Sony-STRV525-rec-sm 维修电路原理图.pdf

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1、STR-DE435/DE535/SE491/V424/V525US ModelSTR-DE435/DE535/SE491Canadian ModelSTR-DE435/DE535AEP ModelSTR-DE435E ModelSTR-DE435/DE535Australian ModelSTR-DE435/DE535Chinese ModelSTR-V424/V525SERVICE MANUALFM STEREO FM-AM RECEIVER Continued on next page SPECIFICATIONSDolby Laboratories Licensing Corporati

2、on.“DOLBY” the double-D symbol a “AC-3” and “PRO LOGIC”are trademarks of Dolby Laboratories Licensing Corporation.Sony CorporationHome Audio CompanyPublished by Sony Engineering Corporation9-928-848-122003E16-1 2003.05POWER OUTPUT AND TOTAL HARMONICDISTORTIONWith 8-ohm load, both channels driven, fr

3、om 20a) 20,000 Hz rated 100 watts per channel minimumRMS power, with no more than 0.09%b) totalharmonic distortion from 250 milliwatts to ratedoutput.STR-SE491:a) 40Hzb) 0.5%Amplifier sectionStereo modeSTR-DE535/DE435:(8 at 20Hz 20kHless than 0.09% totalharmonic distortion)100W + 100WSTR-SE491:(8 at

4、 40Hz 20kHz lessthan 0.5% total harmonicdistortion)100W + 100WSurround mode andSTR-DE535/435:5.1CH/DVD mode(8 at 1kHz, THD 0.8%)Front: 100W/chCenter*: (Pro Logic Mode)100WRear*: 100W/chSTR-SE491:(8 at 1kHz, THD 0.5%)Front: 100W/chCenter*: 100WRear*: 100W/chFrequency responsePHONO: RIAAequalization c

5、urve0.5dB(except STR-DE435)TV/SAT, CD, MD/TAPE, VIDEO, 5.1CH/DVD10Hz 50kHz 1dBInputsSensitivityImpedanceS/NPHONO(except STR-4mV5086dBDE435)kilohmsCD,5.1CH/DVD,MD/TAPE,250mV5096dBTV/SAT,kilohmsVIDEOOutputsMD/TAPE REC OUT: Voltage: 250mV, Impedance: 10kilohmsVIDEO AUDIO OUT: Voltage: 250mV, Impedance:

6、 10kilohmsWOOFER: Voltage: 2V Impedance: 1kilohmsPHONES: Accepts low and high impedance headphonesMutingFull muteBASS BOOST+8dB at 70HzTONE8dB at 100Hz and10kHzTuner sectionFM Stereo, FM/AM superheterodyne tunerFM tuner sectionTuning range87.5 108.0MHzAntenna terminals75, unbalancedIntermediate freq

7、uency10.7MHzSensitivityMono: 18.3dBf,4.5VStereo: 38.3dBf,45VUsable sensitivity11.2dBf, 2V (IHF)S/NMono: 76dBStereo: 70dBHarmonicMono: 0.3%distortion at 1kHzStereo: 0.5%Separation45dB at 1kHzFrequency response30Hz 15kHz dBSelectivity60dB at 400kHz+0.52Photo: STR-DE535Ver 1.1 2003. 05RadioFans.CN 收音机爱

8、 好者资料库 2 AM tuner sectionTuning range10kHz interval* 530 1,710kHz9kHz interval 531 1,710kHzAntennaLoop antennaIntermediate frequency450kHzUsable sensitivity50dB/m (at 1,000kHz)S/N54dB (at 50mV/m)Harmonic distortion0.5% (50mV/m, 400Hz)SelectivityAt 10kHz: 40dBAt 9kHz: 35dB* You can change the AM tuni

9、ng interval between 9kHz and 10kHz. After tuning inany AM station, turn off the receiver.Hold down the PRESET TUNING+ buttoh and press the 1/u (power) button. Allpreset stations will be erased when you change the interval. To reset the interval,repeat the procedure.VIDEO section (except STR-SE491)In

