McIntosh-MVP831-cd-sm维修电路原理图.pdf

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

2、xploded View and Parts List. 17 - 18 Repacking Instructions . 19 CONTENTS RadioFans.CN 收音机爱 好者资料库 General SpecificationsVideo Specifications Digital Output Optical: -15dbm to -21dbm Coaxial: 0.5V p-p/75 ohm Digital Signal Format Sampling Frequency:44.1kHz & 48kHz Transport Laser Beam Wavelength:655n

3、m Laser PowerCLASS II Power Requirements 100 Volts, 50/60Hz at 28 watts 110 Volts, 50/60Hz at 28 watts 120 Volts, 50/60Hz at 28 watts 220 Volts, 50/60Hz at 28 watts 230 Volts, 50/60Hz at 28 watts 240 Volts, 50/60Hz at 28 watts Note: Refer to the rear panel of the MVP831 for the correct voltage. Dime

4、nsions Front Panel:17-1/2 inches (44.5cm) wide, 5-3/8 inches (13.7cm) high, depth behind front mounting panel is 15 inches (38.1cm) including clearance for connectors. Panel clearance required in front of mounting panel is 3/4 inch (1.9cm). Note: When the DVD/CD tray is opened, the panel clearance r

5、equired in front of mounting panel is 6-3/4 inches (17.2cm). Weight 20 pounds (9.0Kg) net, 34 pounds (15.4Kg) in shipping carton Signal System NTSC S-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 Specifications Number of

6、Channels 2 Output level 2.2Vrms DVD Frequency Response 4-22KHz (48KHz Sampling, Linear Audio) 4-44KHz (96KHz Sampling, Linear Audio) CD Frequency Response 4-20KHz CD Signal to Noise Ratio Better than 110dB (A-weighted) DVD Dynamic Range Better than 100dB (Linear Audio) CD Dynamic Range Better than 9

7、8dB Harmonic Distortion 0.003% (1KHz) Channel Separation Better than 110dB (1KHz) RadioFans.CN 收音机爱 好者资料库 PERFORMANCE SPECIFICATIONS 2 VIDEO SPECIFICATIONS Signal System:NTSC S-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) AUDI

8、O SPECIFICATIONS Number Of Channels:2 Output Level:2.2Vrms DVD Frequency Response4-22kHz (48kHz Sampling, Linear Audio) 4-44kHz (96kHz Sampling, Linear Audio) CD Frequency Response:4-20kHz CD Signal To Noise Ratio:Better than 110dB (A-weighted) DVD Dynamic Range:Better than 100dB (Linear Audio) CD D

9、ynamic Range:Better than 98dB Harmonic Distortion:0.003% (1kHz) Channel Separation:Better than 110dB (1kHz) GENERAL SPECIFICATIONS Digital Output Optical:-15dbm to -21dbm Coaxial:0.5V p-p/75 ohm Transport Laser Power:CLASS II Laser Beam Wavelength:655nm Digital Signal Format Sampling Frequency:44.1k

10、Hz and 48kHz Power Requirements 100 Volts, 50/60Hz at 30 watts 110 Volts, 50/60Hz at 30 watts 120 Volts, 50/60Hz at 30 watts 220 Volts, 50/60Hz at 30 watts 230 Volts, 50/60Hz at 30 watts 240 Volts, 50/60Hz at 30 watts Note: Refer to the rear panel of the MVP831 for the correct voltage. Dimensions Fr

11、ont Panel:17-1/2 inches (44.5cm) wide, 5-3/8 inches (13.7cm) high, depth behind front mounting panel is 15 inches (38.1cm) including clearance for connectors. Panel clearance required in front of mounting panel is 3/4 inch (1.9cm). Note: When the DVD/CD tray is opened, the panel clearance required i

12、n front of mounting panel is 6-3/4 inches (17.2cm). 1. The heavy notes on the schematic denote the primary signal path. 2. Unless otherwise noted, all voltages indicated on the schematics are measured under the following conditions: a. AC input at 120 volts, 50/60Hz. b. All voltages are +/-10% with

13、respect to ground. A high impedance (10 megaohm) voltmeter must be used. 3. Unless otherwise specified: a. Resistor values are 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 - Posit

