Marantz-PM5003-int-mz09028 电路图 维修手册.pdf

100 Corporate Drive Mahwah, NJ 07430 Service Bulletin No. : MZ09-028 Date: May 21, 2009 _ Model: PM5003 Subject: Improvement of the DC protection circuit * This Service Bulletin is only service information for units displaying the symptom and needing the following minor improvement. This is not a call for rework and it need not be applied to stock units. Symptom: If the Amplifier breaks down, a DC voltage may be output from the speaker terminals. Solution: The value of the DC protection circuit of “INPUT PWB” and “AMPLIFIER PWB” has been changed. Change the parts listed below to the new values. Parts: Serial Number Range: All _ 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