10、putsVIDEO, TV/SAT, 5.1CH/DVD: 1Vp-p 75OutputsVIDEO, MONITOR: 1Vp-p 75GeneralSystemTuner section: PLL quartz-locked digital synthesizer systemPreamplifier section: Low-noise NF type equalizerPower amplifier section: Pure-complementary SEPPPower requirements120V AC, 60HzPower consumption220WAC outlets

11、STR-DE535/SE491: 2 switched, total 120W/1A MaxSTR-DE435: 1 switched, total 120W/1A MaxDimensions430 157 366 mm (17 61/8 145/8 inches)Mass (Aporox.)STR-DE535: 11.1kg (24 lb 6 oz)STR-DE435: 11.0kg (24 lb 3 oz)STR-DE491: 11.2kg (24 lb 9 oz)Supplid accessoriesFM wire antenna (1)AM loop antenna (1)Remote

12、 commander (remote) (1)LR6 (size - AA) batteries (3) (STR-DE535 only)R6 (size - AA) batteries (2) (STR-DE435/SE491 only)* Depending on the sound field setting and the source, there may be no soundoutput.Design and specifications are subject to change without notice.Parts No.MODEL IDENTIFICATION BACK

13、 PANEL MODELPARTS No.DE535: US model4-216-927-0DE535: Canadian model4-216-927-1DE535: Australian model4-216-927-2DE535: E model4-216-927-3DE535: Malaysia, Singapore model4-216-927-4V525: Chinese model4-216-927-5DE435: US model4-217-181-0DE435: Canadian model4-217-181-1DE435: Australian model4-217-18

14、1-2DE435: Malaysia, Singapore model4-217-181-3V424: Chinese model4-217-181-4DE435: AEP model4-217-181-5DE435: East European, CIS model4-217-181-6SE491: US model4-217-181-7RadioFans.CN 收音机爱 好者资料库 3 SAFETY-RELATED COMPONENT WARNING!COMPONENTS IDENTIFIED BY MARK ! OR DOTTED LINE WITHMARK ! ON THE SCHEM

15、ATIC DIAGRAMS AND IN THE PARTSLIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESECOMPONENTS WITH SONY PARTS WHOSE PART NUMBERSAPPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTSPUBLISHED BY SONY. After correcting the original service problem, perform thefollowing safety checks before releasing the set t

16、o the customer:Check the antenna terminals, metal trim, “metallized” knobs, screws,and all other exposed metal parts for AC leakage. Check leakage asdescribed below.LEAKAGE The AC leakage from any exposed metal part to earth groundand from all exposed metal parts to any exposed metal part havinga re

17、turn to chassis, must not exceed 0.5 mA (500 microamperes).Leakage current can be measured by any one of three methods.1.A commercial leakage tester, such as the Simpson 229 or RCAWT-540A. Follow the manufacturers instructions to use theseinstruments.2.A battery-operated AC milliammeter. The Data Pr

18、ecision 245digital multimeter is suitable for this job.3.Measuring the voltage drop across a resistor by means of aVOM or battery-operated AC voltmeter. The “limit” indicationis 0.75 V, so analog meters must have an accurate low-voltagescale. The Simpson 250 and Sanwa SH-63Trd are examples ofa passi

19、ve VOM that is suitable. Nearly all battery operateddigital multimeters that have a 2V AC range are suitable. (SeeFig. A)SAFETY CHECK-OUTTo Exposed Metal Parts on Set0.15 F1.5 kACVoltmeter(0.75 V)Earth GroundFig. A. Using an AC voltmeter to check AC leakage.ATTENTION AU COMPOSANT AYANT RAPPORT LA SC

20、URIT!LES COMPOSANTS IDENTIFS PAR UNE MARQUE ! SUR LESDIAGRAMMES SCHMATIQUES ET LA LISTE DES PICES SONTCRITIQUES POUR LA SCURIT DE FONCTIONNEMENT. NEREMPLACER CES COMPOSANTS QUE PAR DES PISES SONYDONT LES NUMROS SONT DONNS DANS CE MANUEL OUDANS LES SUPPMENTS PUBLIS PAR SONY.TABLE OF CONTENTS1. GENETA

