Marantz-SR7000-avr-sm维修电路原理图.pdf

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1、AV Surround Receiver SR7000 / SR8000 320J855010 MIT 3120 785 22280 First Issue 2000.02 Service Manual SR7000 /K1G, /N1G, /U1G /K1B, /N1B, /U1B SR8000 /K1G, /S1G, /U1B R SR7000/SR8000SR7000/SR8000 Please use this service manual with referring to the user guide ( D.F.U. ) without fail. TABLE OF CONTEN

2、TS SECTIONPAGE 1. TECHNICAL SPECIFICATIONS . 1 2. WIRING DIAGRAM . 3 3. BLOCK DIAGRAM. 5 4. SCHEMATIC DIAGRAM. 7 5. PARTS LOCATION . 31 6. IC DATA . 47 7. EXPLODED VIEW AND PARTS LIST. 53 8. SERVICE PROGRAM . 56 9. ELECTRICAL ADJUSTMENTS . 58 10. ALIGNMENT PROCEDURES . 59 11. TROUBLE SHOOTING . 61 1

3、2. TECHNICAL DESCRIPTION FOR DECODER . 64 13. ELECTRICAL PARTS LIST . 65 DIGITAL DOLBY LFE LS PEAK SRS RCL TAPETUNERDSS/VCR2 6ch INPUTMULTI CDR/MD A/DS-DIRECT VCR1 CLEAR STANDBY DOWN SLEEP S-VIDEOVIDEOLAUDIOR AUX INPUT DISPLAY OFFMUTE VOLUMESURROUND UP POWER ON/STANDBY PHONES AV SURROUND RECEIVER SR

4、7000 AUXTVDVDLD MEMORYMODE TUNING/PRESET F/P CD SURROUND D I G I T A L DIGITAL DOLBY LFE LS PEAK SRS RCL TAPETUNERDSS/VCR2 6ch INPUTMULTI CDR/MD A/DS-DIRECT VCR1 CLEAR STANDBY DOWN SLEEP S-VIDEOVIDEOLAUDIOR AUX INPUT DISPLAY OFFMUTE VOLUMESURROUND UP POWER ON/STANDBY PHONES AV SURROUND RECEIVER SR80

5、00 AUXTVDVDLD MEMORYMODE TUNING/PRESET F/P CD SURROUND D I G I T A L SR7000 SR8000 RadioFans.CN 收音机爱好者资料库 MARANTZ DESIGN AND SERVICE Using superior design and selected high grade components, MARANTZ company has created the ultimate in stereo sound. Only original MARANTZ parts can insure that your M

6、ARANTZ product will continue to perform to the specifications for which it is famous. Parts for your MARANTZ equipment are generally available to our National Marantz Subsidiary or Agent. ORDERING PARTS : Parts can be ordered either by mail or by Fax. In both cases, the correct part number has to be

7、 specified. The following information must be supplied to eliminate delays in processing your order : 1. Complete address 2. Complete part numbers and quantities required 3. Description of parts 4. Model number for which part is required 5. Way of shipment 6. Signature : any order form or Fax. must

8、be signed, otherwise such part order will be considered as null and void. SHOCK, FIRE HAZARD SERVICE TEST : CAUTION : After servicing this appliance and prior to returning to customer, measure the resistance between either primary AC cord connector pins ( with unit NOT connected to AC mains and its

9、Power switch ON ), and the face or Front Panel of product and controls and chassis bottom. Any resistance measurement less than 1 Megohms should cause unit to be repaired or corrected before AC power is applied, and verified before it is return to the user/customer. Ref. UL Standard No. 1492. In cas

10、e of difficulties, do not hesitate to contact the Technical Department at above mentioned address. 991207MIT USAUSA MARANTZ AMERICA, INCMARANTZ AMERICA, INC. 440 MEDINAH ROAD ROSELLE, ILLINOIS 60172 USA PHONE : 630 - 307 - 3100 FAX : 630 - 307 - 2687 BRAZILBRAZIL PHILIP DA AMAZONIA IND. ELET. ITDAPH

11、ILIP DA AMAZONIA IND. ELET. ITDA CENTRO DE INFORMACOES AO CEP 04698-970 SAO PAULO, SP, BRAZIL PHONE : 0800 - 123123(Discagem Direta Gratuita) FAX : +55 11 534. 8988 JAPANJAPAN Technical MARANTZ JAPAN, INC.MARANTZ JAPAN, INC. 35- 1, 7- CHOME, SAGAMIONO SAGAMIHARA - SHI, KANAGAWA JAPAN 228-8505 PHONE

