Marantz-SR6300-avr-sb 维修电路原理图.pdf

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1、Approved by S.NAGAO Written by WQ-19 2 817/additional rule 3 (1st Issue 2003-03-19)Date:15-May.-2003Model: SR5300,SR6300Page:1 / 1REF.NBR:MZ03-019Circulation:Application:Subject:Int.ref:PHENOMENON1. A part of the modification item of SETUP MAIN MENU is the following. OLD NEW PL2 PLII DTS ES DTS ES M

2、atrix/Diacrete Neo6 Neo:62. The problem of Speaker Distance center delay is modified. SOLUTIONReplace MICRO PROCESSOR IC107 on the MAIN PCB and IC704 on the DSP PCB.MICRO PROCESSOR version becomes V021125 01NECESSARY PARTPOS.NOIC107*HU100700R (CXP740010 Factory part no. J020740010173)POS.NOIC704*HC1

3、08450R (M27W401-80B6 Factory part no. J080493260030)Old partPOS.NOIC107*HU100610R (CXP740010 Factory part no. J020740010163)POS.NOIC704*HC107760R (M27W401-80B6 Factory part no. J000274010010)REMARKSThis improvement has been done in the production as follows.the serial no.MZ010307005811 and after (SR

4、5300/N1B)the serial no.MZ010307004544 and after (SR5300/N1G)the serial no.MZ010307005811 and after (SR5300/U1B)the serial no.MZ010308004696 and after (SR5300/K1G)the serial no.MZ010308002489 and after (SR6300/N1B)the serial no.MZ010308002019 and after (SR6300/N1G)the serial no.MZ010309001808 and aft

5、er (SR6300/K1G)SERVICE BULLETIN 1. Modify a part of the indication on display. 2. Cirrus DSP code changex for information customercomplaint in case of servicemandatory. See BelowRadioFans.CN 收音机爱 好者资料库Approved by H.TAMURAWritten by K.ONOWQ-19 2 817/additional rule3 (1st Issue 2003-03-19)Date:15-May-

6、2003ModelSR5300/SR6300Page:1/1REF.NBR:MZ03-007Circulation:Application:Subject:Int.ref: PHENOMENONAbnormal noise appears from speaker after 10 minutes or so with digital inputSOLUTIONReplace DSP IC CS493263(IC709) to new type one (Parts No. *HC107260R).The countermeasure needs to apply to this claim

7、only.REMARKSNew IC has been applied in the production after the following serial number and after.SR5300/N1G: MZ000241001962 and laterSR5300/N1B: MZ000241002811 and laterSR5300/U1B: MZ000242002611 and laterSR5300/A1B: MZ000242000326 and laterSR5300/K1G: MZ000242000979 and laterSR6300/N1G: MZ000241000987 and laterSR6300/N1B: MZ000241001139 and laterSR6300/U1B: MZ000241000862 and laterSR6300/K1G: MZ000242000361 and laterSERVICE BULLETIN Abnormal noise from speakerx for informationcustomer complaintin case of servicemandatory.See belowRadioFans.CN 收音机爱 好者资料库