Pioneer XR-P740M, XR-P340M Safetyinformation, XR-P74M, XR-P64M, XR-P34M xR-P7 &, XR-pOaO, XR-P34

Page 2

XR-P74()M, XR-P64()M, XR-P34()M xR-P7 &, XR-pOaO, XR-P34()

CHAPTER1

1.1 SAFETYINFORMATION

This service manual is intended for quallfled service technicians; lt ls not meant tor the casual do-it-yourselfer. Oualified technicians have the necessary test equiprnent and tools, and have been trainedto properly and safely repaircomplexproductssuch as those coveredby this manual. lmproperly performed repairs can adverselyaftoct ths.satety and retiabilityof the product and may void the warranty,It you are not qualifiedto pertormths repairot thls product properlyand safely,you should not risk trying to do so and reterthe repairto a qualllledservlcetechniclan.

WARNING

Lead in 3oldor us6d in thlr ptoducl ir liltod by th. CeliforniaHcalth and Wcltaro agoncy aa a known .sproductivatoxicant which may cause birth defoct. or othor r.prcductive hetm (Calllo.nia Hoelth & Saf.ty Cod., Sectlon 25249.S).

Whsn s.rvicing o. handling circuit board. end oth.. compon.ht! which contein l..d in .old.r, .void unprotoctod !kin contact with

the 3oldor. Alao, when aold.rlng do not inhala eny amok. or lurnar produc.d.

NOTICE

(FORCANADIANMODELONLY)

Fusesymbols €S (last operatingfuse)and/or €* (slowoperatingfuse)on PCB indicatethat replacementparts mustbeol adenticaldesignation.

REMARQUE

(POURMODELECANADIENSEULEMENT)

Les symbolesde lusible€F (fusiblede typerapide)evou -E8-(tusiblede typelent)sur CCI indiquentque les pidcesde remDlacementdoiventavoirla mCmed€sionation.

( F OR USA M O D E LO N L Y )

l . S A F E T YP R E C A U T I O N S

ANY MEASUREMENTSNOT WITHIN THE LIMITS

The following check should l)e performed for the

OUTLINED ABOVE ARE INDICATIVE OF A PO,

continued protection of the customer and service

TENTIAL SHOCK HAZARD AND MUST BE COR -

technician .

RECTEDBEFORERETURNINGTHE APPLIANCETO

LEAKAGECURRENTCHECK

THE CUSTOMER .

Measureleakagecurrent to a known earth ground

2 . PRODUCT SAFETY NOTICE

(water pipe, conduit, etc . ) by connecting a leakage

current tester such as Simpson Model 229 2 or

Many electricaland mechanicalparts in the appli -

equivalentbetween the earth groundand all exposed ance have soecialsafetvrelatedcharacteristicsThese.

metal parts of the appliance

are often not evident from visual inspectionnor the

 

 

linput/output terminals,

protection afforded by them necessarilycan be ob -

screwheads,metaloverlays,controlshaft, etc . ) . Plug

the

AC

Iinecord ol the appliancedirectlyinro a 120V

componentsrated

for vol -

 

tainedby usingreplacement

AC 6OHzoutletand turn the AC power switch on . Any

tage, wattage, etc . Replacementparts which have

current measured must not exceed O . 5mA .

these specaalsafety characteristicsare identifiedin

 

 

 

this Service Manual .

 

 

 

 

Elect . ical components having such features are

 

 

 

identiliedby markingwith a A, on the schematicsand

 

 

 

on the parts list in this Service Manual .

 

 

 

0 s m A

The use of a substitutereplacementcomponentwhich

 

 

 

dose not have the same safety characteristicsas the

 

 

 

PIONEERrecommendedreDlacementone . shown in

 

 

T e s t a l l

the partslist in this ServiceManual,may createshock,

 

 

 

fire, or other hazards .

