47*4
BR212
10K*4
BR206
BR214
BR211
10K*4
BR216
BR217
BR220
330K*4
BR221
BR205
BR215
BR222
10K*4
10K*4
10K*4
10K*4
330K*4
47*4
10K*4
10K*4
FB201
FB202
100pF*8
BR218
BR219
10K*4
10K*4
BR213
10K*3
BR207
10K*4
68K*4
BR201
330K*4
BR210
BR203
BR209
BR204
330K*4
330K*4
330K*4
BR208
BR202
68K*4
68K*4
CN201-12
CN201-5
(1-5A)
(1-5A)
(1-6A)
(1-2C)
(1-2C)
(1-6C)
(1-6C)
(1-6C)
(1-2B)
(1-7B)
(4-2C)
(2-8C)
(5-4C)
(5-4C)
(4-7C)
(4-2C)
(5-4C)
(5-4C)
(5-4C)
(5-4C)
(5-4C)
(5-4C)
(5-4C)
(5-4C)
CN201-4
CN201-7
CN201-2
CN201-9
CN201-6
CN201-1
CN201-8
CN201-3
(3-4D)
(3-3D)
1
 2
3
1
 2
 3
14
7
BR213
10K*1
3/5
335-C31.DSF
1
2
3
4
5
6
7
8
D
C
B
A
D
C
B
A
1
2
3
4
5
6
7
8
C11
47uF/10V
+
C10
470uF/10V
+
C9
470uF/16V
+
C7
100uF/50V
+
C12
100uF/35V
+
C230
22000pF
C231
22000pF
C205
22000pF
C234
22000pF
D207
RB160L-40
C221
22000pF
C207
22000pF
C2
47uF/10V
+
C1
10uF/16V
+
C5
47uF/35V
+
C204
22000pF
C203
22000pF
D203
RLS-73
R219
330KJ
R220
330KJ
R215
56J(1/4W)
R239
10KF
R240
10KF
R241
18KF
R212
10KJ
R211
47KJ
IC9D
74LV04NS
9
8
Q203
2SB1197K
R227
10KJ
IC205B
LM358PS
5
6
7
+
-
IC12F
74VHCT04SJ
13
12
14
7
C259
22000pF
Q205
2SB1198K
R213
20KJ
R214
47KJ
IC11D
LM339NS
11
10
13
+
-
TP1
TP8
TP2
TP5
IC206
BA033FP
VIN
1
GND
2
VOUT
3
R242
7.5KF
D202
RLS-73
TP7
TP6
Q204
UPA502T
3
4
2
1
5
TP3
TP4
IC202
78L05UA
VIN
3
GND
2
VOUT
1
D1
LT1D67A
R225
270J
R262
1.2KJ
C253
2200pF
R266
2.2KJ
IC12E
74VHCT04SJ
11
10
C273
0.047uF
D227
RLS-73
R285
2KJ
R284
62KJ
R283
33KJ
R282
18KJ
VR1
MVR34
T1
T3
T2
R286
OJ
R287
OJ
R288
OJ
R289
OJ
R291
10KJ
D228
OJ(1/8W)
+3.3V
+24V1
+12V
+24V3
+38V
+12V
+5VLCD
+24V3
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+12V
VEE-ON
BK-ON
ASK
ASK
IR-TXD
IR-TXD
GND1
+24VOP
LCD-VDD
VEE-ON\
FRDY
+24V3
+24V1
GND1
GND1
+38V
+12V
+5V
+5V
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
+24V1
+24V1
+24V1
+5V
+5V
+5V
+5V
+5V
+5V
FRDY
GND1
+12V
GND2
GND2
GND2
GND2
VDD-ON
IRDA
IRDA
GND2
ROM-RES\
ROM-RES
SOUND-BZR\
GND2-+5V
SOUND
BZR\
OP CONTROL PWB (3-N1258FC)
GND2
GND1
GND2
GND2
GND2
GND2
GND1
CN106-5
CN101-12
CN101-11
CN106-3
CN201-10
CN202-1
CN202-3
CN102-4
CN102-3
CN102-1
CN104-8
CN104-11
CN105-10
CN102-2
CN104-7
CN104-13
CN102-10
CN102-8
CN204-3
CN101-1
CN101-10
CN102-7
CN102-9
CN105-6
CN105-8
CN106-2
CN106-4
CN106-6
CN201-11
CN204-2
CN204-10
CN205-3
CN205-9
CN104-6
CN204-4
CN102-6
CN106-1
CN102-5
CN105-7
