Pioneer-VSX52TX-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 2004MASTER VOLUMEDVD/LDTV/SATDVR/VCRVIDEO1CDCD-R/TAPE/MDSTANDBY/ONMULTI JOGTUNERVIDEO2VSX-52TXAUDIO/VIDEO MULTI-CHANNEL RECEIVER?LISTENING MODESELECTENTER VSX-52TX RRV2977 AUDIO/VIDEO MULTI-CHANNEL RECEIVER VSX-52TX VSX-1014TX-K THIS MANUAL IS APPLICABLE TO THE FOL

3、LOWING MODEL(S) AND TYPE(S). ModelTypePower RequirementRemarks VSX-52TXKUXJ/CAAC120VVSX-1014TX-KKUXJCAC120VFor details, refer to Important symbols for good services. T-ZZR JUNE 2004 printed in JapanRadioFans.CN 收音机爱 好者资料库 VSX-52TX212341234CDFABE SAFTY INFORMATIONThis service manual is intended for q

4、ualified service technicians; it is not meant for 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

5、the safety and reliability of the product and mayvoid 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 el

6、ectrical parts contain chemicals which are known 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

7、 replacementparts must be of identical designation.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

8、ARE INDICATIVEOF A POTENTIAL SHOCK HAZARD ANDMUST 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

9、 afforded by them necessarily can be obtainedby 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 schemat

10、ics andon the parts list in this Service Manual.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 continu

11、ously under review and newinstructions are issued 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 PRECAUTION

12、SThe following check should be performed for thecontinued 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

13、ground and all exposedmetal parts of the appliance (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.DeviceundertestLeakagecur

14、renttesterEarthgroundReading shouldnot be above0.5 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-52TX356785678CDFABE CONTENTS SAFTY INFORMATION.21. SPECIFICATIONS.52. EXPLODED VIEWS AND PARTS LIST.62.1 PACKING.6

15、2.2 EXTERIOR SECTION .82.3 CHASSIS SECTION.102.4 REAR PANEL SECTION .122.5 HEAT SINK SECTION.142.6 FRONT PANEL SECTION.163. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM .183.1 BLOCK DIAGRAM.183.1.1 AUDIO SECTION.183.1.2 VIDEO and DISPLAY SECTIONS.203.1.3 DSP SECTION.223.1.4 POWER SUPPLY SECTION.243.2 OVERALL

16、 WIRING DIAGRAM .263.3 MULTI CH I/O and AUDIO CONNECT ASSYS .283.4 COMPOSITE V ASSY .303.5 S VIDEO ASSY.323.6 COMPONENT ASSY.343.7 OPTICAL-IN,H.P,FRONT-IN,FRONT-IN CONNECT and 12VTRIG ASSYS.363.8 MAIN CONTROL ASSY (1/3).383.9 MAIN CONTROL ASSY (2/3).403.10 MAIN CONTROL ASSY (3/3).423.11 DSP ASSY (1/

17、2) .443.12 DSP ASSY (2/2) .463.13 VOLUME, DISPLAY and MULTI JOG ASSYS.483.14 POWER AMP IN and POWER PROTECT ASSYS .503.15 POWER AMP-L and POSI 1 L ASSYS.523.16 POWER AMP-R and POSI 1 R ASSYS .543.17 REGULATOR ASSY .563.18 TRANS 2-1, TRANS 2-2, DIODE, VH TR and SP/PS ASSYS.58 Important symbols for go

18、od services In this manual, the symbols shown-below indicate that adjustments, settings or cleaning should be made securely.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 specific

19、ation confirmation is indispensable. In accordance with the procedures or instructions described in this manual, adjustments 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

20、be performed to restore their performances. 5. Lubricants, glues, and replacement partsAppropriately applying grease or 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,

21、 be sure to apply theprescribed grease or glue to proper portions by the appropriate amount.For replacement parts or tools, 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 shou

22、ld be set orthe shipping screws should be installed before shipping out in accordance with this manual, if necessary.1. 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

