Marantz-PM4200-int-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: PM4200Page:1 / 1REF.NBR:MZ03-012Circulation:Application:Subject:Int.ref:PHENOMENONInput Selector of PM4200 works by the remote control of DVR7000 by Pioneer product.The micro processor of PM420

2、0 recognizes a code of the remote control for DVR7000 ,Because there is a code of Pioneer product which looks like MD/TAPE code for RC5.SOLUTIONReplace MICRO PROCESSOR IC61 on the U-COM / TONE & LED PCB.NECESSARY PARTPOS.NO IC61 *HU100670R (FACTORY PART NO. HVIM37531E4FP) (Delete part : *HU100530R F

3、ACTORY PART NO. BVIANAM1335A)REMARKSThe countermeasure apply to this claim only.The production of PM4200 has been finished.SERVICE BULLETIN The unit works by the remote controller of other company.x for information customercomplaint in case of servicemandatory. See BelowRadioFans.CN 收音机爱 好者资料库Approv

4、ed by M.KIMURA Written by S.NAGAO AQ-19 2 817/additional rule 3 (first edition2002-03-12)Date:17-Jul.-2002Model: PM4200Page:1/2REF.NBR:MZ02-009revisionCirculation:Application:Subject:Int.ref:PHENOMENONThe MUTE LED sometimes blinks and the sounds from output intermit.CAUSEContact error between the br

5、acket (Pos. No. 30) and the ground of INPUT/AMPLIFIER PCB (Pos. No. 29).SOLUTION(Revision)Repair work was changed. This work is done without removing a circuit board.Contact to the ground certainly by the wire with the lug.Please refer to the processing figure of the next page and correct.NECESSARY

6、PARTThe wire with the lug: (MJI Part No. YB00091620 or similar product)REMARKSThis improvement has been done in the production line after.The serial number MZ000149006651 and later. (PM4200/N1B/N2B)The week code number MZxx0203xxxxxx and later. (PM4200/N1G/N2G)SERVICE BULLETIN Problem with incorrect

7、 operation of MUTE.x for information customercomplaint in case of servicemandatory.See belowRadioFans.CN 收音机爱 好者资料库REF.NBR: MZ02-009 Page 2/2Processing figure (Part side view) Solder the wire to the ground side lead of the R922 or R929D374Add the wire with the lug(MJI Part No. YB00091620 or similar product)Fastens the lug by the screw

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