McIntosh-MVP831-cd-sm 维修电路原理图.pdf

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1、SERVICE MANUALCOMPACT DISC TRANSPORTPerformance Specifications . 2Notes . 2Safety Information. 2Rear Panel. 3Section Location . 3Block Diagram . 4Interconnection Diagram . 5 - 6Main . 7 - 8A/V Power Supply Schematic and PCB . 9 - 12Display Schematic and PCB . 13 - 16Parts List. 15 - 16Exploded View

2、and Parts List. 17 - 18Repacking Instructions . 19CONTENTSRadioFans.CN 收音机爱 好者资料库General SpecificationsVideo SpecificationsDigital OutputOptical: -15dbm to -21dbmCoaxial: 0.5V p-p/75 ohmDigital Signal FormatSampling Frequency:44.1kHz & 48kHzTransportLaser Beam Wavelength:655nmLaser PowerCLASS IIPowe

3、r Requirements100 Volts, 50/60Hz at 28 watts110 Volts, 50/60Hz at 28 watts120 Volts, 50/60Hz at 28 watts220 Volts, 50/60Hz at 28 watts230 Volts, 50/60Hz at 28 watts240 Volts, 50/60Hz at 28 wattsNote: Refer to the rear panel of the MVP831 for the correctvoltage.DimensionsFront Panel:17-1/2 inches (44

4、.5cm) wide, 5-3/8inches (13.7cm) high, depth behind front mountingpanel is 15 inches (38.1cm) including clearance forconnectors. Panel clearance required in front ofmounting panel is 3/4 inch (1.9cm).Note: When the DVD/CD tray is opened, the panel clearancerequired in front of mounting panel is 6-3/

5、4 inches (17.2cm).Weight20 pounds (9.0Kg) net, 34 pounds (15.4Kg) inshipping cartonSignal SystemNTSCS-Video Y Output Level1Vp-p (75 OHM)S-Video C Output Level0.286Vp-p (75 OHM) (NTSC)Video Output Level1Vp-p (75 OHM)Audio SpecificationsNumber of Channels2Output level2.2VrmsDVD Frequency Response4-22K

6、Hz (48KHz Sampling, Linear Audio)4-44KHz (96KHz Sampling, Linear Audio)CD Frequency Response4-20KHzCD Signal to Noise RatioBetter than 110dB (A-weighted)DVD Dynamic RangeBetter than 100dB (Linear Audio)CD Dynamic RangeBetter than 98dBHarmonic Distortion0.003% (1KHz)Channel SeparationBetter than 110d

7、B (1KHz)RadioFans.CN 收音机爱 好者资料库PERFORMANCE SPECIFICATIONS2VIDEO SPECIFICATIONSSignal System:NTSCS-Video Y Output Level:1Vp-p (75 ohm)S-Video C Output Level:0.286Vp-p (75 ohm) (NTSC)Video Output Level:1Vp-p (75 ohm)AUDIO SPECIFICATIONSNumber Of Channels:2Output Level:2.2VrmsDVD Frequency Response4-22

8、kHz (48kHz Sampling, LinearAudio)4-44kHz (96kHz Sampling, LinearAudio)CD Frequency Response:4-20kHzCD Signal To Noise Ratio:Better than 110dB (A-weighted)DVD Dynamic Range:Better than 100dB (Linear Audio)CD Dynamic Range:Better than 98dBHarmonic Distortion:0.003% (1kHz)Channel Separation:Better than

9、 110dB (1kHz)GENERAL SPECIFICATIONSDigital OutputOptical:-15dbm to -21dbmCoaxial:0.5V p-p/75 ohmTransportLaser Power:CLASS IILaser Beam Wavelength:655nmDigital Signal FormatSampling Frequency:44.1kHz and 48kHzPower Requirements100 Volts, 50/60Hz at 30 watts110 Volts, 50/60Hz at 30 watts120 Volts, 50

10、/60Hz at 30 watts220 Volts, 50/60Hz at 30 watts230 Volts, 50/60Hz at 30 watts240 Volts, 50/60Hz at 30 wattsNote: Refer to the rear panel of the MVP831 for the correct voltage.DimensionsFront Panel:17-1/2 inches (44.5cm) wide, 5-3/8 inches(13.7cm) high, depth behind front mounting panel is 15 inches(

