Sony-STRK4800P-rec-sm 维修电路原理图.pdf

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1、1SERVICE MANUALUS ModelSTR-K4800P/K5800PCanadian ModelSTR-K4800PAEP ModelUK ModelSTR-DE497PSTR-DE497P/K4800P/K5800PFM STEREO/FM-AM RECEIVERAUDIO POWER SPECIFICATIONSPOWER OUTPUT AND TOTAL HARMONICDISTORTION:(Models of area code US only)With 6 ohm loads, both channels driven, from120 20,000 Hz; rated

2、 80 watts (STR-K5800P)/60 watts (STR-K4800P) per channel minimumRMS power, with no more than 0.7 % totalharmonic distortion from 250 milliwatts to ratedoutput.Amplifier sectionPower Output 1)Models of area code US(6 ohms 1 kHz, THD 10 %)STR-K5800P:FRONT 2) : 120 W/chCENTER 2) : 120 WSURR 2) : 120 W/

3、chSTR-K4800P:FRONT 2) : 100 W/chCENTER 2) : 100 WSURR 2) : 100 W/chModels of area code CND(6 ohms 1 kHz, THD 0.7 %)FRONT 2) : 80 W/chCENTER 2) : 80 WSURR 2) : 80 W/ch(6 ohms 1 kHz, THD 10 %)FRONT 2) : 100 W/chCENTER 2) : 100 WSURR 2) : 100 W/chSPECIFICATIONSModels of area code AEP, UK(6 ohms 1 kHz,

4、THD 0.7 %)FRONT 2) : 80 W/chCENTER 2) : 80 WSURR 2) : 80 W/ch(6 ohms 1 kHz, THD 10 %)FRONT 2) : 100 W/chCENTER 2) : 100 WSURR 2) : 100 W/ch1) Measured under the following conditions:Area codePower requirementsUS, CND120 V AC, 60 HzAEP, UK230 V AC, 50 Hz2) Depending on the sound field settings and th

5、esource, there may be no sound output.Inputs (Analog)MULTI CH IN *, CD,Sensitivity: 800 mVMD/TAPE,Impedance: 50 kiloohmsVIDEO 1, 2, DVDInputs (Digital)DVD (Coaxial)Sensitivity: Impedance: 75 ohmsVIDEO 2 (Optical)Sensitivity: Impedance: Ver 1.1 2004. 109-879-027-022004J04-1 2004. 10Sony CorporationAu

6、dio GroupPublished by Sony Engineering CorporationManufactured under license from Dolby Laboratories.“Dolby”, “Pro Logic” and the double-D symbol aretrademarks of Dolby Laboratories.“DTS” and “DTS Digital Surround” are registeredtrademarks of Digital Theater Systems, Inc. Continued on next page Phot

7、o: STR-K5800P STR-DE497P/K4800P/K5800Pare the FM/AM receiver section inHT-DDW760/4800DP/5800DP.RadioFans.CN 收音机爱 好者资料库2STR-DE497P/K4800P/K5800POutputs (Analog)MD/TAPE (OUT),Voltage: 800 mVVIDEO 1Impedance: 10 kiloohms(AUDIO OUT)SUB WOOFERVoltage: 2 VImpedance: 1 kiloohmsReproduction frequency range:

8、28 20,000 HzToneGain levels6 dB, 1 dB step* Models of area code AEP, UK only.FM tuner sectionTuning range87.5 108.0 MHzAntennaFM wire antennaAntenna terminals75 ohms, unbalancedIntermediate frequency10.7 MHzAM tuner sectionTuning rangeModels of area code US, CNDWith 10-kHz tuning scale: 530 1,710 kH

9、z 3)With 9-kHz tuning scale:531 1,710 kHz 3)Models of area code AEP, UKWith 9-kHz tuning scale:531 1,602 kHzAntennaLoop antennaIntermediate frequency450 kHz3) You can change the AM tuning scale to 9 kHz or 10 kHz.After tuning in any AM station, turn off the receiver. Whileholding down PRESET TUNING

