Sharp FO-6700 Service Manual Page 82
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Rated. / 5. Based on customer reviews
FO-6700U
FO-67DL
A
A
B
B
C
C
D
D
E
E
F
F
G
G
H
H
6 6
5 5
4 4
3 3
2 2
1 1
TP190
R190
4.7K
IC13
HY5118164
or
MSM5118165
1Mx16bit DRAM
NC
15
NC
16
A9
28
A5
24
A7
26
I/O15
41
I/O14
40
I/O13
39
I/O12
38
I/O11
36
I/O10
35
I/O9
34
I/O8
33
I/O7
10
I/O5
8
I/O0
2
A4
23
A3
20
A2
19
A1
18
A6
25
A8
27
A0
17
/RAS
14
/LCAS
31
/UCAS
30
/WE
13
/OE
29
I/O6
9
I/O4
7
I/O3
5
I/O2
4
I/O1
3
VCC
1
VCC
6
VCC
21
VSS
42
VSS
37
VSS
22
NC
11
NC
12
NC
32
R221
4.7K
C179
2200P
IC2
M27C160-100F1
16Mbit EPROM
A18
1
A17
2
A16
33
A12
37
A14
35
Q15A-1
30
Q14
28
Q13
26
Q12
24
Q11
21
Q10
19
Q9
17
Q8
15
/E
11
A11
38
A10
39
A9
40
A8
41
A13
36
A15
34
A7
3
A6
4
A5
5
A4
6
A3
7
A2
8
/G
13
A0
10
A19
42
VSS
12
A1
9
VCC
22
Q7
29
Q6
27
Q5
25
Q4
23
Q3
20
Q2
18
Q1
16
Q0
14
VSS
31
BYTEVPP
32
C144
N.M.
C160
0.1
L100
0
12
C161
0.1
C162
0.1
R187
4.7K
R188
4.7K
R189
4.7K
X3
19.6608MHz
1
2
C182
2200P
R233
560
C175
27P
C176 22P
C145
N.M.
C183
2200P
R192
4.7K
R220
4.7K
R212 100
R211 100
R213 100
C146
0.1
TP9
TP10
R234
4.7K
C178
2200P
TP1
C177
2200P
R229
4.7K
R230
4.7K
TP8
R208
470
C153
2200P
R215 33
R235 33
TP2
R219 33
C151 0.1
R217 10
TP3
R218 20
C148
2200P
R236 150
R214 270
R216 270
C147
2200P
C186
N.M.
C189
10P
C187
10P
R231 470
L101
10
12
L102
0
12
R193
100
C211
N.M.
TP11
R232 470
TP12
IC12
HD6437021
CPU(MASK)
DACK0
65
DREQ0
66
NMI
74
IRQ3/DREQ1
68
IRQ4
97
IRQ6
99
IRQ7
100
PB9
94
PB8
93
SCK1
98
TXD1
96
WDTOVF
75
CK
69
EXTAL
71
XTAL
72
PA11
64
AD10
12
AD11
14
AD12
16
AD13
17
AD14
18
A0
20
A1
21
A2
22
A3
23
A4
25
A5
26
A6
27
A7
28
A8
29
A9
30
A10
31
A11
33
A12
34
A13
35
A14
36
A15
37
A16
39
A17
40
A18
42
A19
43
A20
44
A21
45
PA10
62
PA9/IRQOUT
61
PA8/BREQ
60
AD9
11
AD8
10
AD7
9
AD6
8
AD5
7
AD4
6
AD2
3
AD1
2
AD0
1
CS0
46
CS3/CASL
49
PB7
91
PB5
89
PB4
87
PB3
86
PB2
85
PB1
84
PB0
83
MD2
79
MD1
78
MD0
77
VCC
13
VCC
38
AD15
19
AD3
5
CS1/CASH
47
CS2
48
CS4
51
CS5/RAS
52
CS6
53
WAIT/CS7
54
RD
57
WRL
55
WRH
56
IRQ2/DACK1
67
RXD1
95
RES
76
PA7/BACK
58
PB6
90
VSS
41
VSS
70
VSS
50
VSS
59
VCC
63
VCC
73
VCC
80
VCC
88
VSS
81
VSS
82
VSS
92
VSS
32
VSS
24
VSS
15
VSS
4
TP4
TP5
TP6
TP7
R194 150
R195 150
C184 0.1
C180 0.1
TP185
C152 0.1
C181 0.1
C185 0.1
IC29A
74HC08
1
14
2
7
3
TP186
MD1
MD2
MD12
MD9
MD14
MD6
MD12
MD4
MD1
MD14
MD15
MD3
MD11
MD8
MD7
MD7
MD4
MD2
MD3
MD6
MD11
MD8
MD5
MD5
MD2
MD9
MD0
MD9
MD4
MD10
MD14
MD8
MD13
MD10
MD15
MD10
MD7
MD5
MD13
MD3
MD1
MD0
MD15
MD13
MD12
MD11
MD6
MD0
MA6
MA10
MA3
MA12
MA15
MA5
MA16
MA4
MA15
MA13
MA3
MA19
MA7
MA21
MA8
MA0
MA6
MA19
MA2
MA17
MA7
MA5
MA4
MA11
MA1
MA1
MA9
MA14
MA9
MA9
MA7
MA1
MA10
MA12
MA2
MA18
MA21
MA16
MA2
MA13
MA8
MA3
MA5
MA17
MA4
MA11
MA14
MA10
MA6
MA18
MA8
MA20
DG
DG
+5V
+5V
+5V
DG
DG
DG
+5V
DG
+5V
DG
DG
DG
+5V
+5V
+5V
+5V
+5V
+5V
DG DG
DG
DG
DG
DG
DG
DG
/MRD
(2E)
/MWRL
