Pioneer-VSX45TX-avr-sm 维修电路原理图.pdf

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1、 ORDER NO.PIONEER CORPORATION 4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, JapanPIONEER ELECTRONICS (USA) INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A.PIONEER EUROPE NV Haven 1087, Keetberglaan 1, 9120 Melsele, BelgiumPIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Si

2、ngapore 159936 PIONEER CORPORATION 2002STANDBY/ONMOVIEMUSICMULTI JOGENTERSTEREO/DIRECTMULTI CH INMASTER VOLUMEACOUSTIC EQSTANDBYMULTI CHANNNELACOUSTIC CALIBRATIONVSX-45TXAUDIO/VIDEO MULTI-CHANNEL RECEIVERPHONESSPEAKERSSIGNALSELECTSB CHMODEHI-BITHI-SAMPLINGSETUPMICDIGITAL INS-VIDEOVIDEOVIDEO INPUTAUD

3、IOLRSET UPRETURNTONETONE CONTROLBASS/TREBLECLASSBANDSTATION TUNINGMULTI ROOMMULTI JOG/ENTERCONTROLON/OFF& SOURCEMULTI JOG CONTROLSELECTTUNEREDIT VSX-45TX RRV2635 AUDIO/VIDEO MULTI-CHANNEL RECEIVER VSX-45TX VSX-43TX THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S). ModelTypePower Requi

4、rementRemarks VSX-45TXKUXJI/CAAC120VVSX-43TXKUXJI/CAAC120VFor details, refer to Important symbols for good services . T-ZZK JULY 2002 printed in JapanRadioFans.CN 收音机爱 好者资料库 VSX-45TX212341234CDFABE SAFTY INFORMATIONThis service manual is intended for qualified service technicians; it is not meant fo

5、r the casualdo-it-yourselfer. Qualified technicians have the necessary test equipment and tools, and have beentrained to properly and safely repair complex products such as those covered by this manual.Improperly performed repairs can adversely affect the safety and reliability of the product and ma

6、yvoid the warranty. If you are not qualified to perform the repair of this product properly and safely, youshould not risk trying to do so and refer the repair to a qualified service technician.WARNINGThis product contains lead in solder and certain electrical parts contain chemicals which are known

7、 to the state of California tocause cancer, birth defects or other reproductive harm. Health & Safety Code Section 25249.6 Proposition 65NOTICE(FOR CANADIAN MODEL ONLY)Fuse symbols (fast operating fuse) and/or (slow operating fuse) on PCB indicate that replacementparts must be of identical designati

8、on.REMARQUE(POUR MODLE CANADIEN SEULEMENT)Les symboles de fusible (fusible de type rapide) et/ou (fusible de type lent) sur CCI indiquent queles pices de remplacement doivent avoir la mme dsignation.ANY MEASUREMENTS NOT WITHIN THELIMITS OUTLINED ABOVE ARE INDICATIVEOF A POTENTIAL SHOCK HAZARD ANDMUS

9、T BE CORRECTED BEFORE RETURN-ING THE APPLIANCE TO THE CUSTOMER.2. PRODUCT SAFETY NOTICEMany electrical and mechanical parts in the appliancehave special safety related characteristics. These areoften not evident from visual inspection nor theprotection afforded by them necessarily can be obtainedby

10、using replacement components rated for voltage,wattage, etc. Replacement parts which have thesespecial safety characteristics are identified in thisService Manual.Electrical components having such features areidentified by marking with a on the schematics andon the parts list in this Service Manual.

11、The use of a substitute replacement component whichdoes not have the same safety characteristics as thePIONEER recommended replacement one, shown in theparts list in this Service Manual, may create shock, fire,or other hazards.Product Safety is continuously under review and newinstructions are issue

12、d from time to time. For the latestinformation, always consult the current PIONEERService Manual. A subscription to, or additional copiesof, PIONEER Service Manual may be obtained at anominal charge from PIONEER.(FOR USA MODEL ONLY)1. SAFETY PRECAUTIONSThe following check should be performed for the

