Marantz-SR7200-avr-sm 电路图 维修手册.pdf

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1、AV Surround Receiver SR7200 322W855010 MIT 3120 785 22810 First Issue 2001.12 Service Manual SR7200 /K2G, /N2G, /N2B, /U2B R SR7200SR7200 Please use this service manual with referring to the user guide ( D.F.U. ) without fail. TABLE OF CONTENTS 1. TECHNICAL SPECIFICATIONS . 1 2. WIRING DIAGRAM . 3 3

2、. BLOCK DIAGRAM. 5 4. SCHEMATIC DIAGRAM. 7 5. PARTS LOCATION . 25 6. IC DATA . 38 7. EXPLODED VIEW AND PARTS LIST. 41 8. ALIGNMENT PROCEDURES . 45 9. ELECTRICAL PARTS LIST . 48 AV SURROUND RECEIVER SR7200 UP SURROUNDVOLUME DOWN DSS/VCR2AUXVCR1DVDTVCDCDR/MDTAPETUNER MEMORYTUNING/PRESETMODEF/PCLEAR NI

3、GHT ATT DISPLAY OFF SLEEPS-DIRECTDIMMER MUTE A/D7CH INPUT POWER ON/STNDBYPHONES STANDBY AUX INPUT BSPEAKERSA MULTI ROOM MULTI ROOM S-VIDEOVIDEOLAUDIOR A SLEEP MUTE ANALOG DIGITAL MLP PCM RF AUTOLOCKCIRCLE SURROUND EXMPEGDIRECTMEMORY PRESET SWLFE SRSCSLRTTAPTYAUTOTUNEDDSP SOUNDVIRTUAL 1 2 3 4 5 6DIGI

4、TAL DTS THXRCLCTTPEONRDSSTEREOTAPE 2 MONPRO LOGIC VIDEO SET B DOLBY /K1G, /N1G, /N1B, /U1B 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 tha

5、t your MARANTZ 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 h

6、as to be 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 Fa

7、x. must 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

8、and its 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

9、. In case of difficulties, do not hesitate to contact the Technical Department at above mentioned address. 010620MIT USAUSA MARANTZ AMERICA, INCMARANTZ AMERICA, INC. 1100 MAPLEWOOD DRIVE ITASCA, IL. 60143 USA PHONE : 630 - 741 - 0300 FAX : 630 - 741 - 0301 BRAZILBRAZIL PHILIPS DA AMAZONIA IND. ELET.

10、 ITDAPHILIPS 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 228-850

11、5 PHONE : +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

12、 DARLING STREET, BALMAIN, NSW 2041, AUSTRALIA PHONE : 61 - 2 - 9810 - 5300 FAX : 61 - 2 - 9810 - 5355 CANADACANADA LENBROOK INDUSTRIES LIMITEDLENBROOK INDUSTRIES LIMITED 633 GRANITE COURT, PICKERING, ONTARIO L1W 3K1 CANADA PHONE : 905 - 831 - 6333 FAX : 905 - 831 - 6936 AUSTRALIAAUSTRALIA QualiFi Pt

13、y Ltd,QualiFi Pty Ltd, 24 LIONEL ROAD, MT. WAVERLEY VIC 3149 AUSTRALIA PHONE : +61 - (0)3 - 9543 - 1522 FAX : +61 - (0)3 - 9543 - 3677 NEW ZEALANDNEW ZEALAND WILDASH AUDIO SYSTEMS NZWILDASH AUDIO SYSTEMS NZ 14 MALVERN ROAD MT ALBERT AUCKLAND NEW ZEALAND PHONE : +64 - 9 - 8451958 FAX : +64 - 9 - 8463

14、554 THAILANDTHAILAND MRZ STANDARD 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, TAIWA

15、N R.O.C. PHONE : +886 - 2 - 25221304 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 AMER

16、ICAS SUPERSCOPE TECHNOLOGIES, 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 AUSTRALIA AUSTRALIA KOREAKOREA MK ENTERPRISES LTD.MK ENTERPRISES LTD. ROOM 604/605, ELECTRO-OFFICETE

17、L, 16-58, 3GA, HANGANG-RO, YONGSAN-KU, SEOUL KOREA PHONE : +822 - 3232 - 155 FAX : +822 - 3232 - 154 SINGAPORESINGAPORE WO KEE HONG DISTRIBUTION PTE LTDWO KEE HONG DISTRIBUTION PTE LTD 130 JOO SENG ROAD #03-02 OLIVINE BUILDING SINGAPORE 368357 PHONE : +65 858 5535 / +65 381 8621 FAX : +65 858 6078 R

18、adioFans.CN 收音机爱 好者资料库 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. 300 kHz 60 dB

