DM-2000 (serv.man25). Countermeasure against U2-40 trouble due to power supply noise. — Sharp Copying Equipment Technical Bulletin (repair manual)

Model
DM-2000 (serv.man25)
Pages
1 Few pages! See other manuals at the bottom of the first or last page.
Size
1.08 MB
Type
PDF
Document
Technical Bulletin
Brand
Device
Copying Equipment / Countermeasure against U2-40 trouble due to power supply noise.
File
dm-2000-sm25.pdf
Date

View Sharp DM-2000 (serv.man25) Technical Bulletin online

DCE447
Sharp Electronics (UK) Ltd., Technical Services Group
Model Name
AR-161,163,200,205,206
AL1611,1622
DM2000
Symptom
U2-40 trouble (CRUM chip communication error) may occur.
Cause
Malfunction by noise on the power supply line. Occurrence in adverse machine installation
environment. (Place near a factory, etc.)
Description
Considering the serviceability in the market, a capacitor for noise absorption is supplied as a
service part. When the same trouble occurs, mount the capacitor for noise absorption to the
following place.
(Place to mount the capacitor for noise absorption)
    Solder the capacitor for noise absorption between pins 1 and 5 of CN101.
    Note: Cut the capacitor's legs to the proper length before use.
New part code
Part Name
Price Code
VCQYTU1HM223K
Capacitor (0.022
µ
F/50V)
AE
Countermeasure against U2-40 trouble due to power
supply noise
TECHNICAL BULLETIN
Date:
21 April 2004
Model: DM2000
Ref.:
097
Colour: White
Page:
1 of 1
DCE447
Sharp Electronics (UK) Ltd., Technical Services Group
Model Name
AR-161,163,200,205,206
AL1611,1622
DM2000
Symptom
U2-40 trouble (CRUM chip communication error) may occur.
Cause
Malfunction by noise on the power supply line. Occurrence in adverse machine installation
environment. (Place near a factory, etc.)
Description
Considering the serviceability in the market, a capacitor for noise absorption is supplied as a
service part. When the same trouble occurs, mount the capacitor for noise absorption to the
following place.
(Place to mount the capacitor for noise absorption)
    Solder the capacitor for noise absorption between pins 1 and 5 of CN101.
    Note: Cut the capacitor's legs to the proper length before use.
New part code
Part Name
Price Code
VCQYTU1HM223K
Capacitor (0.022
µ
F/50V)
AE
Countermeasure against U2-40 trouble due to power
supply noise
TECHNICAL BULLETIN
Date:
21 April 2004
Model: DM2000
Ref.:
097
Colour: White
Page:
1 of 1
DCE447
Sharp Electronics (UK) Ltd., Technical Services Group
Model Name
AR-161,163,200,205,206
AL1611,1622
DM2000
Symptom
U2-40 trouble (CRUM chip communication error) may occur.
Cause
Malfunction by noise on the power supply line. Occurrence in adverse machine installation
environment. (Place near a factory, etc.)
Description
Considering the serviceability in the market, a capacitor for noise absorption is supplied as a
service part. When the same trouble occurs, mount the capacitor for noise absorption to the
following place.
(Place to mount the capacitor for noise absorption)
    Solder the capacitor for noise absorption between pins 1 and 5 of CN101.
    Note: Cut the capacitor's legs to the proper length before use.
New part code
Part Name
Price Code
VCQYTU1HM223K
Capacitor (0.022
µ
F/50V)
AE
Countermeasure against U2-40 trouble due to power
supply noise
TECHNICAL BULLETIN
Date:
21 April 2004
Model: DM2000
Ref.:
097
Colour: White
Page:
1 of 1
DCE447
Sharp Electronics (UK) Ltd., Technical Services Group
Model Name
AR-161,163,200,205,206
AL1611,1622
DM2000
Symptom
U2-40 trouble (CRUM chip communication error) may occur.
Cause
Malfunction by noise on the power supply line. Occurrence in adverse machine installation
environment. (Place near a factory, etc.)
Description
Considering the serviceability in the market, a capacitor for noise absorption is supplied as a
service part. When the same trouble occurs, mount the capacitor for noise absorption to the
following place.
(Place to mount the capacitor for noise absorption)
    Solder the capacitor for noise absorption between pins 1 and 5 of CN101.
    Note: Cut the capacitor's legs to the proper length before use.
New part code
Part Name
Price Code
VCQYTU1HM223K
Capacitor (0.022
µ
F/50V)
AE
Countermeasure against U2-40 trouble due to power
supply noise
TECHNICAL BULLETIN
Date:
21 April 2004
Model: DM2000
Ref.:
097
Colour: White
Page:
1 of 1
DCE447
Sharp Electronics (UK) Ltd., Technical Services Group
Model Name
AR-161,163,200,205,206
AL1611,1622
DM2000
Symptom
U2-40 trouble (CRUM chip communication error) may occur.
Cause
Malfunction by noise on the power supply line. Occurrence in adverse machine installation
environment. (Place near a factory, etc.)
Description
Considering the serviceability in the market, a capacitor for noise absorption is supplied as a
service part. When the same trouble occurs, mount the capacitor for noise absorption to the
following place.
(Place to mount the capacitor for noise absorption)
    Solder the capacitor for noise absorption between pins 1 and 5 of CN101.
    Note: Cut the capacitor's legs to the proper length before use.
New part code
Part Name
Price Code
VCQYTU1HM223K
Capacitor (0.022
µ
F/50V)
AE
Countermeasure against U2-40 trouble due to power
supply noise
TECHNICAL BULLETIN
Date:
21 April 2004
Model: DM2000
Ref.:
097
Colour: White
Page:
1 of 1

Download Sharp DM-2000 (serv.man25) Technical Bulletin

Here you can view online or download Sharp DM-2000 (serv.man25) Technical Bulletin in pdf. This Technical Bulletin can help you recover, restore, fix, disassemble and repair Sharp DM-2000 (serv.man25) Copying Equipment. Information contained in Sharp DM-2000 (serv.man25) 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).