 

 

 

 

Product Safety is conlinuously under review and

 

 

 

new instructions are issued trom time to time . For

 

 

plug reversed

the latest intormation, alwavs consult the current

 

 

PIONEERServiceManual . A subscriptionto, or ad -

 

 

(Using AC adaprer

 

 

ditional copies ol, PIONEERService Manual may be

 

 

plug as requfed]

obtained at a nominal charge from PIONEER .

AC LeakageTesl

Image 2
Contents P74M A F E T YP R E C a U T I O N S SafetyinformationXR-P74M, XR-P64M, XR-P34M xR-P7 &, XR-pOaO, XR-P34 CLASS1vrsr8r,ErAsER Laserproduct RA0tATtotwHHrloPtN XR-P74OM, XR-P64OM, XR-P34OM xR-P7 N, XR-P64, XR-P34Labetcheck Forcd Multi Forcd SingleFM/AM tun.r slstion FMTunrrSoction SpecfcationsXR-P74M, XR-P64M, XR-P340M xR-P7 Q, XR-P64, XR-P3@ Receiver PanelfacilitiesXR-P74OM, XR-P64OM, XR-P34OM R-P7 Q. XR-P6@, XR-P34O @oor--ev.NRoN/OFFbuttonXR-P3/o/XR-P3/0Monly XR-P74M, XR-P621M, XR-P34M xR-P7 &, XR-P64, XR-P340Tapedeck Tapedeck MULTI-PIAYCDPLAYER CdplayerXR-P74M, XR-P64M, XR-P340M xR-P7 N, XR-P640, XR-P34 Remotecontrolunit O PowER butron @ Functionbutton Funci6l VOLUME-/+l buttons @ Numberbuttons SleepDisassembly XR-P74M, XR-P640M, XR-P34M xF-P7 40, XR-P640, XR-P34XR-P740M, XR-P640M, XR-P340M xR-P740, XR-P64J--,XR-P34.o BlockdiagramPoweramp Modulesection OVT lTzv Pin Functionof Power Amo ModuleXR-P740M, XR-P64M, XR-P340M xR-P7 44, XR-P640, XR-P34 +t2vRc9268F ilc84o1 AF cD AssY IC InformationXR-P740M, XR-P640M, XR-P34M xR-P7 40, XR-P64trJ, XR-P340 PinAssignment ViewSo1 XR-P740M, XR-P640M, XR-P340M xR-P7 40, XR-P6 Q, XR-P340System Control Micro-computer o PinAssignmentTopView FIPs 7GXR-P74M, XR-P640M, XR-P34M xR-P7 &, XR-P640, XR-P34 FIP21 P1o/KO3 PXR-P7@M, XR-P640M, XR-P340M xR-P7 &, XR-P64J, XR-P340 PinAssignmentTop View60 FIP26 P1s/KO8 P XR-P74OM, XR-P64OM. XR-P34OM xR-P7 &, XR-P64, XR-P34PLL9162 ExceptXR-P34OM and XR-P34Ol XR-P740M, XR-P640M, XR-P34M xR-P7 Q, XR-P64, XR-P340PDGtoSA ADDoN Iflc3951 DtspLAyAssy System Control Micro-computer a PinFunctionDolby OFF Lnverter PinAssignmentTopViewOuty N S TSnnill fltNfifrl\VlltFrllP7 4OM. XR-P64OM, XR-P34OM xR-P74, XR-P64, XR-P340 KAIRAIKE\XR-P74, XR-P64, XR-P340 PR@XR.