Marantz DR 6000 Service Bulletin

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Approved by H. TamuraWritten by K. Ono Date:10-May-01Model:DR6000/DR6050/CDR631/CDR500Page:1/2REF.NB MZ01-015SERVICE BULLETIN Subject:Circulation:Application:Improvement for OPC error and Finalize error,etc.xfor information customer complaint in case of service mandatory ...................ALL Int.ref:[ PHENOMENON] Since a certain CD-R disc made in Taiwan is low quality, OPC is not completed normally. [ SOLUTION] Please check the version of each software using the service mode. If the versions are earlier than and , update each software referring to attachment sheet. Please refer to the service manual for CDR module MAR770/MAR775. (3120 785 22620, 385K855020) about details of updating software. Please contact to MARANTZ office about the firmware and . [REMARK] OPU value realignment is mandatory after replace the EPROM. Please refer to the service manual for CDR module MAR770/MAR775. (3120 785 22620, 385K855020) about details of above alignment.

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MZ01-015 Page 2/2 DR6000DR6050CDR631CDR500COMMENTS MAR2.5First versionupdate by FLASH99NONO--Update is necessary when CD software up to V3.6 only. Track inclement timing delay (200ms) from DAT has improved. Update for professional CDR's. DAO function has been added. Update for CD V3.6 combination. MAR2.14Update for other CDR's. (not related with MARANTZ ones)update by FLASH99NONONOYES Improvement for miss CD-TEXT recording from normal CD while Improvement for miss CD-TEXT recording of "Album Performer" while DAO. 2.01First versionEPROM 7208 replacementYESYES-- 2.02+Update for professional CDR's.EPROM 7208 replacementYESYESYES- 2.08+OPC algorithm improved for 80 min CDR Disc and etc..EPROM 7208 replacementYESYESYESYES 2.11+OPC algorithm more improved for most CDR Discs.-NONONONO V3.4First versionIC 7202 replacement-NO--Update will be appreciated to complained product only.Improvement for missing start part of tracks after the tracksearch.Improvement for CD playability.NO NO NOIC7202(S87C654) code number is 3104 123 85630. The CD software V3.6 must be kept combination with DASP MAR2.13 or higher version. NO- -OPU readjustment and Beta alignment by ComPair are mandatory. NO NO NONONOYES MAR2.8SOFTWAREMODULEUpdate to latest versionHow to updateMODIFICATION (Improved symptom)VERSIONV3.6-update byFLASH99 - MAR2.15 MAR2.13 CD MAR1250MACE CDR MAR770 or MAR775DASPNO-Update is necessary when CD software up to V3.6 only. update by FLASH99NONO