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Philips DVD 950 Service Manual

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See also: Instructions for Use Manual , User Manual
DVD-Video Player
©
Copyright reserved 1999 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 9970 Service PaCE
STAND BY
Contents
1
Technical Specifications and connection facilities 2
2
3
4
5
Blockdiagram
Wiringdiagram
6
Electrical diagrams and print-layouts
Troubleshooting Power supply
Volume / Standby
Headphone / Microphone panel
Display panel
Troubleshooting Display Board
7
Diagnostic Software & script interfaces
8
Servicing DVD-module & Mono board
9
12 Spareparts list
Printed in the Netherlands
OPEN/ CLOSE
Page
3
5
24
25
26
27
28
Diagram PWB
29
30
31
(Diagr. C1/D1) 32
32
(Diagram B1)
33
34
35
36
37
37/39
40
(Diagr A1-A3) 41
44
45
53
54
56
61
62
Subject to modification
DVD 950
3
D-SOUND
PLAY
STOP
5 3122 785 10130

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  • Page 1 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. 5 3122 785 10130...
  • Page 2 GB 2 DVD 950 Technical specifications 1. Technical specifications Specifications PLAYBACK SYSTEM CABINET DVD-Video Dimensions (w x h x d) 435 x 88 x 315 (inch) Video CD Weight 4 Kg CD (CD-R and CD-RW) PACKAGE CONTENTS OPTICAL READOUT SYSTEM...
  • Page 3 Warnings and Laser safety instructions DVD 950 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 DVD 950 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:...

  • Page 5: Directions For Use

    Directions for use DVD 950 GB 5 3. Directions for use...
  • Page 6 GB 6 DVD 950 Directions for use...
  • Page 7 Directions for use DVD 950 GB 7...
  • Page 8 GB 8 DVD 950 Directions for use...
  • Page 9 Directions for use DVD 950 GB 9...
  • Page 10 GB 10 DVD 950 Directions for use...
  • Page 11 Directions for use DVD 950 GB 11 É...
  • Page 12 GB 12 DVD 950 Directions for use...
  • Page 13 Directions for use DVD 950 GB 13...
  • Page 14 GB 14 DVD 950 Directions for use...
  • Page 15 Directions for use DVD 950 GB 15 É É...
  • Page 16 GB 16 DVD 950 Directions for use É...
  • Page 17 Directions for use DVD 950 GB 17...
  • Page 18 GB 18 DVD 950 Directions for use É...
  • Page 19 Directions for use DVD 950 GB 19...
  • Page 20 GB 20 DVD 950 Directions for use...
  • Page 21 Directions for use DVD 950 GB 21 É...
  • Page 22 GB 22 DVD 950 Directions for use...
  • Page 23 Directions for use DVD 950 GB 23...

