Marantz-SR7200-avr-mz02033 电路图 维修手册.pdf

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1、Approved by H.TAMURAWritten by K.ONO WQ-19 2 817/additional rule3 (1st Issue 2003-03-19) Date:15-May-2003Model:SR5200/SR6200/SR7200 Page:1/2REF.NBR:MZ02-033 Circulation:Application: Subject: Int.ref: PHENOMENON Hum noise can be heard from Headphone out REASONS Caused by ground loop of the headphone

2、out. SOLUTION Please apply the following solution. SERVICE BULLETIN Hum noise can be heard from Headphone out. x for information customer complaint in case of service mandatory See below Main PCB Connect the GND (at J118) to the chassis by the earth rug. Cut a jumper J118 RadioFans.CN 收音机爱 好者资料库 App

3、roved by H.TAMURAWritten by K.ONO WQ-19 2 817/additional rule3 (1st Issue 2003-03-19) MZ02-033 Page 2/2 REMARKS This solution has already been applied in the production after the serial numbers below. SR5200/N2BMZ020149006031 and after SR5200/N2GMZ020149004426 and after SR5200/U2BMZ020149003041 and

4、after SR5200/K2GMZ020149003041 and after SR6200/N2BMZ020149003531 and after SR6200/N2GMZ020150002446 and after SR6200/U2BMZ020149004311 and after SR6200/K2GMZ020150001666 and after SR7200/N2BMZ010148002426 and after SR7200/N2GMZ010148002781 and after SR7200/U2BMZ010148008211 and after SR7200/K2GMZ01

5、0149000681 and after RadioFans.CN 收音机爱 好者资料库 Approved by H.TAMURAWritten by K.ONO WQ-19 2 817/additional rule3 (1st Issue 2003-03-19) Date:15-May-2003Model: SR5200/SR6200/SR7200 Page:1/6REF.NBR: MZ02-032 Circulation:Application: Subject: Int.ref: PHENOMENON Pop noise appears when stop playing or tra

6、ck skip on CD playback with Digital connection. Pop noise appears in the condition of the Main volume is changed 74dB to 75dB(Mute) . SOLUTION Please 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

7、 of the P.C.Board * Version 1 P.C.Board (7020 06076 001-0) : 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. REMARKS This solution has already been applied in the production after the serial numb

8、ers below. SR5200/N2BMZ020149006031 and after SR5200/N2GMZ020149004426 and after SR5200/U2BMZ020149003041 and after SR5200/K2GMZ020149003041 and after SR6200/N2BMZ020149003531 and after SR6200/N2GMZ020150002446 and after SR6200/U2BMZ020149004311 and after SR6200/K2GMZ020150001666 and after SR7200/N2

9、BMZ010148002426 and after SR7200/N2GMZ010148002781 and after SR7200/U2BMZ010148008211 and after SR7200/K2GMZ010149000681 and after SERVICE BULLETIN Pop noise x for information customer complaint in case of service mandatory See below RadioFans.CN 收音机爱 好者资料库 Approved by H.TAMURAWritten by K.ONO WQ-19

10、 2 817/additional rule3 (1st Issue 2003-03-19) MZ02-032 Page 2/6 * Version 1 P.C.Board (7020 06076 001-0) : 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). Vers

11、ion1 P.C.B. Approved by H.TAMURAWritten by K.ONO WQ-19 2 817/additional rule3 (1st Issue 2003-03-19) MZ02-032 Page 3/6 Replace/change the condenser C502 (7pcs) 100pF to the resister 100k ohm (Parts #: NN05104610) Remove R543/R544/R545/R546/R547 and C505. Approved by H.TAMURAWritten by K.ONO WQ-19 2

12、817/additional rule3 (1st Issue 2003-03-19) MZ02-032 Page 4/6 Replace the condenser C528 (7pcs) 4.7uF to 2.2uF (Parts #: EA22501610) Approved by H.TAMURAWritten by K.ONO WQ-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

13、modification mentioned below (Page 5 to 6). Remove R543/R544/R545/R546/R547 and C505 Replace C528 (7pcs) 4.7uF to 2.2uF (Parts # : EA22501610) Replace R582 (7pcs) 470k ohm to 68k ohm (Parts #: NN05683610) Remove R549 (6pcs). Replace R549 (470k ohm) to 100k ohm (Parts #: GD05104160) Add 100k ohm resi

