Sharp FO-90A Service Manual download pdf (Page 7)

FO-90AAR

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

3. Settings

Dial mode selector

DIAL mode (Soft Switch No. SWB4 DATA No. 2)

1DG

2 +5V

3MG

4MG

5 +24V

6 +24V

7DG

8 PSAVE

2 – 1

TEL/LIU PWB

POWER SUPPLY PWB

CNL IUA

CN2

CNPW

CONTROL PWB

CNL IUB

CNLIUB

CNLIUA

(step 1) Select "FIJAR OPCIONES".

KEY : FUNCION 4

DISPLAY: FIJAR OPCIONES OPRIMA O #

(step 2) Select "MODO DISCADO".

KEY: Push # until " MODO DISCADO " is

indicated because the number of

# s changes by the model.

DISPLAY: MODO DISCADO

(step 3) Select, using "1" or "2".

KEY: 1

DISPLAY: TONO SELECC

KEY: 2

DISPLAY: PULSO SELECC

(step 4) End, using the "PARE" key.

KEY:

Cursor

When initially registering,

the mode shows 1=TONE.

When registering again, the

mode which was registered

formerly is shown.

PARE

1=TONO, 2=PULSO

Output Voltage limits

+5V 4.75V ∼ 5.25V

+24V 24.0V ∼ 26.0V

Connector

No. CNPW

Pin No.

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:

CNLIUA

CNPW

CONTROL PWB

(TOP SIDE)

CNMT

FU100

CNLIUB

(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, re-

place it with a new one.

4. Volume setting

You can adjust the volume of the speaker, ringer, and handset using the

VOLUME key.

(1) Speaker

Press the SPEAKER key.

Press the VOLUME key one or more times to select the desired level.

The display will show:

VOLUMEN:[ ]

Press the SPEAKER key once again to turn off the speaker.

(2) Ringer

Press the VOLUME key to select the desired volume. (Make sure the

SPEAKER key has not been pressed and the handset is not lifted.)

The display will show:

If you want to turn off the ringer, continue to press the VOLUME key

until RINGER OFF: OK? appears in the display, and then press the

START key.

VOLUMEN TIMBRE

1 2 3 4 5 6 7 8 9 10 11 12 ... 73 74

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Sharp FO-90A Service Manual Page 7

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