10、+ or TUNING +, press?/1. All preset stations will be erased when you changethe tuning scale. To reset the scale to 10 kHz (or 9 kHz),repeat the procedure.Video sectionInputs/OutputsVideo:1 Vp-p, 75 ohmsGeneralPower requirementsArea codePower requirementsUS, CND120 V AC, 60 HzAEP, UK230 V AC, 50/60 H

11、zPower consumptionArea codePower consumptionUS (STR-K4800P)165 WUS (STR-K5800P)180 WCND225 VAAEP, UK150 WPower consumption (during standby mode)0.3 WDimensions (w/h/d) (Approx.)430 145 310.5 mm(17 5 6/8 11 7/8 inches)including projecting partsand controlsMass (Approx.)6.5 kg (14 lb 6 oz)Design and s

12、pecifications are subject to changewithout notice. AbbreviationCND : Canadian modelRadioFans.CN 收音机爱 好者资料库3MODEL IDENTIFICATION BACK PANEL Part No.MODELPART No.STR-DE497P: AEP4-252-088-0sSTR-DE497P: UK4-252-088-1sSTR-K4800P: US4-252-088-2sSTR-K4800P: CND4-252-088-3sSTR-K5800P: US4-252-088-6s Abbrevi

13、ationCND: Canadian modelSTR-DE497P/K4800P/K5800P1.5 k0.15 FACvoltmeter(0.75 V)To Exposed MetalParts on SetEarth GroundSAFETY CHECK-OUTAfter correcting the original service problem, perform the follow-ing safety check before releasing the set to the customer:Check the antenna terminals, metal trim, “

14、metallized” knobs, screws,and all other exposed metal parts for AC leakage.Check leakage as described below.LEAKAGE TESTThe AC leakage from any exposed metal part to earth ground andfrom all exposed metal parts to any exposed metal part having areturn to chassis, must not exceed 0.5 mA (500 microamp

15、ers.).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 Precision 245digital multimeter is suitable for this jo

16、b.3.Measuring the voltage drop across a resistor by means of aVOM or battery-operated AC voltmeter. The “limit” indica-tion is 0.75 V, so analog meters must have an accurate low-voltage scale. The Simpson 250 and Sanwa SH-63Trd are ex-amples of a passive VOM that is suitable. Nearly all batteryopera

17、ted digital multimeters that have a 2 V AC range are suit-able. (See Fig. A)Fig. A. Using an AC voltmeter to check AC leakage.SAFETY-RELATED COMPONENT WARNING!COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINEWITH MARK 0 ON THE SCHEMATIC DIAGRAMS AND INTHE PARTS LIST ARE CRITICAL TO SAFE OPERATION.REPLA

18、CE THESE COMPONENTS WITH SONY PARTS WHOSEPART NUMBERS APPEAR AS SHOWN IN THIS MANUAL ORIN SUPPLEMENTS PUBLISHED BY SONY.ATTENTION AU COMPOSANT AYANT RAPPORT LA SCURIT!LES COMPOSANTS IDENTIFIS PAR UNE MARQUE 0 SUR LESDIAGRAMMES SCHMATIQUES ET LA LISTE DES PICESSONT CRITIQUES POUR LA SCURIT DE FONCTIO

19、NNEMENT.NE REMPLACER CES COMPOSANTS QUE PAR DES PICESSONY DONT LES NUMROS SONT DONNS DANS CE MANUELOU DANS LES SUPPLMENTS PUBLIS PAR SONY.4STR-DE497P/K4800P/K5800PTABLE OF CONTENTS1. GENERALMain unit (STR-DE497P) . 5Main unit (STR-K4800P/K5800P). 7Remote button description. 92. DISASSEMBLY2-1. Case

20、.102-2. Front Panel Section .112-3. Back Panel. 112-4. Digital Board. 122-5. Standby Board .122-6. Main Board .133. TEST MODE. 144. DIAGRAMS4-1. Circuit Boards Location . 154-2. Block Diagram Tuner/Audio Section . 164-3. Block Diagram Digital Section .174-4. Block Diagram Video/Display Section .184-

