Philips-MCD-728-Service-Manual(1) 电路图 维修手册.pdf

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1、Version 1.2 MCD728 3141 785 31692 Service Manual DVD Micro System all versions Published by DB 0730 Service Audio Printed in The Netherlands Subject to modification Copyright 2007 Philips Consumer Electronics B.V. Eindhoven, The Netherlands All rights reserved. No part of this publication may be rep

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

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

4、ut diagram.8-2 CPU BOARD circuit diagram .9-1 layout diagram.9-2 Pre-AMP BOARD circuit diagram .10-1 layout diagram.10-2 DVD MPEG BOARD circuit diagram.13-1.13-5 layout diagram.13-6 Exploded view diagram.14-1.14-2 Service partslist.14-3.14-5 Factory partslist.15-1.15-5 TABLE OF CONTENTS CLASS 1 LASE

5、R PRODUCT RadioFans.CN 收音机爱 好者资料库 1 - 1 HANDLING CHIP COMPONENTS RadioFans.CN 收音机爱 好者资料库 1 - 2 RadioFans.CN 收音机爱 好者资料库 SYSTEM Total output power. 400W Power supply . 220 240 V / 50 Hz Rated working power consumption (1/8 rated output power) . 85W AUX input sensitivity . 500mV Channel Separation . 40

6、dB Distortion. 0.7% Eco power Standby. 1W DVD Frequency response 100Hz-20kHz (+0.5/-2 dB) Video output .1 VP-P HDMI 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) mm Weight. 2.3 kg AMPLIFIER R

7、ated output power (THD = 10%) . . 2x75W (4) + 150W (8) Frequency response 100Hz-20kHz (+0.5/-2 dB) S/N Ratio . 60dB Loaded impedance . 4 Dimensions. .232 (W) x 75.5 (H) x 223.5 (D) mm Weight. 4.35 kg TUNER FM Frequency range. 87.5-108 MHz FM Noise limit sensitivity. 20 V/M FM S/N. 46dB SPEAKER Front

8、 Speakers Impedance. 4 Input power. 75W Sensitivity .80 4dB Frequency response .80Hz-16kHz Dimensions. 150 (W) x 323 (H) x 150 (D) mm Weight . 2.4 kg each Subwoofer Subwoofer (not magnetically shielded design). . 6.5” Impedance. 8 Input power.150W Dimensions (w x h x d) . . 430 mm x 262 mm x 292 mm

9、Weight.4.4 kg REMOTE Distance.6m Angle . 300 2 - 2 3 - 1 CONNECTION AND CONTROLS IMPORTANT! The type plate is located at the bottom of the system. Before connecting the AC power cord to the wall outlet, ensure that all other connections have been made. Never make or change any connections with the p

10、ower switched on. Step 1:Placing the speakers and subwoofer Front speaker ( left ) Front speaker ( right ) VIEWING AREA Subwoofer 1Place the front left and right speakers at equal distances from the TV set and at an angle of approximately 45 degrees from the listening position. 2Place the subwoofer

11、on the floor near the TV. Notes: To avoid magnetic interference, do not position the front speakers too close to your TV set. Allow adequate ventilation around the DVD System. Speaker (right) Speaker (left) FM antenna Subwoofer AC Power Step 3:Connecting the control cable Connect the serial port mar

12、ked “CONTROL CABLE” at the rear of the DVD player to the same port at the rear of the power amplifier with the supplied flat control cable. Step 4:Connecting TV IMPORTANT! You only need to make one video connection from the following options, depending on the capabilities of your TV. Connect the DVD

13、 system directly to the TV. A SCART connection allows you to use features both Audio and Video features on the DVD Player. Using SCART jack AUDIO IN S-VIDEO IN VIDEO IN TV IN AUDIO IN S-VIDEO IN VIDEO IN TV IN Use the SCART cable (black) to connect the DVD Players SCART jack to the corresponding Sca

14、rt input jacks on the TV (cable not supplied). Note: Ensure that the “TV” indication on SCART cable is connected to the TV set and “DVD” indication on SCART cable is connected to the DVD Player. Step 2:Connecting speakers 1Connect the speaker wires to the SPEAKERS terminals, right speaker to FRONT (

15、4) R and left speaker to FRONT (4) L. Fully insert the connectors on the cables into the terminals and fasten the hooks to ensure firm connection. 2Connect the passive subwoofer to the SUBWOOFER (8) terminal with the supplied subwoofer cable by matching the plug types. Notes: Ensure that the speaker

16、 cables are correctly connected. Improper connections may damage the system due to short-circuit. For optimal sound performance, use the supplied speakers. Do not connect more than one speaker to any one pair of +/- speaker jacks. Do not connect speakers with an impedance lower than the speakers sup

17、plied. Please refer to the SPECIFICATIONS section of this manual. 3 - 2 CONNECTION AND CONTROLS Using Composite Video jack 1Use the composite video cable (yellow) to connect the systems VIDEO jack to the video input jack (or labelled as A/V In, Video In, Composite or Baseband) on the TV set. 2To lis

18、ten to the TV channels through this DVD system, use the audio cables (white/red-not supplied) to connect AUX IN L/R jacks to the corresponding AUDIO OUT jacks on the TV. Using Component Video jacks (Y Pb Pr) IMPORTANT! The progressive scan video quality is only possible when using Y Pb Pr, and a pro

