Marantz-SR7200-avr-sb 维修电路原理图.pdf

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1、Approved by H.TAMURAWritten by K.ONOWQ-19 2 817/additional rule3 (1st Issue 2003-03-19)Date:15-May-2003Model:SR5200/SR6200/SR7200Page:1/2REF.NBR:MZ02-033Circulation:Application:Subject:Int.ref: PHENOMENONHum noise can be heard from Headphone outREASONSCaused by ground loop of the headphone out.SOLUT

2、IONPlease apply the following solution.SERVICE BULLETINHum noise can be heard from Headphone out.x for informationcustomer complaintin case of servicemandatorySee belowMain PCBConnect the GND (at J118) to the chassisby the earth rug.Cut a jumper J118RadioFans.CN 收音机爱 好者资料库Approved by H.TAMURAWritten

3、 by K.ONOWQ-19 2 817/additional rule3 (1st Issue 2003-03-19)MZ02-033 Page 2/2REMARKSThis solution has already been applied in the production after the serial numbers below.SR5200/N2BMZ020149006031 and afterSR5200/N2GMZ020149004426 and afterSR5200/U2BMZ020149003041 and afterSR5200/K2GMZ020149003041 a

4、nd afterSR6200/N2BMZ020149003531 and afterSR6200/N2GMZ020150002446 and afterSR6200/U2BMZ020149004311 and afterSR6200/K2GMZ020150001666 and afterSR7200/N2BMZ010148002426 and afterSR7200/N2GMZ010148002781 and afterSR7200/U2BMZ010148008211 and afterSR7200/K2GMZ010149000681 and afterRadioFans.CN 收音机爱 好者

5、资料库Approved by H.TAMURAWritten by K.ONOWQ-19 2 817/additional rule3 (1st Issue 2003-03-19)Date:15-May-2003Model: SR5200/SR6200/SR7200Page:1/6REF.NBR: MZ02-032Circulation:Application:Subject:Int.ref: PHENOMENONPop noise appears when stop playing or track skip on CD playback with Digital connection.Po

6、p noise appears in the condition of the Main volume is changed 74dB to 75dB(Mute) .SOLUTIONPlease apply the modifications as mentioned in page 2 to page 6.Caution Modifications are deferent with version of the P.C.Board. Please confirm the version of the P.C.Board* Version 1 P.C.Board (7020 06076 00

7、1-0) : Please apply the modification mentioned on Page2 to 4.* Version 2 P.C.Board (7020 06076 001-3) : Please apply the modification mentioned on Page5 to 6.REMARKSThis solution has already been applied in the production after the serial numbers below.SR5200/N2BMZ020149006031 and afterSR5200/N2GMZ0

8、20149004426 and afterSR5200/U2BMZ020149003041 and afterSR5200/K2GMZ020149003041 and afterSR6200/N2BMZ020149003531 and afterSR6200/N2GMZ020150002446 and afterSR6200/U2BMZ020149004311 and afterSR6200/K2GMZ020150001666 and afterSR7200/N2BMZ010148002426 and afterSR7200/N2GMZ010148002781 and afterSR7200/

9、U2BMZ010148008211 and afterSR7200/K2GMZ010149000681 and afterSERVICE BULLETINPop noisex for informationcustomer complaintin case of servicemandatorySee belowApproved by H.TAMURAWritten by K.ONOWQ-19 2 817/additional rule3 (1st Issue 2003-03-19)MZ02-032 Page 2/6* Version 1 P.C.Board (7020 06076 001-0

10、) : Please apply the modification mentioned below (Page2 to 4).Replace R549 (7pcs) 470k ohm to 100k ohm(Parts #: NN05104610).Replace R582 (7 pcs) 470k ohm to 68k ohm(Parts #: NN05683610).Version1 P.C.B.Approved by H.TAMURAWritten by K.ONOWQ-19 2 817/additional rule3 (1st Issue 2003-03-19)MZ02-032 Pa

11、ge 3/6Replace/change the condenser C502 (7pcs) 100pF tothe resister 100k ohm (Parts #: NN05104610)Remove R543/R544/R545/R546/R547 and C505.Approved by H.TAMURAWritten by K.ONOWQ-19 2 817/additional rule3 (1st Issue 2003-03-19)MZ02-032 Page 4/6Replace the condenser C528 (7pcs) 4.7uF to2.2uF (Parts #:

12、 EA22501610)Approved by H.TAMURAWritten by K.ONOWQ-19 2 817/additional rule3 (1st Issue 2003-03-19)MZ02-032 Page 5/6* Version 3 P.C.Board (7020 06076 001-3) : Please apply the modification mentioned below (Page 5 to 6).Remove R543/R544/R545/R546/R547 andC505Replace C528 (7pcs) 4.7uF to 2.2uF (Parts

13、# : EA22501610)Replace R582 (7pcs) 470k ohm to 68k ohm(Parts #: NN05683610)Remove R549 (6pcs).Replace R549 (470k ohm) to 100kohm (Parts #: GD05104160)Add 100k ohm resister (Parts #: NN05104610) between Corrector andEmitter of the Q508/Q509/Q510/Q511/Q512/Q513/Q514 (7pcs).Version3 P.C.BApproved by H.

