Sharp FO-6700 Service Manual Page 61
- Page / 192
- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
Rated. / 5. Based on customer reviews
FO-6700U
FO-67DL
5 – 5
PIN I/O Name Function
43 P AVDD Analog system power supply pin.
44 I DALRH
D/A converter high reference voltage pin
for A/D converter low reference voltage.
45 O ATAPL
D/A converter monitor signal output pin
for A/D converter low reference voltage.
46 P AGND Analog system ground pin.
47 B PD7/SD
DMA output pin/serial data output pin.
48 B PD6/SDCK DMA output pin/serial data
transmission clock pin.
49 P DGND Digital system ground pin.
50 B PD5/SDE DMA output pin/serial date
output valid period signal pin.
51 B PD4/PP4
52 B PD3/PP3
53 B PD2/PP2
54 B PD1/PP1
55 B PD0/PP0
56 P DVDD Digital system power supply pin.
57 B DACK/PP5
DMA data acknowledge signal input
pin/general-purpose I/O port pin.
58 B DREQ/PP6 DMA data request signal output
pin/ general-purpose I/O port pin.
59 B MTP/PP7 Motor drive timing signal output
pin/ general-purpose I/O port pin.
60 O CLK2
61 O CLK1
62 O RS
63 O SH
64 P DGND Digital system ground pin.
PIN I/O Name Function
1BD7
2BD6
3BD5
4BD4
5BD3
6BD2
7BD1
8BD0
9 P DGND Digital system ground pin.
10 P DVDD Digital system power supply pin.
11 I A8
12 I A7
13 I A6
14 I A5
15 I A4
16 I A3
17 P DGND Digital system ground pin.
18 I A2
19 I A1
20 I A0
21 I WR CPU interface write signal pin.
22 I RD CPU interface read signal pin.
23 I A12 CPU interface address bus pin.
24 P DVDD Digital system power supply pin.
25 I CLKIN System clock input pin.
26 I A11
27 I A10
28 I A9
29 I CS
CPU interface chip select signal pin.
30 I ICLK
External sampling point signal input pin.
31 I TRIG External trigger signal input pin.
32 I RESET System reset pin.
33 O SAMP/LININT
A/D converter sampling point monitor
signal output pin/LINE signal output pin.
34 I TEST
Test pin (Connect to ground in normal use.)
35 I REF DRAM refresh signal input pin.
36 P AGND Analog system ground pin.
37 I DALRL
D/A converter low reference voltage pin
for A/D converter low reference voltage.
38 I DAHRL
D/A converter low reference voltage pin
for A/D converter high reference voltage.
39 I AIN Sensor signal input pin.
40 I TEMP Temperature signal input pin.
41 O ATAPH
D/A converter monitor signal output pin
for A/D converter high reference voltage.
42 I DAHRH
D/A converter high reference voltage pin
for A/D converter high reference voltage.
LC82103 (IC5)
CPU interface data bus pin
D7 is the MSB pin, and D0 is the
LSB pin.
CPU interface address bus pin
A12 is the MSB pin, and A0 is the
LSB pin.
CPU interface address bus pin.
CPU interface address bus pin.
Sensor drive timing signal output
pin.
Type
I INPUT B BIDIRECTION NC NOT CONNECT
O OUTPUT P POWER
Note : Not using the input pins must be connected to “Digital system power supply or ground”.
DMA output pin/general-purpose
I/O port pin.
- 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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