21、5. Block Diagram Power Section . 194-6. Printed Wiring Boards Main Section . 204-7. Schematic Diagram Main Section (1/2) . 214-8. Schematic Diagram Main Section (2/2) . 224-9. Printed Wiring Board Digital Section (1/2) . 234-10. Printed Wiring Board Digital Section (2/2) . 244-11. Schematic Diagram

22、Digital Section (1/2) .254-12. Schematic Diagram Digital Section (2/2) .264-13. Printed Wiring Board Video Section .274-14. Schematic Diagram Video Section . 274-15. Printed Wiring Boards Display Section . 284-16. Schematic Diagram Display Section .294-17. Printed Wiring Boards Power Section . 304-1

23、8. Schematic Diagram Power Section . 314-19. IC Block Diagrams. 325. EXPLODED VIEWS5-1. Case Section . 375-2. Front Panel Section .385-3. Chassis Section-1 . 395-4. Chassis Section-2 . 406. ELECTRICAL PARTS LIST. 415STR-DE497P/K4800P/K5800PSECTION 1GENERALThis section is extractedfrom instruction ma

24、nual.STR-DE497P:6STR-DE497P/K4800P/K5800PSTR-DE497P:7STR-DE497P/K4800P/K5800PSTR-K4800P/K5800P:8STR-DE497P/K4800P/K5800PSTR-K4800P/K5800P:9STR-DE497P/K4800P/K5800P10STR-DE497P/K4800P/K5800PNote : This set can be disassemble according to the following sequence.SECTION 2DISASSEMBLY2-1. CASE2-1.CASE(Pa

25、ge 10)2-2.FRONT PANEL SECTION(Page 11)2-3.BACK PANEL(Page 11)SET2-5.STANDBY BOARD(Page 12)2-4.DIGITAL BOARD(Page 12)2-6.MAIN BOARD(Page 13)Note : Follow the disassembly procedure in the numerical order given.1 two screws(tapping)2 three screws(tapping)3 two screws(tapping)4 case11STR-DE497P/K4800P/K

26、5800P2-2. FRONT PANEL SECTION2-3. BACK PANEL5 front panel section1 CNS42 CNP7913 three screws(BVTP3 x 8)4 two screws(BVTP3 x 8)1 CNS73 CNP1565 CNP9014 CNP8012 CNS88 two screws(BVTP3 x 8)qa four screws(BVTP3 x 8)qs back panel9 two screws(BVTP3 x 8)0 five screws(BVTP3 x 8)7 two screws(BVTP3 x 8)6 scre

27、w (BVTP3 x 8)12STR-DE497P/K4800P/K5800P2-4. DIGITAL BOARD4 CNS15 CNS21 CNP62 CNP58 bracket (digital)6 DIGITAL board3 screw(BVTP3 x 8)7 screw(BVTP3 x 8)7 STANDBY board1 CNP9154 CNP8045 CNP9032 CNP8023 CNP9026 three screws (BVTP3 x 8)2-5. STANDBY BOARD13STR-DE497P/K4800P/K5800P5 MAIN board1 two screws

28、(+BV SUMITITE (B3)2 two screws(+BV SUMITITE (B3)4 two screws(+BV SUMITITE (B3)3 screw(+BV SUMITITE (B3)2-6. MAIN BOARD14STR-DE497P/K4800P/K5800PSECTION 3TEST MODEFACTORY PRESET MODE* All preset contents are reset to the default setting.* Procedure:While depressing the MAIN MENU and the PRESET TUNING

29、- buttons simultaneously, press the ?/1 button to turn on themain power.The message “FACTORY” appears for a moment and the presentcontents are reset to the default values.AM CHANNEL STEP 9 kHz/10 kHz SELECTIONMODE (US, Canadian model only)* Either the 9 kHz step or 10 kHz step can be selected for th

