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DVD712-722

7.

Electrical Diagrams And Print-Layouts

Layout Display Board (Part 1 Bottom Side)

CL 16532007_68a.eps

240401

Summary of Contents for DVD-712

Page 1: ...021 051 CL 16532007_071 eps 140201 Contents Page 1 Technical Specifications And Connection Facilities 2 2 Warnings Laser Safety Instructions And Notes 3 3 Directions For Use 6 4 Mechanical Instructions And Exploded Views 15 5 Diagnostic Software Descriptions And Troubleshooting 20 6 Block and Wiring Diagram Block Diagram 39 Wiring Diagram 40 7 Electrical Diagrams And Print Layouts Diagram PWB Powe...

Page 2: ...o L3 CONNECTIONS SCART Euroconnector S Video Output Mini DIN 4 pins Video Output Cinch yellow Audio L R output Cinch white red Subwoofer output Cinch black Digital Output 1 coaxial 1 optical IEC958 for CDDA LPCM IEC1937 for MPEG1 2 Dolby Digital and DTS CABINET Dimensions w x h x d 435 x 92 x 320 mm Weight Approx 4 Kg GENERAL FUNCTIONALITY Stop Play Pause Fast Forward Backward Time Search Step For...

Page 3: ...evensduur 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 osserv...

Page 4: ...USYNLIG LASERSTRÅLING NÅR DEKSEL ÅPNES UNNGÅ EKSPONERING FOR STRÅLEN VARNING SYNLIG OCH OSYNLIG LASERSTRÅLNING NÄR DENNA DEL ÄR ÖPPNAD 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 WHE...

Page 5: ... is V1 3 or higher and can be ordered with codenumber 4822 727 21637 This is an update CDROM so when the ComPair CDROM is used for the first time one has to install the ComPair ENGINE CDROM V1 2 first The V1 2 CDROM can be ordered with codenumber 4822 727 634 and has to registered after installation the procedure for registration is explained in the help file of the program and in the booklet from...

Page 6: ... may cloud over when the DVD Video player is suddenly moved from cold to warm surroundings Playing a CD DVD is not possible then Leave the power on for about one hour with no disc in the unit until normal playback is possible Cleaning Discs When a disc becomes dirty clean it with a cleaning cloth Wipe the disc from the centre out in a straight line Do not use solvents such as benzine thinner comme...

Page 7: ...English Functional Overview F UNCTIONAL O VERVIEW Front and Rear Panels PLAY PREV STOP NEXT SOUND OPEN CLOSE PAUSE STANDBY ON DVD VIDEO CD CD PLAYER by STANDBY ON switches the player to Standby mode or ON DISPLAY shows the current status of the player T NEXT goes to next chapter or track B PLAY star ts playback SOUND selects Stereo Dolby Surround or 3D Sound TruSurround OPEN CLOSE opens closes the...

Page 8: ...o select these items P REPARATION 9 English Preparation General Notes Depending on your TV and other equipment you wish to connect there are various ways you could connect the player Use only one of the connections described below Please refer to the manuals of your TV VCR Stereo System or other devices as necessary to make the best connections For better sound reproduction connect the player s au...

Page 9: ...em menus will appear on the screen The Initial Setup screen will only disappear after the settings for the last item have been confirmed If any keys other than 4 3 or OK are pressed Ä will appear on the screen If the player is switched off while setting personal preferences all preferences have to be set again after switching the player on again The following items may have to be set in Initial Se...

Page 10: ... and Frame by frame playback Select STEP in the menu bar Use the 4 key to enter the step by step menu Playback will pause Use the cursor keys 1 2 to select the previous or next picture frame To exit step by step playback press B or 3 You can also step forward by pressing repeatedly on the remote control Scan Scanning plays the first 10 seconds of each chapter track on the disc Press SCAN To contin...

Page 11: ...Select Y AUDIO in the menu bar Press Y or 3 4 repeatedly to see the different languages Subtitles Select Z SUBTITLE in the menu bar Press Z or 3 4 repeatedly to see the different subtitles O PERATION 15 English Repeat DVD Video Discs Repeat chapter title disc To repeat the current chapter press REPEAT REPEAT CHPT appears on the player display To repeat the current title press REPEAT a second time ...