14、TAMURAWritten by K.ONOWQ-19 2 817/additional rule3 (1st Issue 2003-03-19)MZ02-032 Page 6/6Replace/change the condenser C502 (7pcs) 100pF tothe resister 100k ohm (Parts #: NN05104610)Approved by S.NAGAO Written by WQ-19 2 817/additional rule 3 (1st Issue 2003-03-19)Date:15-May.-2003Model:SR5200,SR620

15、0,SR7200Page:1 / 1REF.NBR:MZ02-027Circulation:Application:Subject:Int.ref:PHENOMENONWhen changes from the dark screen to the light screen momentarily, becomes video synchronization problem.SOLUTION1. Electrolytic capacitor C846(1uF/50V) is changed to 0.33uF/50V on the S-VIDEO CIRCUIT BOARD.Page 37 o

16、f the Service manual for SR5200/SR6200.Page 35 of the Service manual for SR7200.2. Electrolytic capacitor C846M(1uF/50V) is changed to 0.33uF/50V on the VIDEO CIRCUIT BOARD.Page 38 of the Service manual for SR5200/SR6200.Page 36 of the Service manual for SR7200.NECESSARY PART1. POS.NO C846 EA3340501

17、0(0.33uF/50V)2. POS.NO C846M EA33405010(0.33uF/50V)REMARKS1) The countermeasure apply to this claim only.2) This improvement has been done in the production line after. the serial number MZ030202000001 and later.(SR5200/K1G/N1G/N1B/U1B) the serial number MZ030202000001 and later.(SR6200/K1G/N1G/N1B/

18、U1B) the serial number MZ030202000001and later. (SR7200/U1B) the serial number MZ020208000001 and later. (SR7200/N1B) the serial number MZ030206000001 and later. (SR7200/N1G)3) SR5200/SR6200/SR7200/N2B,N2G,U2B and K2G are not applicable to the mass production due to the production completion. (The f

19、ollowing serial number is excluded.) the serial number from MZ020149003161 to MZ020149004040. (SR5200/K2G) the serial number from MZ020150004271 to MZ020150005600. (SR5200/K2G) the serial number from MZ020150002446 to MZ020150002696. (SR6200/N2G)SERVICE BULLETINVideo synchronization problem.x for in

20、formation customercomplaint in case of servicemandatory. See BelowApproved by S.NAGAO Written by WQ-19 2 817/additional rule 3 (1st Issue 2003-03-19)Date:15-May.-2003Model:SR5200,SR6200,SR7200Page:1 / 1REF.NBR:MZ02-039Circulation:Application:Subject:Int.ref:PHENOMENONThe heat conductivity of OKABE s

21、heet between a Heat Sink and Transistors is a little lowso that efficiency of heat radiation is low.SOLUTIONReplace OKABE SHEET to MICA SHEET of between a Heat Sink and TransistorsAttention:When a Sheet is replaced, silicone grease is applied on both sides of the Sheet.Silicone grease is YG6260 (Tos

22、hiba silicone) or the equivalent.NECESSARY PART320W120010 ( SR5200 POWER TR MICA SHEET) REMARKSThe countermeasure apply to this claim only.This improvement has been done in the production after the serial numbers below.SR5200/N2B : MZ020147004501 and afterSR5200/N2G : MZ020147003986 and afterSR5200/

23、U2B : MZ020149004611 and afterSR5200/K2G : MZ020149003041 and afterSR6200/N2B : MZ020146002976 and afterSR6200/N2G : MZ020146002076 and afterSR6200/U2B : MZ020149004311 and afterSR6200/K2G : MZ020147001346 and afterSR7200/N2B : MZ010148002426 and afterSR7200/N2G : MZ010148002781 and afterSR7200/U2B

24、: MZ010148008211 and afterSR7200/K2G : MZ010148000481 and afterSERVICE BULLETIN The damage of the power transistorx for information customercomplaint in case of servicemandatory. See BelowApproved by M.KIMURA Written by S.NAGAO AQ-19 2 817/additional rule 3 (first edition2002-03-12)Date:22-Aug-2002M

25、odel:SR5200,SR6200,SR7200Page:1 of 1REF.NBR:MZ02-016Circulation:Application:Subject:Int.ref:PHENOMENONWhen the SET is connected with the DVD Player (DV4200,DV6200,VC5200), No sound is out put whenAUDIO signal is changed from AC-3 to PCM. ( It may occur by the combination.)CAUSEThe microprocessor of

