Marantz-SR5200-avr-mz02039 电路图 维修手册.pdf

100 Corporate Drive Mahwah, NJ 07430 Service Bulletin No. : MZ02-039 Date: December 5, 2006 _ Model: SR5200, SR6200, SR7200 Subject: Power transistor damage Symptom: The heat conductivity of OKABE sheet between the Heat Sink and Transistors is low so the efficiency of heat transfer to the heat sink is low. Solution: Replace OKABE SHEET with a MICA SHEET placed between the Heat Sink and Transistors. Attention: When the insulator is replaced, silicone grease must be applied on both sides of the insulator sheet. Use YG6260 Silicone grease (Toshiba silicone) or equivalent. Parts: Ref# Description Part Number NA POWER TR MICA SHEET320W120010 Serial Number Range: The countermeasure applies to this type of claim only. _ 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