Service manual

UX-310DE
FO-730DE/NX-530DE
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
(1)FU100 (ICP-S07) is installed in order to protect IC’s from an over-
current generated in the motor drive circuit. If FU100 is open, replace
it with a new one.
3. Settings
(1) Dial mode selector
DIAL mode (Soft Switch No. SWB4 DATA No. 3)
Output Voltage limits
+5V 4.75V ∼ 5.25V
+24V 23.3V ∼ 24.7V
1MG
2MG
3 +24V
4 +24V
5 +24V
6DG
7 +5V
8DG
9 PSAVE
Connector
No. CNPW
Pin No.
2 – 1
TEL/LIU PWB
POWER
SUPPLY
PWB
CONTROL
PWB
CNLIUA
CNLIUA
CN1
CNPW
CNTH
CNPN
CNCIS
CNSP
CNMT
CNCSW
CNLIUB
CNLIUB
(step 1) Select "OPTION SETTING".
KEY : FUNCTION 4
DISPLAY: OPTION SETTING PRESS OR #
(step 2) Select "DIAL MODE".
KEY: Push # until " DAIL MODE " is
indicated because the number of
# s changes by the model.
DISPLAY: DIAL MODE
(step 3) Select, using "1" or "2".
KEY: 1
DISPLAY: TONE SELECTED
KEY: 2
DISPLAY: PULSE SELECTED
(step 4) End, using the "STOP" key.
KEY:
Cursor
When initially registering,
the mode shows 1=TONE.
When registering again, the
mode which was registered
formerly is shown.
STOP
1=TONE, 2=PULSE
2. IC protectors replacement
ICPs (IC Protectors) are installed to protect the motor driver circuit.
ICPs protect various ICs and electronic circuits from an overcurrent con-
dition.
The location of ICPs are shown below:
CONTROL PWB
(BOTTOM SIDE)
CNPW
CNLIUA
FU100
CNLIUB