12、: +81 42 748 1013 FAX : +81 42 741 9190 EUROPE / TRADING EUROPE / TRADING MARANTZ EUROPE B.V.MARANTZ EUROPE B.V. P.O.BOX 80002, BUILDING SFF2 5600 JB EINDHOVEN THE NETHERLANDS PHONE : +31 - 40 - 2732241 FAX : +31 - 40 - 2735578 TECHNICAL AUDIO GROUP PTY, LTDTECHNICAL AUDIO GROUP PTY, LTD 558 DARLING

13、 STREET, BALMAIN, NSW 2041, AUSTRALIA PHONE : 61 - 2 - 9810 - 5300 FAX : 61 - 2 - 9810 - 5355 AUSTRALIAAUSTRALIA JAMO AUSTRALIA PTY LTDJAMO AUSTRALIA PTY LTD 1 EXPO COURT, P.O. BOX 350 MT. WAVERLEY VIC 3149 AUSTRALIA PHONE : +61 - 3 - 9543 - 1522 FAX : +61 - 3 - 9543 - 3677 THAILANDTHAILAND MRZ STAN

14、DARD CO.,LTDMRZ STANDARD CO.,LTD 746 - 754 MAHACHAI ROAD., WANGBURAPAPIROM, PHRANAKORN, BANGKOK, 10200 THAILAND PHONE : +66 - 2 - 222 9181 FAX : +66 - 2 - 224 6795 TAIWANTAIWAN PAI- YUING CO., LTD.PAI- YUING CO., LTD. 6 TH FL NO, 148 SUNG KIANG ROAD, TAIPEI, 10429, TAIWAN R.O.C. PHONE : +886 - 2 - 2

15、5221304 FAX : +886 - 2 - 25630415 MALAYSIAMALAYSIA WO KEE HONG ELECTRONICS SDN. BHD.WO KEE HONG ELECTRONICS SDN. BHD. SUITE 8.1, LEVEL 8, MENARA GENESIS, NO. 33, JALAN SULTAN ISMAIL, 50250 KUALA LUMPUR, MALAYSIA PHONE : +60 3 - 2457677 FAX : +60 3 - 2458180 AMERICAS AMERICAS SUPERSCOPE TECHNOLOGIES,

16、 INC.SUPERSCOPE TECHNOLOGIES, INC. MARANTZ PROFESSIONAL PRODUCTS 2640 WHITE OAK CIRCLE, SUITE A AURORA, ILLINOIS 60504 USA PHONE : 630 - 820 - 4800 FAX : 630 - 820 - 8103 KOREAKOREA MK ENTERPRISES LTD.MK ENTERPRISES LTD. ROOM 604/605, ELECTRO-OFFICETEL, 16-58, 3GA, HANGANG-RO, YONGSAN-KU, SEOUL KORE

17、A PHONE : +822 - 3232 - 155 FAX : +822 - 3232 - 154 SINGAPORESINGAPORE WO KEE HONG (S) PTE LTDWO KEE HONG (S) PTE LTD WO KEE HONG CENTRE NO.23, LORONG 8, TOA PAYOH SINGAPORE 319257 PHONE : +65 2544555 FAX : +65 2502213 WILDASH AUDIO SYSTEMS NZWILDASH AUDIO SYSTEMS NZ 14 MALVERN ROAD MT ALBERT AUCKLA

18、ND NEW ZEALAND PHONE : +64 - 9 - 8451958 FAX : +64 - 9 - 8463554 NEW ZEALANDNEW ZEALAND CANADACANADA LENBROOK INDUSTRIES LIMITEDLENBROOK INDUSTRIES LIMITED 633 GRANITE COURT, PICKERING, ONTARIO L1W 3K1 CANADA PHONE : 905 - 831 - 6333 FAX : 905 - 831 - 6936 AUSTRALIAAUSTRALIA RadioFans.CN 收音机爱好者资料库

19、1 1. TECHNICAL SPECIFICATIONS FM TUNER SECTION Frequency Range . 87.5 - 108.0 MHz Usable Sensitivity . IHF 1.8 V/16.4 dBf Signal to Noise Ratio .Mono/Stereo 76/72 dB Distortion .Mono/Stereo 0.2 / 0.3 % Stereo Separation. 1 kHz 45 dB Alternate Channel Selectivity . 400 kHz 60 dB (U version) 300 kHz 6

20、0 dB (K, N, S version) Image Rejection . 98 MHz 70dB Tuner Output Level . 1 kHz, 75 kHz Dev 800 mV (U version) 1 kHz, 40 kHz Dev 800 mV (K, N, S version) AM TUNER SECTION Frequency Range .AM : 520 - 1710 kHz (U version) AM : 531 - 1602 or 520 - 1710 kHz (K version) AM : 531 - 1602 kHz (S version) LW

