Philips MCD-709 Service manual

Version 1.0

MCD709

Service Manual

DVD Micro System

all versions

Published by LX 0616 Service Audio Printed in The Netherlands Subject to modification

All rights reserved. No part of this publication may be reproduced, 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 measurement setup..........................................................2-2

Connections and controls......................................................3-1...3-4

Troubleshooting.....................................................................3-5...3-6

Disassembly diagram............................................................4-1...4-2

Software version check 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 (not for-/37).......................................................7-1

layout diagram (not for -/37) .....................................................7-2

circuit diagram (only for -/37)....................................................7-3

layout diagram (only for -/37)....................................................7-4

AMP BOARD

circuit diagram ..........................................................................8-1

layout diagram..........................................................................8-2

CPU BOARD

circuit diagram ..........................................................................9-1

layout diagram..........................................................................9-2

ALC VOLUME BOARD

circuit diagram ........................................................................10-1

layout diagram........................................................................10-2

DVD MPEG BOARD

circuit diagram..............................................................11-1...11-5

layout diagram........................................................................11-6

Exploded view diagram................................................................12-1

Mechanical partslist.....................................................................12-2

Electrical partslist...............................................................13-1...13-4

TABLE OF CONTENTS

CLASS 1

LASER PRODUCT

1 - 1

HANDLING CHIP COMPONENTS

1 - 2

2 - 1

TECHNICAL SPECIFICATIONS

GENERAL

Mains voltage

Mains frequency

Battery Power consumption

remote

normal : 85 W

Standby

-/93

220V

-/98

120/230V

-/12

230V

-/37

120V

-/93

50 Hz

-/98

50/

-/12

50 Hz

-/37

60 Hz

:3 V (AAA x 2)

:< 4 W

60 Hz

AMPLIFIER

Output power : 2 x 75 W Loaded impedance Frequency response

Dimension (W x H x D) Weight

2 x 8 ohm

: :

100 Hz - 20 kHz (±1dB) : 232 x 76 x 224 mm : 3.3 Kg

DVD

Video System : NTSC & PAL Frequency response Dimension (W x H x D) Weight

100 Hz - 20 kHz (±1dB) : 232 x 76 x 224 mm : 1.9 Kg

TUNER - FM SECTION

Tuning range : 87.5 - 108 MHz IF frequency Sensitivity Selectivity IF Rejection Image Rejection Distortion

Tuning Grid

300kHz : > 33 d B

: 10.7 MHz ± 0.02 MHz :< 22 dBf at 26dB

:> 60 dB :> 25 dB :< 3 % :

100/50 KHz

TUNER - AM SECTION

Tuning range : Tuning Grid IF frequency Sensitivity

Selectivity S9/300kHz IF rejection Distortion Image rejection

531 - 1602 kHz

9/10K Hz

450 kHz ± 1 kHz ≤ 3.25 mV/m at 26dB

: :> 12 dB :

:> 24 dB :< 5% :

:> 20 dB

DVD / MP3 / CD

Laser Type : Semiconductor Disc Diameter : 12cm / 8cm Video Decoding : MPEG-2 / MPEG-1 Signal System : PAL / NTSC Video S/N : 53 dB (min.) Composite Video Output : 1.0 Vp-p, 75 S-Video Output : Y - 1.0 Vp-p, 75

C - 0.286 Vp-p, 75 Audio DAC : 24 Bits / 96 kHz Frequency Response : 20 Hz - 20 kHz Channel Unbalance : < THD Noise : 0.5% No. of programmable tracks : 20 Signal-to-noise ratio : 70 dBA Channel separation : 40 dB (1 kHz)

tal harmonic distortion : < 0.02% (1 kHz)

2dB

: 35 dB (16 kHz)

: 30 dB (20 kHz)

2 - 2

3 - 1

CONNECTION AND CONTROLS

Connections

Step 4: Connecting TV

IMPORTANT!

–You only need to make one video

connection from the following options,

Step 2: Connecting speakers

Connect the speaker wires to the

SPEAKERS terminals, right speaker to “R”

and left speaker to “L”, coloured (marked)

wire to “+” and black (unmarked) wire to

depending on the capabilities of your TV.

– Connect the DVD system directly to

the TV .

“–”. Fully insert the stripped portion of the

speaker wire into the terminal as shown.

Using Composite Video jack

LINE OUT

SUBWOOFER terminal with the supplied

subwoofer cable by matching the plug

types.

2 Connect the passive subwoofer to the

Notes:

– Ensure that the speaker cables are correctly

SUB WOOFER

connected. Improper connections may damage the

system due to short-circuit.

