Service manual

FO-IS125N
2 – 1
FO-IS125N
Service Manual
CHAPTER 2. ADJUSTMENTS
[1] Adjustments
1. General description
Since the following adjustments and settings are provided for this
model, make adjustments and/or setup as necessary.
2. 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.
2.1. Output voltage settings
CNLAN
CNSP
CNTEL
CNLNJ
CNSL CNPW
CNPN
CNTNR CNPOUT
CNPIN
CNCIS CNRTH CNHV CNLSR CNPM CNMM CNTXM
CNFM
CONTROL PWB(TOP SIDE)
POWER SUPPLY PWB(TOP SIDE)
1
10
CN3
CN2
CN5
INTERLOCK
SWITCH
THERMAL
FUSE-2
FUSING UNIT
CN1
1
21
21
31
10
Output Voltage limits
+24VMAIN 23.04V~24.96V
(INTERLOCK
SWITCH OFF: 0V)
Ach
4.3V~5.9V
Connector
Pin No. CN3
CNPW
1 +24VSUB
2MG
3MG
4 +24VMAIN
5 +24VMAIN
6DG
7 Ach(4VD)
8DG
9 HEATER ON
ZC
Connector
CN5
+24VS
N.C.
+24VMAIN
10
Pin No.
1
2
3
Connector
CN1
AC LIVE
N.C.
AC NEUTRAL
Pin No.
1
2
3
Connector
CN2
+24VMAIN
+24VSUB
Pin No.
1
2
4.3V~6.3V
+24VSUB 23.04V~24.96V
STAND BY
RATED