Marantz-PM5003-int-mz09120 电路图 维修手册.pdf

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1、 100 Corporate Drive Mahwah, NJ 07430 Service Bulletin No. : MZ09-120 Date: November 17, 2009 _ Model: PM5003 Subject: Correction of distortion deterioration of SPK output. Countermeasure is applicable only upon claim from the customer. Symptom: The distortion of the speaker output deteriorates when

2、 the volume is up at SOURCE DIRECT, and a specific level is exceeded. Reason: The preamp oscillates due to the small capacity of C409/410 causing the preamp to become unstable. Solution: We changed capacitor C409/410 from 10pF to 100pF. Parts: FORMER NEW Ref # Description Part Number Description Par

3、t Number C409/410 10pf CERAMIC Capacitor NSP 100pf, CERAMIC Capacitor NSP Serial Number Range: Please apply the above modification to the production models in the following serial numbers. MZ000941001100 _ CONFIDENTIALITY NOTICE: The information contained in this document is intended for the exclusi

4、ve 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