  • Page 24: Service Hints

    52560. Return the defective unit complete assembled in original For sets without RGB-output no SCART connector is mounted. package to Philips Consumer Service in Eindhoven In these sets the SCART tests will automatically be skipped Power Supply options 3122 427 21750...
  • Page 25 Block and wiringdiagram, dismantling, exploded view and oscillograms DVD 950 5. Block and wiringdiagram, dismantling, exploded view and oscillograms Blockdiagram AUDIO/VIDEO BACKEND MONO BOARD 7020 : 7023 CVBS1 CVBS CVBS2 7316 TDA4780 Color + Cont setting P50 (to SLAVE) +12V...
  • Page 26 Block and wiringdiagram, dismantling, exploded view and oscillograms DVD 950 Dismantling instructions DISMANTLING INSTRUCTIONS See exploded view for item numbers Cover 151 Remove 7 screws 233 ⇒ mounting Lift cover at rearside to ⇒ ↑ remove ↓ demounting Front assy 1...
  • Page 27 Block and wiringdiagram, dismantling, exploded view and oscillograms DVD 950 Exploded view CL 96532070_002.eps 251099...
  • Page 28 Block and wiringdiagram, dismantling, exploded view and oscillograms DVD 950 Wiringdiagram A/V BOARD D1 : DVD 940 HP_L +12VSTBY ADJA_OUT H_SYNC +5VD PCM_CLK ADJA_IN HP_R +6VSTBY +5WD CENTER_ON ADJB_OUT +12V PCM_OUT2 3V3A KILL STEREO_MUTE ADJB_IN WIRING / BLOCK DIAGRAM MIC_A...
  • Page 29 Electrical diagrams and Print-layouts DVD 950 6. Electrical diagrams and Print-layouts Personal notes:...
  • Page 30 Electrical diagrams and Print-layouts DVD 950 Power supply POWER SUPPLY 20PS203 0101 B 1 0205 H16 0206 J13 0207 C16 2102 H 2 2111 G 7 2127 C 9 2210 E11 2231 D10 2251 C10 3104 I 2 3111 F 6...
  • Page 31 Electrical diagrams and Print-layouts DVD 950 Power supply 0000 C 5 1120 D 2 2121a C 4 2131 C 7 2220 A 8 2233 B 10 2251 B 8 3115 D 4 3124 B 3 3129 D 3 3228 B 11...
  • Page 32 Electrical diagrams and Print-layouts DVD 950 Personal notes: TROUBLESHOOTING POWER SUPPLY UNIT 20PS203 Check DC voltages power supply OK +12V, +5Vstby, -5V, +5V, +3V3, +2V9 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 is OK ⇒...
  • Page 33 Electrical diagrams and Print-layouts DVD 950 Volume / Standby PWB 1111 D1 1204 A2 1205 D2 3150 C1 C1: Volume Adjust PCB 3237 B1 3238-A A1 3239-A B1 3240 A1 * Only for KOK version only 6204 D1 T121 A2...
  • Page 34 Electrical diagrams and Print-layouts DVD 950 Headphone / Microphone pwb B1: Headphone/Mic PCB +12V 1200 2201 EH-S T100 HP_L 100n T101 T107 7802-A 3201-A TCA0372 3206 T113 HP_R T102 3207 2204 +12V 2238 T103 2200 2202 Mic_A T104 100n T111...
  • Page 35 Electrical diagrams and Print-layouts DVD 950 Headphone + vol. control PWB CL 96532070_012.eps 160799 CL 96532070_013.eps 160799...
  • Page 36 Electrical diagrams and Print-layouts DVD 950 Display 1100 C11 7105 H10 1101 C11 7106 I10 1102 C12 7107 I11 1103 C13 7108 I6 +5Vstb 1104 D13 7109 I8 +5Vstb 1105 D14 7110 G7 1106 E11 7112 E2 1107 E11 7202 C5...
  • Page 37 Electrical diagrams and Print-layouts DVD 950 Display PWB 42233_Z 42233_A CL 96532065_050.eps 120799...
  • Page 38 Electrical diagrams and Print-layouts DVD 950 TROUBLESHOOTING DISPLAY BOARD TROUBLESHOOTING A/V BOARD Testing of A/V board can be done using diagnostic software “Player script”. • Check supply voltages Mono board is used to generate a sinus with the soundtest SND-2 or a VIDEO signal with the picture test PIC-1.
  • Page 39 Electrical diagrams and Print-layouts DVD 950 VIDEO PART NO SOUND ON TV- & AUX-SCART • To put set in “Player script”, press keys Diagnostic Software NO PICTURE STOP+OPEN/CLOSE simultaneously and connect to APP SND-2 CVBS & Y/C OUT mains. Proceed until display shows “...
  • Page 40 Electrical diagrams and Print-layouts DVD 950 PM3392A PM3392A PM3392A NO PICTURE SCART SCART SWITCHING • To put set in “Player script”, press keys Diagnostic Software STOP+OPEN/CLOSE simultaneously and connect to SCART DVD mains. Proceed until display shows “ SCART DVD ”.
  • Page 41 Electrical diagrams and Print-layouts DVD 950 A/V board 1000 B1 1001 F1 1402 C14 1403-A F14 2400 C12 +5VVID +5VVID 2401 C11 2402 E10 2403 D13 A1 : A/V PCB 3451 2404 D13 3450 0|6|12 2405 E6 3452 I442 2407 F7...
  • Page 42 Electrical diagrams and Print-layouts DVD 950 A/V board 1002 E16 4432 K4 1003-1 K6 4433 K4 1003-2 K6 4434 K3 1003-3 K6 4506 D9 1003-4 K6 5400 K13 1003-5 K6 7007 N13 2436 +8VAud 1400-A B13 7027 B5 7404-D 1400-B F12...
  • Page 43 Electrical diagrams and Print-layouts DVD 950 A/V board 1401-A A12 2493 B11 2604 E2 2610 F3 2618 E8 3415 A6 3421 B9 3433 E10 3439 G11 3476 E14 3630 F2 3636 G1 3644 D3 3671 F8 3689 E8 4409 B11...
  • Page 44 Electrical diagrams and Print-layouts DVD 950 A/V Pwb (component side) CL 96532144_015.eps 201099 A/V Pwb (copper side)