14、ster (Parts #: NN05104610) between Corrector and Emitter of the Q508/Q509/Q510/Q511/Q512/Q513/Q514 (7pcs). Version3 P.C.B Approved by H.TAMURAWritten by K.ONO WQ-19 2 817/additional rule3 (1st Issue 2003-03-19) MZ02-032 Page 6/6 Replace/change the condenser C502 (7pcs) 100pF to the resister 100k ohm

15、 (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,SR6200,SR7200 Page:1 / 1REF.NBR:MZ02-027 Circulation:Application: Subject: Int.ref: PHENOMENON When changes from the dark screen to the light screen momentarily, b

16、ecomes video synchronization problem. SOLUTION 1. Electrolytic capacitor C846(1uF/50V) is changed to 0.33uF/50V on the S-VIDEO CIRCUIT BOARD. Page 37 of 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 o

17、n the VIDEO CIRCUIT BOARD. Page 38 of the Service manual for SR5200/SR6200. Page 36 of the Service manual for SR7200. NECESSARY PART 1. POS.NO C846 EA33405010(0.33uF/50V) 2. POS.NO C846M EA33405010(0.33uF/50V) REMARKS 1) The countermeasure apply to this claim only. 2) This improvement has been done

18、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/U1B) the serial number MZ030202000001and later. (SR7200/U1B) the serial number MZ020208000001 and later. (SR7200/N1B) the serial number MZ0

19、30206000001 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 following serial number is excluded.) the serial number from MZ020149003161 to MZ020149004040. (SR5200/K2G) the serial number from MZ020150

20、004271 to MZ020150005600. (SR5200/K2G) the serial number from MZ020150002446 to MZ020150002696. (SR6200/N2G) SERVICE BULLETIN Video synchronization problem. x for information customer complaint in case of service mandatory . See Below Approved by S.NAGAO Written by WQ-19 2 817/additional rule 3 (1st

21、 Issue 2003-03-19) Date:15-May.-2003Model:SR5200,SR6200,SR7200 Page:1 / 1REF.NBR:MZ02-039 Circulation:Application: Subject: Int.ref: PHENOMENON The heat conductivity of OKABE sheet between a Heat Sink and Transistors is a little low so that efficiency of heat radiation is low. SOLUTION Replace OKABE

22、 SHEET to MICA SHEET of between a Heat Sink and Transistors Attention: When a Sheet is replaced, silicone grease is applied on both sides of the Sheet. Silicone grease is YG6260 (Toshiba silicone) or the equivalent. NECESSARY PART 320W120010 ( SR5200 POWER TR MICA SHEET) REMARKS The countermeasure a

23、pply to this claim only. This improvement has been done in the production after the serial numbers below. SR5200/N2B : MZ020147004501 and after SR5200/N2G : MZ020147003986 and after SR5200/U2B : MZ020149004611 and after SR5200/K2G : MZ020149003041 and after SR6200/N2B : MZ020146002976 and after SR62

24、00/N2G : MZ020146002076 and after SR6200/U2B : MZ020149004311 and after SR6200/K2G : MZ020147001346 and after SR7200/N2B : MZ010148002426 and after SR7200/N2G : MZ010148002781 and after SR7200/U2B : MZ010148008211 and after SR7200/K2G : MZ010148000481 and after SERVICE BULLETIN The damage of the pow

25、er transistor x for information customer complaint in case of service mandatory . See Below Approved by M.KIMURA Written by S.NAGAO AQ-19 2 817/additional rule 3 (first edition2002-03-12) Date:22-Aug-2002Model:SR5200,SR6200,SR7200 Page:1 of 1REF.NBR:MZ02-016 Circulation:Application: Subject: Int.ref

26、: PHENOMENON When the SET is connected with the DVD Player (DV4200,DV6200,VC5200), No sound is out put when AUDIO signal is changed from AC-3 to PCM. ( It may occur by the combination.) CAUSE The microprocessor of SR5200/6200/7200 cant recognize the voice switching signal of the DVD Player. SOLUTION