-P7 4AM, XR-P640M, XR-P340M Lnvzool v3951 ADDoN DtspLAyAssylTunersection AdjustmentsXR-P7@M, XR-P64OM, XR-P3@M xR-P7 40, XR-P64, XR-P34 FM TunerSectionAdjustment and Confirmationof ldle Current Poweramp MODULESECTTONReferto Fig .2 1HandlingPrecautions XR-P74OM. XR-P64OM, XR.P34OM xR.-P7 4o-, XR-P64HJ,XR-P340Remarks XR-e2461y1, XR-P640M, XR-P34M R-P7 Q, XR-P64O, XR-P34ORearAmp Side REAR,PWR,PRTECASSY Donot opemteSurroundAmpCN7 XR-P74O/M. XR-P64OM. XR-P34OM xR-P7 4o, XR-P6,4J-,XR-P347 E o OLiFrTape Test XR-P74OM, XR-P64OM, XR-P34OM xR-P7 40, XR-P640, XR-P34STD-301 PlayPlayback Playback Adjustment HeadAzimuthAdjustmentXR-P74OM, XR-P64OM, XR-P34OM xR-P7 &, XR-P64, XR-P34 RecordingRecording Adiustmont BiasOscillationFrequencyAdiustment RecordingLevelAdjustmentXR-P740M, XR-P64M, XR-P34M xR-P7 Q, XR-P64, XR-P34 ALC OperationCheckFront DOLBYPRO.LOGICADJUSTMENT 5. DolbysurroundadjustmentXR-P74o/M, XR-P64M, XR-P34M xR-P7 4o,XR-P6,40,XR-P340 VR8152 Fcsgan XR-P740M, XR-P64M, XR-P34M xR-P74, XR-P64, XR-P34CD Sectionforcd Multiand CD Single XR-P740M, XR-P640M, XR-P340M xR-P740, XR-P64J, XR-P34 Test Point and Adjustment Variable Resistor PositionsTest Mode \ t Ooo avR81s2 / \Focus servo close XR-P74OM, XR-P64OM, XR-P34OM xR-P7 4, XR-P64, XR-P34Dolbynr Search FWD XR-P740M, XR-P640M, XR-P34M xR.-P7 40, XR-P64, XR-P340REV EjectFocusOffset Verilication TrackingErrorBalanceVerificationXR-P740M, XR-P64M, XR-P340M xR-P7 &, XR-P64, XR-P34 YEDS7XR-P740M, XR-P640M, XR-P34M xR-P7 40, XR-P64J, XR-P340 Pickup Radlal/Tangential Titt Adjustmont For GD MultilLProcedurel DiscXR-P740M, XR-P64M, XR-PS4M xR-P74, XR-P64trJ,XR-P340 Pictup Radial/Tangential Tilt Adjustment For GD SingleMin of audio signal music.1 Cm discTt l l , ,//Ar XR-P740M, XR-P64M, XR-P34M xIl.-P7 40, XR-P64, XR-P340RF Level Verification CHl Focus Servo Loop Gain AdjustmentP74,.M. XR-P64OM, XR-P34OM xR-P74, XR-P64J--, XR-P34O CHzCH1 TrackingServo Loop Gain AdjustmentXR-P7 4oM, XR-P64M, XR-P34M xR-P7 4, XR-P64, XR-P340 YEDS7FORXR-p740M, XR-p7zto,XR-p6rroMANDXRp640 ForXR-P7z10M/SD XR-P74M, XR-P640M, XR-P340M xR-P7 4, XR-P64, XR-P3401I Packing ForXR-P74OM/YPW,XR-P7zrO/SD,XR-P64OM/SD.YPW and XR-P64O/SDForXR-P3zOM/KC,SD,YPW,XR-P34O/SDandYPW XR-P74M, XR-P64M, XR-P340M xB.P7 &, XR-P64, XR-P340Lll -2. FORXR-P3rtOMANDXR-P3rtO I ForXR-P3zl0M/KU Cu xR009ForXR-P7zlOM,XR-P74O, XR-P6rtOMandXR-P640 O ForXR-P7zOM/SD XR-P74OM, XR-P64OM, XR-P34OM xR.