Marantz-CC4001-cd-mz09023 电路图 维修手册.pdf

100 Corporate Drive Mahwah, NJ 07430 Service Bulletin No. : MZ09-023 Date: April 10, 2009 _ Model: CC4001 Subject: Change of the main microcomputer (software) (firmware improvement for an abnormal motor drive situation) Symptom: There is a possibility of the loading motor turning and it will not stop, when an abnormality (soldering /short/opening etc.) was found in the motor drive circuit etc. Solution: The security function has been improved by a program change in main microcomputer IC control. Replace MICROPROCESSOR (O.T.P programmed) IC110 on the SERVO PWB. Before upgrading, please check the current Microprocessor version. It can be confirmed on the “SERVICE MODE”, please refer to the CC4001 Service Manual on page 7 for the procedure. Note: If you have stock of the old version IC (not having the following label), please upgrade to the improved type. _ CONFIDENTIALITY NOTICE: The information contained in this document is intended for the exclusive use by MARANTZ Authorized Service Centers and their employees. This document may contain information that is privileged, confidential and may be protected from disclosure under applicable laws and terms of the MARANTZ Service Agreement. Any distribution, disclosure, dissemination or copying of this document and the information it contains is prohibited. No responsibility will be accepted by MARANTZ for any damage, injury or loss resulting from the misuse of the information contained in this document. RadioFans.CN 收音机爱 好者资料库 Parts: Serial Number Range: Applies to MZ *0913* and earlier. This improvement has been done in production from serial number MZ *0914* and after. _ CONFIDENTIALITY NOTICE: The information contained in this document is intended for the exclusive use by MARANTZ Authorized Service Centers and their employees. This document may contain information that is privileged, confidential and may be protected from disclosure under applicable laws and terms of the MARANTZ Service Agreement. Any distribution, disclosure, dissemination or copying of this document and the information it contains is prohibited. No responsibility will be accepted by MARANTZ for any damage, injury or loss resulting from the misuse of the information contained in this document. RadioFans.CN 收音机爱 好者资料库