27、 Replace MICRO PROCESSOR(OPT) IC107 on the MAIN CIRCUIT BOARD. NECESSARY PART POS.NO IC107 *HU100600R (CXP7400P100-1 QFP 100 0 FACTORY PART NO. J020740010100) REMARKS The countermeasure apply to this claim only. It isnt applicable to the mass production due to the production completion. SERVICE BULL

28、ETIN The problem that No sound is out put when AUDIO signal is changed from AC-3 to PCM. x for information customer complaint in case of service mandatory . See Below Approved by H. TamuraWritten by H. Nakamura Date: 27-Sep-01Model:SR5200/6200/7200 Page:1/2REF.NBMZ01-016 SERVICE BULLETIN Subject: Ci

29、rculation:Application: The noise (stripes) occur on the picture. x for information customer complaint in case of service mandatory . Refer to following. Int.ref PHENOMENON When a output connect with the monitor via the S-VIDEO terminal, noise(stripes) occur at the picture. CAUSE The clock from the O

30、SD circuit, it caused interference to VIDEO-AMP circuit. SOLUTION It 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.01). 2) The jumper wire(J841) is deleted and a cap

31、acitor(C840A 47uF/16V: EA47601620 9965 000 06289) is added to same position (refer to PIC.02). 3) The chip resistor(R838) is changed into 12kohm one(NN05123610 4822 051 30123) from the present 3.3kohm one. 4) The chip resistor(R835) is changed into 15kohm one(NN05153610 4822 051 30153) from the pres

32、ent 68kohm one. REQUIRED PARTS MJI 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) APPLICATION xxxx: are week code, do not c

33、are. SR5200/U1B, /U2B: from MZ00 xxxx000001until MZ00 xxxx001400 SR6200/U1B, /U2B: from MZ00 xxxx000001until MZ00 xxxx001500 (except: MZ00 xxxx000901 - 001200) SR7200/U1B, /U2B: from MZ00 xxxx000001until MZ00 xxxx002000 SR5200/N1B, /N2B: from MZ00 xxxx000001until MZ00 xxxx002390 SR5200/N1G, /N2G: fr

34、om MZ00 xxxx000001until MZ00 xxxx002748 (except: MZ00 xxxx002486 - 002632) SR6200/N1B, /N2B: from MZ00 xxxx000001until MZ00 xxxx001250 SR6200/N1G, /N2G: from MZ00 xxxx000001until MZ00 xxxx000612 SR7200/N1B, /N2B: from MZ00 xxxx000001until MZ00 xxxx000875 SR7200/N1G, /N2G: from MZ00 xxxx000001until M

35、Z00 xxxx000800 Approved by H. TamuraWritten by H. Nakamura C810A (100pF: DK16101300 4822 122 33195) PIC.01 C840A (47uF/16V:EA47601620 9965 000 06289) PIC.02 Approved by H.TAMURAWritten by K.ONO WQ-19 2 817/additional rule3 (1st Issue 2003-03-19) Date:15-May-2003Model SR5200/6200/7200 Page:1/1REF.NBR

36、:MZ03-011 Circulation:Application: Subject: Int.ref: PHENOMENON Low frequency level (approx. below 90Hz) of the front speakers will be reduced when the Sub woofer set to ON mode. It will occur with CS5.1 mode and Dolby Prologic mode only. SOLUTION Replace the MPU (IC107) to the new one (Parts No. *H

37、U100600R). REMARKS This solution has already been applied in the production after the week code number as below and later. SR5200/N1B,N1G : MZxxx202xxxxxx and after SR5200/U1B : MZxxx202xxxxxx and after SR5200/K1G : MZxxx211xxxxxx and after SR6200/N1B,N1G : MZxxx202xxxxxx and after SR6200/U1B : MZxx

38、x202xxxxxx and after SR6200/K1G : MZxxx210 xxxxxx and after SR7200/N1B : MZxxx208xxxxxx and after SR7200/N1G : MZxxx206xxxxxx and after SR7200/U1B : MZxxx202xxxxxx and after SR7200/K1G : MZxxx212xxxxxx and after The week code number is printed in the serial number label on the rear panel. SERVICE BULLETIN Low frequency level will be reduced a little x for information customer complaint in case of service mandatory . See below