21、L 42. TEST MODE 63. DIAGRAMS3-1.Circuit Boards Location 73-2.Block Diagrams 9 Main Section 9 Power Section 113-3.Printed Wiring Board Input Section 133-4.Schematic Diagram Input Section 153-5.Printed Wiring Board Surround Section 173-6.Schematic Diagram Surround Section 193-7.Printed Wiring Board Di

22、splay Section 213-8.Schematic Diagram Display Section 233-9.Printed Wiring Board Key Section 253-10. Schematic Diagram Key Section 273-11. Printed Wiring Board Rear Amp Section 293-12. Schematic Diagram Rear Amp Section 313-13. Printed Wiring Board Power Amp Section 333-14. Schematic Diagram Power A

23、mp Section 353-15. IC Pin Function Description 373-16. IC Block Diagrams394. EXPLODEO VIEWS4-1.Front Panel Section 404-2.Chassis Section 425. ELECTRICAL PARTS LIST44 4 SECTION 1GENETAL11/u (POWER) button2TUNING +, button3DIMMER button4DISPLAY button5PRESET/PTY SELECT +, buttons (DE435),PRESET TUNING

24、 +, buttons (DE535)6RDS PTY button (DE435 only)7RDS EON button (DE435), AM button (DE535)8MD/TAPE button95.1CH/DVD button!SUR button!SOUND FIELD ON/OFF, MODE +, buttons!SET UP button!MASTER VOLUME control!TONE button!BASS BOOST button!MUTING button!BALANCE control!NAME button!ENTER buttonMENU , +, b

25、uttonsBASS/TREBLE buttonPHONO button (DE535 only)TV/LD button (DE435), TV/SAT button (DE535)TUNER buttonVIDEO buttonCD buttonFM/AM button (DE435), FM button (DE535)FM MODE buttonMEMORY button#DIRECT button#Number buttons#SHIFT button#PHONES jack#SPEAKERS A. B switchFront Panel12 3456 78 9!? !? !?!?!

26、?!?!?!?!?#?#?#?#?#?!? 5 1ANTENNA (FM/AM)25.1CH/DVD3MONITOR4WOOFER5SPEAKER (REAR)6SPEAKER (CENTER)7AC power cord8AC OUTLET9SPEAKER (FRONT)!IMPEDANCE SELECTOR (DE535 only)!S-LINK (DE535 only)!VIDEO!TV/LD (DE435), TV/SAT (DE535)!MD/TAPE!CD!PHONO (DE535 only)!y SIGNAL GND (DE535 only)Rear Panel12345689!

27、?!?!?!?!?!?!?!?7 6 SECTION 2TEST MODESOFTWARE VERSION DISPLAY MODE* The software version is displayed.* Procedure:While depressing the MD/TAPE and the DIRECT buttonssimultaneously, press the power 1/u button to turn on the mainpower. The model name, destination and the software version aredisplayed.

28、FLUORESCENT INDICATOR TUBE TEST MODE* All fluorescent segments are tested. When this test is activated,all segments turn on at the same time, then each segment turns onone after another.* Procedure:While depressing the TV/SAT and the DIRECT buttonssimultaneously, press the power 1/u button to turn o

29、n the mainpower.1.All segments turn on.VIDEO, TV/SAT, MD/TAPE, CD, TUNER and PHONO LEDturn on.2.Press the VIDEO button, confirm display5.1CH/DVD, SUR, BASS/TREBLE, SET UP and NAME LEDturn on.3.Press the VIDEO button, confirm displayTONE, BASS BOOST and MUTING LED turn on.4.Press the VIDEO button, Al

30、l segments turn off.5.Every pressing of the VIDEO button turns on each segment oneafter another in the following order.(Not only the VIDEO button, but also the other buttons sach asTV/SAT, MD/TAPE, CD, TUNER, PHONO, 1, 2, 3, 4, 5, 6, 7,8, 9, 0 can be used.)FACTORY SET MODE* All preset contents are r

31、eset to the default setting.* Procedure:While depressing the VIDEO and the DIRECT buttonssimultaneously, press the power 1/u button to turn on the mainpower. The message FACTORY appears and the present contentsare reset to the default values.ALL CLEAR MODE* All preset contents are cleared when this

32、mode is activated. Usethis mode before returning the product to clients upon completionof repair.* Procedure:While depressing the TUNER and the MD/TAPE buttonssimultaneously, press the power 1/u button to turn on the mainpower. Alternatively, press 1/u more than 4S. The message ALLCLEAR appears and

