AR-285 (serv.man131). 1.Change To The Attachment Screws Of The Optical Reception PWB Holder. 2. Measure To Alleviate Problems Of Electrical Noise In The ICU PWB. (WHITE) — Sharp Copying Equipment Technical Bulletin (repair manual)

Model
AR-285 (serv.man131)
Pages
2 Few pages! See other manuals at the bottom of the first or last page.
Size
110.68 KB
Type
PDF
Document
Technical Bulletin
Brand
Device
Copying Equipment / 1.Change To The Attachment Screws Of The Optical Reception PWB Holder. 2. Measure To Alleviate Problems Of Electrical Noise In The ICU PWB. (WHITE)
File
ar-285-sm131.pdf
Date

View Sharp AR-285 (serv.man131) Technical Bulletin online

1.
CHANGE TO THE ATTACHMENT SCREWS OF THE
OPTICAL RECEPTION PWB HOLDER.
2.
MEASURE TO ALLEVIATE PROBLEMS OF
ELECTRICAL NOISE IN THE ICU PWB.
1. Change to the attachment screws of the optical reception PWB holder.
1.Model Name:
AR280/285/335/405
2.General:
A change has been carried out in the attachment screws of the optical reception PWB
holder. The new attachment screws are shorter than the old ones. This action has been
carried out as a measure to improve the space between the attachment screws of the
optical reception PWB holder and the fixing screws which secure the sliding material of the
2/3 mirror holder unit in place.
3.Action:
From mid-January 1999 production.
ARE155
Sharp Electronics (UK) Ltd., Technical Services Group
Date:
15 October 1999
Model:
AR280/285/335
Ref:
044
Colour: White
Page:
1 of 2
TECHNICAL BULLETIN
Changed screw
XHBSD40P08000
XHBSE40P06000
!
2. Measure to alleviate problems of electrical noise in the ICU PWB.
1.Model Name:
AR405
2.General:
The addition of a noise filter, and other parts such as resistors has been carried out. This
action has been carried out as a measure to alleviate problems of electrical noise in the ICU
PWB.
100 V series (CPWBN1392FC51 / CPWBN1392FC52)
Added parts
Locations of the added parts
Noise filter
RFILN6012RCZZ
NF76-81
Noise filter
RFILN6013RCZZ
NF65-75, NF82-84
Resistor (910 W)
VRS-TS2AD911J
R357
Zener diode
VHEHZS5A1//-1
ZD2
Diode
VHDDSS133HV-1
D5
200 V series (CPWBN1393FC51)
Added parts
Locations of the added parts
Resistor (910 W)
VRS-TS2AD911J
R357
Zener diode
VHEHZS5A1//-1
ZD2
Diode
VHDDSS133HV-1
D5
3.Action:
From the 1st lot of March 1999 production.
Ref.
No.
Model
name
Version
P/G No.
Current parts
New parts
Parts name
Effec-
tive
time
Inter-
change-
ability
Note
Parts code
Parts code
Price
rank
1
AR280
AR285
All
6 -26
XHBSD40P08000
XHBSE40P06000
AA
Screw (4 ´ 6)
Mid-
'99/1
3
AR335
AR405
2
AR405
100V
series
44
—
RFILN6012RCZZ
AB
Noise filter
1st lot
'99/3
6
Q'ty: 6
RFILN6013RCZZ
Q'ty:14
All
44 -100
VRS-TS2AD911J
Added 1 location
AA
Resistor
44
—
VHEHZS5A1//-1
AC
Zener diode
44 -43
VHDDSS133HV-1
Added 1 location
AA
Diode
<Interchange>
1. Interchangeable.
4. Not interchangeable.
2. Current type can be used in place of new type.
New type cannot be used in place of current type.
5. Interchangeable if replaced with same types of
related parts in use.
3. Current type cannot be used in place of new type.
New type can be used in place of current type.
6. Others.
Parts marked with “
” is important for maintaining the safety of the set. Be sure to replace these parts with
specified ones for maintaining the safety and performance of the set.
ARE155
Sharp Electronics (UK) Ltd., Technical Services Group
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Here you can view online or download Sharp AR-285 (serv.man131) Technical Bulletin in pdf. This Technical Bulletin can help you recover, restore, fix, disassemble and repair Sharp AR-285 (serv.man131) Copying Equipment. Information contained in Sharp AR-285 (serv.man131) service manual (repair manual) typically includes:

  • Disassembly, troubleshooting, programming, maintenance, remote, adjustment, installation and setup instructions.
  • Schematics, wiring and block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Parts list (bill of materials).