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Philips DVD950 Service Manual Download Page 31

Electrical diagrams and Print-layouts

 31

DVD 950

6.

Power supply

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XH

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3122 423 30336

1120

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 2110 D  3
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2121a C  4
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 2131 C  7
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 2220 A  8
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 2259 B  9
 2260 A  9
 2261 A  8
 3101 D  4

 3115 D  4
 3120 C  2
3120a C  2
 3122 C  3
 3123 B  3

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 3125 D  5
 3126 B  5
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 3128 B  5

 3129 D  3
 3132 A  5
 3133 A  3
 3134 D  2
 3135 B  6

 3228 B 11
 3233 B  9
 3235 C 10
 5120 A  2
 5125 B  5

 5131 B  6
 5210 D 10
 5222 A  9
 5230 C 10
 5233 B 10

 5239 C 10
 5240 A  9
 5259 C 10
 6110 B  4
 6111 C  5

 6113 D  4
 6114 C  6
 6120 B  3
 6132 C  6
 6210 C  8

 6220 A  7
 6230 B  8
 6240 A  8
 6250 B  7
 6260 A  8

 7110 D  3
 7125 C  5
 7200 D  7
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 7221 A  9

 7233 B 10
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 7255 B  9
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 9210 A 10
 9214 A 11
 9230 C  9
 9250 B  9
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 9261 D  7
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T2.5A H 250V

Componentside

Copperside

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2111 D  3
2113 C  5
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2201 D  7
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2225 A 11
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4121 D  4
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4128 C  5

4250 B  9
6129 D  2
6256 B 10
7223 A  9
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7228 A 11
7235 C 10
7256 B 10
F101 C  1
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F108 A  3
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CL 96532065_044.eps

120799

Summary of Contents for DVD950

Page 1: ... BY LEVEL DIGITAL OUT DVD 950 DVD VIDEO CD CD PLAYER Contents Page 1 Technical specifications and connection facilities 2 2 Warnings and laser safety instructions 3 3 Directions for use 5 4 Service hints 24 5 Blockdiagram 25 Dismantling instructions 26 Exploded view 27 Wiringdiagram 28 6 Electrical diagrams and print layouts Diagram PWB Power supply 29 30 Troubleshooting Power supply 31 Volume Sta...

Page 2: ...Cinch white red Audio Surround Left Right Cinch white red Audio Centre Cinch blue Audio Subwoofer Cinch black Digital Output 1 coaxial 1 optical IEC958 for CDDA LPCM IEC1937 for MPEG1 MPEG2 and AC 3 DTS Headphone 6 5 mm Jack CABINET Dimensions w x h x d 435 x 88 x 315 inch Weight 4 Kg PACKAGE CONTENTS DVD Video Player Universal Remote Control Power cord User Manual S Video cord Audio Video cord GE...

Page 3: ...ensduur drastisch doen verminderen Zorg ervoor dat u tijdens reparatie via een polsband met weerstand verbonden bent met hetzelfde potentiaal als de massa van het apparaat Houd componenten en hulpmiddelen ook op ditzelfde potentiaal AVVERTIMENTO Tutti IC e parecchi semi conduttori sono sensibili alle scariche statiche ESD La loro longevita potrebbe essere fortemente ridatta in caso di non osservaz...

Page 4: ...BETRAKTA EJ STRÅLEN VARO AVATT AESSA OLET ALTTIINA NÄKYVÄLLE JA NÄKYMÄTTÖMÄLLE LASER SÄTEILYLLE ÄLÄ KATSO SÄTEESEEN VORSICHT SICHTBARE UND UNSICHTBARE LASERSTRAHLUNG WENN ABDECKUNG GEÖFFNET NICHT DEM STRAHL AUSSETSEN DANGER VISIBLE AND INVISIBLE LASER RADIATION WHEN OPEN AVOID DIRECT EXPOSURE TO BEAM ATTENTION RAYO NNEMENT LASER VISIBLE ET INVISIBLE EN CAS D OUVERTURE EXPOSITION DANGEREUSE AU FAIS...

