AM-900U
2 – 1
FAX
AM-900U
Service Manual
Service Manual
Market
E
CHAPTER 2.
ADJUSTMENTS
[1] Adjustments
1. General
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
CNPUM
CNTCT
CNROLSNS
CNTCVR
CNMM
CNFM
CNBYPE
CNPIN
CNPW
CNLIU
CNLSR
CNPM
CNRTH
CNOUT2
CNOUT1
CNCIS
CNHV
CNSCM
CNPN
CNFRT
CNORG
CNHPS
CNSP
CNUSB
CONTROL PWB
(TOP SIDE)
CNPW
1
14
1
14
Output
Voltage limits
+24VMAIN
23.04V~24.96V
+24VSUB
23.04V~24.96V
Connector
CNPW
Pin No.
CNPW
1
+24VSUB
2
3
4
5
+24VMAIN
6
+24VMAIN
7
DG
8
9
10
DG
11
+5VMAIN
12
+3.3VMAIN
+5VMAIN
4.75V~5.25V
MG
MG
MG
DG
/HEATER ON
13
14
/PWRLY
/ZC
+3.3VMAIN
3.201V~3.399V
Connector
CN6
Pin No.
1
N.C.
2
3
+24VMAIN
+24VS
Connector
CNHT
Pin No.
1
N.C.
2
3
N
L
Connector
CN2
Pin No.
1
2
2
1
CN6
1
3
1
2
CN2
CNHT
1
3
INTERLOCK
SWITCH
THERMAL
FUSE-2
FUSING UNIT
POWER SUPPLY
PWB (TOP SIDE)
Содержание AM 900 - Digital Office Laser Copier
Страница 120: ...AM 900U 6 13 13 Control PWB parts layout Bottom side The CONTROL PWB of the model employs lead free solder F3 F5 F7 F4 ...
Страница 122: ...AM 900U 6 15 2 LIU PWB parts layout Top side The LIU PWB of the model employs lead free solder ...
Страница 123: ...AM 900U 6 16 3 LIU PWB parts layout Bottom side The LIU PWB of the model employs lead free solder ...