CN105-4
CN205-1
CN204-12
(1-2C)
(3-4B)
(5-6C)
(5-6C)
(5-4D)
(5-4D)
(5-4C)
(5-4C)
(5-4C)
(3-2B)
(3-8A)
(5-6C)
(5-6C)
(5-6C)
(5-6B)
(5-6B)
(5-6A)
(5-6C)
(5-6B)
(5-6B)
(5-6C)
(5-6C)
(5-4B)
(5-6C)
(5-6B)
(5-6A)
(5-4D)
(5-4B)
(5-4B)
(5-6C)
(5-6A)
(5-6D)
(5-6C)
(5-6C)
(5-6C)
(5-6A)
(5-4D)
(5-4D)
(5-4C)
(5-4C)
(5-4B)
(5-4B)
(5-4B)
(5-4A)
(5-6A)
(5-4B)
1
 2
3
1
 2
3
(1/8W)
CN106-7
CN101-13
(5-6C)
(5-4C)
CN106-8
(5-4C)
(2-8C)
CN101-5
(5-6C)
(3-2C)
(4-6C)
(3-7A)
CN204-1 (5-4B)
(2-3B)
(2-4B)
4/5
335-C32.DSF
: Not mounted
1
2
3
4
5
6
7
8
D
C
B
A
D
C
B
A
1
2
3
4
5
6
7
8
CN102
S10B-PH-SM3-TB
1
2
3
4
5
6
7
8
9
10
CN105
S12B-PH-SM3-TB
1
2
3
4
5
6
7
8
9
10
11
12
CN205
S9B-PH-SM3-TB
1
2
3
4
5
6
7
8
9
CN204
S12B-PH-SM3-TB
1
2
3
4
5
6
7
8
9
10
11
12
CN202
S3B-PH-SM3-TB
1
2
3
CN203
04FFS-SP-TF
1
2
3
4
CN201
52207-1290
1
2
3
4
5
6
7
8
9
10
11
12
CN101
S13B-PH-SM3-TB
1
2
3
4
5
6
7
8
9
10
11
12
13
CN104
S13B-PH-SM3-TB
1
2
3
4
5
6
7
8
9
10
11
12
13
CN103
S11B-ZR-SM3A-TF
1
2
3
4
5
6
7
8
9
10
11
CN106
B11B-ZR-SM3F-TF
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
GND2
OP-RXD\
OP-LRQ\
OP-RDY\
GND2
ASK
IRDA
OP-TXD\
OP-CLK\
OP-RES
OP-POF
IR-TXD
GND1
GND2
GND2
+38V
+24V1
+5V
+24V3
+5V
FRDY
+12V
F0\
F1\
F2\
F3\
F4\
ICUFM\
PD
F7\
SEG0
SEG1
SEG2
PNC\
COPY\
CA\
READY\
AUD\
GND1
TC\
PNC-a\
GND1
+5V
+24V1
+24V1
PDSEL2\
PDSEL1\
PDSEL0\
GND2
GND2
OCSW\
LED0\
LED1\
+5V
+5V
+24V1
+5V
IR-TXD
GND2
ASK
GND2
GND2
S
CP1
CP2
M
DIS\\
D0
D1
D2
D3
LCD-VDD
LCD-VEE
GND2
+24VOP
GND1
XL\
YH
YL\
XH
GND2-+5V
SOUND-BZR\
+12V
GND2
EX-CLK\\
BE0\
LATCH\
+5V
FRDY
KEYIN\
TH
DATA
OP-RES\\\
GND2
GND2
+5V
EX-DTR\
EX-RXD\
EX-DSR\
EX-TXD
EX-CLK\\
GND2
IRDA
ROM-RES
OP CONTROL PWB (3-N1258FC)
ICU PWB
ICU PWB
OP PWB
CARD COUNTER
PNC
OSC
IR UNIT
LCD UNIT
TOUCH PANEL
OP PWB
OP PWB
INVERTER PWB
(4-4A)
(1-1A)
(1-1B)
(1-1B)
(4-7B)
(1-1A)
(1-1A)
(1-1B)
(1-7D)
(4-4A)
(4-7C)
(4-7B)
(4-7B)
(4-4B)
(4-4B)
(4-4B)
(4-4C)
(4-4B)
(4-4B)
(4-4A)
(4-4A)
(4-4B)
(4-4B)
(1-3D)
(1-3D)
(1-3D)
(1-3D)
(1-3D)
(1-3D)
(1-3D)
(1-3D)
(2-1B)
(2-1B)
(2-1B)
(1-2C)
(1-2C)
(1-2C)
(1-7D)
(1-7D)
(4-4B)
(4-4B)
(4-4B)
(1-2C)
(4-4B)
(1-7D)
(4-4B)
(2-1C)
(2-1C)
(2-1C)
(4-4B)
(4-4A)
(4-4A)
(4-4B)
(1-8D)
(4-4B)
(2-1C)
(2-1C)
(4-4B)
(4-4A)
(4-6C)
(4-4A)
(4-6B)
(4-4A)
(3-1C)
(3-1B)
(3-1B)
(3-1C)
(3-4B)
(3-1C)
(3-1C)
(3-1C)
(3-1C)
(4-4C)
(4-4A)
(3-3A)
(4-4C)
(4-4C)
(1-8A)
(1-8A)