–For optimal sound performance, use the

Use the composite video connectors (yellow) of

supplied speakers.

the supplied audio and composite video cables

(2-in1) to connect the DVD system's VIDEO

OUT jack to the video input jack (or labeled as

A/ V In, CVBS, Composite or Baseband) on the

TV.

system, use the audio connectors (white/ red) of

the supplied audio and composite video cables

(2-in1) to connect AUDIO IN jacks to the

2 To hear the TV channels through this DVD

cable

– 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 supplied. Please refer to

the SPECIFICATIONS section of this manual.

Step 3: Connecting the control

Connect the serial port marked “CONTROL

corresponding AUDIO OUT jacks on the TV.

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.

MW antenna

FM antenna

AC power

Connections

Speaker

(left)

(right)

AC power

Notes:

-To avoid magnetic interference, do not

position the front speakers too close to your

TV set.

-Allow adequate ventilation around the DVD

Step 1: Placing speakers

System.

Front

( right )

speaker

VIEWING AREA

( left )

Front

speaker

Place 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.

LINE OUT

Subwoofer

SUB WOOFER

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 power switched on.

3 - 2

CONNECTION AND CONTROLS

antenna

Connections

antenna

antennas

the slot

fix the claw into

Step 5: Connecting FM/MW

RF coaxial cable to TV

AUDIO IN

R L

VIDEO

TO TVINT IN

CH3 CH4

SUB WOOFER

the wall.

Connect the supplied MW loop antenna to the

MW jack. Place the MW loop antenna on a shelf

LINE OUT

or attach to a stand or wall.

Connect the supplied FM antenna to the FM (75

ohm) jack. Extend the FM antenna and fix its end

external FM antenna (not supplied).

For better FM stereo reception, connect an

Note:

– Adjust the position of the antennas for optimal

reception.

–Position the antennas as far as possible from

your TV, VCR or other radiation source to prevent

unwanted interference.

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 modulator in order to

Using S-Video jack

IMPORTANT!

– If S-Video is used for DVD playback

connection, the system’s VIDEO OUT

setting will need to be changed

view DVD playback on the TV. See your

electronics retailer or contact Philips for

details on RF modulator availability and

accordingly.

ANT IN

operations.

Use the composite video cable (yellow) to

connect the DVD system’s VIDEO OUT jack to

the video input jack on the RF modulator.

Use an RF coaxial cable (not supplied) to

connect ANTENNA OUT or TO TV jack on the

RF modulator to the Antenna IN jack on the TV.

Connect 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.)

LINE OUT

SUB WOOFER

the DVD system’s S-VIDEO jack to the S-Video

input jack (or labeled as Y/C or S-VHS) on the

TV.

system, use the audio cables (white/red) to

connect AUDIO IN-TV jacks to the

corresponding AUDIO OUT jacks on the TV.

1 Use an S-Video cable (not supplied) to connect

2 To hear the TV channels through this DVD

Using Component Video jacks (Y Pb Pr)

IMPORTANT!

– The progressive scan video quality is

only possible when using Y Pb Pr, and a

Connections

progressive scan TV is required.

ressive scan.

LINE OUT

SUB WOOFER

not supplied) to connect the DVD system's Y Pb

Pr jacks to the corresponding Component video

input jacks (or labeled as Y Pb/Cb Pr/Cr or YUV)

on the TV.

system, use the audio cables (white/red) to

connect AUDIO IN-TV jacks to the

corresponding AUDIO OUT jacks on the TV.

indicate Progressive Scan or ProScan capability),

to activate TV Progressive Scan, please refer to

your TV user manual. For DVD 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 on the remote to exit the system

menu and then DISC to exit

1 Use component video cables (red/blue/green -

2 To hear the TV channels through this DVD

3 If you are using a Progressive Scan TV (TV must

3 - 3

CONNECTION AND CONTROLS

857

6 6

Functional Overview

1 2 43

settings (FLAT, POPS, JAZZ, CLASSIC or ROCK).

7 OPEN•CLOSE

8 DSC

– opens or closes the disc tray.

– selects different types of preset sound equalizer

709

AUX1/AUX2/FM/MW.

9 SOURCE

– selects the respective sound source: DVD/

setting mode.

0 IR SENSOR

– switches the system on.

! VOLUME -/+

– point the remote control towards this sensor.

– adjusts the volume upward/downward.

– adjusts the hours and minutes in clock/timer

– switches the set timer ON or OFF.

9 0 !

– stops disc playback or erases a program.

– in tuner mode, selects a preset radio station

backward.

6 /

Disc:

Tuner:

– skips to the previous/next chapter/title/track.

DVD player and power amplifier

STANDBY-ON B

– switches the system on or to standby mode.

2 Display

forward.

– starts or interrupts disc playback.

– shows the current status of the DVD player.

