Sharp A260 Service Manual - Page 7

UX-A260U 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 POWER SUPPLY PWB (BOTTOM SIDE) TEL/LIU PWB (BOTTOM SIDE) CNPS CNPW CNTH CONTROL PWB (TOP SIDE) CNPN CNLIUA CNLIUA CNPRG CNMT CNCSW CNSP CNCIS Output +5V +24V Voltage limits 4.25V ~ 5.75V 23.3V ~ 24.7V Connector No. Pin No. 1 2 3 4 5 6 CNPW +24V +24V MG MG DG +5V 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 condition. The location of ICPs are shown below: CNLIUA CNPW FU100 CONTROL PWB (BOTTOM SIDE) (1) FU100 (KAB3202) is installed in order to protect IC's from an overcurrent 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. SW-B4 DATA No. 3) (step 1) Select "OPTION SETTING". KEY : DISPLAY: FUNCTION OPTION SETTING NUMBER OF RING (step 2) Select "DIAL MODE". KEY: DISPLAY: Push until DIAL MODE indicated because the number of 's changes by the model. DIAL MODE is 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 4. Volume adjustment You can adjust the volume of the speaker, handset, and ringer using the UP and DOWN arrow keys. (1) Speaker 1. Press the SPEAKER key. 2. Press the UP or DOWN key until the display shows the desired volume level. • Press SPEAKER key again to turn off the speaker. (2) Handset 1. When talking through the handset, press UP or DOWN key until the display shows the desired volume level. Display: RECEIVER: HIGH RECEIVER: MIDDLE • Note: The volume reverts to MIDDLE each time you replace the handset. ↔↔ RECEIVER: LOW (3) Ringer 1. Press the UP or DOWN key. (Make sure SPEAKER key has not been pressed, the handset is not lifted, and a document is not loaded in the feeder.) Display: RINGER: HIGH ↔ ↔↔ RINGER: MIDDLE RINGER: LOW RINGER OFF: OK? • The ringer will ring once at the selected level, then the date and time will reappear in the display. 2. If you selected RINGER OFF: OK?, press START/MEMORY key. manuals4you.com 2 - 1