13、continued protection of the customer and servicetechnician.LEAKAGE CURRENT CHECKMeasure leakage current to a known earth ground(water pipe, conduit, etc.) by connecting a leakagecurrent tester such as Simpson Model 229-2 orequivalent between the earth ground and all exposedmetal parts of the applian

14、ce (input/output terminals,screwheads, metal overlays, control shaft, etc.). Plugthe AC line cord of the appliance directly into a 120VAC 60 Hz outlet and turn the AC power switch on. Anycurrent measured must not exceed 0.5 mA.DeviceundertestLeakagecurrenttesterEarthgroundReading shouldnot be above0

15、.5 mAAlso test withplug reversed(Using AC adapterplug as required)Test allexposed metalsurfacesAC Leakage TestRadioFans.CN 收音机爱 好者资料库 VSX-45TX356785678CDFABE Important symbols for good services In this manual, the symbols shown-below indicate that adjustments, settings or cleaning should be made sec

16、urely.When you find the procedures bearing any of the symbols, be sure to fulfill them:2. AdjustmentsTo keep the original performances of the product, optimum adjustments or specification confirmation is indispensable. In accordance with the procedures or instructions described in this manual, adjus

17、tments should be performed.3. CleaningFor optical pickups, tape-deck heads, lenses and mirrors used in projection monitors, and other parts requiring cleaning,proper cleaning should be performed to restore their performances. 5. Lubricants, glues, and replacement partsAppropriately applying grease o

18、r glue can maintain the product performances. But improper lubrication or applying glue may lead to failures or troubles in the product. By following the instructions in this manual, be sure to apply theprescribed grease or glue to proper portions by the appropriate amount.For replacement parts or t

19、ools, the prescribed ones should be used.4. Shipping mode and shipping screwsTo protect the product from damages or failures that may be caused during transit, the shipping mode should be set orthe shipping screws should be installed before shipping out in accordance with this manual, if necessary.1

20、. Product safetyYou should conform to the regulations governing the product (safety, radio and noise, and other regulations), and should keep the safety during servicing by following the safety instructions described in this manual. VSX-45TX412341234CDFABE CONTENTS SAFTY INFORMATION .21. SPECIFICATI

21、ONS .52. EXPLODED VIEWS AND PARTS LIST.62.1 PACKING .62.2 EXTERIOR SECTION.82.3 REAR PANEL SECTION.102.4 HEAT SINK SECTION.122.5 FRONT PANEL SECTION .143. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM.163.1 AUDIO BLOCK DIAGRAM.163.2 DSP BLOCK DIAGRAM.183.3 VIDEO AND POWER AMP BLOCK DIAGRAM .203.4 OVERALL WIRI

22、NG DIAGRAM.223.5 FM/AM TUNER MODULE.243.6 7.1CH I/O, V-AUDIO IN, FRONT IN and OPTICAL IN ASSYS .263.7 INPUT CONNECT and COAXIAL IN ASSYS .283.8 VIDEO ASSY .303.9 COMPONENT and RS232C ASSYS.323.10 MAIN CONTROL ASSY (1/3).343.11 MAIN CONTROL ASSY (2/3).363.12 MAIN CONTROL ASSY (3/3).383.13 MIC & F.OPT

23、 IN, MIC AMP and DSP CONNECTION ASSYS .403.14 POWER AMP IN, FAN DRIVE and FAN CONNECTION ASSYS.423.15 DSP ASSY (1/2).443.16 DSP ASSY (2/2).463.17 DISPLAY ASSY.483.18 VOLUME, MULTI JOG and HEADPHONE ASSYS.503.19 REGULATOR ASSY.523.20 POWER AMP-L ASSY.543.21 POWER AMP-R and POWER AMP-C ASSYS.563.22 SP

24、/PS, DIODE, TRANS 2-1 and VH TR ASSYS.583.23 TRANS 2-2, TRANS 1 and PRIMARY ASSYS.604. PCB CONNECTION DIAGRAM .624.1 FM/AM TUNER MODULE.634.2 7.1CH I/O ASSY .644.3 V-AUDIO IN ASSY.654.4 FRONT IN, OPTICAL IN and INPUT CONNECT ASSYS.664.5 COAXIAL IN ASSY .684.6 VIDEO ASSY .694.7 MAIN CONTROL and RS232

