Philips-MCD-728-Service-Manual电路原理图.pdf

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1、Version 1.2MCD728 3141 785 31692Service ManualDVD Micro Systemall versionsPublished by DB 0730 Service Audio Printed in The Netherlands Subject to modificationCopyright 2007 Philips Consumer Electronics B.V. Eindhoven, The NetherlandsAll rights reserved. No part of this publication may be reproduced

2、, stored in a retrievalsystem or transmitted, in any form or by any means, electronic, mechanical, photocopying,or otherwise without the prior permission of Philips.Handling chip components .1-1Information about lead-free soldering.1-2Technical specification.2-1Service tools .2-1Service measurement

3、setup.2-2Connections and controls.3-1.3-4Disassembly diagram .4-1.4-2Software version and upgrading.5-1Set block diagram.5-2Set wiring diagram.5-3VFD BOARDcircuit diagram .6-1layout diagram .6-2TUNER BOARD circuit diagram .7-1layout diagram .7-2AMP BOARDcircuit diagram .8-1 layout diagram .8-2CPU BO

4、ARDcircuit diagram .9-1 layout diagram .9-2Pre-AMP BOARDcircuit diagram .10-1 layout diagram .10-2DVD MPEG BOARD circuit diagram .13-1.13-5layout diagram .13-6Exploded view diagram.14-1.14-2Service partslist .14-3.14-5Factory partslist.15-1.15-5TABLE OF CONTENTSCLASS 1 LASER PRODUCT1 - 1HANDLING CHI

5、P COMPONENTS1 - 2SYSTEMTotal output power . 400WPower supply . 220 240 V / 50 HzRated working power consumption (1/8 ratedoutput power) . 85WAUX input sensitivity . 500mVChannel Separation . 40dBDistortion . 0.7%Eco power Standby. 1WDVDFrequency response 100Hz-20kHz (+0.5/-2 dB)Video output .1 VP-PH

6、DMI 480p (60Hz), 720p (60Hz), 1080i (60Hz),576p (50Hz), 720p (50Hz), 1080i (50Hz)Horizontal definition. 500 (TV)Dimensions . 232 (W) x 75.5 (H) x 223.5 (D) mmWeight . 2.3 kgAMPLIFIERRated output power (THD = 10%) . 2x75W (4) + 150W (8)Frequency response 100Hz-20kHz (+0.5/-2 dB)S/N Ratio . 60dBLoaded

7、 impedance . 4 Dimensions . 232 (W) x 75.5 (H) x 223.5 (D) mmWeight . 4.35 kgTUNERFM Frequency range. 87.5-108 MHzFM Noise limit sensitivity . 20 V/MFM S/N . 46dBSPEAKERFront SpeakersImpedance. 4 Input power . 75WSensitivity . 80 4dBFrequency response . 80Hz-16kHzDimensions . 150 (W) x 323 (H) x 150

8、 (D) mmWeight . 2.4 kg eachSubwooferSubwoofer (not magnetically shielded design). 6.5”Impedance. 8 Input power .150WDimensions (w x h x d) . 430 mm x 262 mm x 292 mmWeight . 4.4 kgREMOTEDistance . 6mAngle . 3002 - 23 - 1CONNECTION AND CONTROLSIMPORTANT!The type plate is located at the bottomof the s

9、ystem. Before connecting the ACpower cord tothe wall outlet,ensure that allother connections havebeen made.Never make or change any connectionswith the power switched on.Step 1:Placing the speakersand subwooferFront speaker ( left )Front speaker ( right )VIEWING AREASubwoofer1Place the front left an

10、d right speakers at equaldistances from the TV set and at an angle ofapproximately 45 degrees from the listeningposition.2Place the subwoofer on the floor near the TV.Notes: To avoid magnetic interference, do not positionthe front speakers too close to your TV set.Allow adequate ventilation around t

11、he DVDSystem.Speaker(right)Speaker(left)FMantennaSubwooferACPowerStep 3:Connecting the controlcableConnect the serial port marked “CONTROLCABLE”at the rear of the DVD player to thesame port at the rear of the power amplifierwith the supplied flat control cable.Step 4:Connecting TVIMPORTANT!You only

