Marantz-PM7200-int-sb1 电路图 维修手册.pdf

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1、 100 Corporate Drive Mahwah, NJ 07430 Service Bulletin No. : MZ05-006 Date: January 10, 2007 _ Model: PM7200 Subject: MICROPROCESSOR change information. Symptom: The original 4 bit u-P MICROPROCESSOR has been changed. A new style 8 bit u-P is now used. There is no compatibility between the (old styl

2、e) 4 bit u-P and the replacement 8 bit u-P. Solution: Replace the MICROPROCESSOR, ref. # 7401 located on the FRONT CIRCUIT BOARD. Attention: Sets with a serial no. range beginning with: “XE00 xxxxxxxxxx” do NOT replace 4 bit u-P with an 8 bit u-P. Please use the OLD 4 bit u-P (part no. 4822 209 1571

3、9). _ 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

4、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 d

5、ocument. RadioFans.CN 收音机爱 好者资料库 _ 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 disclosu

6、re 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 in

7、formation contained in this document. RadioFans.CN 收音机爱 好者资料库 _ 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 m

8、ay 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 result

9、ing from the misuse of the information contained in this document. Parts: FORMER NEW Ref # Description Part Number Description Part Number 7401 4 bit u-P TMP47C200BN 4822 209 157198 bit u-P TMP87C846 (MASK) or TMP87PH46N (FLASH) 90M- HU100750R Serial Number Range: Serial no.: “XE01xxxxxxxxxx”, “XE02xxxxxxxxxx and after” use the new 8 bit u-P. RadioFans.CN 收音机爱 好者资料库