25、C ASSYS.704.8 MIC & F. OPT IN, MIC AMP and DSP CONNECTION ASSYS .744.9 POWER AMP IN ASSY.764.10 FAN DRIVE and FAN CONNECTION ASSYS.774.11 DSP ASSY.784.12 DISPLAY, VOLUME, MULTI JOG and HEADPHONE ASSYS .804.13 REGULATOR and COMPONENT ASSYS.844.14 POWER AMP L and POWER AMP C ASSYS.884.15 POWER AMP R A

26、SSY.924.16 SP/PS ASSY.964.17 DIODE, TRANS 2-1 and VH TR ASSYS.984.18 TRANS 2-1, TRANS 1 and PRIMARY ASSYS.1005. PCB PARTS LIST .1026. ADJUSTMENT .1157. GENERAL INFORMATION.1167.1 DIAGNOSIS.1167.1.1 PROTECTION CIRCUIT CONTROL SPECIFICATION .1167.1.2 DIAGNOSTICS OF AMPLIFIER SECTION .1187.1.3 TROUBLE

27、SHOOTING .1197.1.4 DISASSEMBLY.1247.2 PARTS.1277.2.1 IC .1277.2.2 DISPLAY .1417.3 CLEANING.1438. PANEL FACILITIES .145 VSX-45TX556785678CDFABE 1. SPECIFICATIONSAmplifier SectionContinuous average power output of 100 watts per channel, min., at 8 ohms, from 20 Hz to 20,000 Hz with no more than 0.09 %

28、 total harmonic distortion (front).Continuous Power OutputFront.100 W +100 W (20 Hz 20 kHz, 0.09 %, 8 )Center.100 W +100 W (20 Hz 20 kHz, 0.09 %, 8 )Surround.100 W +100 W (20 Hz 20 kHz, 0.09 %, 8 )Surround Back .100 W +100 W (20 Hz 20 kHz, 0.09 %, 8 )Input (Sensitivity/Impedance)PHONO MM (VSX-45TX).

29、4.7 mV/47 kVCR 1/DVR, VCR 2, DVD/LD, TV/SAT, VIDEO, CD,CD-R/TAPE 1, MD/TAPE 2.335 mV/47 kFrequency ResponsePHONO MM (VSX-45TX).20 Hz to 20,000 Hz 0.3 dBVCR 1/DVR, VCR 2, DVD/LD, TV/SAT, VIDEO, CD,CD-R/TAPE 1, MD/TAPE 2.5 Hz to 100,000 Hz dBOutput (Level/Impedance)VCR 1/DVR REC, VCR 2 REC, CD-R/TAPE

30、1,MD/TAPE 2 REC.335 mV/2.2 kTone ControlBASS. 6 dB (100 Hz)TREBLE. 6 dB (10 kHz)LOUDNESS.+4/+2 dB (100Hz/10 kHz)(at volume position -40dB)Signal-to-Noise Ratio (IHF, short circuited, A network)VCR 1/DVR, VCR 2, DVD/LD, TV/SAT, VIDEO, CD,CD-R/TAPE 1, MD/TAPE 2, MULTI CH IN.101 dBSignal-to-Noise Ratio

31、 EIA, at 1 W (1 kHz)VCR 1/DVR, VCR 2, DVD/LD, TV/SAT, VIDEO, CD,CD-R/TAPE 1, MD/TAPE 2.83 dBMeasured pursuant to the Federal Trade Commissions Trade Regulation rule on Power Output Claims for Amplifiers. Measured by Audio Spectrum Analyzer.VIDEO Section (S jack)Input (Sensitivity/Impedance)VCR 1/DVR

32、, VCR 2, VIDEO, DVD/LD, TV/SATLuminance signal (Y).1 Vp-p/75 Chrominance signal (C).0.286 Vp-p/75 Output (Level/Impedance)VCR 1/DVR, VCR 2, MONITOR OUTLuminance signal (Y).1 Vp-p/75 Chrominance signal (C).0.286 Vp-p/75 Frequency ResponseVCR 1/DVR, VCR 2, VIDEO, DVD/LD, TV/SAT Luminance signal (Y).5

