Marantz-SR8000-avr-sm 维修电路原理图.pdf
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1、AV Surround ReceiverSR7000 / SR8000320J855010 MIT3120 785 22280First Issue 2000.02ServiceManualSR7000 /K1G, /N1G, /U1G/K1B, /N1B, /U1BSR8000 /K1G, /S1G, /U1BRSR7000/SR8000SR7000/SR8000Please use this service manual with referring to the user guide ( D.F.U. ) without fail.TABLE OF CONTENTSSECTIONPAGE
2、 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 . 5810. ALIGNMENT PROCEDURES . 5911. TROUBLE SHOOTING . 6112. TECHNICAL DESC
3、RIPTION FOR DECODER . 6413. ELECTRICAL PARTS LIST . 65DIGITALDOLBYLFELSPEAKSRSRCLTAPETUNERDSS/VCR26ch INPUTMULTICDR/MDA/DS-DIRECTVCR1CLEARSTANDBYDOWNSLEEPS-VIDEOVIDEOLAUDIORAUX INPUTDISPLAY OFFMUTEVOLUMESURROUNDUPPOWER ON/STANDBYPHONESAV SURROUND RECEIVER SR7000AUXTVDVDLDMEMORYMODETUNING/PRESETF/PCD
4、SURROUNDD I G I T A LDIGITALDOLBYLFELSPEAKSRSRCLTAPETUNERDSS/VCR26ch INPUTMULTICDR/MDA/DS-DIRECTVCR1CLEARSTANDBYDOWNSLEEPS-VIDEOVIDEOLAUDIORAUX INPUTDISPLAY OFFMUTEVOLUMESURROUNDUPPOWER ON/STANDBYPHONESAV SURROUND RECEIVER SR8000AUXTVDVDLDMEMORYMODETUNING/PRESETF/PCDSURROUNDD I G I T A LSR7000SR8000
5、RadioFans.CN 收音机爱 好者资料库MARANTZ DESIGN AND SERVICEUsing superior design and selected high grade components, MARANTZ company has created the ultimate in stereo sound.Only original MARANTZ parts can insure that your MARANTZ product will continue to perform to the specifications for whichit is famous.Pa
6、rts 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 specified.The following information must be supplied to eliminate delays in processing yo
7、ur order :1. Complete address2. Complete part numbers and quantities required3. Description of parts4. Model number for which part is required5. Way of shipment6. Signature : any order form or Fax. must be signed, otherwise such part order will be considered as null and void.SHOCK, FIRE HAZARD SERVI
8、CE TEST :CAUTION : After servicing this appliance and prior to returning to customer, measure the resistance between either primary ACcord connector pins ( with unit NOT connected to AC mains and its Power switch ON ), and the face or Front Panel of product andcontrols and chassis bottom.Any resista
9、nce measurement less than 1 Megohms should cause unit to be repaired or corrected before AC power is applied, andverified before it is return to the user/customer.Ref. UL Standard No. 1492.In case of difficulties, do not hesitate to contact the TechnicalDepartment at above mentioned address.991207MI
10、TUSAUSAMARANTZ AMERICA, INCMARANTZ AMERICA, INC.440 MEDINAH ROADROSELLE, ILLINOIS 60172USAPHONE : 630 - 307 - 3100FAX : 630 - 307 - 2687 BRAZILBRAZILPHILIP DA AMAZONIA IND. ELET. ITDAPHILIP DA AMAZONIA IND. ELET. ITDACENTRO DE INFORMACOES AOCEP 04698-970SAO PAULO, SP, BRAZILPHONE : 0800 - 123123(Dis
11、cagem Direta Gratuita)FAX : +55 11 534. 8988JAPANJAPAN Technical MARANTZ JAPAN, INC.MARANTZ JAPAN, INC.35- 1, 7- CHOME, SAGAMIONOSAGAMIHARA - SHI, KANAGAWAJAPAN 228-8505PHONE : +81 42 748 1013FAX : +81 42 741 9190EUROPE / TRADING EUROPE / TRADING MARANTZ EUROPE B.V.MARANTZ EUROPE B.V.P.O.BOX 80002,
12、BUILDING SFF25600 JB EINDHOVENTHE NETHERLANDSPHONE : +31 - 40 - 2732241FAX : +31 - 40 - 2735578TECHNICAL AUDIO GROUP PTY, LTDTECHNICAL AUDIO GROUP PTY, LTD558 DARLING STREET, BALMAIN, NSW 2041,AUSTRALIAPHONE : 61 - 2 - 9810 - 5300FAX : 61 - 2 - 9810 - 5355AUSTRALIAAUSTRALIAJAMO AUSTRALIA PTY LTDJAMO
13、 AUSTRALIA PTY LTD1 EXPO COURT, P.O. BOX 350 MT. WAVERLEY VIC 3149AUSTRALIAPHONE : +61 - 3 - 9543 - 1522FAX : +61 - 3 - 9543 - 3677THAILANDTHAILANDMRZ STANDARD CO.,LTDMRZ STANDARD CO.,LTD746 - 754 MAHACHAI ROAD.,WANGBURAPAPIROM, PHRANAKORN, BANGKOK, 10200 THAILANDPHONE : +66 - 2 - 222 9181FAX : +66
14、- 2 - 224 6795TAIWANTAIWANPAI- YUING CO., LTD.PAI- YUING CO., LTD.6 TH FL NO, 148 SUNG KIANG ROAD, TAIPEI, 10429, TAIWAN R.O.C.PHONE : +886 - 2 - 25221304FAX : +886 - 2 - 25630415MALAYSIAMALAYSIAWO KEE HONG ELECTRONICS SDN. BHD.WO KEE HONG ELECTRONICS SDN. BHD.SUITE 8.1, LEVEL 8, MENARA GENESIS,NO.