11、38.1cm) including clearance for connectors. Panel clearancerequired in front of mounting panel is 3/4 inch (1.9cm).Note: When the DVD/CD tray is opened, the panel clearance requiredin front of mounting panel is 6-3/4 inches (17.2cm).1. The heavy notes on the schematic denote the primarysignal path.2

12、. Unless otherwise noted, all voltages indicated on theschematics are measured under the following conditions:a. AC input at 120 volts, 50/60Hz.b. All voltages are +/-10% with respect to ground. Ahigh impedance (10 megaohm) voltmeter must be used.3. Unless otherwise specified:a. Resistor values are

13、in ohms.b. Capacitor values are microfarads (uF).c. Inductor values are in microhenries (uH).4.On PC board drawings, Square pad indicates:a. Polarized Capacitors - Positiveb. Diodes - Cathodec. Others - Pin 15.WARNINGParts marked with the symbol have criticalcharacteristics. Use only replacement par

14、ts recom-mended by the manufacturer.SAFETY INFORMATIONNOTESCAUTION: The use of optical instruments with thisproduct will increase eye hazard.This product utilizes a class 1 laser. Invisible laserradiation is emitted from the optical pickup lens when theunit is turned on.1. Do not look directly into

15、the pickup lens.2. Do not use optical instruments to look at the pickuplens.3. Do not adjust the preset variable resistor on theoptical pickup.4. Do not disassemble the optical pickup unit.5. Use of controls or adjustment or performance ofprocedures other than those specified herein mayresult in haz

16、ardous radiation exposure.6. Replace optical pickup only with manufacturersspecified type.LUOKAN 1 LASERLAITEKLASS 1 LASER APPARATVAROITUS! Laitteen kayttaminen muulla kuin tassakayttoohjeessa mainitulla tavalla saattaa altistaakayttajan turvallisuusluokan 1 ylittavallenakymattomalle lasersateiiylle

17、.VARNING! Om apparaten anvands pa annat satt an idenna bruksanvisning specificerats, kan anvandarenutsattas for osynbg laserstraining, som overskridergransen for laserklass 1.Laser output:0.65mWWavelength:665nmThis product utilizes an embedded class 2 laser (IEC825).MVP8313REAR PANELSECTION LOCATION

18、STOP VIEW WITH COVER REMOVED4BLOCK DIAGRAM56MVP831INTERCONNECTMAIN 320092782AUDIO/VIDEO POWER SUPPLY049277910MVP8313AUDIO/VIDEO POWER SUPPLY 04927711123DISPLAY 0492784MVP8311314PARTS LIST4DISPLAY 049278PART NODESCRIPTIONREFERENCE NO049278 AUDIO VIDEO POWER SUPPLY058145FIBER OPTIC TRANSMITTEROPT 1061

19、268MONO CAP .1UF,50V,Z5UC16 C17 C21 C24 C25 C26 C27 C31 C38C41 C42 C43 C44 C53 C63 C66 C72 C73C79 C80 C84061271.01MF 50V Z5U +80-20%C56061275MONO CAP 100PF,5%,100V,NPOC7 C8064294POLY CAP 330PF 5% 160VC3 C4064302CAP MPOLY .0015UF 5% 63/400VDCC5 C6064312CAP M POLY .01UF 5% 63VDCC19 C23 C36064325CAP M

20、POLY .1UF 5% 63VDCC40 C57 C58064427MP CAPACITOR 0.033UF 100V 10%C55 C68066215CAP ELECT 47UF 16VC22 C45066221CAP ELECT 10UF 50V SINGLE ENDC32 C34066240CAP ELECT 22UF 25V ALUMC1 C2 C9 C10 C11 C12 C15 C30 C76 C77066278CAP ELECT 47MF 50V RADIALC86 C87066334CAP ELECT 470UF 25VC60 C61 C64066344CAP ELECT 1

21、00UF 16VC18 C20 C37 C52 C67 C74 C75066361CAP ELECT 1000UF 20% 35VC54 C70 C71066392CAP ELECT 1000UF 6.3V 10X12.5C33 C35066443ELECT CAP 4700MF 35VC65066457ELECT 100UF 50VC83 C85066460ELECT 18000UF 16VC62070047SILICON DIODE 1N4148 T&RD4070085ZENER DIODE 6.2V 5% 500MWD17070126DIODE 200V,3AD5 D6 D7 D8070