33、initialization is performed.SURROUND CLEAR MODE* The preset sound field is cleared when this mode is activated.Use this mode before returning the product to clients uponcompletion of repair.* Procedure:While depressing the SOUND FIELD ON/OFF button, press thepower 1/u button to turn on the main powe

34、r. The message SURCLEAR appears and initialization is performed.AM CHANNEL STEP 9 kHz/10 kHzSELECTION MODE* Either the 9 kHz step or 10 kHz step can be selected for the AMchannel step.* Procedure:Set the FUNCTION to AM. Turn off the main power.While depressing the TUNING+ button or the PRESET+ butto

35、n,press the power 1/u button to turn on the main power. Eitherthe message AM 9k STEP or AM 10k STEP appears. Select thedesired step.* For US/Canadian/E model onlySTR-DE435/DE535/SE491/V424/V525SECTIION 3DIAGRAMS3-1. CIRCUIT BOARDS LOCATIONSTANDBY boardREAR AMP boardP.AMP boardSPK SELECT boardHEADPHO

36、NE boardDISPLAY boardKEY boardVOL boardBALANCE boardBRIDGE-A boardBRIDGE-B boardINPUT boardSURR boardREAR SPK boardVOLTAGE SELECTOR board(DE 535 : E MODEL) 7 8 For schematic diagrams.Note: All capacitors are in F unless otherwise noted. pF: F50 WV or less are not indicated except for electrolyticsan

37、d tantalums. All resistors are in and 1/4 W or less unless otherwisespecified.%: indicates tolerance.: internal component. 2 : nonflammable resistor. 1 : fusible resistor. C : panel designation. U : B+ Line. V : B Line. H : adjustment for repair. Voltages and waveforms are dc with respect to groundu

38、nder no-signal (detuned) conditions.No mark : FM Voltages are taken with a VOM (Input impedance 10 M).Voltage variations may be noted due to normal productiontolerances. Waveforms are taken with a oscilloscope. Circled numbers refer to waveforms. Signal path.F: FMJ: CDg : VIDEOI : PHONO Abbreviation

39、CND: Canadian modelAUS: Australian modelCH: Chinese modelMY: Malaysia modelSP: Singapore modelTHIS NOTE IS COMMON FOR PRINTED WIRINGBOARDS AND SCHEMATIC DIAGRAMS.(In addition to this necessary note is printed in eachblock.)Note:The components identified bymark ! or dotted line with mark! are critica

40、l for safety.Replace only with part numberspecified.Note:Les composants identifis parune marque ! sont critiquespour la scurit.Ne les remplacer que par unepice portant le numro spcifi. Waveform DISPLAY SECTION 1 IC100 ! (X1)2 IC1001 ! (X IN)5MHz7.28MHz4.3Vp-p3.3Vp-pEA: Saudi Arabia modelEE: East Eur

41、opean modelFor printed wiring boards.Note: X : parts extracted from the component side.: Through hole.: internal component. b : Pattern from the side which enables seeing. INPUT SECTION 3 IC230 !4.33MHz 2.8Vp-pCBThese are omitted.EQBThese are omitted.CESTR-DE435/DE535/SE491/V424/V5253-2. BLOCK DIAGR

42、AMS MAIN SECTION L24IF DATAFMAMFM75AMDOASTOPTMUTESTEREODATACLKCEL OUTR OUTTUNER UNITDOAUTO STOPTMUTESTEREOS DATAS CLKS LATR CH: FM: CD (ANALOG) Signal Path RCH is omittedPHONOLCDJ201LINPUTLOUT PUTJ202LFRONTLREARJ204WOOFER5.1 INPUTTAPE/MDM OUT10J281MONITORJ2085.1 ININVIDEO 1OUTOUTOUTV23OUT5V312V1114V

43、EE8VCC13SW12SW24SW211M32VIDEO SELECTIC281-5VREGIC280-15V+5V: VIDEO2830292622254118CE13CLK15DI14AUDIO SELECTIC204MUTEQ405S LATS CLKS DATACONTROLCE45CLK47DATA46D LATS CLKS DATA57LINE AMPIC2029L OUTS OUTC OUT413938MATRIX DECODERIC301DOLBY PROLOGIC111357EQ AMPIC20120kL.P.FADM5k/7kL.P.FVOL/MUTEDECCE4CLK2

