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DVD-Video Player
©
Copyright 2001 Philips Consumer Electronics B.V. Eindhoven, The Netherlands.
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.
Published by MW 0162 Service PaCE
Contents
1
Technical specifications and connection facilities 2
2
Warnings, laser safety instructions and notes
3
Directions for use
4
Mechanical instructions and exploded views
5
Diagnostic software descriptions and
troubleshooting
6
Block- and wiring diagram
Blockdiagram
Wiring diagram
Electrical diagrams and print-layouts
7
Power supply
A/V Board Video control
A/V Board Audio
Display panel
Bare board Standby
8
Electrical alignments
9
Circuit descriptions and
List of abbreviations
10 Spare part list
Printed in the Netherlands
DVD703 /031 /691 /751 /781
Page
3
6
15
20
39
40
Diagram PWB
41
42-43
(Diagram A1)
44
46-47
(Diagram A2)
45
46-47
(Diagram D)
48
49
50
50
51
51
54
55
Subject to modification
DVD703 /XX1
CL 16532007_071.eps
140201
5 3122 785 11100

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Summary of Contents for Philips DVD703/1 Series

  • Page 1 10 Spare part list © Copyright 2001 Philips Consumer Electronics B.V. Eindhoven, The Netherlands. 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.
  • Page 2 GB 2 DVD703 /XX1 Technical specifications 1. Technical specifications Specifications PLAYBACK SYSTEM CONNECTIONS DVD-Video Y Output Cinch (green) Video CD & SVCD Output Cinch (blue) CD (CD-Recordable and CD-Rewritable) Output Cinch (red) DVD+RW S-Video Output Mini DIN, 4 pins Video Output Cinch (yellow) OPTICAL READOUT SYSTEM Audio L+R output...
  • Page 3 Warnings and Laser safety instructions DVD703 /XX1 GB 3 2. Warnings and Laser safety instructions WARNING WAARSCHUWING All ICs and many other semi-conductors are Alle IC’s en vele andere halfgeleiders zijn susceptible to electrostatic discharges (ESD). gevoelig voor elektrostatische ontladingen Careless handling during repair can reduce (ESD).
  • Page 4 GB 4 DVD703 /XX1 Warnings and Laser safety instructions LASER SAFETY This unit employs a laser. Only a qualified service person should remove the cover or attempt to service this device, due to possible eye injury. LASER DEVICE UNIT Type: Semiconductor laser GaAlAs Wave length: 650 nm (DVD)
  • Page 5 Warnings and Laser safety instructions DVD703 /XX1 GB 5 Notes 2.1.1 DVD-Module For repair of the DVD-module ASD1, the service manual 3122 785 10840 has to be used. 2.1.2 Compair For assistance with the repair process of the monoboard an electronic Fault finding guidance has been developed , this program is called COMPAIR.
  • Page 6 GB 6 DVD703 /XX1 Directions for use 3. Directions for use...
  • Page 7 Directions for use DVD703 /XX1 GB 7...
  • Page 8 GB 8 DVD703 /XX1 Directions for use...
  • Page 9 Directions for use DVD703 /XX1 GB 9...
  • Page 10 GB 10 DVD703 /XX1 Directions for use...
  • Page 11 Directions for use DVD703 /XX1 GB 11...
  • Page 12 GB 12 DVD703 /XX1 Directions for use...
  • Page 13 Directions for use DVD703 /XX1 GB 13...
  • Page 14 GB 14 DVD703 /XX1 Directions for use...
  • Page 15 Mechanical instructions DVD703 /XX1 GB 15 4. Mechanical instructions Dismantling instructions...
  • Page 16 GB 16 DVD703 /XX1 Mechanical instructions Exploded views...
  • Page 17 Mechanical instructions DVD703 /XX1 GB 17...
  • Page 18 GB 18 DVD703 /XX1 Mechanical instructions CL06532147_001.eps 151100...
  • Page 19 Mechanical instructions DVD703 /XX1 GB 19 Service position See figure 4-1 for the service position Remove the cables from the cable tie housing. Remove 4 screws that mount the DVD module to the bottom frame. Move the DVD module backward slightly and flip the module over, so that the component side of the board faces upwards, and the module is in the service position.
  • Page 20 GB 20 DVD703 /XX1 Diagnostic software descriptions and troubleshooting 5. Diagnostic software descriptions and troubleshooting Dealerscript 5.1.2 Contents of Dealer Script The dealer script executes all diagnostic nuclei that do not 5.1.1 Purpose of Dealer Script need any user interaction and are meaningful on a standalone DVD player.
  • Page 21 Diagnostic software descriptions and troubleshooting DVD703 /XX1 GB 21 PLAYER SCRIPT 5.2.4 Survey 5.2.1 Purpose of Player Script Press 2 keys simultaneously <OPEN/CLOSE> + <STOP> The Player script will give the opportunity to perform a test Connect to mains that will determine which of the DVD player's modules are faulty, to read the error log and error bits and to perform an endurance loop test.