Page 5: ...terms and conditions of your Philips warranty Owner Confirmation Your completed Warranty Registration Card serves as verification of ownership in the event of product theft or loss Model Registration Returning your Warranty Registration Card right away guarantees you ll receive all the information and special offers which you qualify for as the owner of your model Congratulations on your purchase ...

Page 6: ...e instrucciones de manejo y mantenimiento servicio importantes en el manual que acompaña al aparato AVISO RIESGO DE CHOQUE ELÉCTRICO NO ABRIR Atención Para reducir el riesgo de choque elécrico no quite la tapa o el panel posterior En su interior no hay piezas que el usuario pueda reparar Para servicio dirijase a personal calificado AVISO Para reducir el riesgo de fuego o choque eléctrico no expong...

Page 7: ...WARRANTY SERVICE IN CANADA Please contact Philips at 1 800 661 6162 French Speaking 1 800 363 7278 English Speaking In Canada this warranty is given in lieu of all other warranties No other warranties are expressed or implied including any implied war ranties of merchantability or fitness for a particular purpose Philips is not liable under any circumstances for any direct indirect special inci de...

Page 8: ...mote Control battery installation 19 NTSC PAL Settings 19 General explanation 20 Turning on the power 21 Initial Setup 21 22 Personal Preferences 22 24 Access Control 24 26 Operation Loading discs 27 Playing a DVD Video disc 27 Playing a Video CD 28 General Features 28 31 Special DVD features 32 Special VCD features 33 Playing an Audio CD 33 34 FTS Program 35 Before requesting service Before reque...

Page 9: ...r choice of camera angle sound tracks in as many as eight languages and up to 32 subtitles if available on disc Whether you watch DVD Video on wide screen or regular TV you always see it the way it was meant to be Digital video DVD Video uses state of the art MPEG2 data compression technology to register an entire movie on a single 5 inch disc DVD s variable bitrate compression running at up to 9 ...

Page 10: ...source FUNCTIONAL OVERVIEW 11 Multichannel connections Connect to a multichannel receiver center speaker connection subwoofer connection front speakers connections surround speakers connections Functional overview Front panel PHONES for connecting headphones LEVEL headphone volume control 9 STOP stops video audio play PAUSE interrupts video audio play or advances to the next picture frame OPEN CLO...

Page 11: ...back of the first 10 seconds of each chapter within a title DVD or the first 10 seconds of each track on a disc VCD CD S skip rewind 2 play T skip fast forward 1 2 3 4 left right up down cursor movement SHUFFLE playback tracks in random order select DVD camera angle subtitle language selector audio language selector enlarge video image Display Front left and right speakers active Center speaker ac...

Page 12: ...o language Z Subtitle language Angle a Zoom c Video Program b Color Setting d Sound e Picture by Picture Status window icons The status window displays the current status of the player and appears with the first part of the menu bar You must activate this in the Features Menu see Personal Preferences for details General Disc type Tray status Default screen The default screen is displayed when the ...

Page 13: ...Multi channel decoder To see the selected audio format of the current DVD in the Status Window press the MENU OSD or the Audio Language selector button All TV COAXIAL OPTICAL SURROUND SUB WF CENTRE MULTICHANNEL AUDIO OUT DIGITAL AUDIO OUT PCM MPEG2 AC3 SURROUND FRONT FRONT MAINS CVBS VIDEO OUT AUDIO Y S VIDEO L 1 2 R C B C R OUT L R AMPLIFIER E F G PREPARATION 17 Preparation General notes Dependin...

Page 14: ...o a multi channel A V receiver with 6 CH connectors This DVD player contains a multi channel decoder This enables playback of DVDs recorded in Multi channel Surround without the need for an optional decoder 1 Connect the audio out jacks for Center speaker and Subwoofer connection H to the corresponding in jacks on your receiver Note If the subwoofer is equipped with its own amplifier the Subwoofer...

Page 15: ... STAND BY DIGITAL OUT TV VOL É É É É ECHO OK RETURN 20 PREPARATION General explanation About this manual This manual gives the basic instructions for operating this DVD player Some DVDs require specific operation or allow only limited operation during playback In these cases the player may not respond to all operating commands When this occurs please refer to the instructions contained with the DV...