23、 the safety instructions described in this manual. VSX-52TX412341234CDFABE 3.19 REAR TOP, TRANS SIDE, TRANS 1 and PRIMARY ASSYS.604. PCB CONNECTION DIAGRAM .624.1 MULTI CH I/O ASSY.634.2 AUDIO CONNECT ASSY .644.3 COMPOSITE V ASSY.654.4 S VIDEO ASSY.664.5 VIDEO SIDE and OPTICAL-IN ASSYS .674.6 COMPON

24、ENT ASSY.684.7 FRONT IN and FRONT-IN CONNECT ASSYS.694.8 MAIN CONTROL ASSY.704.9 DISPLAY ASSY.744.10 HEADPHONE, VOLUME and MULTI JOG ASSYS.764.11 POWER AMP IN ASSY.784.12 12V TRIGGER ASSY.794.13 DSP ASSY.804.14 POWER PROTECT, POWER AMP-L and POSI 1 L ASSYS.824.15 POWER AMP-R and POSI 1 R ASSYS.864.1

25、6 REGULATOR ASSY.904.17 SP / PS ASSY.944.18 TRANS 2-1, DIODE and VH TR ASSYS.964.19 TRANS SIDE ASSY.984.20 TRANS 2-2, TRANS 1 and PRIMARY ASSYS.1004.21 REAR TOP ASSY .1025. PCB PARTS LIST .1036. ADJUSTMENT .1137. GENERAL INFORMATION.1147.1 DIAGNOSIS.1147.1.1 PROTECTION CIRCUIT CONTROL SPECIFICATION.

26、1147.1.2 HOW TO DIAGNOSE THE AMPLIFIER SECTION .1167.1.3 HOW TO DIAGNOSE THE UNIT WITH THE POWER AMPLIFIER SECTION REMOVED .1177.1.4 DISASSEMBLY.1207.1.5 TROUBLE SHOOTING OF THE DSP ASSY.1247.2 PARTS.1337.2.1 IC.1337.3 CLEANING.1428. PANEL FACILITIES .1438.1 FRONT PANEL .1438.2 DISPLAY .1458.3 REMOT

27、E CONTROL UNIT.147 VSX-52TX556785678CDFABE 1. SPECIFICATIONSSpecificationsAmplifier sectionContinuous average power output of 110 watts* per channel, min., at 8 ohms, from 20 Hz to 20,000 Hz with no more than 0.09%* total harmonic distortion (front).Continuous Power OutputFront .110 W + 110 W (20 Hz

28、-20 kHz, 0.09%)Center .110 W (20 Hz-20 kHz, 0.09%) Surround .110 W + 110 W (20 Hz-20 kHz, 0.09%) Surround back .110 W + 110 W (20 Hz-20 kHz, 0.09%) Audio SectionInput (Sensitivity/Impedance)LINE . 335 mV/47 kFrequency ResponseLINE . 5 Hz to 100,000 Hz dBOutput (Level/Impedance)REC . 335 mV/2.2kTone

29、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)LINE .103 dB Signal-to-Noise Ratio EIA, at 1W (1kHz)LINE .83 dB * Measured pursuant to the Federal Trade Commissions Trade Regulation ru

30、le on Power Output Claims for Amplifiers* Measured by Audio Spectrum AnalyzerComposite Video / S-Video SectionInput (Sensitivity/Impedance) .1 Vp-p/75 Output (Level/Impedance) .1 Vp-p/75 Signal-to-Noise Ratio . 65 dB Frequency Response . 5 Hz to 10 MHz dBComponent Video SectioInput (Sensitivity/Impe

31、dance) .1 Vp-p/75 Output (Level/Impedance) .1 Vp-p/75 Signal-to-Noise Ratio . 65 dB Frequency Response . 5 Hz to 40 MHz dBFM Tuner SectioFrequency Range . 87.5 MHz to 108 MHzUsable Sensitivity . Mono: 13.2 dBf, IHF (1.3 V/75)50 dB Quieting Sensitivity . Mono: 20.2 dBfStereo:38.6 dBfSignal-to-Noise R