14、ive b. Diodes - Cathode c. Others - Pin 1 5.WARNING Parts marked with the symbol have critical characteristics. Use only replacement parts recom- mended by the manufacturer. SAFETY INFORMATION NOTES CAUTION: The use of optical instruments with this product will increase eye hazard. This product util

15、izes a class 1 laser. Invisible laser radiation is emitted from the optical pickup lens when the unit is turned on. 1. Do not look directly into the pickup lens. 2. Do not use optical instruments to look at the pickup lens. 3. Do not adjust the preset variable resistor on the optical pickup. 4. Do n

16、ot disassemble the optical pickup unit. 5. Use of controls or adjustment or performance of procedures other than those specified herein may result in hazardous radiation exposure. 6. Replace optical pickup only with manufacturers specified type. LUOKAN 1 LASERLAITE KLASS 1 LASER APPARAT VAROITUS! La

17、itteen kayttaminen muulla kuin tassa kayttoohjeessa mainitulla tavalla saattaa altistaa kayttajan turvallisuusluokan 1 ylittavalle nakymattomalle lasersateiiylle. VARNING! Om apparaten anvands pa annat satt an i denna bruksanvisning specificerats, kan anvandaren utsattas for osynbg laserstraining, s

18、om overskrider gransen for laserklass 1. Laser output:0.65mW Wavelength:665nm This product utilizes an embedded class 2 laser (IEC825). RadioFans.CN 收音机爱 好者资料库 MVP831 3 REAR PANEL SECTION LOCATIONS TOP VIEW WITH COVER REMOVED RadioFans.CN 收音机爱 好者资料库 4 BLOCK DIAGRAM RadioFans.CN 收音机爱 好者资料库 56 MVP831

19、INTERCONNECT RadioFans.CN 收音机爱 好者资料库 MAIN 320092 78 2 RadioFans.CN 收音机爱 好者资料库 AUDIO/VIDEO POWER SUPPLY049277 910 MVP831 3 RadioFans.CN 收音机爱 好者资料库 AUDIO/VIDEO POWER SUPPLY 049277 1112 3 RadioFans.CN 收音机爱 好者资料库 DISPLAY 0492784 MVP831 1314 RadioFans.CN 收音机爱 好者资料库 PARTS LIST 4DISPLAY 049278 PART NODESCR

20、IPTIONREFERENCE NO 049278 AUDIO VIDEO POWER SUPPLY 058145FIBER OPTIC TRANSMITTEROPT 1 061268MONO CAP .1UF,50V,Z5UC16 C17 C21 C24 C25 C26 C27 C31 C38 C41 C42 C43 C44 C53 C63 C66 C72 C73 C79 C80 C84 061271.01MF 50V Z5U +80-20%C56 061275MONO CAP 100PF,5%,100V,NPOC7 C8 064294POLY CAP 330PF 5% 160VC3 C4

21、064302CAP MPOLY .0015UF 5% 63/400VDCC5 C6 064312CAP M POLY .01UF 5% 63VDCC19 C23 C36 064325CAP M POLY .1UF 5% 63VDCC40 C57 C58 064427MP CAPACITOR 0.033UF 100V 10%C55 C68 066215CAP ELECT 47UF 16VC22 C45 066221CAP ELECT 10UF 50V SINGLE ENDC32 C34 066240CAP ELECT 22UF 25V ALUMC1 C2 C9 C10 C11 C12 C15 C

22、30 C76 C77 066278CAP ELECT 47MF 50V RADIALC86 C87 066334CAP ELECT 470UF 25VC60 C61 C64 066344CAP ELECT 100UF 16VC18 C20 C37 C52 C67 C74 C75 066361CAP ELECT 1000UF 20% 35VC54 C70 C71 066392CAP ELECT 1000UF 6.3V 10X12.5C33 C35 066443ELECT CAP 4700MF 35VC65 066457ELECT 100UF 50VC83 C85 066460ELECT 1800

23、0UF 16VC62 070047SILICON DIODE 1N4148 T&RD4 070085ZENER DIODE 6.2V 5% 500MWD17 070126DIODE 200V,3AD5 D6 D7 D8 070131DIODE RECTIFIERD2 D3 D9 D10 D11 D12 D13 D14 070161ZENER DIODE 30V 1/2W 5%D16 076019LEADED FERRITE BEADSL4 L5 L6 L7 L8 L10 L11 L12 L13 087059RELAYRL1 RL2 089093FUSE SLO-BLO 250MA 250VF1