Page 16: ... removed from the list Double sided DVDs may have a different ID for each side In order to make the disc child safe each side has to be authorized Multi volume VCDs may have a different ID for each volume In order to make the complete set child safe each volume has to be authorized Choose Play once to remove the disk from the child safe list Choose Play always to remove the disk from the child saf...

Page 17: ... Access control Parental control DVD Video only Movies on DVDs may contain scenes not suitable for children Therefore disc may contain Parental Control information which applies to the complete disc or to certain scenes on the disc These scenes are rated from 1 to 8 and alternative more suitable scenes are available on the disc Ratings are country dependent The Parental Control feature allows you ...

Page 18: ...P REW PLAY SKIP FF A B REPEAT SCAN É É í É í TV MUTE PBC ON OFF STANDBY ON MENU DVD T C MENU OSD H 2 7 9 8 0 É SKIP REW PLAY SKIP FF A B REPEAT SCAN É É í É í TV MUTE PBC ON OFF STANDBY ON MENU DVD T C MENU OSD H 2 28 OPERATION Operation Loading discs 1 Press OPEN CLOSE on the front of the player The disc tray opens 2 Load your chosen disc in the tray label side up also when a double sided DVD is ...

Page 19: ...KIP REW PLAY SKIP FF A B REPEAT SCAN É É í É í Å REV FWD SHUTTLE OPERATION 29 Slow Motion Select f Slow motion in the menu bar Use the w keys to enter the Slow Motion menu The player will now go into PAUSE mode Use the cursor keys t u to select the required speed 1 1 2 1 4 or 1 8 backward or 1 8 1 4 1 2 or 1 forward Select 1 to play at normal speed again If is pressed the speed will be set to 0 To...

Page 20: ...elect a Zoom in the menu bar Press w v to activate the ZOOM function and select the required zoom factor 1 33 or 2 or 4 The player will go into Pause mode The selected zoom factor appears below the Zoom icon in the menu bar and Press OK to pan appears below the menu bar The picture will change accordingly Press OK to confirm the selection The panning icons appear on the screen v w t u and OK Use t...

Page 21: ...TOP i 7 9 8 0 É SKIP REW PLAY SKIP FF A B REPEAT SCAN É É í É í Å J REV FWD SHUTTLE OPERATION 33 Special VCD Features Playback Control PBC When PBC ON Press PBC ON OFF to ON Load a Video CD with PBC and press 2 The PBC menu appears on the TV screen Go through the menu with the keys indicated on the TV screen until your chosen passage starts to play If a PBC menu consists of a list of titles you ca...

Page 22: ...flat No return to start up screen when Reset by switching the player off then on again disc is removed Check to see if the program requires another disc to be loaded The player does not respond to Aim the remote control directly at the sensor on the front of the player the remote control Remove any obstacles between the player and the remote control Inspect or replace the batteries in the remote c...

Page 23: ...5 mm Jack CABINET Dimensions w x h x d 435 x 88 x 315 inch Weight 4 Kg PACKAGE CONTENTS DVD Video Player Universal Remote Control Power cord User Manual S Video cord Audio Video cord GENERAL FUNCTIONALITY Stop Play Pause Fast Forward Backward 3 speed Time search Step Forward Backward on Virtual Jog Shuttle Slow 3 speed on Virtual Jog Shuttle Title Track Select Skip Next Skip Previous Repeat Chapte...

Page 24: ...umer Service in Eindhoven 4 2 Diagnostic software In chapter Diagnostic software some tests are refering to the SCART functionality These tests are for sets with RGB output For sets without RGB output no SCART connector is mounted In these sets the SCART tests will automatically be skipped 4 3 Power Supply options 3122 427 21750 3122 427 21370 3122 427 21760 110V USA 220V Europe China Multi voltag...

