Teac-P70-cd-sm 维修电路原理图.pdf
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1、P P- -7 70 0SERVICE MANUALCD Drive UnitEffective : September, 2002S-0076ACONTENTS1 SPECIFICATIONS 22 ADJUSTMENTS AND CHECKS 33 EXPLODED VIEWS AND PARTS LIST 44 PC BOARDS AND PARTS LIST 125 INCLUDED ACCESSORIES 23NOTESPC boards shown are viewed from parts side.Parts marked with * require longer deliv
2、ery time.The parts with no reference number or no parts number in theexploded views are not supplied.As regards the resistors and capacitors, refer to the circuit diagramscontained in this manual.Parts marked with this sign are safety critical components. Theymust be replaced with identical componen
3、ts - refer to the appropriateparts list and ensure exact replacement.Parts of mark can be used only with the version designated.US:U.S.A. C:CANADA E:EUROPE RadioFans.CN 收音机爱 好者资料库1 SPECIFICATIONS2PickupDrive method.linear motor driveType .objective lens drive, optical three beamsLens drive method .t
4、wo-dimensional parallel driveLight source.semiconductor laserWavelength.780nmDigital output formatsBase sampling frequency .44.1kHzFrequency precision .50PPM (indication: 1.000PPM)Quantization bits .16 bits linear/channelTransfer rate.3.072Mb/sec.A type modulation.biphase, mark modulationBase sampli
5、ng frequency .88.2kHzFrequency precision .50PPM (indication: 1.000PPM)Quantization bits .24 bits linear/channelTransfer rate.6.144Mb/sec.A type modulation.biphase, mark modulationBase sampling frequency .176.4kHzFrequency precision .50PPM (indication: 1.000PPM)Quantization bits .24 bits linear/chann
6、elTransfer rate.6.144Mb/sec. (double wire)A type modulation.biphase, mark modulationDigital output terminalsRCA (COAXIAL) .0.5Vp-p/75 ohmXLR (BALANCED).4.5Vp-p/110 ohmOPTICAL(TOS) . 12.5 16dBmWord synchronization input formatBNC .44.1kHz, 88.2kHz rectangular 4.5Vp-p/75 ohmGeneralPower supply .AC 230
7、V, 50Hz (Europe model)AC 120V, 60Hz (U.S.A./Canada model)AC 220V, 60Hz (Korea model)Power consumption .25WDimension (WxHxD).465 x 162 x 355 (mm)Weight.about 25 kgRemote control unitType.infrared pulse systemBattery .DC3V (AA battery, SUM-3 x 2)Dimensions (WxHxD) .57 x 21x 216 (mm)Weight.about 320g (
8、including batteries)Accessories included with the playerRemote control unit x 1, Batteries (AA, SUM-3) x 2, Power cord x 1, felt sheet x 3,Metal tool for releasing and securing the anti-vibration clamp x 1, Warranty card x 1, Owners Manual x 1Improvements may result in specification or feature chang
9、eswithout notice.SAFETY INFORMATIONThis product has been designed and manufactured according to FDAregulations title 21, CFR, chapter 1, subchapter J, based on the RadiationControl for Health and Safety Act of 1968, and is classified as a class 1laser product. There is no hazardous invisible laser r
10、adiation duringoperation because invisible laser radiation emitted inside of this productis completely confined in the protective housings.The label required in this regulation is shown 1.OCAUTIONUSE OF CONTROLS OR ADJUSTMENT OR PERFORMANCE OFPROCEDURES OTHER THAN THOSE SPECIFIED HEREIN MAY RESULT I
11、NHAZARDOUS RADIATION EXPOSURE.Optical pickup:Type: KSS-151AManufacturer: SONY CorporationLaser output: Less than 0.2 mW on the objective lensWavelength: 760 - 800 nm1For U.S.A.RadioFans.CN 收音机爱 好者资料库2-1-2 ObjectiveNever look directly into the LD or observe the laser beamthrough another lens or mirro
12、r.Dont touch the objective with fingers.If objective becomes dirty, playback will deteriorate.To clean the objective, moisten a good cleaning tissue, such asmade by KODAK, in isopropyl alcohol and wipe the objectivegently. Wipe off and excess fluid with a dry cleaning tissue.2-2 Sled balance adjustm
