Marantz-SR5300-avr-sm 维修电路原理图.pdf

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1、SR5300 / SR630011AW855010 MITFirst Issue 2002.10ServiceManualRPlease use this service manual with referring to the user guide ( D.F.U. ) without fail.SR5300 /N1B/N1G/U1B/K1G/A1BSR6300 /N1B/N1G/U1B/K1GAV Surround ReceiverTABLE OF CONTENTSSECTIONPAGE 1. TECHNICAL SPECIFICATIONS. 1 2. WIRING DIAGRAM .

2、5 3. BLOCK DIAGRAM . 7 4. SCHEMATIC DIAGRAM . 9 5. PARTS LOCATION. 29 6. IC DATA . 48 7. EXPLODED VIEW AND PARTS LIST . 51 8. SERVICE PROCEDURE . 59 9. ELECTRICAL PARTS LIST . 62SR5300 / SR6300SR5300 / SR6300AV SURROUND RECEIVER SR5300UPSURROUNDVOLUMEDOWNMEMORYTUNING/PRESETMODEF/PCLEARSLEEPS-DIRECTD

3、IMMERMUTEA/D6.1CH INPOWER ON/OFFPHONESSTANDBYAUX INPUTS-VIDEOVIDEOLAUDIORDSS/VCR2AUXVCR1DVDTVCDCDR/MDTAPETUNERATTPEAKNIGHTDISPLAY OFFHT-EQSLEEPMUTEANALOGDIGITAL PCMAUTODTS ESSURROUND EXDIRECTMEMOPRESETSRSCSLRTPTYAUTOTUNEDDSP SOUNDVIRTUALDIGITALRCLRDSSTEREOPRO LOGICIIDOLBYSWAV SURROUND RECEIVER SR630

4、0UPSURROUNDVOLUMEDOWNMEMORYTUNING/PRESETMODEF/PCLEARSLEEPS-DIRECTDIMMERMUTEA/D6.1CH INPOWER ON/STANDBYPHONESSPEAKERSSTANDBYAUX INPUTS-VIDEOVIDEOLAUDIORDSS/VCR2AUXVCR1DVDTVCDCDR/MDTAPETUNERATTPEAKNIGHTDISPLAY OFFHT-EQSLEEPMUTEANALOGDIGITAL PCMAUTODTS ESSURROUND EXDIRECTMEMOPRESETSRSCSLRTPTYAUTOTUNEDD

5、SP SOUNDVIRTUALDIGITALRCLRDSSTEREOPRO LOGICIIDOLBYSWABSR5300 /N/K/ASR6300 /URadioFans.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 pro

6、duct will continue to perform to the specifications for whichit 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 specified.The

7、 following information must be supplied to eliminate delays in processing your 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

8、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 ACcord connector pins ( with unit NOT connected to AC mains and its Power switch ON ), and t

9、he face or Front Panel of product andcontrols and chassis bottom.Any resistance 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 hes

10、itate to contact the TechnicalDepartment at above mentioned address.020816MITSUPERSCOPE TECHNOLOGIES, INC.USAMARANTZ AMERICA, INC1100 MAPLEWOOD DRIVEITASCA, IL. 60143USAPHONE : 630 - 741 - 0300FAX : 630 - 741 - 0301JAPANTechnicalMARANTZ JAPAN, INC.35- 1, 7- CHOME, SAGAMIONOSAGAMIHARA - SHI, KANAGAWA

11、JAPAN 228-8505PHONE : +81 42 748 1013FAX : +81 42 741 9190EUROPE / TRADING MARANTZ EUROPE B.V.P. O. BOX 8744, BUILDING SILVERPOINTBEEMDSTRAAT 11, 5653 MA EINDHOVENTHE NETHERLANDSPHONE : +31 - 40 - 2507844FAX : +31 - 40 - 2507860TECHNICAL AUDIO GROUP PTY, LTD558 DARLING STREET, BALMAIN, NSW 2041,AUST

12、RALIAPHONE : 61 - 2 - 9810 - 5300FAX : 61 - 2 - 9810 - 5355AUSTRALIAQualiFi Pty Ltd,24 LIONEL ROAD, MT. WAVERLEY VIC 3149AUSTRALIAPHONE : +61 - (0)3 - 9543 - 1522FAX : +61 - (0)3 - 9543 - 3677NEW ZEALANDWILDASH AUDIO SYSTEMS NZ14 MALVERN ROAD MT ALBERTAUCKLAND NEW ZEALANDPHONE : +64 - 9 - 8451958FAX