22、131DIODE RECTIFIERD2 D3 D9 D10 D11 D12 D13 D14070161ZENER DIODE 30V 1/2W 5%D16076019LEADED FERRITE BEADSL4 L5 L6 L7 L8 L10 L11 L12 L13087059RELAYRL1 RL2089093FUSE SLO-BLO 250MA 250VF1117417MINI DIN CONNECTORJ3117436PJ261G PHON JACK, GOLDJ2117451PH/JACK GL PL BLK M7008J5117494MINI JACKJ7 J8 J9117572P

23、HONO JACK YEL GOLD FLASHJ4117704CONNECTOR 2MM PITCH 8 PINJ16117708FASTON BLADE W/FEETJ11 J1211771523PIN FFC CONNECTORJ11177165PIN HEADER 1.25MM PITCHJ6117717MTA-156 HEADER 8PINJ10117719PCB MOUNT PWR CONN RDJ1411772012PIN FFC CONNECTORJ17122224CHOKE 18UH 5%-10%L1 L2 L3 L9122312POWER INDUCTOR 100UHL14

24、132171TRANSISTOR NPN MPSA05Q7132172TRANSISTOR SI PNP MPSA55Q8132223TRANS NPN MPS4124 2K/REELQ6132224TRANS PNP SI MPS4126 2K/RQ1 Q2 Q5132257TRANSISTOR SI NPNQ3 Q4133094IC DUAL OPERATIONAL AMPIC1 IC2133155IC REGULATOR -12VIC13133156IC REGULATOR 12VIC1213316174HC00N NAND 2 INPUT X 4IC3 IC8133173MC74HCU

25、04N HEX UNBUF INVRTRIC5133250IC REGULATOR 5VIC6133340VOLTAGE REGULATR 9V 1.5AIC11133365IC 5V 1.5A REGULATR LOW DROPIC9133387QUAD 2 INPUT EXCLUS OR GATEIC7133393IC 3.3V LOW DROPOUT REGULATRIC10137001FLAMEPROOF RES 1OHM 1/4W 5%R83 R84141025RES CF 100 5% 1/4WR1 R2 R21 R35 R36 R58141037RES CF 330 5% 1/4

26、WR59 R68141041RES CF 470 5% 1/4WR32 R34 R49 R75 R76141043RES CF 560 5% 1/4WR7 R8 R65141049RES CF 1.0K 5% 1/4WR37 R38 R41 R45 R46 R48141057RES CF 2.2K 5% 1/4WR23 R27 R71141059RES CF 2.7K 5% 1/4WR24141062RES CF 3.9K 5% 1/4WR73141064RES CF 4.7K 5% 1/4WR42141072RES CF 10K 5% 1/4WR20 R28 R47 R82 R8514108

27、0RES CF 22K 5% 1/4WR25 R26 R63 R64141088RES CF 47K 5% 1/4WR10 R11 R12 R30 R31 R40 R43 R57 R67141096RES CF 100K 5% 1/4WR3 R4141124RES CF 2.2M 5% 1/4WR72141136RES CF 10 5% 1/4WR77 R80 R81141152RES CF 47 5% 1/4WR60 R61 R62141157RES CF 75 5% 1/4WR5614120868 OHM 5% 1/2W CF RR74144210RES MF 7.5K 1% 1/4W C

28、RB1/4FXR5 R6144297MF 6.81K 1% 1/4WR17 R18144392METAL FILM RES. 3.4K 1/4W 1%R13 R14144393METAL FILM RES 6.04K 1/4W 1%R15 R16144407METAL FILM RES. 71.5 1/4W 1%R54 R55148059SLIDE SWITCHSW1159285DIGITAL INTERFACE TRANST1310297VIDEO DRIVERIC4310299Y-LOWPASS FILTERFN1310300C-BANDPASS FILTERFN2049277 DISPL