Page 25: ...DVD955 KARAOKE AUDIO VIDEO BACKEND JBE servo RAM ROM HOST Sti5505 I2S S2B MONO BOARD A V signals I2C P50 UDA1328T L R C LFE Lr Rr Center_on TDA4780 Color Cont setting I2C P50 to SLAVE RGB Stereo_mute optional Kill 8Vstab 3V3stab 12V Video IC s and audio buffers DAC Headphone out Lt Rt 6 DIG_OUT 3 PCM 0dB 9dB 9dB DAC 7316 7401 OPTICAL OUTPUT DIGITAL OUTPUT 1113 7104 CL96532126_025 eps 281099 Y C Y ...

Page 26: ... of the set service position LOADER VAL3000 1 Remove 2 screws 8 9 Remove 4 suspensions 6 from loader bracket A V board 1002 remove flex connections to Mono board remove 7 screws 227 release snaps of 2 spacers 221 demount board mounting demounting Cover 151 Remove 7 screws 233 Lift cover at rearside to remove Headphone board 1006 remove 3 screws 209 board front demount board Standby board 1003 and ...

Page 27: ...Block and wiringdiagram dismantling exploded view and oscillograms 27 DVD 950 5 Exploded view CL 96532070_002 eps 251099 ...

Page 28: ...D SCA STBCONTROL P50 1 2 3 4 5VSTBY STBLED 5VSTBY 40V POWER SUPPLY BOARD GND KEY_UP KEY_DOWN HEADPHONE MIC BOARD STANDBY BOARD DISPLAY BOARD VOLUME ADJUST BOARD 280 mm 8 FFC FFC FFC ADJB_IN MIC GND 1 4 1117 SCLK GND PCM_CLK CENTER_ON STEREO_MUTE DIG_OUT GND A V BOARD SCL GND SCA STBCONTROL P50 MONO BOARD 3V3 3V3 5 6 400 mm EH FOR KOK ONLY 6VSTBY GND GND GND 8VSTBY STBCONTROL 12VSTBY GND 12V GND PC...

Page 29: ...Electrical diagrams and Print layouts 29 DVD 950 6 6 Electrical diagrams and Print layouts Personal notes ...

Page 30: ... 2241 2225 100nF 3238 3136 270K 3131 270K 3135 6R8 3126 4R7 22R 3111 3125 1K 3127 1R 3128 1R 15K 3104 22K 3102 3K6 3103 3110 10K 18K 3108 180K 3107 15K 3105 680R 3106 180R 3116 82K 3101 1K 3115 330R 3109 3124 220R 3123 18K 3129 10K 3122 2R7 3133 10M Only for US versions 3134 18K 3112 150R 3113 33R 3228 15K 3227 10K 3226 10K 3225 10K 3224 10K 3223 10K 3222 1K 3221 1K3 3258 10K 3254 1K 3255 680R 325...

Page 31: ... 7221 A 9 7233 B 10 7236 C 9 7237 D 9 7255 B 9 7259 B 9 9210 A 10 9214 A 11 9230 C 9 9250 B 9 9260 B 7 9261 D 7 9262 B 8 T2 5A H 250V Componentside Copperside 1 2 3 4 5 6 7 8 9 10 11 1 2 3 4 5 6 7 8 9 10 11 D C B A D C B A 2101 C 3 2102 C 3 2103 D 3 2104 D 3 2106 D 3 2107 D 4 2109 C 4 2111 D 3 2113 C 5 2114 C 6 2201 D 7 2202 D 8 2225 A 11 2238 C 9 3102 D 3 3103 D 3 3104 D 3 3105 D 3 3106 D 3 3107 ...

Page 32: ... mains isolated variac turn input voltage up and check across C2121 the voltage this voltage should be 1 41 x Vin AC check the functionality of the following components 1120 3122 5120 6120 2121 check Vcc on pin 1 IC7110 Vcc 12V 16V is power supply ticking check the load on the secundary output check overvoltage protection 3135 6114 2114 3115 3116 check oscillator voltage on pin 10 of IC7110 check ...