19、(K,N Version) 400 kHz 60 dB (U Version) Image Rejection. 98 MHz 70 dB Tuner Output Level. 1 kHz, 40 kHz Dev 500 mV (K,N Version) 1 kHz, 75 kHz Dev 800 mV (U Version) AM TUNER SECTION Frequency Range .AM: 520 - 1710 kHz (K Version) LW: 152 - 282 kHz (N Version) MW: 522 - 1611 kHz (N Version) AM: 520

20、- 1710 kHz (U Version) Signal to Noise Ratio . 50 dB Usable Sensitivity .Loop 400 V/m Distortion . 400 Hz, 30 % Mod. 0.5 % Selectivity . 18 kHz 60 dB (K,N Version) 20 kHz 60 dB (U Version) AUDIO SECTION Maximum Power Output (6 ohms / EIAJ) (K Version Only) Front . 160W Center . 160W Surround . 160W

21、Continuous Power Output (8 ohms / 20 Hz - 20 kHz) Front . 110W Center . 110W Surround . 110W THD Front (20 Hz - 20 kHz) .8 ohms 0.05 % Input Sensitivity/Impedance Linear. 340 mV/ 47 kohms Signal to Noise Ratio Linear. 105 dB VIDEO Television Format. NTSC / PAL (K,N Version) NTSC (U Version) Input Le

22、vel/Impedance .1 Vp-p/ 75 ohms Output Level/Impedance.1 Vp-p/ 75 ohms Video Frequency Response . 5 Hz to 8 MHz ( 1 dB) S/N. 60 dB GENERAL Power Requirement .AC 110 - 115 V / AC 220 - 230 V 50 Hz / 60 Hz (K Version) AC 230 V 50 Hz (N Version) AC 120 V 60 Hz (U Version) Power Consumption (STEREO MODE

23、RATED POWER) . 350 W (K,N Version) .4.0 A (U Version) Dimension (MAX) Width .440 mm (17-3/8 inches) Height .164 mm (6-1/2 inches) Depth .425 mm (16-3/4 inches) Weight. 14.9 kg (32.7 lbs) ACCESSORIES Remote Control Unit RC7200SR .1 AA-size batteries .2 FM Feeder Antenna .1 FM Antenna Converter .1 AM

24、Loop Antenna .1 User Guide .1 Registration Card. 1 (N Version) Warranty Card (for USA). 1 (U Version) Warranty Card (for CANADA) . 1 (U Version) Specifications subject to change without prior notice. RadioFans.CN 收音机爱 好者资料库 2 L/R : Front speaker SL/SR : Surround speaker C : Center speaker SC : Surro

25、und center speaker SW : Sub woofer speaker ( ): The indicator blinks Surround Input Signal OutputFluorescent Indicator ModeL/RSL/SRCSCSWInput IndicatorFormat Status NOTES: Dolby Digital (2 ch: Lt/Rt): signal with Dolby Surround flag Speakers are full set. When DOLBY DIGITAL, DTS, PCM or ANALOG is bl

26、inking, the selected surround mode is unavailable for input signal. Select the other appropriate surround mode to playback. No sound outputs from the surround speaker, center speaker and subwoofer if the DVD disc has no surround data. 34 2. WIRING DIAGRAM SR7200 / PS7200 only SR7200 / PS7200 only SR

27、5200 / SR6200 / SR7200 only 3. BLOCK DIAGRAM 56 SR7200 only SR7200 only SR7200 only SR7200 only SR7200 only 78 4. SCHEMATIC DIAGRAM 7020-06075-000-3 910 7020-06140-000-1 1112 POWER SW. with TACT SW. 7020-06076-000-3 7020-06076-004-0 7020-06076-003-0 7020-06076-002-0 1314 CP302I PS7200 only L R 7020-

28、06077-000-1 7020-06077-001-1 7020-06077-003-1 7020-06077-002-1 7020-06077-005 7020-06077-004-1 1516 7020-06076-001-1 1718 7020-06079-000-2 7020-06009-000-17020-06106-001-0 7020-06088-000-1 1920 2122 7020-06078-001-2 7020-06078-001-2 2324 To repair the Tuner circuit board, replace the whole Tuner BD

29、Assy. (Refer to the Parts list) 2526 5. PARTS LOCATION Q112Q119 Q115Q117Q116Q120Q118Q105Q107Q106Q130 Q104IC105IC103IC101IC107Q136 IC104IC102IC108 Q125 Q103Q111 Q101 Q102Q110 Q109 Q108IC106 Q113 Q135 Q134 Q133 Q132 Q131 MAIN Q122 Q128 Q129 Q121 Q123 Q124 Q137 Q126 Q127 2728 Q215R Q208R Q209RQ209L Q20