4 PRESET +

5 PRESET-/9

– in tuner mode, selects a preset radio station

Viewing and listening to the playback of

other equipment A

jacks to the AUDIO OUT jacks on the

Connect the system's AUX IN (R/L)

cord

Step 6: Connecting the power

Connections

plug in the AC power cord to the power

After everything is conec ted properly,

the front panel to select AUX or press AUX on

other audio/visual device (such as a TV,

VCR, Laser Disc player or cassette deck).

outlet.

the remote in order to activate the input source.

Before starting operation, press SOURCE on

power switched on.

Never make or change any connection with the

Using the VCR for recording DVDs B

to the corresponding VIDEO IN jack and

LINE OUT (R/L) jacks to the AUDIO IN

jacks on the VCR. This will allow you to

make analogue stereo (two channel, right

Connect one of the system's VIDEO jacks

Additional: Connecting

additional equipment

IMPORTANT!

– Some discs are copy-protected. You

cannot record the disc through a VCR or

digital recording device.

Recording (digital) C

OPTICAL jack to the DIGITAL IN jack

on a digital recording device (such as DTS-

and left) recordings.

Digital Theatre compatible, with Dolby

Connect the system's COAXIAL or

–When making connections, make sure

the colour of cables matches the colour

of jacks.

– Always refer to the owner’s manual of

the other equipment for complete

connection and usage details.

Digital decoder).

OUT according to the audio connection.

Before starting operation, set the DIGITAL

AUDIO IN

VIDEO IN

(See "DIGITAL OUT".)

VCR

LIE OUT

Connecting an active subwoofer D

SUBWOOFER jack to the AUDIO

INPUT jack on an active subwoofer (not

supplied).

Connect the DVD micro system's

AUDIO OUT

SUB WOOFER

Television

INPUT

AUDIO

3 - 4

CONNECTION AND CONTROLS

Functional Overview

) DIM

display screen.

– selects different levels of brightness for the

ANGLE

– selects a subtitle language.

™

¡ SUBTITLE

– selects a DVD camera angle.

£ DISPLAY

playback

AUDIO

– displays information on TV screen during

≤

mode.

for VCD/DivX

for DVD

– repeats playback of a specific section on a disc.

∞ A-B

– sets Stereo, Mono-Left or Mono-Right sound

– selects an audio language.

§ MODE

– selects various repeat modes or the shuffle play

mode for a disc. ≥SLOW

DivX/VCD/SVCD/DVD.•DBB

– selects different slow playback modes for a

version)

channel output (SUR5.1 or DVD5.1).

– enables or disables bass enhancement.

– selects 2.1 channel output (2.1CH) or 5.1

ª SURROUND (unavailable for this

º VOL.SEL (unavailable for this version)

settings (FLAT, POPS, JAZZ, CLASSIC or

ROCK).

– adjusts volume level for individual speakers.

– selects different types of preset sound equalizer

⁄ DSC

adjustment.

– enables or disables automatic loudness

¤ LOUDNESS

Tuner

gradually.

– press to tune to a lower/higher radio frequency

– DVD/VCD/CD: enters the program menu.

– press and hold, then release the key to start

track to/from the program list.

– Picture CD: during playback, to select a slide

– MP3/WMA-CD: adds/deletes a programmed

@ TU +/- ( / )

4 PROG

automatic search for a radio frequency

downward/upward.

Disc

– searches backward/forward in a disc at different

show mode.

5 GOTO/ST

– Disc: fast searches in a disc by entering a time,

– Tuner: programs preset radio stations.

speeds.

# VOLUME +/-

title, chapter or track.

– FM: sets stereo or mono sound mode.

)

setting mode.

– adjusts the volume upward/downward.

– adjusts the hours and minutes in clock/timer

6 SYSTEM (disc mode only)

– enters or exits the system menu.

$ CH +/- (

– switches the set timer ON or OFF.

– Disc: skips to the previous/next chapter/title/

menu.

7 DISC MENU (disc mode only)

–DVD/VCD: enters or exits the disc contents

– VCD2.0: switches the playback control mode on

track

– Tuner: selects a preset radio station.

or off .

– MP3/WMA: switches between Album and Filelist.

8 4 / 3 / 2 / 1

– starts or interrupts disc playback.

– selects an item in a menu.

–moves an enlarged picture up/down/left/right.

^ 9

– stops disc playback or erases a program.

9 OK

AUX1/AUX2/FM/MW.

& DISC/TUNER/AUX

– selects the respective sound source for DVD/

picture or active image on the TV screen.

– confirms a selection.

0 ZOOM

–DVD/VCD/Picture CD: enlarges or reduces a

MW and FM

– For tuner (TUNER): press to switch between

– exits P-SCAN (progressive scan). (Only for

! MUTE

– disables or enables sound output.

DISC)

* SLEEP/TIMER

)

•

≤

Standby mode

automatically.

Power-on mode

– sets time for switching on the system

⁄

≥

( CLOCK

– sets the sleep timer function (auto off).

Standby mode

Playback mode

– sets the system clock.

– displays the system clock.