24、 117417MINI DIN CONNECTORJ3 117436PJ261G PHON JACK, GOLDJ2 117451PH/JACK GL PL BLK M7008J5 117494MINI JACKJ7 J8 J9 117572PHONO JACK YEL GOLD FLASHJ4 117704CONNECTOR 2MM PITCH 8 PINJ16 117708FASTON BLADE W/FEETJ11 J12 11771523PIN FFC CONNECTORJ1 1177165PIN HEADER 1.25MM PITCHJ6 117717MTA-156 HEADER 8

25、PINJ10 117719PCB MOUNT PWR CONN RDJ14 11772012PIN FFC CONNECTORJ17 122224CHOKE 18UH 5%-10%L1 L2 L3 L9 122312POWER INDUCTOR 100UHL14 132171TRANSISTOR NPN MPSA05Q7 132172TRANSISTOR SI PNP MPSA55Q8 132223TRANS NPN MPS4124 2K/REELQ6 132224TRANS PNP SI MPS4126 2K/RQ1 Q2 Q5 132257TRANSISTOR SI NPNQ3 Q4 13

26、3094IC DUAL OPERATIONAL AMPIC1 IC2 133155IC REGULATOR -12VIC13 133156IC REGULATOR 12VIC12 13316174HC00N NAND 2 INPUT X 4IC3 IC8 133173MC74HCU04N HEX UNBUF INVRTRIC5 133250IC REGULATOR 5VIC6 133340VOLTAGE REGULATR 9V 1.5AIC11 133365IC 5V 1.5A REGULATR LOW DROPIC9 133387QUAD 2 INPUT EXCLUS OR GATEIC7

27、133393IC 3.3V LOW DROPOUT REGULATRIC10 137001FLAMEPROOF RES 1OHM 1/4W 5%R83 R84 141025RES CF 100 5% 1/4WR1 R2 R21 R35 R36 R58 141037RES CF 330 5% 1/4WR59 R68 141041RES CF 470 5% 1/4WR32 R34 R49 R75 R76 141043RES CF 560 5% 1/4WR7 R8 R65 141049RES CF 1.0K 5% 1/4WR37 R38 R41 R45 R46 R48 141057RES CF 2.

28、2K 5% 1/4WR23 R27 R71 141059RES CF 2.7K 5% 1/4WR24 141062RES CF 3.9K 5% 1/4WR73 141064RES CF 4.7K 5% 1/4WR42 141072RES CF 10K 5% 1/4WR20 R28 R47 R82 R85 141080RES CF 22K 5% 1/4WR25 R26 R63 R64 141088RES CF 47K 5% 1/4WR10 R11 R12 R30 R31 R40 R43 R57 R67 141096RES CF 100K 5% 1/4WR3 R4 141124RES CF 2.2

29、M 5% 1/4WR72 141136RES CF 10 5% 1/4WR77 R80 R81 141152RES CF 47 5% 1/4WR60 R61 R62 141157RES CF 75 5% 1/4WR56 14120868 OHM 5% 1/2W CF RR74 144210RES MF 7.5K 1% 1/4W CRB1/4FXR5 R6 144297MF 6.81K 1% 1/4WR17 R18 144392METAL FILM RES. 3.4K 1/4W 1%R13 R14 144393METAL FILM RES 6.04K 1/4W 1%R15 R16 144407M

30、ETAL FILM RES. 71.5 1/4W 1%R54 R55 148059SLIDE SWITCHSW1 159285DIGITAL INTERFACE TRANST1 310297VIDEO DRIVERIC4 310299Y-LOWPASS FILTERFN1 310300C-BANDPASS FILTERFN2 049277 DISPLAY 058133AMBER LEDDS7 061268MONO CAP .1UF,50V,Z5UC1 C3 C7 C9 064312CAP M POLY .01UF 5% 63VDCC11 066380CAP ELECT 47UF 16V (6.

