CD-C471H (serv.man19). Protection of audio output IC — Sharp Audio Technical Bulletin (repair manual)

Model
CD-C471H (serv.man19)
Pages
3 Few pages! See other manuals at the bottom of the first or last page.
Size
421.43 KB
Type
PDF
Document
Technical Bulletin
Brand
Device
Audio / System / Protection of audio output IC
File
cd-c471h-sm19.pdf
Date

View Sharp CD-C471H (serv.man19) Technical Bulletin online

 
Sharp Electronics (UK) Limited 
Reference EAA-950B
   
Revision  1 
 
White – Carry out as required, Yellow – Carry out as required and whenever the unit comes in for service, Red – Carry out on all units   
AUD991201 
Month of Issue: December 1999 
        Classification:                   White      
AUDIO TECHNICAL BULLETIN 
      Page 1 of 3 
 
 
MODELS
  
CDC410H 
CDC411H 
CDC413H 
CDC420H 
 
CDC421H 
CDC423H 
CDC430H 
CDC471H 
 
CDC471H 
 
 
 
 
 
SYMPTOM 
Failure ofthe audio output IC.           
 
 
ACTION Fit four protection diodes as shown in the following diagrams.                  
 
REF NO 
DESCRIPTION 
PART NUMBER 
PRICE CODE 
Diode, 1N4004S 
VHD1N4004S/-1 
AB 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Sharp Electronics (UK) Limited 
Reference EAA-950B
   
Revision  1 
 
White – Carry out as required, Yellow – Carry out as required and whenever the unit comes in for service, Red – Carry out on all units   
 
AUD991201 
Month of Issue: December 1999 
        Classification:                   White      
AUDIO TECHNICAL BULLETIN 
      Page 2 of 3 
 
 
                      
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Location of Protection Diodes – Models CDC410H, CDC420H and CDC430H 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Location of Protection Diodes – CDC471 and CDC477H 
 
Sharp Electronics (UK) Limited 
Reference EAA-950B
   
Revision  1 
 
White – Carry out as required, Yellow – Carry out as required and whenever the unit comes in for service, Red – Carry out on all units   
AUD991201 
Month of Issue: December 1999 
        Classification:                   White      
AUDIO TECHNICAL BULLETIN 
      Page 3 of 3 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Location of Protection Diodes – CDC411H, CDC413H, CDC421H and CDC431H
Page of 3

Download Sharp CD-C471H (serv.man19) Technical Bulletin

Here you can view online or download Sharp CD-C471H (serv.man19) Technical Bulletin in pdf. This Technical Bulletin can help you recover, restore, fix, disassemble and repair Sharp CD-C471H (serv.man19) System. Information contained in Sharp CD-C471H (serv.man19) 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).