12、need to make one videoconnection from the following options,depending on the capabilities of your TV.Connect the DVD system directly tothe TV.ASCART connection allows you touse features both Audio and Videofeatures on the DVD Player.Using SCART jackAUDIO INS-VIDEO IN VIDEO INTV INAUDIO INS-VIDEOINVI

13、DEO INTV INUse the SCART cable (black) to connect theDVD Players SCARTjack to the correspondingScart input jacks on the TV (cable not supplied).Note: Ensure that the “TV”indication on SCART cableis connected to the TV set and “DVD”indication onSCART cable is connected to the DVD Player.Step 2:Connec

14、ting speakers1Connect the speaker wires to the SPEAKERSterminals,right speaker to FRONT (4) Randleft speaker to FRONT (4) L. Fully insert theconnectors on the cables into the terminals andfasten the hooks to ensure firmconnection.2Connect the passive subwoofer to theSUBWOOFER (8)terminal with thesup

15、plied subwoofer cable bymatching the plugtypes.Notes: Ensure that the speaker cables are correctlyconnected.Improper connections may damage thesystem due to short-circuit.For optimal sound performance, use thesupplied speakers.Do not connect more than one speaker to anyone pair of +/- speaker jacks.

16、Do not connect speakers with an impedancelower than the speakers supplied.Please refer tothe SPECIFICATIONS section of this manual.3 - 2CONNECTION AND CONTROLSUsing Composite Video jack1Use the composite video cable (yellow) toconnect the systems VIDEOjack to the videoinput jack (or labelled as A/V

17、In,Video In,Composite or Baseband) on the TV set.2Tolisten to the TV channels through this DVDsystem,use the audio cables (white/red-notsupplied) to connect AUX IN L/Rjacks to thecorresponding AUDIO OUT jacks on the TV.Using Component Video jacks (Y Pb Pr)IMPORTANT!The progressive scan video quality

18、 isonly possible when using Y Pb Pr,and aprogressive scan TV is required.1Use component video cables (red/blue/green -not supplied) to connect the DVD systemsCOMPONENT (Pr/Cr Pb/Cb Y)jacks tothe corresponding Component video input jacks(or labeled as Y Pb/Cb Pr/Cr or YUV) on the TV.2Tolisten to the

19、TV channels through this DVDsystem,use the audio cables (white/red-notsupplied) to connect AUX IN L/Rjacks to thecorresponding AUDIO OUT jacks on the TV.3If you are using a Progressive Scan TV (TV mustindicate Progressive Scan or ProScan capability),to activate TV Progressive Scan,please refer toyou

20、r TV user manual.For DVD systemProgressive Scan function,see “Getting Started-Setting up Progressive Scan feature”.Note: If your TV does not support Progressive Scan,you will not be able to view the picture.Press SYSTEM MENU on the remote to exit thesystem menu and then DISC and “1”to exitprogressiv

21、e scan.Using S-Video jackIMPORTANT!If S-Video is used for DVD playbackconnection,the systems VIDEO OUTsetting will need to be changedaccordingly.1Use an S-Video cable (not supplied) to connectthe DVD systems S-VIDEOjack to the S-Video input jack (or labeled as Y/C or S-VHS) onthe TV.2Tolisten to the

22、 TV channels through this DVDsystem,use the audio cables (white/red-notsupplied) to connect AUX IN L/Rjacks to thecorresponding AUDIO OUT jacks on the TV.Using an accessory RF modulatorIMPORTANT!If your TV only has a single Antenna Injack (labeled as 75 ohm or RF In),youwill need an RF modulator in

23、order toview DVD playback on the TV.See yourelectronics retailer or contact Philips fordetails on RF modulator availability andoperations.1Use the composite video cable (yellow) toconnect the DVD systems VIDEOjack to thevideo input jack on the RF modulator.2Use an RF coaxial cable (not supplied) toc

24、onnect ANTENNA OUT or TOTV jack on theRF modulator to the Antenna IN jack on the TV.3Connect the Antenna or Cable TV service signalto the ANTENNA IN or RF IN jack on the RFmodulator.(It may havebeen connected to yourTV previously.Disconnect it from the TV.)3 - 3CONNECTION AND CONTROLSStep 5:Connecti

