AR-M550 (serv.man144). Correction for DC power blowout due to contact of EMI filter and CIS cover - Sharp Copying Equipment Technical Bulletin (repair manual)

ar-m550 (serv.man144) technical bulletin
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AR-M550 (serv.man144)
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2 Few pages! See other manuals at the bottom of the first or last page.
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Technical Bulletin
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Device
Copying Equipment / Correction for DC power blowout due to contact of EMI filter and CIS cover
File
ar-m550-sm144.pdf
Date

Read Sharp AR-M550 (serv.man144) Technical Bulletin online

ARE617
Sharp Electronics (UK) Ltd., Technical Services Group
1.Model Name
AR-M550U/M620U/M550N/M620N
2.Symptom:
When the EMI filter in CIS control PWB gets loose and contacts the upper CIS PWB
cover, the DC power may blow on some occasions.
3.Change:
1. Temporal measure
1) 
Attach a protect mylar to CIS PWB cover.
2)  Make sure the height of EMI filter of CIS control PWB is not touching the CIS PWB
Cover.  If too high, bend the EMI filter down.
CORRECTION FOR DC POWER BLOWOUT DUE TO
CONTACT OF EMI FILTER AND CIS PWB COVER
TECHNICAL BULLETIN
Date:
14 May 2004
Model: 
ARM550 620
Ref.:
003
Colour: 
White
Page:
1 of 2
ARE617
Sharp Electronics (UK) Ltd., Technical Services Group
2. Permanent measure
Diaphragms have been  added to CIS PWB cover.
When a CIS PWB cover with diaphragms is used, the protect mylar is not needed.
4.Action:
1. From January 2004 production.
2. Running change from April 2004.
5.Parts Action:
Current parts
New parts
Ref.
No.
Model
name
Version P/G No.
Parts code
Parts code
Price
rank
Parts name
Effective
time
Inter-
change
-
ability
Note
1
12-
---
PSHEP5291FCZZ
AF
CIS PWB
protect  mylar
From mid
2004/01
---
2
AR-M550U
AR-M620U
AR-M550N
AR-M620N
ALL
12-8
PCOVP1733FCZZ
PCOVP1733FCZ1
AG CIS PWB cover
2004/04
Running
change
3
<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-M550 (serv.man144) Technical Bulletin in PDF. AR-M550 (serv.man144) technical bulletin will guide through the process and help you recover, restore, fix, disassemble and repair Sharp AR-M550 (serv.man144) 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.