19、gressive scan TV is required. 1Use component video cables (red/blue/green - not supplied) to connect the DVD systems COMPONENT (Pr/Cr Pb/Cb Y) jacks to the corresponding Component video input jacks (or labeled as Y Pb/Cb Pr/Cr or YUV) on the TV. 2To listen to the TV channels through this DVD system,

20、 use the audio cables (white/red-not supplied) to connect AUX IN L/R jacks to the corresponding AUDIO OUT jacks on the TV. 3If you are using a Progressive Scan TV (TV must indicate Progressive Scan or ProScan capability), to activate TV Progressive Scan, please refer to your TV user manual. For DVD

21、system Progressive 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 the system menu and then DISC and “1” to exit progressive scan. Using S-

22、Video jack IMPORTANT! If S-Video is used for DVD playback connection, the systems VIDEO OUT setting will need to be changed accordingly. 1Use an S-Video cable (not supplied) to connect the DVD systems S-VIDEO jack to the S- Video input jack (or labeled as Y/C or S-VHS) on the TV. 2To listen to the T

23、V channels through this DVD system, use the audio cables (white/red-not supplied) to connect AUX IN L/R jacks to the corresponding AUDIO OUT jacks on the TV. Using an accessory RF modulator IMPORTANT! If your TV only has a single Antenna In jack (labeled as 75 ohm or RF In), you will need an RF modu

24、lator in order to view DVD playback on the TV. See your electronics retailer or contact Philips for details on RF modulator availability and operations. 1Use the composite video cable (yellow) to connect the DVD systems VIDEO jack to the video input jack on the RF modulator. 2Use an RF coaxial cable

25、 (not supplied) to connect ANTENNA OUT or TO TV jack on the RF modulator to the Antenna IN jack on the TV. 3Connect the Antenna or Cable TV service signal to the ANTENNA IN or RF IN jack on the RF modulator. (It may have been connected to your TV previously. Disconnect it from the TV.) 3 - 3 CONNECT

26、ION AND CONTROLS Step 5:Connecting FM antenna 1Connect the supplied FM antenna to the FM (75 ) jack. Extend the FM antenna and fix its end to the wall. For better FM stereo reception, connect an external FM antenna (not supplied). Note: Adjust the position of the antennas for optimal reception. Posi

27、tion the antennas as far as possible from your TV, VCR or other radiation source to prevent unwanted interference. Step 6:Connecting the power cord After everything is connected properly, plug in the AC power cord to the power outlet. Never make or change any connection with the power switched on. A

28、dditional: Connecting additional equipment IMPORTANT! Some discs are copy-protected. You cannot record the disc through a VCR or digital recording device. When making connections, make sure the colour of cables matches the colour of jacks. Always refer to the owners manual of the other equipment for

29、 complete connection and usage details. Viewing and listening to the playback of other equipment A Connect the systems AUX IN L/R jacks to the AUDIO OUT jacks on the other audio/visual device (such as a TV, VCR, Laser Disc player or cassette deck). Before starting operation, press SOURCE on the fron

30、t panel to select AUX or press AUX on the remote in order to activate the input source. Using the VCR for recording DVDs B Connect one of the systems VIDEO jack to the corresponding VIDEO IN jack and AUDIO OUT L/R jacks to the AUDIO IN jacks on the VCR. This will allow you to make analogue stereo (t

31、wo channel, right and left) recordings. Recording (digital) C Connect the systems COAXIAL or OPTICAL jack to the DIGITAL IN jack on a digital recording device. Before starting operation, set the DIGITAL OUT according to the audio connection. (See DIGITAL OUT.) Connecting an active subwoofer D Connec

32、t the DVD micro systems SUBWOOFER jack to the AUDIO INPUT jack on an active subwoofer (not supplied). Connecting to a TV with HDMI Jack E HDMI connects untouched and uncompressed digital transmission for the highest and crispest sound/image quality. It has plug and play capability using only one cab

33、le for both audio/video output. Use a HDMI cable (not supplied) to connect the HDMI jack on the DVD Player to HDMI IN on a HDMI compatible device (e.g.; TV, Projector, Adaptor). It may take a while for the DVD player and input device to communicate and initialise. Playback starts automatically. HDMI

34、 IN HDMI IN HDTV E Notes: Proceed to Setup Menu Options VIDEO SETUP PAGE HDMI SETUP for detailed HDMI setup. If you are using the HDMI as audio source make sure that DIGITAL OUTPUT is set to PCM only (see Setup Menu Options AUDIO SETUP PAGE DIGITAL AUDIO SETUP). To stop sound output from your TV aft

35、er making the HDMI connection, make sure that DIGITAL OUTPUT is set to SPDIF OFF (see Setup Menu Options AUDIO SETUP PAGE DIGITAL AUDIO SETUP). 3 - 4 CONNECTION AND CONTROLS DVD player and power amplifier 1ECO POWER/STANDBY-ON y switches on the system or puts it on to Eco power/normal standby mode.

36、2Display shows the current status of the DVD player. 3 starts or interrupts disc playback. 4PRESET + in tuner mode, selects a preset radio station forward. 5PRESET -/9 stops disc playback or erases a program. in tuner mode, selects a preset radio station backward. in Demo mode (on the system only),

37、activates/ deactivates the demonstration. 6MOVING SURROUND enables/disables the surround sound effect with moving speakers. 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 to start automatic search for a radio frequency downward/upward. 8OPENCLOSE opens or closes the disc tray. switches the system on. 9SOURCE selects the respective sound source: DVD/AUX/ TUNER. switches the system on. 0IR SENSOR point the remote control towards this sensor. !VO