33、Hz to 10 MHz dBSignal-to-Noise Ratio Luminance signal (Y).65 dBComponent Video SectionInput (Sensitivity)Y.1 Vp-p/75 PB/PR.0.7 V/75 Output (Level/Impedance)Y.1 Vp-p/75 PB/PR.0.7 V/75 Frequency ResponseY.5 Hz to 40 MHz dBPB/PR.5 Hz to 40 MHz dBVIDEO Section (Composite)Input (Sensitivity/Impedance)VCR

34、 1/DVR, VCR 2, VIDEO, DVD/LD, TV/SAT.1 Vp-p/75 Output (Level/Impedance)VCR 1/DVR, VCR 2, MONITOR OUT,MONITOR OUT2.1 Vp-p/75 Frequency ResponseVCR 1/DVR, VCR 2, TV/SAT, DVD/LDVIDEOMONITOR OUT,.5 Hz to 10 MHz dBSignal-to-Noise Ratio.65 dBFM Tuner SectionFrequency Range.87.5 MHz to 108 MHzUsable Sensit

35、ivity.Mono: 13.2 dBf, IHF (1.3 V/75 )50 dB Quieting Sensitivity.Mono: 20.2 dBfStereo: 38.6 dBfSignal-to-Noise Ratio.Mono: 73 dB (at 85 dBf)Stereo: 70 dB (at 85 dBf)Distortion.Stereo: 0.5 % (1 kHz)Alternate Channel Selectivity.60 dB (400 kHz)Stereo Separation.40 dB (1 kHz)Frequency Response.30 Hz to

36、15 kHz ( 1) dBAntenna Input.75 unbalancedAM Tuner SectionFrequency Range.530 kHz to 1,700 kHzSensitivity (IHF, Loop antenna).350 V/mSelectivity.25 dBSignal-to-Noise Ratio.50 dBAntenna.Loop antennaMiscellaneousPower Requirements.AC 120 V, 60 HzPower Consumption.600 WPower Consumption in Standby mode

37、(VSX-45TX).0.8 WPower Consumption in Standby mode (VSX-43TX).0.6 WAC Outlet SWITCHED.100 W (0.8 A) MAXDimensions.420 (W) 188 (H) 464 (D) mm(16-9/16 (W) 7-7/16 (H) 18-5/16 (D) in.)Weight (without package) (VSX-45TX).18.8 kg (41 lb 8 oz)Weight (without package) (VSX-43TX).17.3 kg (38 lb 3 oz)Furnished

38、 PartsFM wire Antenna.1 AM loop Antenna.1AA IEC LR6 batteries.4Remote Control Unit .1Microphone for Auto Surround Sound Setup.1Microphone Stand for Auto Surround Sound Setup.1Operating Instructions.1+03+03+03+03+03Lucasfilm and THX are trademarks or registered trademarks of Lucasfilm, Ltd. & TM. Sur

39、round EX is a jointly developed technology of THX and Dolby Laboratories, and is a trademark of Dolby Laboratories. All rights reserved. Used under authorization.Manufactured under license from Dolby Laboratories. “Dolby”, “Pro Logic”, “Surround EX” and double-D symbol are trademarks of Dolby Labora

40、tories.DTS, DTS-ES Extended Surround and Neo:6 are trademarks of Digital Theater Systems, Inc. VSX-45TX612341234CDFABE 2. EXPLODED VIEWS AND PARTS LIST 2.1 PACKINGParts marked by NSP are generally unavailable because they are not in our Master Spare Parts List.The mark found on some component parts

41、indicates the importance of the safety factor of the part.Therefore, when replacing, be sure to use parts of identical designation.Screws adjacent to mark on product are used for disassembly. For the applying amount of lubricants or glue, follow the instructions in this manual.(In the case of no amo

42、unt instructions, apply as you think it appropriate.)NOTES:867516VSX-45TX OnlyVSX-45TX Only31241211141513109AccessoriesAM Loop Antenna(ATB7009)Remote Control Unit(VSX-45TX : AXD7325)Remote Control Unit(VSX-43TX : AXD7328)Microphone for AutoSurround Sound Setup(APM7004)Microphone Stand for AutoSurrou

