AR-275 (serv.man94). Countermeasure against U2-40 trouble due to power - Sharp Copying Equipment Technical Bulletin (repair manual)

ar-275 (serv.man94) technical bulletin
Model
AR-275 (serv.man94)
Pages
2 Few pages! See other manuals at the bottom of the first or last page.
Size
639.16 KB
Type
PDF
Document
Technical Bulletin
Brand
Device
Copying Equipment / Countermeasure against U2-40 trouble due to power
File
ar-275-sm94.pdf
Date

Read Sharp AR-275 (serv.man94) Technical Bulletin online

DCE441
Sharp Electronics (UK) Ltd., Technical Services Group
1. Model Name
AR-235 / 275
2. Defect Symptom
U2-40 trouble (CRUM chip communication error) may occur.
3. Cause Of Occurrence
Malfunction due to noise on the power supply line, which can occur in adverse
machine installation environment (factories, etc.)
4. Description
Considering the serviceability in the market, a capacitor for noise absorption is
supplied as a service part. When the problem occurs, mount the capacitor for noise
absorption to the following place :
(Place to mount the capacitor for noise absorption)
Solder the component between JA4 and R315.
Note: Take care to install the component as per the diagram - cut the capacitor's
legs to the proper length (ensuring legs do not contact any other components or
jumpers, etc), bend it in the L shape, and then solder it.
Countermeasure against U2-40 trouble due to power
TECHNICAL BULLETIN
Date:
27 April 2004
Model: AR235 
 
AR275
Ref.:
057
Colour: White
Page:
1 of 1
DCE441
Sharp Electronics (UK) Ltd., Technical Services Group
Current parts
New parts
Model
name
Version
P/G
No.
Parts code
Parts code
Price
rank
Q'ty
Parts name
Effec-
tive
time
Inter-
change
-
ability
Note
AR-185
AR-215
AR-235
AR-275
AR-N275
AR-M208
AR-M208N
AR-5127
ALL
-
-
VCQYTU1HM223K
AE
1
Capacitor
(0.022
µµµµ
F/50V)
-
-
<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.
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Here you can read online and download Sharp AR-275 (serv.man94) Technical Bulletin in PDF. AR-275 (serv.man94) technical bulletin will guide through the process and help you recover, restore, fix, disassemble and repair Sharp AR-275 (serv.man94) Copying Equipment. Information contained in service manuals typically includes schematics / circuit diagrams, wiring diagrams, block diagrams, printed wiring boards, exploded views, parts list, disassembly / assembly, pcb.