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Philips MCD268 Service Manual

Dvd micro system
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See also: User Manual
DVD Micro System

TABLE OF CONTENTS

Location of PCBS ............................................................ 1-1
Specifications ................................................................. 1-2
Measurement Setup ....................................................... 1-3
Service Aids, Safety Instruction, etc. .............................. 1-4
Instructions On CD Playability .............................. 1-5 to 1-6
Software Version Check & Upgrade .............................. 2-1
Malfuction Check Chart .................................................. 2-2
.................................................. 3-1
Block Diagram ................................................................. 4-1
Wiring Diagram................................................................. 4-2
VFD Board ......................................................................
Circuit diagram ............................................................ 5-1
Layout diagram............................................................ 5-2
.................................................................
Circuit diagram ............................................................ 6-1
Layout diagram............................................................ 6-2
2008
DB 0811
Headphone Board ............................................................
.................................................................
Circuit diagram .................................................. 8-1...8-2
Layout diagram............................................................ 8-3
Decode Board .................................................................
Circuit diagram .................................................. 9-1...9-6
Layout diagram.................................................. 9-7...9-8
Explode View ................................................................. 10
Service Partlist ................................................................. 11
Factory Partlist ................................................................. 12
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MCD268
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3141 785 32520

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Summary of Contents for Philips MCD268

  • Page 1: Table Of Contents

    DVD Micro System MCD268 TABLE OF CONTENTS Location of PCBS ............1-1 Headphone Board ............Specifications ..............1-2 Power Board ..............Measurement Setup ............1-3 Circuit diagram ..........8-1...8-2 Service Aids, Safety Instruction, etc....... 1-4 Layout diagram............8-3 Instructions On CD Playability ......1-5 to 1-6 Decode Board ..............

  • Page 2: Location Of Pcbs

    Location of PCBS TUNER BOARD HEADPHONE BOARD DECODE BOARD DISPLAY BOARD VERSION VARIATIONS : Type /Versions: MCD268 Service policy Board in used: DISPLAY BOARD TUNER BOARD HEADPHONE BOARD DECODE BOARD POWER BOARD Type /Versions: MCD268 Features Feature diffrence VOLTAGE SELECTOR √...

  • Page 3: Specifications

    Specifications AMPLIFIER SPEAKERS Rated Output Power ......2 x 45W RMS Speaker Impedance ..........4ohm 65 dBA Signal-to-noise ratio ......Speaker Driver, base ...........4.5" Frequency response ... 100Hz – 15KHz, ± 3 dB Speaker Driver, tweeter ..........3" Aux Input ........0.5V RMS 47kohm Frequency Response ........

  • Page 4: Measurement Setup

    MEASUREMENT SETUP Tuner FM Bandpass LF Voltmeter 250Hz-15kHz e.g. PM2534 e.g. 7122 707 48001 RF Generator e.g. PM5326 S/N and distortion meter e.g. Sound Technology ST1700B Use a bandpass filter to eliminate hum (50Hz, 100Hz) and disturbance from the pilottone (19kHz, 38kHz). Tuner AM (MW,LW) Bandpass LF Voltmeter...
  • Page 5 SERVICE AIDS WARNING All ICs and many other semi-conductors are susceptible to electrostatic discharges (ESD). Careless handling during repair can reduce life drastically. When repairing, make sure that you are connected with the same potential as the mass of the set via a wrist wrap with resistance. Keep components and tools also at this potential.

  • Page 6: Instructions On Cd Playability

    INSTRUCTIONS ON CD PLAYABILITY Customer complaint "CD related problem" Set remains closed! check playability playability ok ? For flap loaders (= access to CD drive possible) "fast" lens cleaning cleaning method is recommended check playability playability ok ? Play a CD for at least 10 minutes check playability playability...
  • Page 7 INSTRUCTIONS ON CD PLAYABILITY PLAYABILITY CHECK LIQUID LENS CLEANING Before touching the lens it is advised to clean the surface of the lens by blowing clean air over it. For sets which are compatible with CD-RW discs This to avoid that little particles make scratches on use CD-RW Printed Audio Disc ....7104 099 96611 the lens.