31、3X5CASE)C2 C8 066382CAP ELECT 10UF 16V (4X5 CASE)C4 C6 066437SELECT CAP 10MF 50V LOW ESRC10 070047SILICON DIODE 1N4148 T&RD1 D2 D3 D4 D5 D6 D7 D8 070093LED LAMP REDDS5 1177146PIN FFC CONNECTORJ2 11772012PIN FFC CONNECTORJ1 121031IR SENSOR 38KHZSEN1 122224CHOKE 18UH 5%-10%L1 131022600V TRIAC DRIVER O

32、PTOCOUPQ6 132223TRANS NPN MPS4124 2K/REELQ1 132224TRANS PNP SI MPS4126 2K/RQ2 Q3 133176MC74HCO2AN NOR 2 INPUT X 4IC5 133240PST572E MCRPRCSSR RESET NEGIC3 133241IC MICROPRCSSR RESET POSIC1 133395PROG VERSION OF 133292IC2 141033RES CF 220 5% 1/4WR13 R14 R15 R16 141035RES CF 270 5% 1/4WR31 141049RES CF

33、 1.0K 5% 1/4WR5 141051RES CF 1.2K 5% 1/4WR17 141057RES CF 2.2K 5% 1/4WR9 141072RES CF 10K 5% 1/4WR20 R30 141080RES CF 22K 5% 1/4WR11 141088RES CF 47K 5% 1/4WR6 R7 R28 R29 141096RES CF 100K 5% 1/4WR22 R23 R24 R25 R26 R27 R32 R33 141136RES CF 10 5% 1/4WR8 R12 141144RES CF 22 5% 1/4WR1 R2 R3 R4 144250R

34、ES NETWORK 8 X 47K BUSR21 150058TACT SWITCHS1 S2 S3 S4 S5 S6 S7 S8 S9 180039CERAM RESON 6.0MHZ W/CAPY1 180049CERAMICK RESONATOR 8MHZY2 310298CONTROL MCUIC4 310301FL DISPLAY MVP831DS6 1516 RadioFans.CN 收音机爱 好者资料库 1718 EXPLODED VIEW AND PARTS LIST Ref.PartDescription No.No. 1016408GLASS 2004983EXTRUSI

35、ON BRACKETS 3018611END CAP 4101042TS 4-40 x1/2 SLOT FILL 5017517PUSHBUTTON ASSY 6017531PUSHBUTTON ASSY RED 7101172TS 6-32x1/4 PHIL FLAT U/C 8018588BOTTOM EXTRUSION 9171264C/A POWER SWITCH 10078033O-RING 11017779PRINTED CIRCUIT GUIDES 12018585TOP EXTRUSION 13017755LOGO PLEXIGLAS 14017782PLEXIGLAS LEF

36、T 15017783PLEXIGLAS RIGHT 16320092MVP831 DVD PLAYER PCB 17049278DISPLAY PCB 18004989SUBPANEL 19101196SEMS TS 6-32x1/4 PHIL PAN BLK 20159286TRANSFORMER 21102003NUT 6-32 W/LOCK 22004990CHASSIS 23017218PLASTIC FEET 24104083#10 WASHER 25100159MS 10-32x3/4 26004987LEFT ZEE BRACKET 27004988RIGHT ZEE BRACK

37、ET 28049277A/V PCB 29004986REAR PANEL 30117711AC RECEPTACLE 31102020NUT 6-32 SELF-LOCK 32320091DVD MECHANISM 33004984TOP COVER 34101078TS 8-32x5/16 PHIL PAN BLK 35102001KEP NUT 4-40 CADMIUM PLATE 36017781FRONT BEZEL 37017784DOOR MOLDING 38092419DISPLAY FILTER 39094350SENSOR GASKET 40101197HI/LO 4-24

38、x3/8 PHIL ROUND 41101213SEMS MS 4-40 x3/8 PHIL PAN 42112095HEX SPACER 6-32x2-1/4 43112097CIRCUIT BOARD SUPPORT RadioFans.CN 收音机爱 好者资料库 19 DVD/VIDEO CD/CD PLAYER SERVICE MANUAL The continuous improvement of its products is the policy of McIntosh Laboratory Incorporated, who reserve the right to impro

39、ve design without notice. Because of the constant upgrading of McIntosh products circuitry and components, the Company cannot insure, and does not warrant, the accuracy of the within 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 040708 REPACKING INSTRUCTIONS MVP831 RadioFans.CN 收音机爱 好者资料库