Page 33: ...2 T138 D2 1 2 3 4 GEEN SYMBOOL CQW10 STANDBY D1 Standby PCB To Con 1117 of Display PCB C1 Volume Adjust PCB To Con 1201 of Headphone PCB Only for KOK version only 1 2 1 2 A B C D A B C D 1111 D1 SKQNAB 1111 1205 EH S T134 LTL 1CHPE 6204 3150 100R T137 T138 T136 T135 T123 T121 T124 EH B 1204 1 2 3 4 5 T122 T125 1 3 3239 A 10K 2 1 3 3237 3238 A 10K 2 1K5 3240 1K5 CL 96532070_018 eps 160799 CL 965320...

Page 34: ...5 7802 A TCA0372 7 8 1 2 4 2235 470n 12p 2200 NJM4560M 7800 B 5 6 7 8 4 T103 6 5 3 2 4 2210 470n EH S 1 2 3 4 5 6 7 TCA0372 7802 B Mic Mic 1200 3216 330R 2215 100n 470n 2220 6202 1N4148 EH S 1202 1 2 3 220n 2228 12V 8V 10n 2238 Mic Mic T127 12V 1 2 3 4 5 7 8 T126 150K 1001 HLJ5307 1K 3235 3215 220n 2233 1M 3224 3201 A 10K 2 1 3 3210 22R 3211 1K2 Mic Mic 2214 10u 2K2 3212 330R 3223 3228 1M BC847B 7...

Page 35: ...Electrical diagrams and Print layouts 35 DVD 950 6 Headphone vol control PWB CL 96532070_012 eps 160799 CL 96532070_013 eps 160799 ...

Page 36: ...I6 F150 E4 F151 E4 F152 E9 F153 F3 5 6 7 8 2126 I4 2128 I6 11 12 13 14 F231 C7 F232 C9 F158 E4 F159 E9 F160 E9 F161 E9 NEXT scart PIN 10 GND PREV P50 F128 F211 G8 F212 G8 F170 F8 F171 F8 F172 F7 F173 F8 F184 I8 F186 E9 F187 E10 F200 A12 1116 1 H1 1116 2 H1 1116 3 H1 1116 4 H1 2105 D9 2106 E2 F209 F14 F210 G14 F201 A12 F202 B13 F203 D2 F204 E2 1116 5 H1 1117 I7 1118 1 F14 1118 2 G14 1 2 F235 I7 F16...

Page 37: ...Electrical diagrams and Print layouts 37 DVD 950 6 Display PWB 42233_Z 42233_A CL 96532065_050 eps 120799 ...

Page 38: ...hould be 25 8V 10 Check oscillator frequency of 8MHz at pin 8 of IC7104 Check reset circuit around transistor 7108 see test instructions of reset circuit Check timing and level for all grid lines G1 G14 see test instructions grid lines Check timing and level of segment lines P1 P10 see test instructions segment lines Diagnostic software Player script Display test NO YES Key Function NO YES Standby...

Page 39: ...sly and connect to mains Proceed until display shows OPTICAL OUT Check 5V supply R3803 Check optical transmitter 6400 APP SND 2 APP SND 2 APP SND 2 APP SND 2 CL 96532065_060 eps 130799 VIDEO PART OK Diagnostic Software NO PICTURE CVBS Y C OUT POWER SUPPLY Check VIDEO buffers See test instructions Check VIDEO buffers See test instructions Check flex connection to mono board Check mono board Check s...

Page 40: ...CH1 200mV MTB20 0us ch1 1 TP 1 video B PM3392A ch1 CH1 200mV MTB20 0us ch1 1 TP 2 video G PM3392A ch1 CH1 200mV MTB20 0us ch1 1 TP 3 video R PM3392A ch1 CH1 200mV MTB20 0us ch1 1 TP 4 CVBS PM3392A ch1 CH1 200mV MTB20 0us ch1 1 TP 5 C_ENC PM3392A ch1 CH1 200mV MTB20 0us ch1 1 TP 6 Y_ENC PM3392A ch1 CH1 2 V MTB 500ns ch1 1 PM3392A ch1 CH1 2 V MTB10 0us ch1 1 PM3392A ch1 CH1 2 V MTB 100ns ch1 1 PM339...