32、atio . 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 15 kHz 1dBAntenna Input . 75 unbalanced AM Tuner SectioFrequency Range . 530 kHz to 1,700 kHzSensitivi

33、ty (IHF, Loop antenna) . 350 V/mSelectivity . 25 dB Signal-to-Noise Ratio . 50 dBAntenna . Loop antennaMiscellaneousPower Requirements . AC 120 V, 60 HzPower Consumption . 480 W, 630 VAIn standby . 0.43 WAC Outlet . (switched) 100 W MAX. Dimensions . 420 (W) x 173 (H) x 465 (D) mm (16 9/16 (W) x 6 1

34、3/16 (H) x 18 5/16 (D) in.)Weight (without package) .15.5 kg (34.2 lb)Furnished PartsMicrophone (for Auto MCACC setup) .1 Microphone stand .1 AA/LR6 dry cell batteries . 2 Remote control .1AM loop antenna .1FM wire antenna .1Warranty card .1These operating instructions .1 Note Specifications and the

35、 design are subject to possible modifications without notice, due to improvements.Cleaning the uni Use a polishing cloth or dry cloth to wipe off dust and dirt. When the surface is dirty, wipe with a soft cloth dipped in some neutral cleanser diluted five or six times with water, and wrung out well,

36、 and then wipeagain with a dry cloth. Do not use furniture wax or cleansers. Never use thinners, benzine, insecticide sprays or other chemicals on or near this unit, since these willcorrode the surface.http:/getMANUAL.com VSX-52TX612341234CDFABE 2. EXPLODED VIEWS AND PARTS LIST 2.1 PACKINGParts mark

37、ed by NSP are generally unavailable because they are not in our Master Spare Parts List.The mark found on some component parts 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 use

38、d for disassembly. For the applying amount of lubricants or glue, follow the instructions in this manual.(In the case of no amount instructions, apply as you think it appropriate.)NOTES:867516312412141513109AccessoriesAM Loop Antenna(ATB7013)Remote Control Unit( AXD7381 )Microphone for AutoSurround

39、Sound Setup(APM7004)Microphone Stand for AutoSurround Sound Setup(AEB7269)FM Wire Antenna(ADH7030)AA IEC LR6 batteriesOperating Instructions(VSX-52TX : ARB7302)(VSX-1014TX-K : ARB7305)AUDIO/VIDEO MULTI-CHANNEL RECEIVERVSX-52TXOperating Instructions+10INPUT ATTFL DIMMERSRDISCRECEIVERMULTI CONTROLSOUR

40、CEINPUTSELECTENTERTV CONTROLRECEIVER CONTROLSHIFTVOLDVD/LDTV/SATDVR/VCRTV CONTCDTUNETUNESTSTTHXSLEEPDIALOG EAUTO SURRSTANDARDADV.SURRSTEREOINPUTSELECTTV CHDTV ON/OFFTUNERDISPLAYMPXAUDIOCH RETURNSUBTITLEMIDNIGHT/LOUDNESSSIGNALSELECTEFFECT/CH SELACOUSTICEQDTV INFORECMUTETV VOLCD-R/TAPETUNERRECEIVERENT

41、ERREC STOPHDDCHCHDVDD.ACCESSTOP MENUDTV MENUCLASSMENUBANDRETURNGUIDET.EDITSYSTEMSETUPRECEIVER VSX-52TX756785678CDFABE (1) PACKING parts List(2) CONTRAST TABLE VSX-52TX/KUXJ/CA and VSX-1014TX-K/KUXJC are constructed the same except for the following: Mark No.DescriptionPart No. 1MicrophoneAPM7004 for

42、 Auto Surround Sound Setup 2Microphone StandAEB7269 for Auto Surround Sound Setup 3FM Wire AntennaADH7030 4AM Loop AntennaATB7013 5Caution Sheet SP,EARM7083 NSP 6Warranty Card 106See Contrast table (2) 7Operating Instructions (English) See Contrast table (2) NSP 8Literature BagAHG1180 9Remote Contro

