Sharp FO-6700 Service Manual Page 9
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- Table of contents
- TROUBLESHOOTING
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FO-6700U
FO-67DL
CHAPTER 2. ADJUSTMENTS
[1] Adjustments
General
Since the following adjustments and settings are provided for this model,
make adjustments and/or setup as necessary.
1. Adjustments
Adjustments of output voltage (FACTORY ONLY)
1. Install the power supply unit in the machine.
2. Set the recording paper and document.
3. When the document is loaded, power is supplied to the output lines.
Confirm that outputs are within the limits below.
Output voltage settings
Fig. 1
CNPW
CNPRT
CN1
IC2
CN1
CN7
CN4
1
1
1
1
11
11
8
1
1
1
1
12
30
30
12
8
MAIN
CONTROL
PWB
PRINTER
PWB
HI VOLTAGE
PWB
CN5
CN1
POWER SUPPLY
PWB
IC2
VR1
VD
Voltage for adjust
+ Check point for voltage
Digital multi meter
+–
–
Connector CN5
No.
Pin No. CNPW
1 +24V SUB
2MG
3MG
4MG
5 +24V MAIN
6 +24V MAIN
7 +5V SUB
8DG
9DG
10 DG
11 +5V MAIN
12 +5V MAIN
Connector CN4
No.
Pin No. CN1
1 11 +5V
2 10 HV C HL
39T VR
4 8 T REM
5 7 T MON
6 6 B MON
7 5 B VR
8 4 C REM
9 3 C MON
10 2 MG
11 1 +24
Connector CN1
No.
Pin No. CN7
1 24 MAIN
2MG
3DG
4 5V MAIN
5 HEATER ON
6FAN
7 FAN LOCK
8 H RELAY OFF
Output Voltage limits
+5V MAIN 4.845V~5.355V
+5V SUB 4.845V~5.355V
+24V MAIN 23.04V~24.96V
+24V SUB 23.04V~24.96V
Top Void Printer Adjust Voltage
Label (mm.) Fig. 2 VR1 Fig. 1
5.5~6.9 4.42V
7.0~8.9 3.87V
9.0~10.9 3.14V
11.0~12.9 2.50V
13.0~14.9 1.86V
15.0~17.0 1.22V
ADJUST VOLTAGE LIST
TOP VOID LABEL
Fig. 2
2
DISPLAY:
KEY:
22: DIAL MODE
1=TONE, 2=PULSE
(step 2) Select "DIAL MODE".
2
2
(step 1) Select "OPTIONAL SETTING".
DISPLAY:
DISPLAY:
DISPLAY: TONE SELECTED
KEY:
FUNCTION 4
KEY:
4:OPTIONAL SETTING
ENTER #(01-34, ,#)
KEY:
22: DIAL MODE
KEY:
KEY:
DISPLAY:
(step 4) End, using the "STOP" key.
(step 3) Select, using "1" or "2".
(step 2) Select "DIAL MODE".
1
2
PULSE SELECTED
STOP
2
1
DISPLAY:
KEY:
1: LINE-1
1=TONE, 2=PULSE
Select line using "1" or "2"
2
DISPLAY:
KEY:
2: LINE-2
1=TONE, 2=PULSE
<With optional line unit>
22: DIAL MODE
1=LINE-1, 2=LINE-2
2. IC protectors replacement
ICPs (IC Protectors) are installed to protect the TX motor drive circuit
and verification stamp drive circuit. ICPs protect various ICs and elec-
tronic circuits from an overcurrent condition.
The location of ICPs are shown below:
(1) F100 (ICPS10) is installed in order to protect IC’s from and
overcurrent generated in the verification stamp drive circuit. If F100
is open, replace it with a new one.
(2) F101 (ICPS18) is installed in order to protect IC’s from an overcurrent
generated in the TX motor drive circuit. If F101 is open, replace it
with a new one.
In addition to the replacement of F101 and F100, the factor causing
F101 and F100 to open must also be repaired. If not, F101 and
F100 will open again.
Replacement parts
ICPS10 (Sharp code: VHViCPS10//-1)
ICPS18 (Sharp code: VHViCPS18//-1)
3. Settings
(1) Dial mode selector
OPTION SETTING: DIAL MODE (Soft Switch No. SW2 DATA No. 1 for
Line-1 and SW32 No.1 for Line-2 with Optional Line Unit)
Use this to set the fax machine to the type of telephone line you are on.
• The factory setting is "TONE".
Fig. 3
CONTROL PWB
(BOTTOM SIDE)
F100
F101
IC7
CNSP
CNSEN
CNCIS
CNPN
CNSTP
CNTXM
CNSUB1
CNPW
CNPRT
1
2
1
8
CNLIU1
1
1
50
9
CNLIU2
1
9
101
1
11
150
27 25
1
130
12
42
24
CNOP
CNSUB2
1
50
2 – 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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