  • Page 45 DIAGNOSTIC SOFTWARE : SCRIPT INTERFACES DVD 950 GB 45 7. DIAGNOSTIC SOFTWARE : SCRIPT INTERFACES DEALER SCRIPT 7.1.2 Contents of Dealer Script The dealer script executes all diagnostic nuclei that do not 7.1.1 Purpose of Dealer Script need any user interaction and are meaningful on a standalone DVD player.
  • Page 46 GB 46 DVD 950 DIAGNOSTIC SOFTWARE : SCRIPT INTERFACES PLAYER SCRIPT 7.2.4 Survey 7.2.1 Purpose of Player Script Press 2 keys simultaneously <OPEN/CLOSE> + <STOP> The Player script will give the opportunity to perform a test that Connect to mains...
  • Page 47 DIAGNOSTIC SOFTWARE : SCRIPT INTERFACES DVD 950 GB 47 INTERACTIVE TESTS key id. 7.3.1 DISPLAY PCB PLAY NEXT DISPLAY TEST PREVIOUS The display test is performed by nucleus DispDisplay. By PAUSE putting a series of test patterns on the local display, the local STOP display is tested.
  • Page 48 GB 48 DVD 950 DIAGNOSTIC SOFTWARE : SCRIPT INTERFACES test (note that the remote control test will also fail if a key on the remote control was pressed but no code was received). The remote control test does not check upon the contents of the received code, that is it will not be checked if the received code matches the key pressed.
  • Page 49 DIAGNOSTIC SOFTWARE : SCRIPT INTERFACES DVD 950 GB 49 By pressing the NEXT button, you can go to the second setting. The local display indicates: CL 96532065_017.eps 120799 Figure 7-15 CL96532126_017.eps 261099 Figure 7-19 On the TV screen a colour bar (generated by nucleus VideoColDencOn) is visual and the internally generated pinknoise is audible.
  • Page 50 GB 50 DVD 950 DIAGNOSTIC SOFTWARE : SCRIPT INTERFACES JUMP TEST(listening test) The sixth and last Basic Engine test tests the jumping by calling nuclei BeGroovesIn, BeGroovesMid and BeGroovesOut. During this test, the local display looks as follows: CL 96532065_022.eps...
  • Page 51 DIAGNOSTIC SOFTWARE : SCRIPT INTERFACES DVD 950 GB 51 ERROR LOG recent. By pressing NEXT on the local keyboard, the user can Reading the error log and error bits information can be useful proceed to the next test. to determine any errors that occurred recently during normal operation of the DVD player.
  • Page 52 GB 52 DVD 950 DIAGNOSTIC SOFTWARE : SCRIPT INTERFACES 7.3.4 LOOP TEST The loop test will perform the same nuclei as the dealer test, but it will loop through the list of nuclei indefinitely. The display of the DVD player will display not only the three digits indicating...
  • Page 53 Return the defective unit complete assembled in original The DVD module(Basic Engine and the mono board) has to be package to Philips Consumer Service in Eindhoven exchanged completely in case of failure. A new module for Reprogramming of new mono boards.
  • Page 54 GB 54 DVD 950 Test instructions Display board 9. Test instructions Display board Display board 9.1.4 Reset Check next reset timing with an oscilloscope at pin 10 of the 9.1.1 Introduction (processor. These test instructions are written for all versions of the display PM3392A PCB 3104 123 42230.
  • Page 55 The results should be the same as the diagram above. 9.1.7 I.R. receiver Check at pin 23 of the (P if this line switches from low (< 0.3V) to high (> 4.5V), while pressing a key on a Philips RC5 or RC6 remote control. 9.1.8 Karaoke interface The karaoke interface (4 lines) is a single direction communication.
  • Page 56 GB 56 DVD 950 Current mode power supply 30PS203 10. Current mode power supply 30PS203 10.1 Blockdiagram Rectifier 6240 Lightning 5131 Protection +12V 7233 MAINS 2240 +5V Stand By FILTER 2121 6250 -8V Stand By 2250 7125 6260 -40V 2260...
  • Page 57 Current mode power supply 30PS203 DVD 950 GB 57 10.4 Blockdiagram of MC44603 MC44603P Vref Iref Vref DEMAGNETISATION enable DETECT DEMAGNETISATION REFERENCE SUPPLY UVL01 MANAGEMENT BLOCK INITIALISATION BLOCK Iref VOSC PROT VOSC SYNC INPUT OSCILLATOR 1Set BUFFER LATCH RF STANDBY...
  • Page 58 GB 58 DVD 950 Current mode power supply 30PS203 10.6 Operating description 10.7 Regulation The input voltage Vcc(pin 1) is monitored by a comparator with Figure B shows the most relevant signals during the regulation hysteresis, enabling the circuit at 14.5V and disabling the phase of the power supply.
  • Page 59 Current mode power supply 30PS203 DVD 950 GB 59 10.8 Oscillograms PM3394B CH1 2 CH3 2 V~ ALT MTB5.00us- 0.90dv ch1- ch1 : Drain voltage ch2 : Drain current ch3 : Gate voltage PM3394B CH3 50mV~ ALT MTB5.00us- 0.90dv ch1-...
  • Page 60 GB 60 DVD 950 Current mode power supply 30PS203 10.9 Circuit description 10.9.6 Demagnetisation The auxiliary winding (7-9) voltage is used to detect magnetic 10.9.1 Input circuit saturation of the transformer core and connected via R3101 to pin 8 of IC7110. During the demagnetisation phase, the output The input circuit consists of a lightning protection circuit and an will be disabled.