13、ent1.Adjust V403 for 0V potential between P415 pin 1 (SO) and pin2 (GND).2-1 Replacement of the Pickup Assembly2-1-1 Cautions in handlingBefore removing the pickup assembly be sure to solder-bridgewhere indicated in the inset to prevent the laser diode frombeing electrostatically damaged. After repl
14、acing the pickupassembly, be sure to unsolder the antistatic bridge. Or else thelaser diode does not function.Before servicing the pickup assembly be sure to preventelectrostatic-inducer destruction by grounding not only testequipment in use but also yourself.In case of mounting and dismounting the
15、assembly, do nottouch the actuator, photosensor and LD plate.Dont touch the plated portion of the flat cable end directly withfingers.Use care not to break the flat cable.Soldering must be done quickly at less than 30W, 320.Dont disassemble the pickup assy.Dont apply shock to the pickup assy.Dont pl
16、ace the assembly in a place subject to excessive dust,heat or moisture.2 ADJUSTMENTS AND CHECKS3The pickup is secured with an anti-vibration clamp in order toreduce vibration during transport. This must be releasedbefore use.Releasing the anti-vibration clamp1.Place the unit on its side, left side d
17、own, as shown here.2.Use the supplied tool and insert it into the hole on the bottom.3.Turn the tool about 30 degrees counter-clockwise in theFREE direction.Securing the anti-vibration clamp1.Remove any disc from the unit, disconnect the power, andplace the unit on its side, left side down, as shown
18、 here.2.Use the supplied tool and insert it into the hole on the bottom.3.Turn the tool about 30 degrees clockwise in the LOCKdirection.NOTE: You do not need to use forceto clamp and unclamp theunit. This may damage theunit. Use only the suppliedtool and turn gently.SERVO PCBV403P415183 EXPLODED VIE
19、WS AND PARTS LISTEXPLODED VIEW-141223345667889900qweertyuiopasdfghjkl;zxcvn!#$# #&%*m(b)5EXPLODED VIEW-1REF.NO.PARTS NO.DESCRIPTIONREMARKS1- 1* M00941100ATOP PANEL1- 2M00260101ACOLLAR,SCREW(S)1- 3M00260100ACOLLAR,SCREW(L)1- 4* M00940501ASIDE PANEL,L 1- 5* M00689100ACUSHION,TRAY1- 6* M00940800AEND CA
20、P1- 7* M00940601ASIDE PANEL,R 1- 8* M00940700AFRONT PANEL,CAP 1- 9* M00942900ABRACKET,CAP L 1-10M00409500AHOLDER,BUTTON(A)1-11* 5801070200POWER SPRING1-12M00941500ABUTTON ASSY,POWER 1-13M00481000ALENS1-14E95135200APCB ASSY,FRONT TGL-SW1-15* M01378000ABRACKET,TOGGLE 1-16M01377900AHOLDER,LENS 1-17E951
21、35500APCB ASSY,TRY-LED1-18M01377200ALENS,LED 1-19* M01430700AVINYL SHEET,BLIND 1-20* M01378300APLATE,COVER 1-21* M01254700AFILTER1-22* M01377300APANEL,SUB 1-23* M01396200ACOVER,FL 1-24* M00392000AHOLDER,BUTTON1-25* M00404600ACPRSN SPRING,KNOB1-26M00393102ABUTTON ASSY,D=8 BR1-27M00390300CESCUTCHEON,A
22、1-28* 5801070100KNOB SPRING1-29M00614502ABUTTON ASSY,STOP BR1-30M00614302ABUTTON ASSY,PLAY BR1-31M00614402ABUTTON ASSY,PAUSE BR1-32* M01377100AFRONT PANEL1-33* 5801533720NAMEPLATE,TEAC(BLK.BLK)1-34* M01517900ACHASSIS,BASE 1-35M01494801AFOOT(A),HEX 211-36M01494900AFOOT(B)1-37M01495000ASTAND,FOOT1-41*
23、 5801539500SCREW,HEXAGON 3X8 BLACK1-42B00023000ASCREW,HEXAGON 3X17.5 BLACK1-43* 5780023006SCREW,BPA 3X6 NB1-44* 5783033006SCREW,S-TITE BIND M3X61-45* B00090900ASCREW,VPB M3X8FNB1-46* 5780023008SCREW,BPA 3X8 NB1-47* 5783603008SCREW,P-TITE BIND M3X81-48* B00091000ASCREW,VPB M3X10FNB1-49* B0009130SCREW
24、,BPA M8X10FNI1-50* 5783113006SCREW,ZPAT 3X6 NBEXPLODED VIEW-261223444567890qwerrtyyuiopasdfghjjkl;zx!#$%&*c7EXPLODED VIEW-2REF.NO.PARTS NO.DESCRIPTIONREMARKS2- 1E95135000APCB ASSY,UP-CON2- 2* M01259600AWASHER,POLY 10.5X20X0.2T2- 3E95135300APCB ASSY,REAR TGL-SW2- 4* M01381000ASPACER,PCB L92- 5E951349
25、00APCB ASSY,CLOCK2- 6* M01377500AREAR PANEL2- 7* M00689100ACUSHION,TRAY2- 8* 5332031900EARTH TERMINAL,M3 2- 9E95134800APCB ASSY,PWR US,CE95134850APCB ASSY,PWR E2-10* M00943200APLATE,EMI FILTER2-11M00388800AROD,POWER SW2-12E95134700APCB ASSY,AC-IN2-13* M00942600ABRACKET,PCB POWER 2-14* M00289000ASHIE
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