13、 : +64 - 9 - 8463554THAILANDMRZ STANDARD CO., LTD746 - 754 MAHACHAI ROAD.,WANGBURAPAPIROM, PHRANAKORN, BANGKOK, 10200 THAILANDPHONE : +66 - 2 - 222 9181FAX : +66 - 2 - 224 6795TAIWANPAI- YUING CO., LTD.6 TH FL NO, 148 SUNG KIANG ROAD, TAIPEI, 10429, TAIWAN R.O.C.PHONE : +886 - 2 - 25221304FAX : +886

14、 - 2 - 25630415MALAYSIAWO KEE HONG ELECTRONICS SDN. BHD.2ND FLOOR BANGUNAN INFINITE CENTRELOT 1, JALAN 13/6, 46200 PETALING JAYASELANGOR DARUL EHSAN, MALAYSIAPHONE : +60 - 3 - 7954 8088FAX : +60 - 3 - 7954 7088 AMERICASMARANTZ PROFESSIONAL PRODUCTS2640 WHITE OAK CIRCLE, SUITE AAURORA, ILLINOIS 60504

15、 USAPHONE : 630 - 820 - 4800FAX : 630 - 820 - 8103 AUSTRALIAKOREAMK ENTERPRISES LTD.ROOM 604/605, ELECTRO-OFFICETEL, 16-58, 3GA, HANGANG-RO, YONGSAN-KU, SEOULKOREAPHONE : +822 - 3232 - 155FAX : +822 - 3232 - 154SINGAPOREWO KEE HONG DISTRIBUTION PTE LTD130 JOO SENG ROAD#03-02 OLIVINE BUILDINGSINGAPOR

16、E 368357PHONE : +65 6858 5535 / +65 6381 8621FAX : +65 6858 6078HONG KONGJolly ProAudio Broadcast Engineering Ltd.UNIT 2, 10F, WAH HUNG CENTRE,41 HUNG TO ROAD, KWUN TONG, KLN.,HONG KONGPHONE : 852 - 21913660FAX : 852 - 21913990CANADALENBROOK INDUSTRIES LIMITED633 GRANITE COURT, PICKERING, ONTARIO L1

17、W 3K1CANADAPHONE : 905 - 831 - 6333FAX : 905 - 831 - 6936RadioFans.CN 收音机爱 好者资料库11. TECHNICAL SPECIFICATIONSSR5300FM TUNER SECTIONFrequency Range. 87.5 - 108.0MHzUsable Sensitivity. IHF 1.8V/16.4dBfSignal to Noise Ratio. Mono/Stereo 75/70dBDistortion . Mono/Stereo 0.2/0.3%Stereo Separation . 1kHz 45

18、dBAlternate Channel Selectivity . 300kHz 60dB(/K/N/A). 400kHz 60dB(/U)Image Rejection . 98MHz 70dBTuner Output Level . 1kHz,40kHz Dev 500mV(/K/N/A). 1kHz,75kHz Dev 500mV(/U)AM TUNER SECTIONFrequency Range.AM: 522 - 1611kHz(/K/N/A). AM: 520 - 1710kHz(/U)Signal to Noise Ratio. 50dBUsable Sensitivity.

19、Loop 400V/mDistortion . 400Hz, 30% Mod. 0.5%Selectivity . 18kHz 60dB(/K/N/A). 20kHz 60dB(/U)AUDIO SECTIONPower Output (20Hz - 20kHz/THD=0.08%)Front L&R. 8 90W / ChCenter . 8 90W / ChSurround L&R . 8 90W / ChSurround Center. 8 90W / ChFront L&R. 6 105W / ChCenter . 6 105W / ChSurround L&R . 6 105W /

20、ChSurround Back . 6 105W / ChMaximum Power Output (1 kHz/EIAJ)Front L&R. 6 135W / ChCenter . 6 135W / ChSurround L&R . 6 135W / ChSurround Center. 6 135W / ChInput Sensitivity/ImpedanceLinear . 340 mV/ 47 KSignal to Noise RatioLinear .105 dBVIDEO SECTIONTelevision Format. NTSC/PAL(/K/N/A). NTSC(/U)I