21、 : 152-282 kHz / MW : 531 - 1602 kHz (N version) Signal to Noise Ratio . 50 dB Usable Sensitivity .Loop 400 V Distortion . 400 Hz, 30% Mod. 0.5% Selectivity . 20 kHz 70 dB (U version) 18 kHz 70 dB (K, N, S version) AUDIO SECTION Rated Power (SR7000) Stereo Mode FRONT (20 Hz - 20 kHz).8 ohms 100W / C

22、h (2ch driven) Center (40 Hz - 20 kHz) . 8 ohms 100W / Ch Surround . 8 ohms 100W / Ch Rated Power (SR8000) Stereo Mode FRONT (20 Hz - 20 kHz).8 ohms 105W / Ch (2ch driven) Center (40 Hz - 20 kHz) . 8 ohms 105W / Ch Surround . 8 ohms 105W / Ch THD Front (20 Hz - 20 kHz) . 8 ohms 0.05% Input Sensitivi

23、ty/Impedance Linear . 350mV/47 kohms Signal to Noise Rate ( IHF A ) Linear . 105 dB Dolby Surround Adjacent Channels Separation . 55 dB VIDEO Television Format . NTSC (U version) PAL/NTSC (K, N, S version) Input Level/Impedance . 1 Vp-p/75 ohms Output Level/Impedance . 1 Vp-p/75 ohms Video Frequency

24、 Response . 5 Hz to 8 MHz ( - 1 dB) S/N . 60 dB GENERAL Power Requirement . AC 120V 60 Hz (U version) AC 220 50/60 Hz (K version) AC 230V 50 Hz (N, S version) Power Consumption . 360W Dimension ( MAX ) Width .17-1/4 inches (440 mm) Width (SR8000 U only). 18 inches (458 mm) Height .6-1/4 inches (159

25、mm) Depth.18-1/8 inches (460 mm) Weight (SR7000) . 33.1 lds. (14.5 kg) Weight (SR8000) . 32.0 lds. (15 kg) ACCESSORIES Remote Control Unit RC7000SR (SR7000).1 Remote Control Unit RC-18SR (SR8000) .1 Dolby Digital(AC-3) SECTION Output Level ( Master Volume is set 0dB ) Front L/R, CENTER, SURROUND L/R

26、 1 KHz, 0 dB FS INPUT . 1.1V SUBWOOFER 40 Hz, 0 dB FS INPUT . 3.8V Frequency Response Front L/R, CENTER, SURROUND L/R ( LARGE ) 20 Hz - 20 KHz .-1dB Total Harmonic Distortion Front L/R, CENTER, SURROUND L/R ( 1 KHz ). 0.01% or less SUBWOOFER ( 40 Hz) . 0.07% or less Signal to Noise Ratio ( IHF-A ).

27、96 dB Channel Separation ( 1 KHz ) . 70 dB Specifications subject to change without prior notice. RadioFans.CN 收音机爱好者资料库 2 Remark : Bass signal output from Sub Woofer terminal for SR7000/SR8000 SPK setup SubWoofer Output SubDolby DigitalDolbyHall , MatrixStereoSource Woofer FrontCenterRear DTS (Pro

28、 Logic)Movie, 5StereoDirect YesLargeLargeLargeLFEnoneL+RL+RLFE SmallLFE+LS+RSnoneL+RL+RLFE NoneLFEnoneL+RL+RLFE SmallLargeLFE+CCL+RL+RLFE SmallLFE+C+LS+RSCL+RL+RLFE NoneLFE+CnoneL+RL+RLFE NoneLargeLFEnoneL+RL+RLFE SmallLFE+LS+RSnoneL+RL+RLFE NoneLFEnoneL+RL+RLFE SmallLargeLargeLFE+L+RL+RL+RL+RLFE Sm

29、allLFE+L+R+LS+RSL+RL+RL+RLFE NoneLFE+L+RL+RL+RL+RLFE SmallLargeLFE+L+R+CL+R+CL+RL+RLFE SmallLFE+L+R+C+LS+RSL+R+CL+RL+RLFE NoneLFE+L+R+CL+R+CL+RL+RLFE NoneLargeLFE+L+RL+RL+RL+RLFE SmallLFE+LS+RSL+RL+RL+RLFE NoneLFE+L+RL+RL+RL+RLFE NoneLargeLargeLargenonenonenonenoneLFE SmallnonenonenonenoneLFE Noneno