44、DI3D LATS CLKS DATA2523PROCESSORIC302SURROUNDSL OUTL OUTMUTE SWQ421,42256731MUTEQ40857MUTEQ409IC400IC403IC402L.P.FMUTEQ4071315141112BASSTREBLETONE CONTROLIC401LEVEL SHIFTSTB10CLK8DI9T LATS CLKS DATABOOSTDETQ401,402RY401RELAYDRIVEQ403LINE AMPRV401VOLUMERV402BALANCELCWSLAPOWERSECTION(Page 11)MUPDOWNS1

45、2SYSTEMCONTROLIC100(1/2)S23V MUTE41621AUTO STOP23STEREO22TUNER MUTES DATAS CLKS LATDOAUTO STOPSTEREOTMUTE19S DATA18S CLOCK20S LATCH9D LATCH17T LATCHD LATT LAT52VOL +51VOL-3287VOLMOTORIC102DOWN54S MUTE49BASS BOOST41DIRECT PASS: PHONOCENTERLTVLJ203VIDEOINPUTOUTPUTLINPUT57LINE AMPIC203UPDE535 ONLYSIGNA

46、LDET OUT2124TUNERPHONOCDTAPEREC OUTTV/LDVIDEO OUTVIDEO INCOM4216RDSIC2301314X2304.332MHzDE435(CE)ONLYCOMCOM14 FCCFCL18FCLS20DC CUT9Q37157IC4036VIR CNTL38RDS CLK15RDS DAT28SIGNALTV/LD 9 10 STR-DE435/DE535/SE491/V424/V525 POWER SECTION RELAYDRIVEQ513LIMITERQ504145156123VEEVCCINMUT+VENF-VE13VCCPOWER AM

47、P(L)IC501L+B-BLIMITERQ505BOOSTERQ506BOOSTERQ507CUR DETQ508PROTECTORQ509,510Q511LIMITERQ6042765VSSIN+VENF-VE9VCCPOWER AMP(C/W)IC601C+B-BLIMITERQ605BOOSTERQ606BOOSTERQ607CUR DETQ608PROTECTORQ609,610Q611LIMITERQ704MUTEQ691,692145156123VEEVCCINMUT+VENF-VE13VCCPOWER AMP(SL)IC701SL+B-BLIMITERQ705BOOSTERQ7

48、06BOOSTERQ707CUR DETQ7081RY503RELAYDRIVEQ546RY501RELAYDRIVEQ596RY502BAA+BOFFS101SPEAKERSRELAYDRIVEQ646RY601RELAYDRIVEQ746RY701RELAYDRIVEQ696RY651RELAYDRIVEQ901RY901J651CS(L)S(R)R CHSURROUNDSPEAKERWOOFERJ501PHONESTM701FRONTSPEAKERTM501R CHR CHPOWERCONTIC9015836DELAY+B SWQ902D801SWITCHQ655,656INV SWQ6

49、57SWITCHQ651,652SWITCHQ653,654PROTECTORQ660-662D806F1F2+5.6VF801F802D802-805+B-BIMPEDANCESELECTOR84S501F901F903JW901D901-904CNP900AC INLR:FM:CD (ANALOG) Signal Path AbbreviationAUS : AustralianCND : CanadianSP: Singapore RCH is omittedWT9012-15VREG33+5VREG1REGQ801IC809+V-V-30V1+15VREG3IC809IC8011+12

50、VREG3IC8021+5VREG3IC804+15V+12V+5VIC803-15VCNJ901T902SYSTEM CONTROL/MODE CONTROLIC100(2/2)AMAINSECTION(Page 10)8AC MUTE44FRONT RY47PROTECTOR50SP OFF43CENTER RY45W RY42SUR RY48POWER RYREMOTOCONTROLRECEIVERIC10126SIRCSRESETQ101,10210RESETX112X211X1015MHzKEY133FUNCTIONKEYS102-120S123-148KEY23258NAME LE