43、nd Sound Setup(AEB7269)FM Wire Antenna(ADH7004)Dry Cell Battery(LR6, AA)VSX-45TX OnlyVSX-45TX OnlyOperating Instructions(VSX-45TX : ARB7257)(VSX-43TX : ARB7261)AUDIO/VIDEO MULTI-CHANNEL RECEIVERVSX-45TXOperating InstructionsOFFS0URCETVMULTI CONTROLSYSTEM RECEIVERDVD/LDTV/SATTV CONTVCR1/DVRVCR2VIDEOC

44、DMULTIOPERATIONDIMMERMD/TAPE2CD-R/TAPE1TUNERRECEIVER12LOUDNESSTONE34DNR5SIGNAL SELVIDEO SELHI-BIT6DIRECT ACCESS SEARCH MODE+10DISCENTER7EFFECT/CH SEL89BASS/TREBLE0SYSTEM SETUPTUNER EDITTRACKMENUGUIDETOP MENUREMOTE SETUPMPXAUDIOEXITRETURNENTERTUNINGSTATIONMODESURROUNDCHANNEL14DTV ON/OFFDISP MODETUNIN

45、G+CHANNEL+STATION837SUB TITLEBANDDTV MENU CLASSTV INPUTTV CONTROLTV CHTV VOLVOLUMEINPUTMIDNIGHTMULTI CHINPUTSTEREO/DIRECTMOVIEMUSICENTERMUTESB CHMODEACOUSTICEQSETUPSOURCEMULTI CONTROLRECEIVERMOVIEMUSICENTERMULTIOPERATIONSURROUNDMODESTEREO/DIRECTSYSTEMOFFACOUSTICEQSB CHMODEINPUTMIDNIGHTCHANNEL+CHANNE

46、L+DTV ON/OFF BANDDIMMERTONELOUDNESSEFFECT/CH SELSIGNAL SELBASS/TREBLEDISCDNRVIDEO SELSUB TITLEREMOTESETUPHI-BITD.ACCESSMPXTV CONTROLCLASSMUTEMENUTOP MENUTUNER EDITGUIDESYSTEMSETUPAUDIORETURNCHANNELVOLUMEINPUTSELECT+10MULTI CHINPUTRECEIVERSTTUNEMASTERVOLUMESTTUNEDVD/LDENTERENTER VCR 2TV/SATCDVCR/DVRT

47、V CONTTUNERRECEIVER VSX-45TX756785678CDFABE PACKING parts List(2) CONTRAST TABLE VSX-45TX/KUXJI/CA and VSX-43TX/KUXJI/CA are constructed the same except for the following: Mark No.DescriptionPart No. 1MIC AssySee Contrast table (2) 2MIC Stand 45See Contrast table (2) 3FM Wire AntennaADH7004 4AM Loop

48、 AntennaATB7009 5Caution Sheet SP,EARM7056 NSP 6Warranty Card ELARY7007 7Operating Instructions (English) See Contrast table (2) NSP 8Polyetylene BagZ21-038 (0.03*230*340) 9Remote Control UnitSee Contrast table (2) 10Battery CoverSee Contrast table (2) NSP 11Alkaline Dry Cell BatterySee Contrast tab

49、le (2) (LR6, AA) NSP 12Alkaline Dry Cell BatteryVEM1021 (LR6, AA) 13Front Pad 45AHA7374 14Rear Pad 45AHA7375 15Packing SheetRHC1023 16Packing CaseSee Contrast table (2) Mark No.DescriptionPart No. MarkNOSymbol and Description VSX-45TX/KUXJI/CAVSX-43TX/KUXJI/CA1MIC AssyAPM7004Not used2MIC Stand 45AEB

50、7269Not used7Operating Instructions (English)ARB7257ARB72619Remote Control Unit 45/KUAXD7325Not used9Remote Control Unit 43/KUNot usedAXD732810Battery CoverAZN7896AZN7424NSP11Alkaline Dry Cell Battery (LR6, AA)VEM1021Not used16Packing Case 45KUAHD8060Not used16Packing Case 43KUNot usedAHD8061 VSX-45