21、nput Level/Impedance. 1Vp-p/ 75Output Level/Impedance . 1Vp-p/ 75Video Frequency Response. 5Hz to 8MHz(1dB)S/N .60dBGENERALPower Requirement . AC110-115/220-230V 50/60Hz(/K). AC230V 50Hz(/N/A). AC120V 60Hz(/U)Power Consumption. 310W(3.4A)Dimension (MAX)Width.440mm(17-5/16in)Height .164mm(6-7/16in)De

22、pth .425mm(16-3/4in)Weight.12.9Kg(28.38lbs)ACCESSORIESRemote Control Unit RC5300SR . 1FM Feeder Antenna . 1FM Antenna Converter. 1AM Loop Antenna . 1AAA-Size Batteries. 2SR6300FM TUNER SECTIONFrequency Range. 87.5 - 108.0MHzUsable Sensitivity. IHF 1.8V/16.4dBfSignal to Noise Ratio. Mono/Stereo 75/70

23、dBDistortion . Mono/Stereo 0.2/0.3%Stereo Separation . 1kHz 45dBAlternate Channel Selectivity . 300kHz 60dB(/K/N). 400kHz 60dB(/U)Image Rejection . 98MHz 70dBTuner Output Level . 1kHz,40kHz Dev 500mV(/K/N). 1kHz,75kHz Dev 500mV(/U)AM TUNER SECTIONFrequency Range. AM: 522 - 1611kHz(/K/N). AM: 520 - 1

24、710kHz(/U)Signal to Noise Ratio. 50dBUsable Sensitivity. Loop 400V/mDistortion . 400Hz, 30% Mod. 0.5%Selectivity . 18kHz 60dB(/K/N). 20kHz 60dB(/U)AUDIO SECTIONPower Output (20Hz - 20kHz/THD=0.08%)Front L&R. 8 100W / ChCenter . 8 100W / ChSurround L&R . 8 100W / ChSurround Center. 8 100W / ChFront L

25、&R. 6 125W / ChCenter . 6 125W / ChSurround L&R . 6 125W / ChSurround Back . 6 125W / ChMaximum Power Output (1 kHz/EIAJ)Front L&R. 6 155W / ChCenter . 6 155W / ChSurround L&R . 6 155W / ChSurround Center. 6 155W / ChInput Sensitivity/ImpedanceLinear . 340 mV/ 47 KSignal to Noise RatioLinear .105 dB

26、VIDEO SECTIONTelevision Format. NTSC/PAL(/K/N). NTSC(/U)Input Level/Impedance. 1Vp-p/ 75Output Level/Impedance . 1Vp-p/ 75Video Frequency Response. 5Hz to 8MHz(1dB)S/N .60dBGENERALPower Requirement . AC110-115/220-230V 50/60Hz(/K). AC230V 50Hz(/N). AC120V 60Hz(/U)Power Consumption. 380W(4.0A)Dimensi

27、on (MAX)Width.440mm(17-5/16in)Height .164mm(6-7/16in)Depth .425mm(16-3/4in)Weight.14.8Kg(32.7lbs)ACCESSORIESRemote Control Unit RC7300SR . 1FM Feeder Antenna . 1FM Antenna Converter. 1AM Loop Antenna . 1AA-Size Batteries . 22SURROUNDINPUT SIGNALOUTPUT CHANNELSFLUORESCENT INDICATORMODEL/RCSL/SRSC SWF

28、ORMAT STATUS & SURROUND MODETEMPORARY DISPLAY STATUSAUTODOLBY DIGITAL(5.1CH)OOO-OAUTO, DOLBY, DIGITALAUTODOLBY DIGITAL(2CH)O-OAUTO, DOLBY, DIGITALAUTODOLBY DIGITAL (2CH:Lt/Rt)OOO-OAUTO, DOLBY, DIGITAL, PRO LOGIC IIAUTODOLBY DIGITAL EX(6.1CH)OOOOOAUTO, DOLBY, DIGITAL, SURROUND EXAUTO96KHZ PCMO-AUTO,

