Sharp FO-6700 Service Manual Page 84
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- Table of contents
- TROUBLESHOOTING
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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
IC10
LH28F800SUT-70
8Mbit FLASH MEMORY
NC
4
A19
5
A18
6
A14
11
A16
8
DQ15
52
DQ14
50
DQ13
47
DQ12
45
DQ11
41
DQ10
39
DQ 9
36
DQ 8
34
DQ 7
51
DQ 5
46
DQ 0
33
A13
12
A12
13
A11
17
A10
18
A15
10
A17
7
A 9
19
A 8
20
A 7
22
A 6
23
CE0#
14
DQ 6
49
DQ 4
44
DQ 3
40
DQ 2
38
DQ 1
35
VCC
9
VCC
37
VCC
43
GND
21
GND
42
GND
48
NC
3
NC
29
NC
30
CE1#
2
OE#
54
WE#
55
WP#
56
VPP
15
A 5
24
A 4
25
A 3
26
A 2
27
A 1
28
A 0
32
RY/BY#
53
BYTE#
31
3/5#
1
RP#
16
C170
0.1
TP17
TP16
CA5-4
CA8-1
CA8-3
N.M.
CA7-1
TP18
TP19
CA5-2
CA7-3
CA6-2
CA8-4
N.M.
CA6-4
DHB-PB50-S131N
DG
1
DG
3
DG
5
+5V
7
+5V
9
D14
11
D12
13
D10
15
D8
17
D6
19
D4
21
D2
23
D0
25
A18
27
A16
29
A14
31
A12
33
A10
35
A8
37
A6
39
A4
41
A2
43
FLBK4
45
FLBK1
47
DG
49
TCS2
2
/MWRH
4
/MRD
6
/FLBSY
8
D15
10
D13
12
D11
14
D9
16
D7
18
D5
20
D3
22
D1
24
A19
26
A17
28
A15
30
A13
32
A11
34
A9
36
A7
38
A5
40
A3
42
A1
44
FLBK2
46
FLOPT
48
DG
50
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
35
37
39
41
43
45
47
49
20
18
16
14
12
10
8
6
4
2
40
38
36
34
32
30
28
26
24
22
42
44
46
48
50
CNOP
CA12-1
N.M.
CA12-3
CA11-4
CA11-1
CA7-4
CA10-4
CA7-2
C201
N.M.
CA4-3
CA12-4
CA12-2
C202
N.M.
CA4-4
CA4-2
CA10-2
CA11-3
CA10-3
CA10-1
CA4-1
CA9-3
CA5-1
CA5-3
CA9-2
CA9-1
CA11-2
CA9-4
CA8-2
CA6-1
CA6-3
C169
0.1
C171
0.1
C172
0.1
R185
0
C4
33/16
1
2
MA6
MA10
MD4
MA4
MA8
MD9
MA14
MA2
MA19
MD12
MD13
MD7
MA17
MD14
MA18
MA5
MA9
MA11
MD10
MA6
MA12
MD3
MD0
MA15
MD0
MA16
MD6
MA18
MA8
MA12
MD15
MA2
MD12
MA16
MD11
MA1
MD1
MA14
MD5
MA10
MD14
MA7
MA3
MD6
MD2
MA13
MD8
MD2
MD10
MD8
MD4
MA4
MA11
MD7
MD5
MA17
MA5
MD11
MD15
MD1
MD3
MA9
MA1
MD13
MA15
MA7
MA13
MA3
MA19
MD9
DG
DG
DG
DG
DG
DG
DG
+5V
+5V
+5V
+5V
TCS2
(2-1F)
/MWRH (1-2E)
/MRD
(1-2E)
FLBK2 (5-5F)
FLBK4(5-5F)
FLBK1(5-5F)
/FLOPT
(5-4F)
/FLBSY_OP (5-5G)
MA[21:1]
(1-6H)
/MRD
(1-2E)
TCS1(2-2F)
/FLBSY_STD(5-5G)
/FLSTD (5-4F)
/MWRH
(1-2E)
MD[15:0]
(1-6H,2-6E,4-6D,5-4C,7-5A,8-6A,13-3C,14-4A)
FLBK3(5-5F)
+
Flash memory block 3/16
6 – 3
- 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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