Page 12: ...r TRACK selection Only the following functions are possible for MP3 discs STOP PLAY PAUSE SKIP NEXT PREVIOUS REPEAT TRACK ALBUM DISC MP3 Discs Album Track Disc To repeat a track press REPEAT REPEAT TRK appears on the display To repeat an album press REPEAT a second time REPEAT ALBM appears on the player display To repeat the entire disc press REPEAT a third time REPEAT DISC appears on the player d...

Page 13: ...ctioning of PARENTAL CONTROL system and denies any liability associated with unintended watching of disc content If in doubt please make sure the disc plays according to your PARENTAL CONTROL settings before you allow children access to the player 19 English Access Control Child Lock DVD Video and Video CD Activating deactivating the child lock 1 When disc playback is stopped select ACCESS CONTROL...

Page 14: ...onversion No sound Check audio connections If you are using a HiFi amplifier try another sound source Distorted sound from HiFi Check to make sure that no audio connections are made to the amplifier amplifier phono input No audio at digital output Check the digital connections Check the settings menu to make sure the digital output is set to ALL or PCM Check if the audio format of the selected aud...

Page 15: ...ions to Mono board Open Tray See instruction below Remove 4 screws 217 module to frame Demount module Headphone board 1006 Remove connections Remove 3 knobs 208 by pulling it forward Remove 3 screws 209 board to front pay attention to earth spring 252 Demount board Display board 1003A Remove connections Remove 7 screws 211 board to front pay attention to earth spring 250 Demount board Power supply...

Page 16: ...Mechanical instructions GB 16 DVD712 722 4 CL06532147_001 eps 151100 ...

Page 17: ...Mechanical instructions GB 17 DVD712 722 4 4 2 Exploded views CL 16532007_029 eps 020201 ...

Page 18: ...Mechanical instructions GB 18 DVD712 722 4 CL 16532007_073 eps 170401 ...

Page 19: ...ce position 1 Remove the cables from the cable tie housing 2 Remove 4 screws that mount the DVD module to the bottom frame 3 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 Figure 4 1 ...

Page 20: ...after each nucleus name corresponds with the number being on the local display when the nucleus is executed during the dealer script Figure 5 1 Figure 5 2 CL06532096_001 eps 050700 Nucleus Description VideoColSetupComm 7 Checks the I2C interface with the RGB video processor on the Audio Video board only for DVD players with RGB video processor PapChksFl 6 Calculate and verify checksum of FLASH mem...

Page 21: ...raction 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 the error log and error bits information can be useful to determine any errors that occurred recently during normal operation of th...

Page 22: ...ay gets full the text tb will remain on display Figure 5 7 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 test will also pass if all button...

Page 23: ...how the following message Figure 5 14 If the user presses PAUSE the P50 test will be skipped If the user presses PLAY the P50 test is performed and the result is displayed as follows Test successfull Figure 5 15 Test fails Figure 5 16 Press the NEXT key to continue to the next text 5 4 Mono PCB Digital Part 5 4 1 Picture Test The picture test is performed by putting a predefined picture colour bar...

Page 24: ...the pinknoise signal is still available on the cinch audio outputs By pressing the PREV button the internal generated colour bar becomes visual again The test can be left by pressing the NEXT key for more than one second 5 4 3 Sound 2 Test The second soundtest is performed by producing a sine sound nucleus AudioSineOn The signal can be stopped by pressing the STOP key The display will show the fol...

Page 25: ...ing PLAY or PAUSE the result of this test will be TRUE disc motor is running 5 5 5 Focus Test Visual Test The fourth Basic Engine test tests the focussing first focussing is turned on by calling nucleus BeFocusOn The display will look as follows Figure 5 28 By pressing PLAY the user confirms that the focussing was succesful pressing PAUSE indicates a focussing failure Pressing NEXT proceeds to the...

Page 26: ...n for the explanation of each bit number If the display only shows EB 0 no error bits were set By pressing NEXT the user can continue to the next test 5 6 Loop Test See Table Below At the start of the loop test the display will show the result of the interactive player test Figure 5 34 The left side of the display contains a 3 digit code which can have a value between 000 and 111 These values are ...

