Marantz-SR4320-avr-mz02026 电路图 维修手册.pdf

100 Corporate Drive Mahwah, NJ 07430 Service Bulletin No. : MZ02-026 Date: December 4, 2006 _ Model: SR4320 Subject: No sound is out put when Function is changed during the Volume Level indication. Symptom: After turning the Set on, if the Function is changed while the Volume Level indication is displayed, the protection circuit turns off and No sound is output .(This occurs two seconds after the function is changed during the Volume Level indication display.) Solution: Replace MICRO PROCESSOR (OTP) IC91 located on the FRONT CIRCUIT BOARD. Parts: Ref# Description Part Number IC91 TMP87PM78F *HS19AWT0R Serial Number Range: The countermeasure applies to this type of claim only. This improvement has been done in production after serial no.MZ000250001551 and later (SR4320/U1B) _ 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 is 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