29、STEREO, PCMAUTO - 96KHzPCM(AUDIO)O-OAUTO, STEREOAUTOANALOGO-OAUTO, STEREOAUTODTS(5.1CH)OOO-OAUTO, DTSAUTODTS-ES(6.1CH)OOOOOAUTO, DTS, ESAUTODOLBY DIGITAL(5.1CH)OOO-ODOLBY, DIGITALDOLBY DPL2 MOVIEDOLBY DIGITAL(2CH)OOO-ODOLBY, DIGITAL, PRO LOGIC IIDOLBY PL2 MVDOLBY DIGITAL(2CH:Lt/Rt)OOO-ODOLBY, DIGITA

30、L, PRO LOGIC IIDOLBY PL2 MVDOLBY DIGITAL EX(6.1CH)OOO-ODOLBY, DIGITALDOLBY D96KHZ PCM-PCM(AUDIO)OOO-ODOLBY, PRO LOGIC II, PCMDOLBY PL2 MVANALOGOOO-ODOLBY, PRO LOGIC IIDOLBY PL2 MVDTS(5.1CH)-DTS-ES(6.1CH)-DOLBY DIGITAL(5.1CH)OOO-ODOLBY, DIGITALDOLBY DPL2 MUSICDOLBY DIGITAL(2CH)OOO-ODOLBY, DIGITAL, PR

31、O LOGIC IIDOLBY PL2 MSDOLBY DIGITAL(2CH:Lt/Rt)OOO-ODOLBY, DIGITAL, PRO LOGIC IIDOLBY PL2 MSDOLBY DIGITAL EX(6.1CH)OOO-ODOLBY, DIGITALDOLBY D96KHZ PCM-PCM(AUDIO)OOO-ODOLBY, PRO LOGIC II, PCMDOLBY PL2 MSANALOGOOO-ODOLBY, PRO LOGIC IIDOLBY PL2 MSDTS(5.1CH)-DTS-ES(6.1CH)-DOLBY DIGITAL(5.1CH)OOO-ODOLBY,

32、DIGITALDOLBY DPRO LOGICDOLBY DIGITAL(2CH)OOO-ODOLBY, DIGITAL, PRO LOGICDOLBY PLDOLBY DIGITAL(2CH:Lt/Rt)OOO-ODOLBY, DIGITAL, PRO LOGICDOLBY PLDOLBY DIGITAL EX(6.1CH)OOO-ODOLBY, DIGITALDOLBY D96KHZ PCM-PCM(AUDIO)OOO-ODOLBY, PRO LOGIC, PCMDOLBY PLANALOGOOO-ODOLBY, PRO LOGICDOLBY PLDTS(5.1CH)-DTS-ES(6.1

33、CH)-EX/ESDOLBY DIGITAL(5.1CH)OOOOODOLBY, DIGITAL, SURROUND EXDOLBY D EXDOLBY DIGITAL(2CH)-DOLBY DIGITAL (2CH:Lt/Rt)-DOLBY DIGITAL EX(6.1CH)OOOOODOLBY, DIGITAL, SURROUND EXDOLBY D EX96KHZ PCM-PCM(AUDIO)-ANALOG-DTS(5.1CH)OOOOODTS, ESDTS ESDTS-ES(6.1CH)OOOOODTS, ESDTS ESDTSDOLBY DIGITAL(5.1CH)-DOLBY DI

34、GITAL(2CH)-DOLBY DIGITAL(2CH:Lt/Rt)-DOLBY DIGITAL EX(6.1CH)-96KHZ PCM-PCM(AUDIO)-ANALOG-DTS(5.1CH)OOO-ODTSDTSDTS-ES(6.1CH)OOO-ODTSDTSNeo:6 CINEMADOLBY DIGITAL(5.1CH)-Neo:6 MUSICDOLBY DIGITAL(2CH)-DOLBY DIGITAL(2CH:Lt/Rt)-DOLBY DIGITAL EX(6.1CH)-96KHZ PCM-PCM(AUDIO)OOOOOPCMNEO6 CINEMA or MUSICANALOGO

