Chapter 2. Adjustments; Adjustments - Sharp FO-155 Service Manual

FO-155A
FO-355A
CHAPTER2. ADJUSTMENTS
[1] Adjustments
General
Since the followingadjustmentsand settingsare providedfor this
model,makeadjustments and/orsetupasnecessary.
I. Adjustments
Adjustmentsofoutputvoltage(FACTORYONLY)
1. Installthe powersupplyunitin the machine.
2. Setthe recording paperanddocument.
3. When the documentis loaded,power is supplied to the output
lines. Confirm that outputs are within the limits below.
Outputvoltagesettings
b
CNHJ
I
L
CNLED
r
CNSP
[
CNLIU[
TEL/LIU
II NLIUA
CNPN
CNCSW
D
~cNTH
00
CNMTCNCCD
NLIUB
CNP
CONTROL
Output I Voltaqelimits I
+12V I 11.5V-12.5V I
+5V 4.75V- 5.25V
VM (+24V) 23.3V- 24.7V
(
POWER
SUPPLY
d
\
L
Connector
No.
CNPW
PinNo.
1
I
MG
1
2
MG
3
I
VM
4 VM
5 DG
6 +5V
7
AG
8 +12V
2. IC protectors replacement
ICPS(IC Protectors)are installedto protectthe motor driver circuit
andthe plungerdrivecircuit, ICPSprotectvariousICSand electronic
circuitsfroman overcurrent c ondition.
Thelocationof ICPS areshownbelow:
I
CNUUA
cNPti
o
~cm
0=
CNMT
CNCCD
[
CNPW
CNLIUB
n
F1OO
(1) F1OO (ICP-SO.7) i s installedin orderto protectIC'Sfrom an over-
currentgeneratedin the motor drive circuit. If F1OO is open, re-
placeit with a newone.
3. Settings
(1) Dialmodeselector
DIALmode(SoftSwitchNo.SWB4DATANo.3)
(step 1) Select
"OPTION SEITING",
DISPIAY: OPTION SE~lNG]~l PRESS X OR# I
(step
2)Select"DIALMODE".
r
Cursor
When initially
registering,
'Ey: o@@@o@@ !E3:i!%}:si;5:
formerly isshown.
DISPLAY:DIALMODE
I=[l=TONE,
2.PULSE1
(step3) Select, u sing"1"or "2".
KEY: o 1
DISPLAY:TONESELECTED
KEY:
o
2
DISPLAY: \ PULSE SELECTEDJ
(step4)
End, using the
"STOP"
k ey.
KEY:
@
STOP
2–1