Sharp FO-6700 Service Manual Page 101
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- Table of contents
- TROUBLESHOOTING
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Rated. / 5. Based on customer reviews
FO-6700U
FO-67DL
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
R273 0
IC 2D
HCF4053
1
2
10
15
0
1
R151 15K
R150 51K
C143 330P
R144
22K
IC 2A
HCF4053
VDD
16
VSS
8
VEE
7
INH
6
C137
0.1
R121 0
R119 20
C102
0.1
C101
0.1
R135 10K
R136 8.2K
C138
N.M
IC100D
NJM2902
12
13
14
+
–
Q100
DTC114EK
B
E
C
Q101
DTC114EK
B
E
C
C 6
10/25V
+
IC100C
NJM2902
8
9
10
+
–
TP51
C113 0.1(K)
C112 0.1(K)
R149
3.3K
R145
44.2K(F)
R146 44.2K(F)
R118 44.2K(F)
R117 44.2K(F)
TP53
TP52
C110 0.1(K)
IC100A
NJM2902
1
2
3
4
11
+
–
C 10
10/16
+
C 5
10/25V
+
C 1
10/25V
+
R134 27K
R141
22K
56.448MHzX1
TP57
TP59
TP61
L100 0
L101 0
R116 10K
R105 10K
TP54
R102 10K
R106 10K
R110 10K
C114
0.1
R240
4.7K
R140
N.M
R207 10
R206
N.M
R208 10
C106
1
C105
0.1
R259
0
TP58
TP56
C139 2.2
TP62
IC 13C
74ALS04
34
C140
0.1
R120
100
C103 8P
C104
10P
C100 0.01(K)
R115 10
R112 10
R113 10
R147
3.3K
R114 10
R111 10
R109 10
R108 10
R107 10
R100 10
R101 10
R103 10
R104 10
R205 10
C141 0.1(K)
IC100B
NJM2902
5
6
7
+
–
R142
10K
R 1
91(1/2W)
REG100
NJM78L05UA
GND
2
IN
3
OUT
1
R148
137K(F)
R123 68.1K(F)
R124
3.3K
C117 180P
R133
0
C142
0.1(K)
R131
33K
R130
33K
C135
2.2
TP55
R143
10K
C4
47/16
+
C116
0.1
C115
0.1
D141
1SS355
TP63
TP60
R153 27K
R154
3.3K
C144 220P
TP64
L102
1.0
C136
0.1
IC 2B
HCF4053
3
4
5
9
0
1
C111
2200P
IC1
R288F
33600bps FAX MODEM
RTS
7
TXD
57
DSP_IRQ
4
RXD
35
RLSD
51
D7
18
D6
67
D4
68
D3
16
D2
15
D0
14
RS4
63
RS3
64
RS1
66
CS
62
READ
60
WRITE
61
TXA1
27
TXA2
26
EYSYNC
46
GP0
53
XTAL1
12
XTAL2
13
SPKR
29
RINGD
6
OHRC
31
RI
5
TALK
28
IRQ
38
TDCLK
50
5VA
21
AGND1
22
AGND2
30
VDD1
11
VDD3
41
VDD4
56
VREF
25
RIN
23
CTS
37
D5
17
D1
9
RS2
65
RS0
20
XTCLK
54
EYEXY
48
EYECLK
47
VDD2
36
TMODE
45
RMODE
44
IRQ
8
N.C
1
POR
32
RES
39
DSP_RESET
2
RESET
59
CLKIN
33
IA_CLKIN
3
DTR
34
DSR
58
RDCLK
52
RXOUT
42
TXDAT
49
VC
24
DGND1
10
DGND2
19
DGND3
40
DGND4
43
DGND5
55
C 3
10/25
+
C 2
10/25
+
C109
0.1
IC 2C
HCF4053
12
13
14
11
0
1
C107
0.1
R132
N.M
C108
2200P
R138
18K
R139
0
R137 18K
R122 0
R272 0
C191
1
R258
N.M
R152 11K
R251 0
SD15
SD14
SD13
SD12
SD11
SD10
SD9
SD8
SA5
SA4
SA3
SA2
SA1
+5V
DG
DG
+5V
DG
DG
+12V
DG
DG
+12V
DG
DG
+5V
DG
+5VA
MAG
DG MAG DG
+12V
DG
+5VA
DG MAG
+12V
DG
+5V
DG
DG
+12V
DG
DG
+5V
+12V
DGDG
DG
+5V
SD[0:15]
SA[0:21]
/SRD
/SWRH
/MDMCS
/MDMRST
/MDMINT
TXMUTE
GAINC
TXOUT
EXTSIG
RXIN
VREF
VREF
VREF
VREF
VREF
/SCTWRH
(1-1D)
(1-1D)
(1-3B)
(1-3B)
(1-5B)
(1-5D) (3-2D)
(1-5C)
(1-5C)
(3-2D)
(7-4D)
(7-4D)
(7-4D)
(2-3C)
(2-3C)
(2-3C)
(2-2D)
(2-3D)
(2-2C)
(2-3C)
(6-2C)
6 – 20
Modem block 2/7
- 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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