(2E)
/MCASH
/MCASL
/MRAS
MD[15:0]
(2-6E,3-6A,4-6D,5-4C,7-5A,8-6A,13-3C,14-4A)
MA[21:1]
(2-6E,3-6A,5-5C,7-5A,8-6D,13-6C,14-4A)
/MRD
(2E)
/ROMCS
(5-4F)
/RESET
(2-2F)
/MWRH
(2-4F,3-4C/5G,5-3C,7-5D,8-5D,12-2F,14-4F)
/DREQ0
(5-3F)
/MCASL
/INT4(5-3C)
/MRAS
/INT6(7-5D)
/RESET2
(4-3D,5-2C,7-5D,9-2C,12-2B/6C/6F)
/CS6
(5-3C,12-3B)
/DACK0
(5-3F)
/INT7(5-3C)
/MRD
(5E,5H,2-3F/4F,3-4C/5G,5-3C,7-5D,13-3B/5C,14-4F)
/MDPINT1(16-3D)
CLKF(5-2C,7-5D,12-2B/5B)
/CMD
(15-3H)
/MDPINT2(16-3H)
/CS2
(5-3C)
/SRCLK
(15-3E)
/MWRL
(5E,2-3F,5-3C,12-1F,14-4F)
/STS
(15-3E)
BZOUT
(10-4A)
MONSEL(10-6A)
/SRES2(12-5F)
/SRES1(12-6F)
/WAIT
(12-5E)
/MCASH
(5E)
(5E)
(5E)
(3E)
(3E)
(3E)
CHAPTER 6. CIRCUIT SCHEMATICS AND PARTS LAYOUT
[1] Main Control PWB circuit 1/16
CPU & memory block
6 – 1
- SERVICE MANUAL 1
- FACSIMILE 1
- CONTENTS 3
- [1] Specifications 4
- 28 29 30 31 32 33 5
- 40393837363534 5
- CHAPTER 2. ADJUSTMENTS 9
- MEMORY CLEAR ? 10
- 1) Soft switch mode 11
- 2) Print area 11
- 3) ROM & RAM check 11
- After setup of the document 12
- Only the sensor which is 12
- SPEED key SXXX XXX 13
- : Speed key number 13
- 2-2. Print diagnosis 15
- • Blank paper aging mode 15
- • SW1 to SW30 : For line 1 17
- • SW31 to SW60 : For line 2 17
- 4. Soft switch description 18
- • Soft switch 18
- [3] Troubleshooting 44
- [4] Error code table 45
- Super G3 mode 46
- 2. Service call error massage 46
- Wire treatment 52
- [1] Block diagram 53
- [2] Wiring diagram 54
- [1] Circuit description 57
- (8) Gate Array (B) Block 64
- (9) CODEC Block 66
- (10) Page Memory Block 69
- (11) Driver Block 70
- (12) DPRAM I/F Block 71
- 1. General description 72
- (1) Sub CPU Block 72
- (2) Modem Block 75
- (8) JBIG Block 80
- IC3: VHiM65761FP-1(M65761FP) 80
- CPU & memory block 82
- Flash memory block 3/16 84
- Reading block 4/16 85
- Gate array (B) block 7/16 88
- Codec block 8/16 89
- Page memory block 9/16 90
- Other block 14/16 95
- Connector block 1 15/16 96
- FO-6700U 100
- Modem block 2/7 101
- Gate array block 3/7 102
- QM-coder block 4/7 103
- Dual port RAM block 5/7 104
- Access control block 6/7 105
- Connector block 7/7 106
- LIU PWB parts layout 109
- Printer PWB circuit 2/2 111
- T1 7 8 – 9 114
- T1 2 – 3 114
- Power Supply PWB parts layout 115
- High Voltage PWB parts layout 119
- Toner Empty PWB parts layout 120
- Memory PWB circuit 2/3 126
- Memory PWB circuit 3/3 127
- [1] G3 Protocol 129
- [2] Super G3 Protocol 130
- [3] Power On Sequence 131
- CHAPTER 8. OTHERS 132
- 2. Description 133
- For inspection 135
- [2] IC Signal Names 137
- 8 7 5 8 B 138
- PRINTER PWB UNIT 139
- 16 15 14 13 12 11 10 9 142
- 1 2 3 4 5 6 7 8 142
- 1C 2C 3C 4C 5C 6C 7C COM 142
- 1B 2B 3B 4B 5B 6B 7B E 142
- PARTS GUIDE 143
- [12] 2nd.Cassette (1) 158
- I n d e x 184
- © 2000 BY SHARP CORPORATION 192
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