Marantz-SR4300-avr-mz06034 电路图 维修手册.pdf

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1、 100 Corporate Drive Mahwah, NJ 07430 Service Bulletin No. : MZ06-034 Date: December 18, 2006 _ Model: SR4300 Subject: Correction of the Service Manual, System Error Information. Symptom: The System Error information mentioned on the SR4300s Service Manual is incorrect. (Service Manual page 57) Solu

2、tion: The revised System Error information is as follows: 10. SYSTEM ERROR When the microcomputer detects a problem, the following information is displayed on the FLD. 1. Trouble in DSP If communication with DSP (ICS13) is troubled for more than 2 seconds, the FLD shows. * This display stays and sou

3、nd is muted. 2. Trouble in EEPROM If data from EEPROM (ICS14) does not match, FLD shows. * After displaying it, Back-up Data is reset to default. _ CONFIDENTIALITY NOTICE: The information contained in this document is intended for the exclusive use by MARANTZ Authorized Service Centers and their emp

4、loyees. 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.

5、 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 3. Trouble in EEPROM I/F If communication with EEPROM (ICS14) is troubled more than 2 seconds, FLD shows. 4. Trouble in 5V Su

6、pply If 5V supply to DIGITAL/AUDIO PCB is troubled, FLD shows. 5. PROTECT * If a trouble is detected upon turning on the power, CPU turns off the speaker relay. If the trouble is not recovered within 2 seconds, the CPU switches the unit into stand-by mode. If DC offset or over current is detected wh

7、ile the power is on, CPU turns off the speaker relay. If the unit overheats or some trouble is detected on the main transformer, the CPU switches the unit into stand-by immediately. Serial Number Range: All _ CONFIDENTIALITY NOTICE: The information contained in this document is intended for the excl

8、usive 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