Functional Overview

Remote control

– switches the system on/ off.

– opens or closes the disc compartment

2 0

– inputs a track/title/chapter number of the disc.

3 Numeric Keypad (0-9)

– inputs the number of a preset radio station.

∞

(

™

3 - 5

TROUBLESHOOTING

Troubleshooting

The aspect ratio is fixed on the DVD disc.

Depending on the TV, it may not be possible to

change the aspect ratio.

Adjust the volume.

Check that the speakers are connected

correctly.

on the remote) to resume normal play

Replace the speaker cables.

Disconnect the headphones.

The system is in pause, slow motion or fast

forward/reverse mode, press PRESET/ (or

mode.

Insert a readable disc with the playback side

facing down.

Check the disc type, colour system and regional

code. Check for any scratches or smudges on

the disc.

Press SYSTEM MENU to turn off the setup

menu screen.

Cancel the parental control rating function or

change the rating level.

Moisture has condensed inside the system.

Remove the disc and leave the system turned

on for about an hour.

Disconnect the power plug from the outlet and

insert again.

Multi-language sound or subtitle is not

recorded on the DVD.

Changing the language for the sound or subtitle

is prohibited on the DVD.

The features may not be available on the disc.

Tune in to the correct frequency.

Connect the antennas.

Fully extend the FM wire antenna. Position for

stem and

best reception and secure to a wall.

Connect an outdoor FM or MW antenna.

Adjust the direction and position for best

reception.

Place the antenna farther away from any

equipment that may be causing the noise.

Increase the distance between the s

The aspect ratio of the screen cannot be

changed even though you have set the TV

shape.

No sound or distorted sound.

Solution

Check if the AC power cord is properly

connected.

Press STANDBY ONB on the top of the DVD

micro system or B on the remote to turn on

The micro DVD player does not start

playback.

the power.

Check if the TV is switched on.

Check the video connection.

Press SOURCE on the top of the DVD player

repeatedly to select “DVD” or press DISC on

the remote.

Set your TV to the correct Video In channel. This

channel is usually near channel 00. Or, you may

have a button on the TV remote control that

selects Auxiliary or A/V IN channel. See your TV

owner’s manual for details. Or, change channels

at the TV until you see DVD screen on the TV.

If the progressive scan feature is activated but

The DVD micro system does not

respond when the buttons are pressed.

the connected TV does not support progressive

signals or the cables are not connected

accordingly, see page 50-51 for proper

Cannot activate some features, such as

progressive scan setup or deactivate the

progressive scan feature as below:

1) Turn off your TV progressive scan mode or

Angles, Subtitles, or multi-language

Audio.

turn on to interlaced mode.

2) Press SYSTEM on the remote to exit the

system menu and then DISC to exit progressive

scan.

Considerable noise in radio broadcasts.

Sometimes a small amount of picture distortion

may appear. This is not a malfunction.

Clean the disc.

TV has a colour system standard. If the disc’s or

DVD system’s colour system is different than

your TV’s colour system, the picture may be

distorted or colourless.

WARNING

Under no circumstances should you try to repair the system yourself, as this will invalidate the

warranty. Do not open the system as there is a risk of electric shock.

Troubleshooting

Problem

If a fault occurs, first check the points listed below before taking the system for repair. If you

are unable to remedy a problem by following these hints, consult your dealer or Philips for

help.

No power.

No picture.

Distorted or poor picture.

Completely distorted picture or black/

white picture.

3 - 6

TROUBLESHOOTING

Select the correct source (DISC or TUNER, for

example) before pressing the function button.

Point the remote control at the remote sensor

of the unit.

The remote control does not function.

Troubleshooting

Reduce the distance to the player.

Remove any possible obstacles.

Replace the batteries with new ones.

Check that the batteries are loaded correctly.

Press DIM again.

Place the DVD micro system as far away as

possible from electrical devices that may be

causing interference.

The display is dark.

Low hum or buzz sound.

Check all speakers for correct polarity.

Low bass response.

Check that the output of the video signal is

switched to 'Pr/Cr Pb/Cb Y'.

Unable to select Progressive Scan

4 - 14 - 1

DISASSEMBLY DIAGRAM - DVD PART

A.Remove Bottom Cover A1.remove screws M2.5x4(8pcs)

D.Remove Back Panel D*remove screws T3x4(5pcs)and M3x10(5pcs)and T3x8(1pc)

D2 D3

E. Remove Top Cover

H.Remove Slid Plank

I.Remove VFD board assy

B*.remove screws M3x10(8pcs) and M3x8(3pcs) C*.remove screws M3x8(4pcs) and T3x4(2pcs)

E1 E2

*M2.5x5 *M2.6x8

G. Remove DVD Rom and then remove DVD Decoder Card Assy

I.Remove Side metal Plate

+ 28 hidden pages