30、nenonenonenoneLFE SmallLargenonenonenonenoneLFE SmallnonenonenonenoneLFE NonenonenonenonenoneLFE NoneLargenonenonenonenoneLFE SmallnonenonenonenoneLFE NonenonenonenonenoneLFE SmallLargeLargeProhibitedProhibitedProhibitedProhibitedProhibited SmallProhibitedProhibitedProhibitedProhibitedProhibited Non

31、eProhibitedProhibitedProhibitedProhibitedProhibited SmallLargeProhibitedProhibitedProhibitedProhibitedProhibited SmallProhibitedProhibitedProhibitedProhibitedProhibited NoneProhibitedProhibitedProhibitedProhibitedProhibited NoneLargeProhibitedProhibitedProhibitedProhibitedProhibited SmallProhibitedP

32、rohibitedProhibitedProhibitedProhibited NoneProhibitedProhibitedProhibitedProhibitedProhibited Sub woofer output is not active while all surround modes. Please refer to the following table. RadioFans.CN 收音机爱好者资料库 34 2. WIRING DIAGRAM JX06JL06JQ06 JL72 J702 J703 J704 J701 JW02 JU01 JU02 JS03JQ04JX04

33、JX05 JU04 JU81 JU03 JN64 JN01 JB03 JB04JB02 JY24 JY23 JY22 JN02 JY01 JY17 JY15JY16JY14JY13JY12JY25 JY18 JY19 JY11JY09JY10JY07JY08JY05 JS04JQ05 JY06JY03JY04JY02 JY21 JG04JG03JG02 JL04JL05 J691JD01 J105J901 WY51 JN66 JN67 JN68 J001 WB01 JB01 JB71 JB61 WB04 B2P3-VH B2P3-VH 2P-VH 12312 AUX C AUX Y GND A

34、UX V GND 12345 AUX L GND AUX R +15V -15V AUX L 12345678910 GND AUX R +15V -15V AUX V GND AUX Y AUX C GND 1 2 3 4C OUT NC L OUT 1 2 R OUT LS OUT RS OUT 1 2 3 -B +B GND 1 2 3 4 5 6 7 8 9 10 RS IN L IN C IN R IN LS IN C DET GND GND GND 1 2 3 4 1 2 1 2 3 1 2 3 4 5 6 7 8 9 10 1 2 3 4 HP SW L IN GND R IN

35、1 2 3 4 12345678 REQ RST ACK DI0 DO0 CLK0 ATT SMUTE2 1234567 F F VKK 5VL P-DOWN POWER GND 123456712312 123 1 2 3 4 5 1 2 3 4 5 12345678 123 1 2 3 4 5 1 2 3 MQ 8PMQ 5PMQ 10PMQ 12PMQ 12PMQ 8PMQ 12PMQ 7PMQ 12PMQ 12P TAC 20P JS 7P/XH 7P MQ 12PMQ 12PMQ 12PMQ 12PMQ 5P POWER TRANSF MAIN VH 2P3 L= U N,K,S N

36、C NCNC 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 PH 2P PH 5P PH 3P WL01 VH 4P VH 2P VH 3P PH 10P PH 4P SUMI CARD 33P PH 8P EH 3P VH 5P 1234567812345678 PH 8P WN01

37、 WY05 W704 W703 W701 W702 WY51 WY03 WB03 WY02 WY01 12 12 K,N,S ONLY WB02 WN01 P604 PL74PS04 P104PS54 PL04PL54 P904 PU04 PU44 PG04 P704 P754 PW04 PY04 PB74 PB04/PB54 * * * REMARK : The extension cable kit ( Part No. *SR7000JIG, 996500003435 ) is necessity for servicing of PCBs. (P904, PL54, PL04, PS5

38、4, PS04, P104, PG04, P604 ) RadioFans.CN 收音机爱好者资料库 3. BLOCK DIAGRAM 56 6dB CONT 6dB 6dB DRV DRV DRV NJM2296 6dB CONT 6dB 6dB DRV DRV DRV NJM2296 6dB CONT 6dB 6dB DRV DRV DRV NJM2296 LPF OSD LC74781 MM1140 Buff DRV NJM2244 OSD LC74781 6dB NJM2267 (1/2) 6dB NJM2267 (2/2) NJM2235 Buff OSD LC74781 DRV Buff NJM2234 DRV DRV DRV DRV NJM2264 TV LD DVD VCR1 VCR2 AUX TV LD DVD VCR1 VCR2 AUX V1/OUT V1/OUT V2/OUT V2/OUT Y C TV TV LD LD DVD DVD VCR1 VCR1 VCR2 VCR2 AUX AUX FM AM HEADPHONE PROTECTOR DRIVE MAIN AMP FM FRONT END IF