Sharp FO-6700 Service Manual Page 133
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FO-6700U
FO-67DL
8 – 2
2. Description
2-1. Extension Board Unit
[For inspection of Main Control PWB, LIU PWB 1]
1) Remove the Rear Cabinet and Sub PWB Plate from the unit, and
remove the Check Main Control PWB and Check LIU PWB 1.
2) Mount the Extension Board (Control-EX) in the place where the Main
Control PWB has been removed. At that time, the connector (CNPRT)
of Extension Board (Control-EX) must be inserted into the Printer
PWB.
Connect the cables from the unit to the connectors (A side) (CNTXMA,
CNCISA, CNSPA, CNSENA, CNSTPA, CNPNA, CNPWA) of Exten-
sion Board (Control-EX) .
3) Connect the Extension Cables to the connectors (B side) of Exten-
sion Board (Control-EX) as shown in Fig. 1.
4) The connector (CN1A) of the Extension Board (Printer-EX) must be
inserted into the connector (CNPRT) of the Check Main Control PWB.
5) Connect the Extension PWB Cable (QCNW-4559SCZZ) to the con-
nector (CNPRTB) of Extension Board (Control-EX) and the connec-
tor (CN1B) of Extension Board (Printer-EX).
6) Connect the LIU Cable to connector (CNLIU1) of Main Control PWB
and the connector (CNLIU) of LIU PWB 1.
7) Connect the Extension Cables (7 types except Extension Cable)
pulled out from the unit to the Check Main Control PWB. (CNTXM,
CNCIS, CNSP, CNSEN, CNSTP, CNPN, CNPW)
Extension Board Connection Diagram
Ref No. Cable parts code Description
CNPRT QCNW – 4559SCZZ EX. Cable, 32-32 PIN
CNTXM QCNW – 4973SCZZ EX. Cable, 4-4 PIN
CNCIS QCNW – 4974SCZZ EX. Cable, 10-10 PIN
CNSP QCNW – 4976SCZZ EX. Cable, 2-2 PIN
CNSEN QCNW – 4977SCZZ EX. Cable, 8-8 PIN
CNSTP QCNW – 4978SCZZ EX. Cable, 2-2 PIN
CNPN QCNW – 4979SCZZ EX. Cable, 24-24 PIN
CNPW QCNW – 4980SCZZ EX. Cable,12-12 PIN
CONTROL
EXTENSION
BOAD
PRINTER
EXTENSION
BOAD
CHECK
LIU PWB 1
LINE-1
CONTROL
PWB
PRINTER
PWB
CNPRTB
CN1B
CHECK
MAIN
CONTORL
PWB
MEMORY
PWB
CNSP
CNPN
CNSTP
CNTXM
CNSEN
CNCIS
CNPRT
CNPW
Fig. 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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