35、OOOONEO6 CINEMA or MUSICDTS(5.1CH)-DTS-ES(6.1CH)-MULTI CH. STDOLBY DIGITAL(5.1CH)OOOOODOLBY, DIGITAL, SURROUND EXM-CH STEREODOLBY DIGITAL(2CH)OOOOODOLBY, DIGITALM-CH STEREODOLBY DIGITAL(2CH:Lt/Rt)OOOOODOLBY, DIGITALM-CH STEREODOLBY DIGITAL EX(6.1CH)OOOOODOLBY, DIGITAL, SURROUND EXM-CH STEREO96KHZ PC

36、M-PCM(AUDIO)OOOOOPCMM-CH STEREOANALOGOOOOOM-CH STEREODTS(5.1CH)OOOOODTS, ESM-CH STEREODTS-ES(6.1CH)OOOOODTS, ESM-CH STEREOThe relation between the selected surround mode and the input signalThe surround mode is selected with the surround mode selector knob of the SR6300 or the remote control unit. H

37、owever, the sound from thespeakers depend upon the relationship between the selected surround mode and the input signal. They are as follows;3SURROUNDINPUT SIGNALOUTPUT CHANNELSFLUORESCENT INDICATORMODEL/RCSL/SRSC SWFORMAT STATUS & SURROUND MODETEMPORARY DISPLAY STATUSCS2 CINEMADOLBY DIGITAL(5.1CH)-

38、CS2 MUSICDOLBY DIGITAL(2CH)-CS2 MONODOLBY DIGITAL(2CH:Lt/Rt)-DOLBY DIGITAL EX(6.1CH)-96KHZ PCM-PCM(AUDIO)OOOOOPCMCS-2 CINEMA or MUSIC or MONOANALOGOOOOOCS-2 CINEMA or MUSIC or MONODTS(5.1CH)-DTS-ES(6.1CH)-VIRTUALDOLBY DIGITAL(5.1CH)O-OVIRTUAL, DOLBY, DIGITALVIRTUALDOLBY DIGITAL(2CH)O-OVIRTUAL, DOLBY

39、, DIGITAL, PRO LOGICVIRTUALDOLBY DIGITAL(2CH:Lt/Rt)O-OVIRTUAL, DOLBY, DIGITAL, PRO LOGICVIRTUALDOLBY DIGITAL EX(6.1CH)O-OVIRTUAL, DOLBY, DIGITALVIRTUAL96KHZ PCM-PCM(AUDIO)O-OVIRTUAL, PRO LOGIC, PCMVIRTUALANALOGO-OVIRTUAL, PRO LOGICVIRTUALDTS(5.1CH)O-OVIRTUAL, DTSVIRTUALDTS-ES(6.1CH)O-OVIRTUAL, DTSVI

40、RTUAL(DSP SURROUND)DOLBY DIGITAL(5.1CH)-MOVIEDOLBY DIGITAL(2CH)-HALLDOLBY DIGITAL(2CH:Lt/Rt)-STADIUMDOLBY DIGITAL EX(6.1CH)-MATRIX96KHZ PCM-PCM(AUDIO)OOOOODSP SOUND, PCMMOVIE or HALL or STADIUM or MATRIXANALOGOOOOODSP SOUNDMOVIE or HALL or STADIUM or MATRIXDTS(5.1CH)-DTS-ES(6.1CH)-STEREODOLBY DIGITA

41、L(5.1CH)O-OSTEREO, DOLBY, DIGITALSTEREODOLBY DIGITAL(2CH)O-OSTEREO, DOLBY, DIGITALSTEREODOLBY DIGITAL(2CH:Lt/Rt)O-OSTEREO, DOLBY, DIGITALSTEREODOLBY DIGITAL EX(6.1CH)O-OSTEREO, DOLBY, DIGITALSTEREO96KHZ PCMO-STEREO, PCMSTEREO - 96KHzPCM(AUDIO)O-OSTEREO, PCMSTEREOANALOGO-OSTEREOSTEREODTS(5.1CH)O-OSTE

42、REO, DTSSTEREODTS-ES(6.1CH)O-OSTEREO, DTSSTEREOS-DIRECTDOLBY DIGITAL(5.1CH)OOO-ODIRECT, DOLBY, DIGITALS-DIRECTDOLBY DIGITAL(2CH)O-ODIRECT, DOLBY, DIGITALS-DIRECTDOLBY DIGITAL(2CH:Lt/Rt)OOO-ODIRECT, DOLBY, DIGITALS-DIRECTDOLBY DIGITAL EX(6.1CH)OOOOODIRECT, DOLBY, DIGITAL, SURROUND EXS-DIRECT96KHZ PCM

