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FO-DC635U
CHAPTER 2.
FO-DC635U
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
POWER
SUPPLY
PWB
Output
Voltage limits
+5V MAIN
4.947V~5.25V
+24V SUB
23.04V~24.96V
Connector
CN4
No.
Pin No.
CN1
1
11 +5V
2
10 CH LREM
3
9
TVR
4
8
T MON V
5
7
T MON I
6
6
B VR
7
5
V REM
8
4
C MON
9
3
MG
10
2
+24V
1
1
CN5
12
8
1
CN1
10
HIGH VOLTAGE
VR51
PWB
[DO NOT TOUCH!]
Note
CN5 7pin ↔ 8pin
CN5 1pin ↔ 2pin
Connector
CN5
No.
Pin No.
CNPW1
1
+24V SUB
2
MG
3
MG
4
MG
5
+24V MAIN
6
+24V MAIN
7
+5V MAIN
8
DG
9
DG
10
DG
11
+5V MAIN
12
+5V MAIN
Connector
CN1
No.
Pin No.
CN7
1
+24V MAIN
2
MG
3
DG
4
DG
5
+5V MAIN
6
+5V MAIN
7
HEATER ON
8
H-RELAY OFF
Service Manual
CONTROL PWB
CN1
CNPW1
1
12
8
10
CN7
CN4
PRINTER PWB
1
1
Fig. 1
2 – 1
CNPRT1
1
30
1
30
CN1
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