30、e AMchannel step.* Procedure:Press the TUNER FM/AM button to set AM and press the ?/1button to turn off the main power.While depressing the TUNING + button or thePRESET TUNING + button, press the ?/1 button to turn on themain power.Either the message “9k STEP” or “10k STEP” appears for amoment and s

31、elect the desired step.SPEAKER SIZE SELECTION MODE* Either the normal speaker or micro satellite speaker can be se-lected.* Procedure:While depressing the DIMMER button, press the ?/1 button toturn on the main power.Either the message “NORM. SP.” or “MICRO SP.” appears for amoment and select the des

32、ired speaker size.VACUUM FLUORESCENT DISPLAY TEST MODE* All fluorescent segments are tested.When this test is activated, all segments light on at the sametime, then each segment lights on one after another.* Procedure:While depressing the MOVIE and the buttons simultaneously,press the ?/1 button to

33、turn on the main power.1.ALL segments light on.2CH, A.F.D., MOVIE, MUSIC and MULTI CHANNEL DE-CODING LED light on.2.Press the VIDEO 1 button, confirm display.A.F.D. and MUSIC LED light on.3.Press the VIDEO 1 button, confirm display.2CH, MOVIE and MULTI CHANNEL DECODING LED lighton.4.Press the VIDEO

34、1 button, all segments and all LEDs light off.5.Every pressing the VIDEO 1 button turns on each segment andLED one after another in the same order.(Not only the VIDEO 1 button, but also the other buttons suchas VIDEO 2, DVD, MD/TAPE, CD and TUNER FM/AM canbe used.)SOUND FIELD CLEAR MODE* The preset

35、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 2CH button, press the ?/1 button to turnon the main power.The message “SF. CLR.” appears for a moment and initializa-tion is performed.SO

36、FTWARE VERSION DISPLAY MODE* The software version is displayed.* Procedure:While depressing the FM MODE and the DISPLAY buttons si-multaneously, press the ?/1 button to turn on the main power.The model name, destination and the software version are dis-played for a moment.KEY CHECK MODE* Button chec

37、k* Procedure:While depressing the TUNER FM/AM and the A.F.D. buttonssimultaneously, press the ?/1 button to turn on the main power.Either the message “REST 26” (STR-DE497P) or “REST 25”(STR-K4800P/K5800P) appears.Every pressing of any button other than the ?/1 counts downthe buttons. The buttons whi

38、ch are already counted once are notcounted again. When all buttons are pressed “REST 00” appears.AUTOBETICAL MODE (AEP, UK model only)* When this mode is used, the receiver scans the broadcasts thatcan be received by the tuner, and sets up the broadcasts.Be sure to start scanning after connecting th

39、e antenna.* Procedure:Check that the antenna is connected.While depressing the MEMORY button, press the ?/1 buttonto turn on the main power.The message “AUTO-BETICAL SELECT” appears for a mo-ment and the receiver starts scanning.COMMAND MODE SELECTION MODE* The command mode (AV1 or AV2) of the remot

40、e commandercan be selected.* Procedure:While depressing the ENTER button, press the ?/1 button toturn on the main power.Either the message “C.MODE.AV 1” or “C.MODE.AV 2” ap-pears for a moment and select the desired mode.LSWCRSLSSRSBLSBSBRLFESP A SP B SLEEP OPT COAX MULTI CH IN 96/24DIGITALEXPRO LOGI

41、C II x DTS-ESNEO:6 MPEG-2 AAC RDSD.RANGE EQ STEREO MONODDDDdBkHzmft.MHzMEMORYDIRECTLSWRSSBLFESP A SP B SLEEP OPT COAX MULTI CH IN 96/24DIGITALEXPRO LOGIC II x DTS-ESNEO:6 MPEG-2 AAC RDSD.RANGE EQ STEREO MONODDDDdBkHzmft.MHzMEMORYDIRECTCSLSRSBLSBRSP A SP B SLEEP OPT COAX MULTI CH IN 96/24DIGITALEXPRO

