Marantz-DR700-cd-sb 维修电路原理图.pdf

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1、Approved by H. TamuraWritten by K. OnoDate:22-Nov-01Model:DR4050/DR6000/DR6050CDR500/CDR631Page:1/1REF.NBMZ01-019SERVICE BULLETINSubject:Circulation:Application:Improvement for inoperable all buttonsx for informationcustomer complaint incase of servicemandatory.See belowInt.ref:PHENOMENON While CD i

2、s played or CD-R/RW is recorded, the FL display is frozen and all buttons willnot be worked. (except POWER button.)SOLUTIONReplace the DASP IC with a new one (8204 056 03460, QC05603460).REMARKDR4050:01 - 11 LOTDR6000:01 - 16 LOTDR6050:01 - 12 LOTCDR500:01 - 10 LOTCDR631:01 - 14 LOTThis improvement

3、has been done in the production line afterthe LOT number “12” and later. (DR4050)the LOT number “17” and later. (DR6000)the LOT number “13” and later. (DR6050)the LOT number “11” and later. (CDR500)the LOT number “15” and later. (CDR631)The lot number and the service modification code are mentioned

4、in the serial number label on therear panel. (ex. MZxxxxxx12xxxx)RadioFans.CN 收音机爱 好者资料库Approved by H. TamuraWritten by K. OnoDate:16-Mar-01Model:DR4050Page:1/1REF.NBMZ01-009SERVICE BULLETINSubject:Circulation:Application:Parts code number correction (003B).x for informationcustomer complaint incase

5、 of servicemandatory.ALLInt.ref:PHENOMENONThe parts WINDOW (003B) is not replaceable.003BWINDOW 9965 000 07447 (PCS NO.) / 435W158010 (MJI NO.) CORRECTIONThe window should be replaced together with the FRONT PANEL (002B).Following front panels are including the window part.003BFRONT PANEL (BLACK)996

6、5 000 07436 (PCS NO.) / 435W248010 (MJI NO.)003BFRONT PANEL (GOLD)9965 000 07435 (PCS NO.) / 435W248110 (MJI NO.)RadioFans.CN 收音机爱 好者资料库Approved by C. Miyayama Written by H. Tamura Date:28-May-99Model: DR700Page:1/1REF.NB MZ99-015Subject:Circulation:Application:Int.ref:INFORMATIONThe EPROM (7322) ha

7、s been updated to the Version 1.8 since “AH04”. Updated functions arefollows;1. Playable DISC Before:Only Consumer CD-R/RW DISC is playable. V.1.8:Consumer CD-R/RW DISC and Professional CD-R/RW DISC both are playable. (Professional CD-R/RW DISC is not recordable.) REMAEK:This update had done with EP

8、ROM V.1.4. The error indication for professional DISC “NO AUDIO” is not shown after this update. 2. STOP condition while recording Digital source (Auto Track increment and Auto Stop) Before: Recording will automatically to STOP after silent sound signal less than -50dB continued 20sec. (Detect the a

9、nalogue signal level out put from the DAC.) V.1.8: In case of CD and MD; Recording will automatically to STOP approx. 3sec passed after the source DISC stop. (Detect the VALIDITY FLAG standard in IEC958.) In case of DAT; Recording will automatically to STOP after silent sound signal less than -50dB

10、continued 20sec. (no modification) ( In case of last Track playback for source: 1 Track recording) Before: Recording will automatically to STOP after silent sound signal less than -50dB continued 20sec. (Detect the analogue signal level out put from the DAC.) V.1.8: In case of CD and MD; Recording w

11、ill automatically to STOP approx. 3sec passed after the source DISC stop. In case of DAT; Recording will automatically to STOP after silent sound signal less than -50dB continued 20sec. (no modification) 3. CD-RW erase Before:Finalized DISC is recordable after DISC ERASE (ALL ERASE) only. V.1.8:Fina

12、lized DISC is recordable after DISC ERASE or TOC ERASE (Unfinalize). In case of TOC ERASE, additional recording and last track ERASE are available. 4. Emphasis bit Before:Emphasis bit will record to the DISC, in case of categories are CD, MD, DAT and DCC. V.1.8:Emphasis bit will record to the DISC,

13、in case of categories are CD, MD, DAT, DCC, Japanese digital audio broadcast and General.REMARKService code numbers 4822 900 11271 of that EPROM is not changed by this modification.The latest version of the EPROM is supplied always by same service code number.SERVICE BULLETINEPROM (7322) version up: V.1.8x for informationcustomer complaintin case of servicemandatory.AH03orearlier