  • Page 8: Software Version Check & Upgrade

    Disc menu Parental MPEG version check Default 1.Downloading the firmware for Philips support website http://www.philips.com/support 4.Pressing the key of left、right,up、right to move to the “Playback” and them 2.Prepare as uploasding CD. pressing OK to confirm which means OK to upgrade the “Playback”.

  • Page 9: Malfuction Check Chart

    Malfunction Check Chart...

  • Page 10: Disassembly Diagram

    Disassembly Diagram...

  • Page 11: Block Diagram

    Block Diagram POWER BOARD TL072 IC305 IC306 DECODER BOARD IC307 TUNER BOARD IC305 IC302 DECODER BOARD IC304 DISPLAY BOARD...

  • Page 12: Wiring Diagram

    Wiring Diagram...

  • Page 13: Vfd Board

    VFD BOARD - Circuit Diagram / 0 .

  • Page 14: Layout Diagram

    VFD BOARD - Layout Diagram...

  • Page 15: Tuner Board

    TUNER BOARD - Circuit Diagram...

  • Page 16: Layout Diagram

    TUNER BOARD - Layout Diagram...

  • Page 17: Headphone Board

    HEADPHONE BOARD...
  • Page 18 POWER BOARD - Circuit Diagram - 1 471 /400V 471 /400V 222 /400V 10 UH 1 /4W 1/4W 2 .2R 220R -12V Go A MP CE19 FR104 68 K/1W 103 P/630V 47 U/25V I N 5408 I N 5408 68 U/400V 68 U/400V FR157 220 U/25V...
  • Page 19 POWER BOARD - Circuit Diagram - 2 Go L2 -12V -12V CE30 563M CE16 8050 330R 100UF/25V 10uf/50v 334/50V 2.2K 100uf/16v 7.5K 8550 102/50V CE11 7.5K CE18 220UF/25V 1uf/25V 683/100V 473/100V 8550 8050 1/4W 10K 4.7K 330R 8050 IC501 TL072 100R CE13 100K...

  • Page 20: Power Board

    POWER BOARD - Layout Diagram...
  • Page 21 DECODER BOARD - Circuit Diagram - 1 J 12 8 A _2 .0 V CC _ T UN R 131 R 132 C O A X I AL T UN -L T UN -R D 34 D 35 T UN / + 5V F B _08 05 V CC _ T UN A G ND...
  • Page 22 DECODER BOARD - Circuit Diagram - 2 V CC R ESET C i r c u it + 5 VV V 33 D V 33 D V 33 V CC AV CC R 118 C E 28 + C E 30 C B3 + C E 29 C B 72...
  • Page 23 DECODER BOARD - Circuit Diagram - 3 92_ D V 33 D V 33 92 D A C _ AV DD3 C B 55 C B 56 C B 57 C B 54 0 . 1 uF 0 . 1 uF 0 .
  • Page 24 DECODER BOARD - Circuit Diagram - 4 + 5 VV + 5 VV R 60 C E 70 C E 71 C E 15 10u F / 16V 2 . 2k D V D - L IN R 61 C B 50 10u F / 08 05 10u F / 08 05 3 .
  • Page 25 DECODER BOARD - Circuit Diagram - 5 V 33 R F V 33 R F V DD3 C B7 0 . 1uF C B8 C B9 C B 10 C B 11 C B 12 C B 13 U 2A U 2B R 37 2 .
  • Page 26 DECODER BOARD - Circuit Diagram - 6 AV CC 4 . 7k I OA 0 . 1 u F / NC 2 N 3904 2200pF 4 . 7k 680k R 10 A D IN 2 N 3904 AV CC O PO 2 N 3904 O P- O P+...

  • Page 27: Layout Diagram

    DECODER BOARD - Layout Diagram - 1...

  • Page 28: Layout Diagram

    DECODER BOARD - Layout Diagram - 2...

  • Page 29: Explode View

    10-1 10-1 EXPLODE VIEW D129 D121...