42、 LOGIC II x DTS-ESNEO:6 MPEG-2 AAC RDSD.RANGE EQ STEREO MONODDDDkHzmft.MHzMEMORYDIRECTSTR-DE497P/K4800P/K5800P1515STR-DE497P/K4800P/K5800PSECTION 4DIAGRAMS4-1. CIRCUIT BOARDS LOCATIONPOWER boardSTANDBY boardVIDEO boardDIGITAL boardMAIN boardTUNING boardDISPLAY boardTHIS NOTE IS COMMON FOR PRINTED WI

43、RINGBOARDS AND SCHEMATIC DIAGRAMS.(In addition to this, the necessary note isprinted in each block.)for schematic diagram: All capacitors are in F unless otherwise noted. (p: pF)50 WV or less are not indicated except for electrolyticsand tantalums. All resistors are in and 1/4 W or less unless other

44、wisespecified.f: internal component. 2 : nonflammable resistor. 5 : fusible resistor. C : panel designation. A : B+ Line. B : B Line. Voltage and waveforms are dc with respect to groundunder no-signal (detuned) conditions.no mark : FM Voltages are taken with a VOM (Input impedance 10 M).Voltage vari

45、ations may be noted due to normal produc-tion tolerances. Waveforms are taken with a oscilloscope.Voltage variations may be noted due to normal produc-tion tolerances. Circled numbers refer to waveforms. Signal path.F: TUNER (FM/AM)L: VIDEO (AUDIO)I : VIDEOJ: CD (ANALOG)c: CD (DIGITAL) AbbreviationC

46、ND: Canadian model.for printed wiring boards: X : parts extracted from the component side.f: internal component.: Pattern from the side which enables seeing.Caution:Pattern face side: Parts on the pattern face side seen from the(Side B)pattern face are indicated.Parts face side:Parts on the parts fa

47、ce side seen from the(Side A)parts face are indicated.CBThese are omitted.EQBThese are omitted.CQQEBCE AbbreviationCND: Canadian model.Note:The components identi-fied by mark 0 or dottedline with mark 0 are criti-cal for safety.Replace only with partnumber specified.Note:Les composants identifis par

48、une marque 0 sont critiquespour la scurit.Ne les remplacer que par unepice portant le numrospcifi. Waveforms (DIGITAL Board)3.4Vp-p1IC1101 qd (CKOUT)1V/DIV 50nsec/DIV12.288MHz3.4Vp-p2IC1101 qf (BCK)1V/DIV 0.2sec/DIV3.07MHz3.2Vp-p3IC1101 wa (XOUT)1V/DIV 50nsec/DIV12.288MHz4.4Vp-p4IC1501 el (MCLKI)1V/

49、DIV 50nsec/DIV12.288MHz3.4Vp-p5IC1201 qs (MCLK2)1V/DIV 50nsec/DIV13.59MHz3.4Vp-p6IC1201 qf (SCKOUT)1V/DIV 50nsec/DIV12.288MHz2.5Vp-p7IC1601 id (X1)1V/DIV 50nsec/DIV16MHzSTR-DE497P/K4800P/K5800P1616STR-DE497P/K4800P/K5800P4-2. BLOCK DIAGRAM TUNER/AUDIO SECTION 48060R-CHR-CHR-CHJ402 (1/2)J403J404 (1/2

50、)J401-5L-6RINCDINMD/TAPEDVDFM 75COAXIALAMANTENNATU+10VTN1FM/AM TUNER UNITTU+3.3V+10VL CHR CHSTEREOTUNEDMUTECERDS SIGNALRDS DATARDS CLOCKSTEREOTUNEDMUTESLATCHDOFM OUTRDS DATARDS INTSTEREOTUNEDMUTECECLKDATATU-DODATACLKLATCH-VOL ICWOOFER RELAYST-DO/MC-DIST-DI/MC-DOCLKDE497PDE497PSTEREOTUNEDMUTECETU-DOD