  • Page 61: List Of Abbreviations

    List of abbreviations DVD 950 GB 61 11. List of abbreviations SIGNAL NAME DESCRIPTION Y_ENC Buffered Luma input from DVD 0/6/12 Scart switch control signal A/V board. monoboard 0V : loop through (AUX to TV), 6V : Y_OUT Luma output to S-Video output buffer...
  • Page 62 GB 62 DVD 950 Spare parts list 12. Spare parts list loader assy 2304 4822 126 14494 22nF 10% 25V 0603 2632 4822 124 12095 100µF 20% 16V 2305 4822 126 14494 22nF 10% 25V 0603 2633 4822 124 12095 100µF 20% 16V 2306 4822 124 23002 10µF 16V...
  • Page 63 Spare parts list DVD 950 GB 63 3185 4822 051 30562 5k6 5% 0.063W 0603 RC21 3513 4822 051 30103 10k 5% 0.062W 3655 2322 704 64301 RST SM 0603 RC22H 430Ω ΠΜ1 Ρ RST SM 3514 4822 051 30103 10k 5% 0.062W 3187 4822 051 30331 330Ω...
  • Page 64 GB 64 DVD 950 Spare parts list 9100 3198 021 90030 TECHNICAL 2261 4822 126 14535 330pF 10% 1KV SPECIFICATION Front PCB 9101 3198 021 90030 TECHNICAL SPECIFICATION Various 9200 3198 021 90030 TECHNICAL 3101 4822 116 52304 82k 5% 0.5W...
  • Page 65 Spare parts list DVD 950 GB 65 2604 4822 126 13482 470nF 80/20% 16V 3465 4822 117 11454 820Ω 1% 0.1W 3645 4822 051 10102 1k 2% 0.25W 2605 4822 122 33177 10nF 20% 50V 3466 4822 051 20472 4k7 5% 0.1W 3646 4822 117 10833 10k 1% 0.1W...
  • Page 66 GB 66 DVD 950 Spare parts list 7023 4822 130 60511 BC847B 0242 3139 247 50320 ORNAMENT RING 7027 4822 130 42804 BC817-25 0243 3139 247 50300 BUTTON UN NEXT 7028 4822 130 42804 BC817-25 0244 4822 462 11174 LEG SILVER DVD825...

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