C6752 (bizhub 650i/550i/450i)

Posted
ByAdministrator Administrator
You are here:

Please search Knowledge Base articles and Bulletins as they may contain relevant information and updated Part information such as Part numbers.

Contents

Trouble typeC6752: ASIC clock input error (front side)
RankC
Trouble detection conditionWhen starting the machine, verification on reading and writing the predetermined value for image processing ASIC on CCD board (CCDB) was conducted, and verification failure was detected.
Trouble isolationScanner
Relevant electrical parts-CCD unit
-CPU board (CPUB)
-Base board (BASEB)

Procedure

  1. Check the connector between CCDB CN2-BASEB CN6 for proper connection and correct as necessary.
  2. Check CPUB for proper installation and correct as necessary.
  3. Replace the CCD unit. (Part# AA7NR72500)
  4. Replace CPUB.
    650i/550i (Part# AC74H02P03)
    450i (Part# AC76H02P02)
  5. Replace BASEB. (Part# AC74H02101)

(Link to the Field Service Manual)