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Extracted text from Marantz CDR 631 Service Bulletin (Ocr-read)
Page 1
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.
Page 2
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