  • Page 22 GB 22 DVD703 /XX1 Diagnostic software descriptions and troubleshooting DISPLAY PCB key id. 5.3.1 DISPLAY TEST PLAY NEXT The display test is performed by nucleus DispDisplay. By PREVIOUS putting a series of test patterns on the local display, the local PAUSE display is tested.
  • Page 23 Diagnostic software descriptions and troubleshooting DVD703 /XX1 GB 23 control test is successful if a code was received before the user pressed the NEXT key; pressing the NEXT key before pressing a key on the remote control gives an error in the remote control test (note that the remote control test will also fail if a key on the remote control was pressed but no code was received).
  • Page 24 GB 24 DVD703 /XX1 Diagnostic software descriptions and troubleshooting asking the user for confirmation. The display will show the The test can be left by pressing the NEXT key for more than following message: one second. 5.4.3 SOUND 2 TEST The second soundtest is performed by producing a sine sound (nucleus AudioSineOn).
  • Page 25 Diagnostic software descriptions and troubleshooting DVD703 /XX1 GB 25 of the disc motor (nucleus BeDiscMotorOff). If the user presses NEXT before pressing PLAY or PAUSE, the result of this test will be TRUE (disc motor is running). 5.5.5 FOCUS TEST(visual test) CL 96532065_020.eps 120799 The fourth Basic Engine test tests the focussing;...
  • Page 26 GB 26 DVD703 /XX1 Diagnostic software descriptions and troubleshooting 5.5.8 TRAY TEST As a last action for the Basic Engine tests, the tray test is repeated. The local display will look as follows: CL 96532065_030.eps 120799 Figure 5-34 CL 96532065_027.eps The left side of the display contains a 3-digit code, which can 120799 have a value between 000 and 111.
  • Page 27 Diagnostic software descriptions and troubleshooting DVD703 /XX1 GB 27 ERROR CODES LOOP TEST ERROR CODE NUCLEUS NUMBER ERROR DESCRIPTION 0601 Calculated checksum of FLASH is not correct 1101 I2C bus busy before start 1102 NVRAM access time-out 1103 No NVRAM Acknowledge 1104 NVRAM reply time-out 1201...
  • Page 28 GB 28 DVD703 /XX1 Diagnostic software descriptions and troubleshooting 5.6.1 Servicing DVD loader The DVD Loader / mechanism, VAL6011, has to be exchanged completely in case of failure. A new mechanism can be ordered with codenumber 9305 023 61101. 5.6.2 Reprogramming of new mono boards.
  • Page 29 Diagnostic software descriptions and troubleshooting DVD703 /XX1 GB 29 Test Instruction Audio/Video Board 5.7.3 Audio DAC and amplifier Ensure that the Audio mute signal is OFF These test instructions can be used for all versions of the A/ To check the DAC and buffer amplifier,send the following V board which has the following outputs: commands: •...
  • Page 30 General To check the functionality of the Kill circuitry,the audio outputs has to be present by the following command: • Oscilloscope measurements have been carried out using Command a Philips PM3392A. Ref.# Name Remarks Audio output • Impedance of measuring-equipment should be > 1MΩ.
  • Page 31 Check at pin 23 of the µP if this line switches from low (< ch1: low =-34.2 V ch1: high= 3.98 V 0.3V) to high (> 4.5V), while pressing a key on a Philips RC5 or RC6 remote control. 5.8.8 Karaoke interface The karaoke interface (4 lines) is a single direction communication.
  • Page 32 GB 32 DVD703 /XX1 Diagnostic software descriptions and troubleshooting Troubleshooting 5.9.1 Troubleshooting A/V board Testing of A/V board can be done using diagnostic software “PLAYER SCRIPT”. MONO board is used to generate a sound with the sound tests SND-1 and SND-2 or a VIDEO signal with the picture “DIAGNOSTIC SOFTWARE: SCRIPT INTERFACES”.
  • Page 33 Diagnostic software descriptions and troubleshooting DVD703 /XX1 GB 33 AUDIO WAVEFORM MEASUREMENT PM3392A PM3380B PM3392A m1.1 CH1!2.00 V~ MTB 500ns ch1+ CH1 2.00 V~ MTB1.00us ch1+ CH1! 200mV~ MTB10.0ms ch1+ TP24 : ANALOG OUT DAC ( PINK NOISE ) PM3380B PM3392A PM3392A PM3392A...
  • Page 34 GB 34 DVD703 /XX1 Diagnostic software descriptions and troubleshooting AUDIO PART OF AUDIO/VIDEO BOARD 3139 243 30161 START NO DIGITAL OUTPUT ON COAXIAL 1011 To activate the "Player Script ",press Open/Close and Stop keys on the local keyboard of the DVD player ACTIVATE simultaneously.
