Chapter 2. Adjustments; Adjustments - Sharp FO-1470 Service Manual

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
CNTH
TEL/LIU CONTROL
PWB PWB
CNLIUA CNLIUA
CNLED
CNSP
CNCSW
CNCCD
Output Voltage limits
+5V 4.75V 5.25V
+24V 23.3V 24.7V
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 (TOP SIDE)
CNLIUA
(1) FU100 (KAB2402) 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.
POWER
SUPPLY
PWB
CNPW
CNMT
CNPN
Connector
No. CNPW
Pin No.
1 +24V
2 +24V
3 MG
4 MG
5 +5V
6 DG
FU100
3. Settings
(1) Dial mode selector
DIAL mode (Soft Switch No. SWB4 DATA No. 3)
(step 1) Select "OPTION SETTING".
KEY : FUNCTION
DISPLAY: OPTION SETTING
(step 2) Select "DIAL MODE".
KEY: Push # until " DIAL 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: STOP
4. Volume adjustment
You can adjust the volume of the speaker and ringer using the UP and
DOWN keys.
(1) Speaker
1
Press the SPEAKER key.
2
Press the UP or DOWN key.
Display:
SPEAKER: HIGH
SPEAKER: MIDDLE
SPEAKER: LOW
3
When the display shows the desired volume level, press the SPEAKER
key to turn off the speaker.
(2) Handset
1
Lift the handset.
2
Press the UP or DOWN key.
Display:
RECEIVER: HIGH
RECEIVER: MIDDLE
RECEIVER: LOW
3
When the display shows the desired volume level, replace the hand-
set.
(3) Ringer
1
Press the UP or DOWN key. (Make sure the SPEAKER key has not
been pressed and the handset is not lifted.)
Display:
RINGER: HIGH
RINGER: MIDDLE
RINGER: LOW
RINGER OFF: OK?
2
If you selected RINGER OFF: OK?, press the START key.
2 – 1
UX-510UA
FO-1470U
4
PRESS OR #
Cursor
When initially registering,
the mode shows 1=TONE.
When registering again, the
mode which was registered
formerly is shown.
1=TONE, 2=PULSE
The ringer will ring once
at the selected level, then
the date and time will re-
appear in the display.