Page 41: ...33R 3677 3424 4R7 F439 I443 F430 BC847B 5VVID 5V 7003 I445 F426 F434 F425 5V F413 I442 4K7 3410 I460 F435 I541 3405 4R7 BAS216 6400 I458 3652 680R 6403 BZX284 C15 1402 TCS79 5 6 7 1 3 4 2 3459 F436 BAS216 6410 7001 BC857B 3454 100R 22 3 4 5 6 7 8 9 1 10 11 12 13 14 15 16 17 18 19 2 20 21 1001 BC847B 7004 I451 4K7 3403 3664 F446 F442 1K 4507 I571 I572 I539 BC847B 7016 7055 BC847B 270R 3453 F419 5V ...

Page 42: ...3 5 5 8Vstby 8VAud 47R 3544 3489 2K7 F510 22n 2455 1404 YKC21 3337 1 2 3 I490 I535 2491 100n 5Va I492 2631 1n I545 2629 1n 2630 1n 3552 4R7 10K 3494 I521 4R7 3508 1405 YKC21 3416 1 3 2 4416 F480 3527 100R WS 11 1n 2452 TST1 27 TST2 22 VDDA 6 VDDD 21 VO1N 29 VO1P 28 VO2N 31 VO2P 32 VO3 1 VO4 2 VO5 4 VO6 5 VREFA 30 VSSA 3 VSSD 20 DEEM0 25 DEEM1 24 DI12 12 DI34 13 DI56 14 DS 26 L3CLK 18 L3DATA 19 L3M...

Page 43: ...560R 0R BC 848B OPTION OPTION BC 848B BC 848B BC 848B OPTION OPTION OPTION OPTION I514 D15 I516 F15 I517 G15 3433 10R 3431 4404 4403 I510 3 1 2 220p 2499 1401 A YKC21 4040 4409 2493 220p I462 4408 I463 5001 DSS306 2 1 3 5000 DSS306 2 1 3 3561 100R I467 3560 100R I474 I465 I473 I472 I471 I468 I470 I469 6405 BZX284 C15 5003 DSS306 2 1 3 2428 220p 3476 75R 7026 3475 330R 3474 100R 3442 1K 3439 1K2 1K...

Page 44: ...Electrical diagrams and Print layouts 44 DVD 950 6 A V Pwb component side A V Pwb copper side CL 96532144_015 eps 201099 ...

Page 45: ...cleus is executed during the dealer script Figure 7 1 Figure 7 2 VideoColSetupComm Checks the I2C interface with the RGB video processor on the Audio Video board only for DVD players with RGB video processor VideoScartSwComm Checks the I2C interface with the scart switch on the Audio Video board PapChksFl 7 Calculate and verify checksum of FLASH memory PapDramWrR 6 Pattern test of all locations in...

Page 46: ...re modules in the DVD player the Display PWB the Digital PWB and the Basic Engine Nuclei run by the player test need some user interaction in the next paragraph this interaction is described The player test is done in two phases 1 Interactive tests this part of the player test depends strongly on user interaction and input to determine nucleus results and to progress through the full test Reading ...

Page 47: ...b will remain on display Figure 7 6 If any keys are detected more than once due to hardware error the key code is displayed twice or more with the second digit increased by 1 If the user does not press all keys minimally once in any order the DispKeys nucleus will return FALSE and cause an error in the overall result of the player script The user can leave the keyboard test by pressing the NEXT ke...

Page 48: ...T DVD TEST The first soundtest is performed by starting a pink noise sound that needs confirmation from the user nucleus AudioPinkNoiseOn the display will show the following message very shortly Figure 7 14 This sound will only be audible from version cut3 1 of Sti5505 item7503 on mono board onwards After starting up sound 1 SCART loop trough will be simultaneously active during this test SCART lo...

Page 49: ...setting The local display indicates Figure 7 19 By pressing the PREVIOUS button the colour bar with the first setting becomes visual again By pressing PLAY the user confirms the test pressing PAUSE will indicate that something went wrong The test can be left by pressing the NEXT key for more than one second if the user presses NEXT without pressing PLAY or PAUSE first the result of this test will ...