30、7RQ206RQ205RQ206LQ205L Q203RQ202RQ201R Q204R Q215SR Q208SR Q209SR Q207SR Q206SRQ205SRQ203SR Q202SRQ201SRQ204SR Q215SC Q208SC Q209SC Q207SC Q206SCQ205SCQ203SC Q202SCQ201SCQ204SC Q215C Q208C Q209C Q207C Q206CQ205CQ203C Q202CQ201CQ204C Q215SL Q208SL Q209SL Q207SL Q206SLQ205SLQ203SL Q202SLQ201SL AMP Q20

31、4SL Q215L Q208L Q207L Q203LQ202LQ201L Q204L VOLTAGE SEL. / K ONLY Q714 Q712 MULTI POWER / K ONLY Q711 IC710 Q714 Q712 POWER / N, / U, / F ONLY Q711 IC710 2930 Q301 Q306 Q304 Q305 Q303M FRONT H / PH / P POWER SW POWER SWPOWER SW ST / BY LED MULTICONTROL Q302 PS7200 SR7200 SR7200 / K SR7200 / N SR5200

32、 / K SR5200 / N SR6200 / K SR6200 / N PS5200 / F PS7200 / F SR5200 / U SR6200 / U SR7200 / U PS5200 SR5200 SR6200 Q309 IC301 31 IC402 IC403 IC401 IC404 INPUT 1 Q451L Q452 Q453IC452 Q451R Q458 Q455 INPUT 2 TUNER INPUT PS7200 ONLY Q457 Q454IC451 32 IC501 IC502 IC514 IC505 IC506 IC512 IC509 VOLUME (7CH

33、 INPUT / OUTPUT) IC507 IC508 Q511 Q512IC513Q507 Q506Q508 Q504Q510 Q514 Q513 Q505 Q503 Q502 Q509 Q501 33 IC725IC715IC721IC701 IC719 IC703 DSP IC704IC709IC708 IC717IC714IC702IC718Q711IC720 Q712IC707 IC723IC722IC724 Q712C Q712SC Q712SL Q712SR Q707 Q708IC711IC712IC710 Q703 Q702AFLQ702AFR Q701CQ701SCQ701

34、SLQ701SRQ701SWQ701FLQ701FRIC713 Q704Q712 Q705 34 SPEAKER A SPEAKER B PS7200 / SR7200 ONLY Q901 IC898 COMPONENT VIDEO PS7200 / SR7200 ONLY IC899 35 Q854Q851Q805 Q808 Q852Q816Q803 Q806A IC806 Q807Q804 IC805 Q801Q806 IC807IC808 IC802 IC804IC803 S VIDEO Q802 36 Q806M IC805MIC806MQ821 Q871 Q822 Q873M Q87

35、0 Q805M Q851M VIDEO 37 TUNER /K, /U ONLY To repair the Tuner circuit board, replace the whole Tuner BD Assy. (Refer to the Parts list) 38 IC106 CD4094BC M1 (SDA/CDIN)M3 M2 (SCL/CCLK) MODE SELECT (CONTROL PORT) EXTERNAL MUTE CONTROL REFERENCE SERIAL PORT INTER POLATION FILTER INTER POLATION FILTER VO

36、LUME CONTROL DAC ANALOG FILTER ANALOG FILTER VOLUME CONTROL MIXER M0 (AD0/CS)AMUTECBMUTECCMOUTFILT+ AOUTA+ AOUT- AOUTB+ AOUTB- MCLK SDATA LRCK SCLK RST DAC IC720 CS4391 6. IC DATA IC301 LC75721E 3940 IC108 TDA7330 Nr.NameDescription 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 MUXIN Vref COMP

37、FIL OUT GND T1 T3 T4 OSC OUT OSC IN T57 RDCL RDDA QUAL ARI VCC T2 FSEL TM POR RDS input signal. Reference voltage Not inverting comparator input (smoothing filter) Filter Output Ground Testing output pin (not to be used) Testing output pin (not to be used) Testing output pin (not to be used) Oscilla

38、tor output Oscillator Input Testing output pin: 57KHz clock output RDS clock output (1187.5Hz) RDS data output Output for signal qualityindication (High = good) Output for ARI indication (High when RDS + ARI signals are present) (High when only ARI is present) (Low when only RDS is present) (indefin

39、ed when no signal is present) Supply Voltage Testing output pin (not to be used) Frequency selector pin: open = 4.332MHz, closed to VCC= 8.664MHz Test mode pin (open = normal RUN) (closed to VCC= Test mode) Reset Input for testing (active high) PIN FUNCTION PF0 to PF7 8 RAM 4096 BYTES INTERRUPT CONTROLLER A/D CONVERTER INT3 INT1 INT0 INT2 AN0 to AN1112 RST VDD VSS EXTAL XTAL AVREF AVSS RxD TxD PROM 120K BYTES 2 CLOCK GENE