  • Page 30: Accessories Parts List

    11-1 ACCESSORIES PARTS LIST 996510013864 RCA CABLE 3P+D.3.5PLUG 1.5M 994000004892 FM ANT L=1.5M 996510013875 REMOTE CONTROL ASSY SPEAKER BOX ASS'Y 996510013876 SPEAKER BOX ASSY(L) 996510013877 SPEAKER BOX ASSY(R) 996510013878 SUBWOOFER SPEAKER BOX ASSY ELECTRICAL PARTS FOR AMP D101 996510013871 MAIN DISPLAY FRAME ASSY D103 996510010934 FUNCTION BUTTON ASSY...

  • Page 31: Factory Partlist

    12-1 Factory Partlist LOCATION DESCRITION QTY. UNIT MCD268/93 MAIN UNIT PARTS ASS'Y D106 MCD268/55/98 MAIN DISPLAY BOARD ASS'Y T902 ? TRANSFORMER EE13 5V R322 CARBON FILM RESISTOR 10 1/8W J-52 R306 CARBON FILM RESISTOR 100 1/8W J-52 R307 CARBON FILM RESISTOR 100 1/8W J-52...
  • Page 32 12-2 Factory Partlist LOCATION DESCRITION QTY. UNIT R349 CARBON FILM RESISTOR 10 1/4W J-52 R350 CARBON FILM RESISTOR 10 1/4W J-52 R352 CARBON FILM RESISTOR 10 1/4W J-52 R303 CARBON FILM RESISTOR 10 1/4W J-52 NAIL BOARD CERAMIC CAP. 100p 50V K C302 CERAMIC CAP.
  • Page 33 12-3 Factory Partlist LOCATION DESCRITION QTY. UNIT IC306 IC PCF8563/AMI8563 SOP8 IC305 IC PT6311/SC16311/CD16311 S301 IR SENSOR SMALL BLACK 1MA81P14D1TD0001 X302 CERAMIC CRYSTAL OSCILLATOR 4.19mHz X902 CRYSTAL OSCILLATOR 32.768KHz Φ3XH8±10PPM SW305 LIGHT TOUCH SWITCH 6X6X4.3 130g SW306 LIGHT TOUCH SWITCH 6X6X4.3 130g SW307 LIGHT TOUCH SWITCH 6X6X4.3 130g SW308...
  • Page 34 12-4 Factory Partlist LOCATION DESCRITION QTY. UNIT CHIP CAP.224P 50V M (0603) Y5V CHIP CAP.224P 50V M (0603) Y5V TANTALUM CAP. 22uF/6.3V (A) (3216) TANTALUM CAP. 22uF/6.3V (A) (3216) TANTALUM CAP. 22uF/6.3V (A) (3216) TANTALUM CAP. 22uF/6.3V (A) (3216) TANTALUM CAP. 22uF/6.3V (A) (3216) CHIP CAP.27P 50V J(0603) NPO CHIP CAP.100P 50V K (0603) X7R CHIP CAP.100P 50V K (0603) X7R...
  • Page 35 MCD288 ROCKER ABS D104 MCD288 MAIN PANEL ABS D104C MCD288 CONNECT BRACKET ABS D104B MCD288 STANDBY-OPEN-KNOB ABS BLACK MCD268/98 MAIN DISPLAY FRAME ASS'Y D101A MCD288E DISPLAY LENS PC D101B MCD288 ROUND LIGHT-GUIDE PMMA D101 MCD288 FRONT LENS BRACKET ABS D101C...
  • Page 36 REMOTE CONTROL ASS'Y PRC500-47 MCD268/93 SPEAKER BOX ASS'Y(L) MCD268/93 SPEAKER BOX ASS'Y(R) MCD268/93 SUBWOOFER SPEAKER BOX ASS'Y MCD288E/12 POWER BOARD ASS'Y IC TDA8947J POWER BOARD ASS'Y DVD AMP POW180 FOR/12 MCD289 HEAT SINK BRACKET 40X42X80 MCD268/93 SUBWOOFER SPEAKER BOX CASING ASS...

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