Marantz SR 6300 Service Bulletin

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Approved by S.NAGAO Written by WQ-19 2 817 /additional rule 3 (1st Issue 2003-03-19) Date: 15-May.-2003 Model: SR7300,SR6300 Page: 1 / 1 REF.NBR: MZ03-018 Circulation: Application: Subject: Int.ref: [PHENOMENON] When learning and memorizing the remote control codes used by Set-top Box of Time Warner Inc., A part of cursor button can't be learned. [SOLUTION] RC7300SR is exchanged for the improvement the remote controller RC7300SRa. [NECESSARY PART] Improvement the remote controller part no. ZK03AJ0012 (SR6300: old remote controller part no. ZK15AW0010 FACTORY PART NO.8300030010010) (SR7300: old remote controller part no. ZK03AJ0010) [REMARKS] The countermeasure apply to this claim only. This solution has already been applied in the production line after the Lot number MZxxxxxx27xxxx and later. The production of SR6300 has been finished. SERVICE BULLETIN The problem that the remote controller cant lean other the remote controller . x for information customer complaint in case of service mandatory ................... See Below Model name RC7300SRa

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Approved by H.TAMURAWritten by K.ONOWQ-19 2 817/additional rule3 (1st Issue 2003-03-19)Date :15-May-2003 ModelSR5300/SR6300 Page :1/1 REF.NBR :MZ03-007 Circulation:Application: Subject: Int.ref :[ PHENOMENON] Abnormal noise appears from speaker after 10 minutes or so with digital input [SOLUTION] Replace DSP IC CS493263(IC709) to new type one (Parts No. *HC107260R). The countermeasure needs to apply to this claim only. [REMARKS] New IC has been applied in the production after the following serial number and after. SR5300/N1G: MZ000241001962 and later SR5300/N1B: MZ000241002811 and later SR5300/U1B: MZ000242002611 and later SR5300/A1B: MZ000242000326 and later SR5300/K1G: MZ000242000979 and later SR6300/N1G: MZ000241000987 and later SR6300/N1B: MZ000241001139 and later SR6300/U1B: MZ000241000862 and later SR6300/K1G: MZ000242000361 and later SERVICE BULLETIN Abnormal noise from speaker xfor information customer complaint in case of service mandatory ...................See below