43、O-DIRECT, STEREO, PCMS-DIRECT - 96KHzPCM(AUDIO)O-ODIRECT, STEREO, PCMS-DIRECTANALOGO-ODIRECT, STEREOS-DIRECTDTS(5.1CH)OOO-ODIRECT, DTSS-DIRECTDTS-ES(6.1CH)OOOOODIRECT, DTS, ESS-DIRECTNote:Dolby Digital (2 ch: Lt/Rt): signal with Dolby Surround flagSpeakers are full set.No sound outputs from the surr

44、ound speaker, center speaker andsubwoofer if the DVD disc has no surround data.L/R : Front speakersC : Center speakerSL/SR : Surround speakersSC : Surround Center speakerSW : Sub woofer speaker4-MEMO-562. WIRING DIAGRAM783. BLOCK DIAGRAM9104. SCHEMATIC DIAGRAM11121314151617181920212223242526To repai

45、r the tuner circuit board, replace the whole Tuner BD Assy.(Refer the Parts List.)27285. PARTS LOCATIONQ204RQ209RD203LQ215LQ208LD202LQ209LQ205LQ206LQ207LQ201LQ202LQ203LQ204LQ215SLQ208SLD202SLQ209SLQ205SLQ206SLQ207SLQ201SLQ202SLQ203SLQ204SLD203CQ215CD202C Q208CQ209CQ205CQ203CQ201CQ202CQ207CQ203CQ204C

46、Q203SCQ215SCQ208SCD202SCQ209SCQ205SCQ206SCQ201SCQ202SCQ207SCQ205SCQ204SCD203SRQ215SRQ208SRD202SRQ209SRQ207SR Q206SR Q205SRQ201SRQ202SRQ203SRQ204SRD203RQ215RD202R Q208RQ205RQ206RQ207RQ201RQ202RQ203RD203SLAMP2930Q115 - Q120Q122Q128Q129Q123Q124D123IC106Q108-113D114D116D115D118D112D106D107D110AD110Q104Q

47、103Q101Q102D117IC105IC103IC104IC102IC101Q131-135IC107ZD129Q130D124-126D129D126D127ZD122Q136 ZD121D113 Q106Q107Q105D103 D109D105 D111D101 D108 D102 D104D119D120IC108MAIN31323334Q301FRONTQ305Q304Q306Q308Q303MD315D319D316MD318D320Q302D317Q309D328D336D333D332D337IC3013536Q706-712IC719-725IC716IC717IC715

48、IC718IC705IC706IC701IC702IC708IC711IC709IC714IC707IC704DSP3738D701-703IC712IC710IC703D706Q705Q704Q702AFLQ702Q702AFRIC713DSP3940Q503D504D503Q513Q502Q514Q511Q505D502D513Q515IC503Q509Q501Q512Q507Q508Q506D509D509D512D510D505Q510Q504D501 D506D508D507PROSESSOR 6.1CH(7CH)INPUT/OUTPUTIC504IC507IC502IC505IC5

49、06IC514IC512IC501IC508IC511IC510IC509PROCESSOR 6.1CH(7CH)INPUT/OUTPUT41INPUT 1IC401IC404IC403INPUT 2D501D50242IC806IC805Q808Q852A Q806Q806AQ852D801A D801D802D804Q801Q801AQ816Q803Q854Q851Q805S-VIDEOH/P (SR5300)H/P (SR6300)43IC808IC806IC805IC804IC802IC803IC807S-VIDEOMULTI CONTROL44Q822D870D871Q821Q871

50、Q870Q822AD873D884D872VIDEOSPEAKER A45VIDEOIC873IC874IC872SPEAKER B (SR6300)46D714ZD711D719ZD713D711-714D714ZD716ZD712Q711IC710Q714Q712ZD715POWERPOWER SW (/A/K/N)POWER SW (/U)VOLTAGE SELECT (/K ONLY)D303STAND-BY LED47TUNERTo repair the tuner circuit board, replace the whole Tuner BD Assy.(Refer the P