29、AY058133AMBER LEDDS7061268MONO CAP .1UF,50V,Z5UC1 C3 C7 C9064312CAP M POLY .01UF 5% 63VDCC11066380CAP ELECT 47UF 16V (6.3X5CASE)C2 C8066382CAP ELECT 10UF 16V (4X5 CASE)C4 C6066437SELECT CAP 10MF 50V LOW ESRC10070047SILICON DIODE 1N4148 T&RD1 D2 D3 D4 D5 D6 D7 D8070093LED LAMP REDDS51177146PIN FFC CO

30、NNECTORJ211772012PIN FFC CONNECTORJ1121031IR SENSOR 38KHZSEN1122224CHOKE 18UH 5%-10%L1131022600V TRIAC DRIVER OPTOCOUPQ6132223TRANS NPN MPS4124 2K/REELQ1132224TRANS PNP SI MPS4126 2K/RQ2 Q3133176MC74HCO2AN NOR 2 INPUT X 4IC5133240PST572E MCRPRCSSR RESET NEGIC3133241IC MICROPRCSSR RESET POSIC1133395P

31、ROG VERSION OF 133292IC2141033RES CF 220 5% 1/4WR13 R14 R15 R16141035RES CF 270 5% 1/4WR31141049RES CF 1.0K 5% 1/4WR5141051RES CF 1.2K 5% 1/4WR17141057RES CF 2.2K 5% 1/4WR9141072RES CF 10K 5% 1/4WR20 R30141080RES CF 22K 5% 1/4WR11141088RES CF 47K 5% 1/4WR6 R7 R28 R29141096RES CF 100K 5% 1/4WR22 R23

32、R24 R25 R26 R27 R32 R33141136RES CF 10 5% 1/4WR8 R12141144RES CF 22 5% 1/4WR1 R2 R3 R4144250RES NETWORK 8 X 47K BUSR21150058TACT SWITCHS1 S2 S3 S4 S5 S6 S7 S8 S9180039CERAM RESON 6.0MHZ W/CAPY1180049CERAMICK RESONATOR 8MHZY2310298CONTROL MCUIC4310301FL DISPLAY MVP831DS615161718EXPLODED VIEWAND PARTS

33、 LISTRef.PartDescriptionNo.No.1016408GLASS2004983EXTRUSION BRACKETS3018611END CAP4101042TS 4-40 x1/2 SLOT FILL5017517PUSHBUTTON ASSY6017531PUSHBUTTON ASSY RED7101172TS 6-32x1/4 PHIL FLAT U/C8018588BOTTOM EXTRUSION9171264C/A POWER SWITCH10078033O-RING11017779PRINTED CIRCUIT GUIDES12018585TOP EXTRUSIO

34、N13017755LOGO PLEXIGLAS14017782PLEXIGLAS LEFT15017783PLEXIGLAS RIGHT16320092MVP831 DVD PLAYER PCB17049278DISPLAY PCB18004989SUBPANEL19101196SEMS TS 6-32x1/4 PHIL PAN BLK20159286TRANSFORMER21102003NUT 6-32 W/LOCK22004990CHASSIS23017218PLASTIC FEET24104083#10 WASHER25100159MS 10-32x3/426004987LEFT ZEE

35、 BRACKET27004988RIGHT ZEE BRACKET28049277A/V PCB29004986REAR PANEL30117711AC RECEPTACLE31102020NUT 6-32 SELF-LOCK32320091DVD MECHANISM33004984TOP COVER34101078TS 8-32x5/16 PHIL PAN BLK35102001KEP NUT 4-40 CADMIUM PLATE36017781FRONT BEZEL37017784DOOR MOLDING38092419DISPLAY FILTER39094350SENSOR GASKET

36、40101197HI/LO 4-24x3/8 PHIL ROUND41101213SEMS MS 4-40 x3/8 PHIL PAN42112095HEX SPACER 6-32x2-1/443112097CIRCUIT BOARD SUPPORT19DVD/VIDEO CD/CD PLAYERSERVICE MANUALThe continuous improvement of its products is the policy of McIntosh Laboratory Incorporated, who reserve the right to improve design wit

37、hout notice.Because of the constant upgrading of McIntosh products circuitry and components, the Company cannot insure, and does not warrant, the accuracy of thewithin schematic material, which is intended for information only.McINTOSH LABORATORY, INC., 2 CHAMBERS STREET, BINGHAMTON, NEW YORK 13903 Printed in U.S.A. Part Number 040708REPACKING INSTRUCTIONSMVP831