Page 50: ...on worked pressing PAUSE indicates the function does not work Pressing NEXT proceeds to the next test after a reset of the radial nucleus BeRadialOff If the user presses NEXT before pressing PLAY or PAUSE the result of this test will be TRUE radial successful JUMP TEST listening test The sixth and last Basic Engine test tests the jumping by calling nuclei BeGroovesIn BeGroovesMid and BeGroovesOut ...

Page 51: ...XT the user can continue to the next test See table below CL96532126_019 eps 261099 CL96532126_020 eps 261099 Error log bits table Read ERROR LOG in player script Read ERROR BITS in player script Basic engine errors Value Value Command to the Basic Engine not allowed in this stae or unknown command 150101 8 Parameter s from the command to the Basic Engine is not valid 150102 7 Sledge could not be ...

Page 52: ...or further explanation of this error code see list of error codes below Figure 7 33 CL 96532065_030 eps 120799 Displayed Value Indication for each module Basic Engine Mono PCB Display PCB 000 ok ok ok 001 ok ok faulty 010 ok faulty ok 011 ok faulty faulty 100 faulty ok ok 101 faulty ok faulty 110 faulty faulty ok 111 faulty faulty faulty CL 96532065_031 eps 120799 FAULTY MODULE S LOOP COUNTER NUCL...

Page 53: ... settings and the allowed region code Reprogramming will be done by way of the remote control Put the player in stop mode no disc loaded Reprogramming is limited to 25 times When the counter reaches 25 reprogramming is not possible anymore Press the following keys on the remote control PLAY followed by numerical keys 1 5 9 The display shows Press now successively the following keys for DVD950 171 ...

Page 54: ...as inputs for RC RC5 and RC6 and P50 P50 controller is built in 9 1 3 General Oscilloscope measurements have been carried out using a Philips PM3392A Impedance of measuring equipment should be 1M To do correct measurements we recommend to use supply 3122 427 21370 which is used in all second generation B DVD players Make sure that the main 3 3V has a 0 7A load 9 1 4 Reset Check next reset timing w...

Page 55: ...tting or resetting these output ports via the I2C bus Send next command via the I2C bus Address 0x70 Command byte 0x24 Data byte xxxxabcd Wherea a Karaoke reset b Karaoke data c Karaoke clock d Karaoke strobe 9 1 9 P50 interface P50 is a bi directional serial interface which is used for communication between video equipment For European sets this communication goes via pin 10 of the scart bus In o...

Page 56: ...d unloaded or shorted The MC44603 has several distinguishing features when compared to conventional SMPS controllers These features consist of a foldback facility for overload protection a standby mode when the converter output is slightly loaded a demagnetisation detection for reduced switching stresses on transistor and diodes and a high current totem pole output ideally suited for driving a pow...

Page 57: ...nnected to this input 8 Demagnetisation Detection A voltage delivered by an auxiliary transformer winding provides to the demagnetisation pin an indication of the magnetisation state of the flyback transformer A zero voltage detection corresponds to complete core saturation 9 Synchronisation Input The synchronisation input pin can be activated with either a negative pulse going from a level betwee...

Page 58: ... the regulation phase of the power supply The oscillator voltage ramps up and down between V1 and V2 The voltage at the current sense terminal is compared every cycle with the output of the error amplifier Vcomp The output is switched off when the current sense level exceeds the level at the output of the error amplifier 1 TimeON phase A drain current will flow from the positive supply at pin 1 of...

Page 59: ...2 V ALT MTB5 00us 0 90dv ch1 1 2 3 T ch1 Drain voltage ch2 Drain current ch3 Gate voltage PM3394B ch3 ch1 CH1 1 CH3 50mV ALT MTB5 00us 0 90dv ch1 1 3 T ch1 Drain voltage ch2 Oscillator voltage PM3394B ch3 ch1 CH1 1 CH3 20mV ALT MTB5 00us 0 90dv ch1 1 3 T ch1 Drain voltage ch3 Sense voltage CL 96532065_070 eps 130799 ...