25、ng FM antenna1Connect the supplied FM antenna to the FM (75 ) jack.Extend the FM antenna and fix its end tothe wall. For better FM stereo reception, connect an external FM antenna (not supplied).Note: Adjust the position of the antennas for optimalreception.Position the antennas as far as possible f

26、romyour TV, VCR or other radiation source to preventunwanted interference.Step 6:Connecting the powercordAfter everything is connected properly,plug in the ACpower cord to the poweroutlet. Never make or change any connection with thepower switched on.Additional:Connectingadditional equipmentIMPORTAN

27、T!Some discs are copy-protected.Youcannot record the disc through a VCR ordigital recording device.When making connections,makesurethe colour of cables matches the colourof jacks. Always refer to the owners manual ofthe other equipment for completeconnection and usagedetails.Viewing and listening to

28、 the playback ofother equipment AConnect the systems AUX IN L/Rjacks to theAUDIO OUT jacks on the other audio/visualdevice (such as a TV, VCR,Laser Disc player orcassette deck). Before starting operation,press SOURCEonthe front panel to select AUX or press AUXonthe remote in order to activate the in

29、put source.Using the VCR for recording DVDs BConnect one of the systems VIDEOjack to thecorresponding VIDEO IN jack and AUDIOOUT L/Rjacks to the AUDIO IN jacks on theVCR.This will allow you to make analogue stereo(two channel,right and left) recordings.Recording (digital) CConnect the systems COAXIA

30、LorOPTICALjack to the DIGITAL IN jack on adigital recording device.Before starting operation,set the DIGITAL OUTaccording to the audio connection. (See “DIGITAL OUT“.)Connecting an active subwoofer DConnect the DVD micro systemsSUBWOOFER jack to the AUDIO INPUTjack on an active subwoofer (not suppli

31、ed).Connecting to a TV with HDMI Jack EHDMI connects untouched and uncompressed digital transmission for the highest and crispestsound/image quality.It has plug and play capability using only onecable for both audio/video output.Use a HDMI cable (not supplied) to connect theHDMIjack on the DVD Playe

32、r to HDMI INon a HDMI compatible device (e.g.;TV, Projector,Adaptor). It may take a while for the DVD player andinput device to communicate and initialise.Playback starts automatically.HDMI INHDMI INHDTVENotes: Proceed to “Setup Menu Options“ “VIDEOSETUP PAGE“ “HDMI SETUP“ for detailedHDMI setup. If

33、 you are using the HDMI as audio sourcemake sure that “DIGITAL OUTPUT“ is set to “PCMonly“ (see “Setup Menu Options“ “AUDIOSETUP PAGE“ “DIGITAL AUDIO SETUP“).To stop sound output from your TV aftermaking the HDMI connection,make sure that“DIGITAL OUTPUT“ is set to “SPDIF OFF“ (see“Setup Menu Options

34、“ “AUDIO SETUP PAGE“ “DIGITAL AUDIO SETUP“).3 - 4CONNECTION AND CONTROLSDVD player and power amplifier1ECO POWER/STANDBY-ONyswitches on the system or puts it on to Eco power/normal standby mode.2Displayshows the current status of the DVD player.3starts or interrupts disc playback.4PRESET +in tuner m

35、ode, selects a preset radio stationforward.5PRESET-/9stops disc playback or erases a program.in tuner mode, selects a preset radio stationbackward.in Demo mode (on the system only), activates/deactivates the demonstration.6MOVING SURROUNDenables/disables the surround sound effect withmoving speakers

36、.7/Disc:skips to the previous/next chapter/title/track.Tuner:tunes to a higher/lower radio frequency.press and hold,then release the key tostart automatic search for a radio frequencydownward/upward.8OPENCLOSE opens or closes the disc tray.switches the system on.9SOURCEselects the respective sound s

37、ource:DVD/AUX/TUNER.switches the system on.0IR SENSORpoint the remote control towards this sensor.!VOLUME -/+adjusts the volume upward/downward.adjusts the hours and minutes in clock/timersetting mode.switches the set timer ON or OFF.15772!890346214 8 7 0 )3 5 9 ! # $ % Tuner) tunes to a higher/lower radiofrequency.(2/ 1; Tuner) press and hold,then release thekey to start automatic search for a radiofrequency downward/upward.(2/ 1; Disc) searches backward/forward in ad