43、l UnitAXD7381 10Battery CoverXZN3140 11 NSP 12AA IEC LR6 batteriesVEM1023 13Front Pad V1AHA7428 14Rear Pad V1AHA7429 15Packing SheetRHC1023 16Packing CaseSee Contrast table (2) Mark No.DescriptionPart No. MarkNo.Symbol and Description VSX-52TX/KUXJ/CAVSX-1014TX-K/KUXJCNSP6Warranty CardARY7007ARY7045

44、7Operating Instructions (English)ARB7302ARB730516Packing Case 52KUAHD8255Not used16Packing Case 1014KUNot usedAHD8256 VSX-52TX812341234CDFABE 2.2 EXTERIOR SECTIONCONTACT SIDENON-CONTACT SIDERefer to2.6 FRONT PANEL SECTION.911111111111144266510103Refer to2.3 CHASSIS SECTION.11710101110815111111111111

45、111111111111 VSX-52TX956785678CDFABE (1) EXTERIOR SECTION parts List Mark No.DescriptionPart No. 1Bonnet Case V1BAZN7980 2Left BeamANG7401 3Center BeamANG7482 4InsulatorPNW2766 5Spacer (4.5 x 10 x 20)AEB7355 6Spacer 45B (6 x 7 x 13)AEB7264 7Nyron RivetAEC7408 8Label (DD/DTS/THX)ARW7281 NSP 9Energy S

46、tar LabelAAX8022 10ScrewBBZ40P080FZK 11ScrewBBZ30P080FCC 12 VSX-52TX1012341234CDFABE 2.3 CHASSIS SECTIONCONTACT SIDENON-CONTACT SIDEAADBCIEFDFECBIHHYXZAEADAFABAARefer to2.4 REAR PANEL SECTION.Refer to2.5 HEATSINK SECTION.1914323213162612303030321510291131288313232323232323232323232333232323217183131

47、432651032193232323232323232Screw Cover(Accessory of Panel Base V1B)23222523724322527VSX-52TXOnly202721 VSX-52TX1156785678CDFABE (1) CHASSIS SECTION parts List(2) CONTRAST TABLE VSX-52TX/KUXJ/CA and VSX-1014TX-K/KUXJC are constructed the same except for the following: Mark No.DescriptionPart No. 1PRI

48、MARY AssyAWX8384 2SP/PS AssyAWX8373 3DIODE AssyAWX8376 4TRANS 2-1 AssyAWX8372 5TRANS 2-2 AssyAWX8371 6TRANS 1 AssyAWX8383 7VH TR AssyAWX8411 8TRANS SIDE AssyAWX8417 9Fuse (FU1 : 10A)VEK1029 10Fuse (FU4, 5 : 2.5A)REK1112 11Power Transformer (T1501)ATS7374 12Power CableVDG1075 13Flexible Cable (12P)AD

49、D7477 14Primary Angle 56ANG7526 15DSP Shield A V1ANG7479 16Cord StopperCM-22C 17Under Beam V1AND7478 18Trans. Frame 45ANG7399 NSP 19Panel Stay V1AND7066 20Stabilizer 45See Contrast table (2)21Screw Cover 45AAEC7414 NSP 22Under BaseSee Contrast table (2) 23PCB MoldAMR2534 24Locking Card SpacerPNW2917

50、 25Card SpacerDNK2769 26Wire Saddle 5SAEC7500 27Push RivetAEC7370NSP 28Binder (BK-1)ZCA-BK1NSP 29Trans. Label V1AAX8052 30ScrewIBZ30P150FCC31ScrewABA710932ScrewBBZ30P080FCC33Deco ScrewABA7060 Mark No.DescriptionPart No. MarkNo.Symbol and Description VSX-52TX/KUXJ/CAVSX-1014TX-K/KUXJC20Stabilizer 45A