  • Page 35 Diagnostic software descriptions and troubleshooting DVD703 /XX1 GB 35 VIDEO PART OF AUDIO/VIDEO BOARD 3139 243 30161 START NO PICTURE CVBS , Y/C , YUV To activate the "Player Script ",press Open/Close and Stop keys on the local keyboard of the DVD player ACTIVATE simultaneously.
  • Page 36 GB 36 DVD703 /XX1 Diagnostic software descriptions and troubleshooting VIDEO WAVEFORM MEASUREMENT PM3392A PM3392A PM3380B 200mV~ MTB20.0us ch1+ 200mV~ MTB20.0us ch1+ TP 1 : VIDEO B TP 6 : Y_ENC TP 19 : V_VID OUT PM3392A PM3392A PM3380B 500mV~ MTB20.0us ch1+ 200mV~ MTB20.0us...
  • Page 37 Diagnostic software descriptions and troubleshooting DVD703 /XX1 GB 37 TROUBLESHOOTING POWER SUPPLY UNIT VFM WR START Power Supply Check DC voltages +12V, +5Vstdby, -8Vstdby, +5V,+3V3 Disconnect the power supply from the MAIN Board Connect dummy load resistors 10W ( min 5W ) : 10 ohm at +3V3, 15 ohm at +12V and ground Power Supply OK Check DC voltages...
  • Page 38 GB 38 DVD703 /XX1 Diagnostic software descriptions and troubleshooting Personal notes:...
  • Page 39 Alignments DVD703 /XX1 GB 51 8. Alignments No electrical alignments available 9. Circuit descriptions and list of abbreviations Current mode Power Supply 9.1.1 Introduction The switch mode power supply ( SMPS ) is mains isolated. The control IC 7145 ( UC 3842A ) produces pulses to drive the power switch, Mosfet 7125.
  • Page 40 GB 52 DVD703 /XX1 Circuit descriptions and list of abbreviations 9.1.4 Pin function description CL06532096_011.eps 060700 Figure 9-2 9.1.5 Pin connection • 3V3 ( For Monoboard, A/V board ) The 3V3 power supply is regulated by the control loop comprising of 7201, 7131 and 7145 of the switch mode PSU.
  • Page 41 Circuit descriptions and list of abbreviations DVD703 /XX1 GB 53 via D6133, R3135 which will takeover the supply voltage of it goes into the overvoltage protection and a complete restart T7145 at pin 7. sequence is required. 9.2.3 Secondary voltage sensing The secondary voltage regulating circuit comprise of the opto-coupler 7131 which isolate the error signal from the control IC7145 ,on the primary side, and a reference...
  • Page 42 GB 54 DVD703 /XX1 Circuit descriptions and list of abbreviations List of abbreviations Buffered Video input Blue from DVD monoboard BC_AUX Blue or Chroma input from AUX- scart BC_TV Blue or Chroma output to TV-scart C_ENC Buffered Chroma input from DVD monoboard CVBS Buffered Composite video input from...
  • Page 43 Spare parts list DVD703 /XX1 GB 55 10. Spare parts list Various 2229 4822 122 31765 100pF 2% 63V 3231 4822 117 13632 100k 1% 0603 0.62W 2230 4822 122 31765 100pF 2% 63V 4xxx 4822 051 10008 0Ω 5% 0.25W (1206) 2231 4822 124 80791 470µF 16V 20% 105C 4xxx...
  • Page 44 GB 56 DVD703 /XX1 Spare parts list 2129 3198 028 42290 EL 5MM 35V 22µF PM20 2146 4822 126 14585 100nF 10% 50V 6129 9322 107 43685 UDZ22B COL A 2150 4822 126 14585 100nF 10% 50V 6132 4822 130 30842 BAV21 2130 4822 124 41751 47µF 20% 50V 2156...
  • Page 45 Spare parts list DVD703 /XX1 GB 57 2142 5322 126 11583 10nF 10% 50V 0603 2605 4822 126 14494 22nF 10% 25V 0603 3160 4822 051 30101 100Ω 5% 0.062W 2143 4822 126 13883 220pF 5% 50V 2606 4822 124 12095 100µF 20% 16V 3161 4822 117 13613 2Ω2 5% 0603 2144...
  • Page 46 GB 58 DVD703 /XX1 Spare parts list 3302 4822 051 30221 220Ω 5% 0.062W 3609 4822 117 13632 100k 1% 0603 0.62W 5603 4822 157 71206 BLM21A601SPT 3304 4822 051 30272 2k7 5% 0.062W 3610 4822 051 30103 10k 5% 0.062W 5604 4822 157 70298 15µH (NL322522T-150J) 3305...
  • Page 47 Spare parts list DVD703 /XX1 GB 59 0060 3139 241 20110 DOOR SPRING 0244 3139 247 50760 FOOT ASSY DVD751 0200 3139 247 53391 FRONT ASSY DVD703/ 0245 3139 247 50760 FOOT ASSY DVD751 0265 4822 321 11139 POWER CORD 0205 3139 247 53161 BTN POWER DVD733K/ 0381...