Sharp FO-6700 Service Manual Page 90
- Page / 192
- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
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
R266 100
R268 10
R267 10
R265 100
C245
0.1
R283
R284
N.M.
IC36
74HC157
QUAD2-TO-10ATASELECTORS
1A
VCC
2
1B
3
2A
5
2B
6
3A
11
3B
10
4A
14
4B
13
A/B
1
G
GND
15
8
16
1Y
4
2Y
7
3Y
9
4Y
12
C196
0.1
C268
0.1
C195
0.1
IC23
HY5118164
or
MSM5118165
1Mx16Mbit 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
C246
0.1
IC32C
74HC32
9
14
10
7
8
IC32D
74HC32
12
14
13
7
11
R301 100
C267
0.1
IC33C
74VHC393
VCC
14
GND
7
IC33A
74VHC393
QA
3
QB
4
QC
5
QD
6
CLR
2
CK
1
IC33B
74VHC393
QA
11
QB
10
QC
9
QD
8
CLR
12
CK
13
IC32B
74HC32
4
14
5
7
6
IC32A
74HC32
1
14
2
7
3
IC34A
74VHC04
1
7
14
2
C236
N.M.
TP160
TP161
TP184
TP182
C265
0.1
C235
N.M.
IC31A
TC7S00FU
1
4
2
IC31B
TC7S00FU
VCC
5
GND
3
PMAD8
PMAD11
PMAD1
PMAD13
PMAD7
DRA5
PMAD10
PMAD5
PMAD2
PMAD14
DRA6
PMAD12
PMAD3
PMAD6
DRA4
DRA9
PMAD4
PMAD0
DRA2
DRA8
PMAD9
DRA0
DRA3
DRA1
PMAD15
DRA7
DG
DG
DG
+5V
+5V
+5V
+5V
DG
+5V
DG
+5V
+5V
DG
DG
DG
+5V
DG
DG
DG
+5V
+5V
DG
/PMUCAS
/PMRAS0(7-3A)
PMAD[15:0] (7-1A,8-6F)
/GAPMW(7-3A)
DRA[9:0]
(7-1A)
/PMLCAS
/PMLCAS
/UDS
(8-4G)
/PMUCAS
/MAEN1(8-4G)
/PMCAS(7-3B)
/LDS(8-4G)
SCCLK2
(7-5D)
/CDCMW(8-4G)
CK16M
(8-5D)
/RESET2(1-4A)
SCCLK1(4-4G)
(4A)
(4A)
(5G)
(5G)
Page memory block 9/16
6 – 9
- 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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