Page 60: ...e internal reference voltage of about 2 5V If the reference voltage is lower the cathode current is almost zero The cathode current flows through the LED of the opto coupler The collector current of the opto coupler flows through R3106 producing an error voltage connected to voltage feedback pin 14 of IC7110 10 9 6 Demagnetisation The auxiliary winding 7 9 voltage is used to detect magnetic satura...

Page 61: ...eadphone right output HSYNC Horizontal synchronization for RGB video processor KILL Kill control signal for audio outputs and for soft mute of DAC LIN_AUX Audio input left from AUX scart LIN_TV Audio input left from TV scart LOUT_AUX Audio output left to AUX scart LOUT_TV Audio output left to TV scart LRCLK Left Right clock P50 Bi directional interface used for communication between video equipmen...

Page 62: ...2 126 14305 100nF 10 16V 0603 2517 4822 126 14305 100nF 10 16V 0603 2518 4822 126 14305 100nF 10 16V 0603 2519 4822 126 14305 100nF 10 16V 0603 2520 4822 126 14305 100nF 10 16V 0603 2521 4822 126 14305 100nF 10 16V 0603 2522 4822 126 14305 100nF 10 16V 0603 2523 4822 126 14305 100nF 10 16V 0603 2524 4822 126 14305 100nF 10 16V 0603 2525 4822 126 14305 100nF 10 16V 0603 2526 4822 126 14305 100nF 10...

Page 63: ...2W 3606 4822 117 12925 47k 1 0 063W 0603 3607 4822 117 13632 100k 1 0603 0 62W 3608 4822 117 13632 100k 1 0603 0 62W 3609 4822 117 13632 100k 1 0603 0 62W 3610 4822 051 30103 10k 5 0 062W 3611 4822 051 30103 10k 5 0 062W 3612 4822 051 30103 10k 5 0 062W 3613 4822 051 30103 10k 5 0 062W 3614 4822 051 30103 10k 5 0 062W 3615 4822 051 30103 10k 5 0 062W 3616 4822 051 30103 10k 5 0 062W 3618 4822 051 ...

Page 64: ...1002 1k 1 0 6W 3235 4822 116 52244 15k 5 0 5W 3236 4822 117 11145 4k7 1 0 1W 3237 4822 117 11145 4k7 1 0 1W 3260 4822 051 20109 10Ω 5 0 1W 4xxx 4822 051 10008 0Ω 5 0 25W 1206 4xxx 4822 051 20008 0Ω 5 0 25W 0805 b 5120h 4822 157 53348 TER CHOKE ASSY CU15D3 5125 4822 157 11411 100mH z 5131h 4822 146 11138 SWITCH MODE TRAFO 5210 4822 157 11722 6 8µH 20 7 7X9 5 5230 4822 157 51462 10µH 10 4X9 8MM LAL0...

Page 65: ... 0 1W 3509 4822 117 12955 2k7 1 0 1W 0805 3510 4822 117 10833 10k 1 0 1W 3511 4822 117 10833 10k 1 0 1W 3512 4822 117 11503 220Ω 1 0 1W 3514 4822 117 12955 2k7 1 0 1W 0805 3515 4822 117 10837 100k 1 0 1W 3516 4822 051 20562 5k6 5 0 1W 0805 3517 4822 117 10833 10k 1 0 1W 3518 4822 117 11503 220Ω 1 0 1W 3519 4822 117 12955 2k7 1 0 1W 0805 3520 4822 117 10833 10k 1 0 1W 3521 4822 117 11503 220Ω 1 0 1...

Page 66: ...nF 10 50V 2203 4822 126 14585 100nF 10 50V 2204 5322 122 31647 1nF 10 63V 2205 4822 122 33926 12pF 50V 2206 4822 126 14585 100nF 10 50V 2207 5322 122 31647 1nF 10 63V 2238 5322 122 34098 10nF 10 63V f 3150 4822 051 20101 100Ω 5 0 1W 3201 4822 101 21199 10kX2 20 0 025W 3206 4822 051 20109 10Ω 5 0 1W 3207 4822 051 20229 22Ω 5 0 1W 3209 4822 051 20109 10Ω 5 0 1W 3210 4822 051 20229 22Ω 5 0 1W 3240 48...

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