Sharp UX-B800A, Руководство по обслуживанию, Страница: 15 / 140

UX-B800A
2 – 1
UX-B800A
Service Manual
CHAPTER 2.
ADJUSTMENTS
[1] Adjustments
1. General description
Since the following adjustments and settings are provided for this
model, make adjustments and/or setup as necessary.
2. 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.
2.1. Output voltage settings
3. IC protectors replacement
ICPs (IC Protectors) are installed to protect the CIS and Ope amp. cir-
cuit. ICPs protect various ICs and electronic circuits from an overcur-
rent condition.
The location of ICPs are shown below:
1) FU900 (KAB5002) is installed in order to protect overc24V
supply. If FU900 is open, replace it with a new one.
4. Settings
4.1. Dial mode selector
DIAL mode (Soft Switch No. SW-9 Data No. 8)
Use this to set the fax machine to the type of telephone line you are
on.
•
The factory setting is “TONE”.
5. Volume adjustments
5.1. Speaker volume
5.2. Ringer volume
Output Voltage limits
+5V 4.75 - 5.25V
+30V 27.0 - 33.0V
Pin No. CNPW
1 +30V
2 +30V
3 MG
4 MG
5 DG
6 DG
7 +5V
8 +5V
CONTROL PWB
POWER SUPPLY PWB
LIU PWB
CNPN CNSCANMT CNCIS CNLIU CNSP
CNPRT1 CNPRT2
CNCRMT
CNLIU
CNPW
CNPW
1
1
1 8
8
15
1 15
CNENC CNFDMT
CNLAN
CONTROL PWB
(TOP VIEW)
CNPN CNSCANMT CNCIS CNLIU CNSP
CNPRT1 CNPRT2
CNCRMT
CNPW
IC600
FU900
CNENC CNFDMT
CNLAN
(step 1) Select "OPTION SETTING".
KEY : FUNCTION , , ,
DISPLAY: OPTION SETTING PRESS KEY
(step 2) Select "DIAL MODE".
KEY: , , , ,
DISPLAY: DIAL MODE
1: TONE, 2: PULSE
(step 3) Select, using "1" or "2".
KEY:
DISPLAY: TONE
KEY:
DISPLAY: PULSE
(step 4) End, using the "STOP" key.
(Press the STOP key three times.)
KEY:
1
2
STOP
1
Press .
2
Press or to select
HIGH , MIDDLE
, or
LOW .
•
Press again to turn off the
speaker.
SPEAKER
SPEAKER
1
Press or to select
HIGH , MIDDLE , LOW
, or
OFF .
(Make sure has not been
pressed, the handset is not lifted,
and a document is not loaded in the
feeder.)
•
The ringer will ring once at the
selected level.
2
If you selected "
OFF OK ?
" to turn
off the ringer, press .
SPEAKER
START/
MEMORY