-P7 N, XR-P64, XR-P342I Explodedviews Exterior 4t scREwOo.*.ro XR-P721M, XR-P640M, XR-P340M xR-P7 &, XR-P64, XR-P34ForXR-P74OM/YPWxR.-P74O/SD,XR-P64OM/SD,YPW and XR-P64O/SD AWZ1124awz?124 AWZ7125NSP XR-P74OM. XR-P64OM. XR-P34OM xR-P7 40, XR-P64, XR-P34For XR- P3rtOMand xR-P340 For XR-P34OM/KU XR-P740M, XR-P640M, XR-P340M xR.-P74, XR-P64, XR-P340 ForXR-P3rIOM/KC,SD, YPW,XR-P34O/SDandYPWXR-P740M, XR-P64M, XR-P340M R-P7 Q, XR-P64O. XR-P34O Cassettemechasectionforall ModetsiXR-P7ZIOM, XR-P64OM, XR-P34OM * -p74.XR-P64O, XR-P34O XR-P74OM, XR-P64OM, XR-P34OM xR.-P7N, XR-P64, XR-P34 0R5 RN2lttrtrtrK 010 Rs.lPtr Tr tr PcbpartslistXR-P74OM, XR.P64OM. XR-P34OM xR-P7 Q, XR-P64, XR-P34 RMl/4PCgtrtrtrrCXD25I?Q XR-P74OM, XR-P64OM. XR-P34OM xR-P7 4, XR-P64, XR-P34O RxR-P740M/SD VR Assy XR-P740M, XR-P64M, XR-P34M xR-P7 Q, XR-P640, XR-P340CorL CD Decksw AssyXR-P740M, XR-P64M, XR-P34M xR-P74, XR-P64, XR-P340 AddondisplayFrontassy for 1OOW Semiconductors XR-P74OM. XR-P64OM. XR-P34OM xR.-P7 40, XR-P64, XR-P34FM/AM Tunermodule Semiconductors REAR,PWR,PRTECASSY Semiconductors XR-P74OM, XR-P64OM, XR-P34OM xR-P7 40, XR-P64, XR-P34Deckunit CcsQcHrorJsoCeasotomso XR-P74OM, XR-P64OM, XR-P34OM xR-P7 Q, XR-P64, XR-P34C2203 CEAS2R2M5OCD Decksw Assy XR.P74OM. XR-P64OM, XR-P3@M xR-P7 Q, XR-P64, XR-P34VR Assy TransprimaryassyDOt Surrassy XR-P74OM, XR-P64OM, XR-P34OM xR-P7 4.J,XR-P640, XR-P340Addondisplayassy Cu282I- 1. List of Wholepcbassemblies XR-P74M, XR-P640M, XR-P34M xR-P7 Q, XR-P64, XR-P340FORXR-P3rOM/KU Co oecrsw ay PRttrtARY TRarusAssy XR-P740M, XR-P64M, XR-P34M xR-P7 4, XR-P640, XR-P340CcsQclr33rJsoR2121,R2122 CcsQcH390J50 R1007,Rlo1? SecondrytransassyXR-P740M, XR-P640M, XR-P340M xR-P740, XR-P64, XR-P34 Cl0l1,cr012 XR-P74OM, XR-P64OM, XR-P34OM xR-P7 &, XR-P64, XR-P340Cr0r6 Secondrytrans Assy SemiconductorsMotorboardassy XR-P74M, XR-P640M, XR-P340M xR-P7 40, XR-P64, XR-P340SwrTcHEs Fmiam TunermoduleOtherelectricalparts XR-P740M, XR-P64M, XR-P34M xR.-P7 40, XR-P64, XR-P34Pl\R,PRTECASSY FRONTASSYFORsOWAwzT247 awz7286 XR-P74OM. XR-P64OM, XR-P34OM xR-P74, XR-P64, XR-P3402I-3. FORXR-P34OM/KC, SD, YPW, XRP34O/SDAND YPW AF CD Assy Displayassy XR-P7@M, XR-P64M, XR-P34M xR-P7 4, XR-P640, XR-P340Trans Primaryassy