Sharp FO-CC500, Service Manual

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FO-CC500A
FO-K01A
4. Volume adjustment (Fax machine)
You can adjust the volume of the speaker and ringer using the UP and
DOWN arrow keys.
(1) Fax machine ringer
1. Press the UP or DOWN to select the desired volume level. (Make
sure SPEAKER key has not been pressed, and a document is not
loaded in the feeder.)
Display:
RINGER: HIGH
RINGER: MIDDLE
RINGER: LOW
RINGER OFF: OK?
2. If you selected RINGER OFF: OK?, to turn off the ringer, press START/
MEMORY key.
(2) Fax machine speaker
1. Press the SPEAKER key.
2. Press the UP or DOWN to select the desired volume level.
• Press SPEAKER key again to turn off the speaker.
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 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
3. Settings
(1) Dial mode selector
DIAL mode (Soft Switch No. SW-B4 DATA No. 3)
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:
2 – 1
CONTROL PWB
(BOTTOM SIDE)
CNLIUA
FU100
CNPW
LIU PWB
(BOTTOM SIDE) POWER
SUPPLY
PWB
(BOTTOM SIDE)
CONTROL
PWB
(TOP SIDE)
CNMT
CNLIUA
CNLIUA
CNPW
CNPW
CNPN CNCIS
CNSP
CNCSW
CNTH
CNPRG
CORDLESS PWB
(BOTTOM SIDE)
CNDSS
(step 1) Select "OPTION SETTING".
KEY : FUNCTION
DISPLAY: OPTION SETTING NUMBER OF RING
(step 2) Select "DIAL MODE".
KEY: Push until DIAL MODE is
indicated because the number of
's changes by the model.
DISPLAY: DIAL MODE 1=TONE, 2=PULSE
(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
(1) FU100 (KAB3202) is installed in order to protect IC’s from an over-
current generated in the motor drive circuit. If FU100 is open, re-
place it with a new one.
↔
↔
↔
• The ringer rings once at the
selected level, then the date
and time reappear in the
display.
Output Voltage limits
+5V 4.25V ~ 5.75V
+24V 23.3V ~ 24.7V
1 +24V
2 +24V
3 MG
4 MG
5 DG
6 +5V
Connector
No. CNPW
Pin No.