15、33, JALAN SULTAN ISMAIL,50250 KUALA LUMPUR, MALAYSIA PHONE : +60 3 - 2457677 FAX : +60 3 - 2458180 AMERICAS AMERICASSUPERSCOPE TECHNOLOGIES, INC.SUPERSCOPE TECHNOLOGIES, INC.MARANTZ PROFESSIONAL PRODUCTS2640 WHITE OAK CIRCLE, SUITE AAURORA, ILLINOIS 60504 USAPHONE : 630 - 820 - 4800FAX : 630 - 820 -
16、 8103KOREAKOREAMK ENTERPRISES LTD.MK ENTERPRISES LTD.ROOM 604/605, ELECTRO-OFFICETEL, 16-58, 3GA, HANGANG-RO, YONGSAN-KU, SEOULKOREAPHONE : +822 - 3232 - 155FAX : +822 - 3232 - 154SINGAPORESINGAPOREWO KEE HONG (S) PTE LTDWO KEE HONG (S) PTE LTDWO KEE HONG CENTRE NO.23, LORONG 8, TOA PAYOH SINGAPORE
17、319257PHONE : +65 2544555FAX : +65 2502213WILDASH AUDIO SYSTEMS NZWILDASH AUDIO SYSTEMS NZ14 MALVERN ROAD MT ALBERTAUCKLAND NEW ZEALANDPHONE : +64 - 9 - 8451958FAX : +64 - 9 - 8463554NEW ZEALANDNEW ZEALANDCANADACANADALENBROOK INDUSTRIES LIMITEDLENBROOK INDUSTRIES LIMITED633 GRANITE COURT, PICKERING,
18、 ONTARIO L1W 3K1CANADAPHONE : 905 - 831 - 6333FAX : 905 - 831 - 6936AUSTRALIAAUSTRALIARadioFans.CN 收音机爱 好者资料库11. TECHNICAL SPECIFICATIONSFM TUNER SECTIONFrequency Range . 87.5 - 108.0 MHzUsable Sensitivity . IHF 1.8 V/16.4 dBfSignal to Noise Ratio .Mono/Stereo 76/72 dBDistortion .Mono/Stereo 0.2 / 0
19、.3 %Stereo Separation. 1 kHz 45 dBAlternate Channel Selectivity . 400 kHz 60 dB (U version)300 kHz 60 dB (K, N, S version)Image Rejection . 98 MHz 70dBTuner Output Level . 1 kHz, 75 kHz Dev 800 mV (U version)1 kHz, 40 kHz Dev 800 mV (K, N, S version)AM TUNER SECTIONFrequency Range .AM : 520 - 1710 k
20、Hz (U version)AM : 531 - 1602 or 520 - 1710 kHz (K version)AM : 531 - 1602 kHz (S version)LW : 152-282 kHz / MW : 531 - 1602 kHz (N version)Signal to Noise Ratio . 50 dBUsable Sensitivity .Loop 400 VDistortion . 400 Hz, 30% Mod. 0.5%Selectivity . 20 kHz 70 dB (U version)18 kHz 70 dB (K, N, S version
21、)AUDIO SECTIONRated Power (SR7000) Stereo Mode FRONT (20 Hz - 20 kHz).8 ohms 100W / Ch (2ch driven) Center (40 Hz - 20 kHz) . 8 ohms 100W / Ch Surround . 8 ohms 100W / ChRated Power (SR8000) Stereo Mode FRONT (20 Hz - 20 kHz).8 ohms 105W / Ch (2ch driven) Center (40 Hz - 20 kHz) . 8 ohms 105W / Ch S
22、urround . 8 ohms 105W / ChTHD Front (20 Hz - 20 kHz) . 8 ohms 0.05%Input Sensitivity/Impedance Linear . 350mV/47 kohmsSignal to Noise Rate ( IHF A ) Linear . 105 dBDolby Surround Adjacent Channels Separation . 55 dBVIDEOTelevision Format . NTSC (U version)PAL/NTSC (K, N, S version)Input Level/Impeda
23、nce . 1 Vp-p/75 ohmsOutput Level/Impedance . 1 Vp-p/75 ohmsVideo Frequency Response . 5 Hz to 8 MHz ( - 1 dB)S/N . 60 dBGENERALPower 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)
24、Width (SR8000 U only). 18 inches (458 mm) Height .6-1/4 inches (159 mm) Depth.18-1/8 inches (460 mm) Weight (SR7000) . 33.1 lds. (14.5 kg) Weight (SR8000) . 32.0 lds. (15 kg)ACCESSORIESRemote Control Unit RC7000SR (SR7000).1Remote Control Unit RC-18SR (SR8000) .1Dolby Digital(AC-3) SECTIONOutput Lev
25、el ( Master Volume is set 0dB )Front L/R, CENTER, SURROUND L/R 1 KHz, 0 dB FS INPUT . 1.1VSUBWOOFER 40 Hz, 0 dB FS INPUT . 3.8VFrequency ResponseFront L/R, CENTER, SURROUND L/R ( LARGE ) 20 Hz - 20 KHz .-1dBTotal Harmonic DistortionFront L/R, CENTER, SURROUND L/R ( 1 KHz ). 0.01% or lessSUBWOOFER (
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