(1-8B)
(1-8B)
(4-5A)
(4-4A)
(4-4B)
(2-1B)
(4-4B)
(2-1C)
(1-1A)
(1-1A)
(1-1C)
(4-4A)
(1-8C)
(4-2C)
(4-4B)
(1-1B)
(4-4A)
(1-1A)
(1-1A)
(1-1B)
(1-1B)
(1-1A)
(4-4A)
(4-6B)
(4-4A)
5/5
335-C33.DSF
: Not mounted
1
2
3
4
5
6
7
8
D
C
B
A
D
C
B
A
1
2
3
4
5
6
7
8
CN102
S10B-PH-SM3-TB
1
2
3
4
5
6
7
8
9
10
CN105
S12B-PH-SM3-TB
1
2
3
4
5
6
7
8
9
10
11
12
CN205
S9B-PH-SM3-TB
1
2
3
4
5
6
7
8
9
CN204
S12B-PH-SM3-TB
1
2
3
4
5
6
7
8
9
10
11
12
CN202
S3B-PH-SM3-TB
1
2
3
CN203
04FFS-SP-TF
1
2
3
4
CN201
52207-1290
1
2
3
4
5
6
7
8
9
10
11
12
CN101
S13B-PH-SM3-TB
1
2
3
4
5
6
7
8
9
10
11
12
13
CN104
S13B-PH-SM3-TB
1
2
3
4
5
6
7
8
9
10
11
12
13
CN103
S11B-ZR-SM3A-TF
1
2
3
4
5
6
7
8
9
10
11
CN106
B11B-ZR-SM3F-TF
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
GND2
OP-RXD\
OP-LRQ\
OP-RDY\
GND2
ASK
IRDA
OP-TXD\
OP-CLK\
OP-RES
OP-POF
IR-TXD
GND1
GND2
GND2
+38V
+24V1
+5V
+24V3
+5V
FRDY
+12V
F0\
F1\
F2\
F3\
F4\
ICUFM\
PD
F7\
SEG0
SEG1
SEG2
PNC\
COPY\
CA\
READY\
AUD\
GND1
TC\
PNC-a\
GND1
+5V
+24V1
+24V1
PDSEL2\
PDSEL1\
PDSEL0\
GND2
GND2
OCSW\
LED0\
LED1\
+5V
+5V
+24V1
+5V
IR-TXD
GND2
ASK
GND2
GND2
S
CP1
CP2
M
DIS\\
D0
D1
D2
D3
LCD-VDD
LCD-VEE
GND2
+24VOP
GND1
XL\
YH
YL\
XH
GND2-+5V
SOUND-BZR\
+12V
GND2
EX-CLK\\
BE0\
LATCH\
+5V
FRDY
KEYIN\
TH
DATA
OP-RES\\\
GND2
GND2
+5V
EX-DTR\
EX-RXD\
EX-DSR\
EX-TXD
EX-CLK\\
GND2
IRDA
ROM-RES
OP CONTROL PWB (3-N1258FC)
ICU PWB
ICU PWB
OP PWB
CARD COUNTER
PNC
OSC
IR UNIT
LCD UNIT
TOUCH PANEL
OP PWB
OP PWB
INVERTER PWB
(4-4A)
(1-1A)
(1-1B)
(1-1B)
(4-7B)
(1-1A)
(1-1A)
(1-1B)
(1-7D)
(4-4A)
(4-7C)
(4-7B)
(4-7B)
(4-4B)
(4-4B)
(4-4B)
(4-4C)
(4-4B)
(4-4B)
(4-4A)
(4-4A)
(4-4B)
(4-4B)
(1-3D)
(1-3D)
(1-3D)
(1-3D)
(1-3D)
(1-3D)
(1-3D)
(1-3D)
(2-1B)
(2-1B)
(2-1B)
(1-2C)
(1-2C)
(1-2C)
(1-7D)
(1-7D)
(4-4B)
(4-4B)
(4-4B)
(1-2C)
(4-4B)
(1-7D)
(4-4B)
(2-1C)
(2-1C)
(2-1C)
(4-4B)
(4-4A)
(4-4A)
(4-4B)
(1-8D)
(4-4B)
(2-1C)
(2-1C)
(4-4B)
(4-4A)
(4-6C)
(4-4A)
(4-6B)
(4-4A)
(3-1C)
(3-1B)
(3-1B)
(3-1C)
(3-4B)
(3-1C)
(3-1C)
(3-1C)
(3-1C)
(4-4C)
(4-4A)
(3-3A)
(4-4C)
(4-4C)
(1-8A)
(1-8A)
(1-8B)
(1-8B)
(4-5A)
(4-4A)
(4-4B)
(2-1B)
(4-4B)
(2-1C)
(1-1A)
(1-1A)
(1-1C)
(4-4A)
(1-8C)
(4-2C)
(4-4B)
(1-1B)
(4-4A)
(1-1A)
(1-1A)
(1-1B)
(1-1B)
(1-1A)
(4-4A)
(4-6B)
(4-4A)
5/5
335-C33.DSF
: Not mounted
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Sharp AR-285 (serv.man21) Service Manual ▷ Download