26、SR5200/6200/7200 cant recognize the voice switching signal of the DVD Player.SOLUTIONReplace MICRO PROCESSOR(OPT) IC107 on the MAIN CIRCUIT BOARD.NECESSARY PARTPOS.NO IC107 *HU100600R (CXP7400P100-1 QFP 100 0 FACTORY PART NO. J020740010100)REMARKSThe countermeasure apply to this claim only.It isnt a

27、pplicable to the mass production due to the production completion.SERVICE BULLETINThe problem that No sound is out put whenAUDIO signal is changed from AC-3 to PCM.x for information customercomplaint in case of servicemandatory. See BelowApproved by H. TamuraWritten by H. NakamuraDate: 27-Sep-01Mode

28、l:SR5200/6200/7200Page:1/2REF.NBMZ01-016SERVICE BULLETINSubject:Circulation:Application:The noise (stripes) occur on the picture.x for informationcustomer complaintin case of servicemandatory.Refer to following.Int.refPHENOMENONWhen a output connect with the monitor via the S-VIDEO terminal, noise(s

29、tripes) occurat the picture.CAUSEThe clock from the OSD circuit, it caused interference to VIDEO-AMP circuit.SOLUTIONIt is improved by performing of following modification to the S-VIDEO board.1) The capacitor(C810A 100pF: DK16101300 4822 122 33195) is added between 1P of IC802 and GND(refer to PIC.

30、01).2) The jumper wire(J841) is deleted and a capacitor(C840A 47uF/16V: EA476016209965 000 06289) is added to same position (refer to PIC.02).3) The chip resistor(R838) is changed into 12kohm one(NN051236104822 051 30123) from the present 3.3kohm one.4) The chip resistor(R835) is changed into 15kohm

31、 one(NN05153610 4822 051 30153) from the present 68kohm one.REQUIRED PARTSMJI No.(PCS No.)CERAMIC CAPACITOR(100pF):DK16101300 (4822 122 33195)CHEMICAL CAPACITOR(47uF/16V):EA47601620 (9965 000 06289)CHIP RESISTOR(12kohm):NN05123610 (4822 051 30123)CHIP RESISTOR(15kohm): NN05153610 (4822 051 30153)APP

32、LICATION xxxx: are week code, do not care.SR5200/U1B, /U2B: from MZ00 xxxx000001until MZ00 xxxx001400SR6200/U1B, /U2B: from MZ00 xxxx000001until MZ00 xxxx001500(except: MZ00 xxxx000901 - 001200)SR7200/U1B, /U2B: from MZ00 xxxx000001until MZ00 xxxx002000SR5200/N1B, /N2B: from MZ00 xxxx000001until MZ0

33、0 xxxx002390SR5200/N1G, /N2G: from MZ00 xxxx000001until MZ00 xxxx002748(except: MZ00 xxxx002486 - 002632)SR6200/N1B, /N2B: from MZ00 xxxx000001until MZ00 xxxx001250SR6200/N1G, /N2G: from MZ00 xxxx000001until MZ00 xxxx000612SR7200/N1B, /N2B: from MZ00 xxxx000001until MZ00 xxxx000875SR7200/N1G, /N2G:

34、from MZ00 xxxx000001until MZ00 xxxx000800Approved by H. TamuraWritten by H. Nakamura C810A (100pF: DK16101300 4822 122 33195)PIC.01 C840A (47uF/16V:EA47601620 9965 000 06289)PIC.02Approved by H.TAMURAWritten by K.ONOWQ-19 2 817/additional rule3 (1st Issue 2003-03-19)Date:15-May-2003Model SR5200/6200

35、/7200Page:1/1REF.NBR:MZ03-011Circulation:Application:Subject:Int.ref: PHENOMENONLow frequency level (approx. below 90Hz) of the front speakers will be reduced when the Sub woofer set to ONmode.It will occur with CS5.1 mode and Dolby Prologic mode only.SOLUTIONReplace the MPU (IC107) to the new one (

36、Parts No. *HU100600R).REMARKSThis solution has already been applied in the production after the week code number as below and later.SR5200/N1B,N1G : MZxxx202xxxxxx and afterSR5200/U1B : MZxxx202xxxxxx and afterSR5200/K1G : MZxxx211xxxxxx and afterSR6200/N1B,N1G : MZxxx202xxxxxx and afterSR6200/U1B :

37、 MZxxx202xxxxxx and afterSR6200/K1G : MZxxx210 xxxxxx and afterSR7200/N1B : MZxxx208xxxxxx and afterSR7200/N1G : MZxxx206xxxxxx and afterSR7200/U1B : MZxxx202xxxxxx and afterSR7200/K1G : MZxxx212xxxxxx and afterThe week code number is printed in the serial number label on the rear panel.SERVICE BULLETIN Low frequency level will be reduced a littlex for informationcustomer complaintin case of servicemandatory.See below