Page 27: ...ad ERROR BITS in player script Basic engine errors Value Value Command to the Basic Engine not allowed in this state or unknown command 150101 8 Parameter s from the command to the Basic Engine is not valid 150102 7 Sledge could not be moved to the inner home position 150103 6 Focus failure 150104 5 Turntable motor speed could not be reached within timeout 150105 4 Radial servo could not get on tr...

Page 28: ...f 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 DVD712 001 021 051 0 2 8 0 0 0 0 0 0 0 0 0 for DVD722 001 021 051 0 2 9 0 0 0 0 0 0 ...

Page 29: ...e following commands The audio signal sine or pink noise will also be present on the digital output SPDIF This can be checked by connecting digital signal to an amplifier with digital input Check the I2S and audio signal at the following testpoints All waveforms can be refer to the waveform diagram in the chapter Diagnostic software description and troubleshooting 5 7 4 Video Output And Buffer Amp...

Page 30: ...tandby control line will release the reset of the host mP This host mP will then initialise the slave In addition when going to stand by the slave will put the host mP in reset When the slave receives the right IR or key code to leave the standby mode the reset of the host mP will be released Other slave functions are Square signal generator to generate the filament voltage which is required for a...

Page 31: ...on This means that it consists of four mP output lines The interface can be checked by setting or resetting these output ports via the I2C bus Send next command via the I2C bus Address 0x70 Command byte 0x24 Data byte xxxxabcd Where a Karaoke reset b Karaoke data c Karaoke clock d Karaoke strobe 5 8 9 P50 Interface P50 is a bi directional serial interface which is used for communication between vi...

Page 32: ... DVD player simultaneously Proceed to the nuclei AudioPinkNoise by pressing NEXT key until display shows APP SND 1 and seconds later it show Scart DVD Check supply voltages at connector 1010 Pin 9 5Vstdby Pin 10 11 5V Check 3V3 regulator 7203 and safety resistor 3209 3237 Check the delay cct 7512 3238 3239 2237 Check the Flex cable to connector 1010 Check Mono Board Check I2S signal at testpoints ...

Page 33: ...1 PM3392A ch1 CH1 200mV MTB10 0ms ch1 1 PM3392A ch1 CH1 200mV MTB10 0ms ch1 1 PM3380B m1 1 CH1 2 00 V MTB1 00us ch1 PM3380B m2 1 CH1 2 00 V MTB 100ns ch1 PM3380B CH1 2 00 V MTB10 0us ch1 m2 1 TP24 ANALOG OUT DAC PINK NOISE TP25 ANALOG OUT AUDIO CINCH PINK NOISE PM3392A ch1 CH1 2 00 V MTB 500ns ch1 1 PM3392A ch1 CH1 2 00 V MTB 500ns ch1 1 TP27 PCM_OUT 1 TP28 PCM_OUT 2 AUDIO WAVEFORM MEASUREMENT CL ...

Page 34: ...Stop keys on the local keyboard of the DVD player simultaneously Proceed to the nuclei AudioPinkNoise by pressing NEXT key until display shows APP SND 1 and seconds later it show Scart DVD Check Flex cable to connector 1010 Check Mono Board Check coupling transformer 5200 Check coupling components 3235 3236 2232 CL 16532007_014 eps 130201 AUDIO PART OF AUDIO VIDEO BOARD 3139 243 30241 PM3392A ch1 ...

Page 35: ...ck 3V3 regulator 7203 and safety resistor 3209 3237 Check the delay cct 7512 3238 3239 2237 Check the Flex cable to connector 1010 Check Mono Board Check video signal at TP1 B_Vid TP2 G_Vid TP3 R_Vid TP4 CVBS TP5 C TP6 Y Check the Flex cable to connector 1001 1010 Check Mono Board Check CVBS signal at testpoint 14 Check for 5V supply to Video buffer amplifier Check for malfunction of Video buffer ...

Page 36: ...2A PM3380B ch1 ch1 CH1 200mV MTB20 0us ch1 1 PM3392A PM3380B PM3380B ch1 ch1 CH1 200mV MTB20 0us ch1 1 TP 6 Y_ENC PM3392A ch1 ch1 PM3380B ch1 CH1 500mV MTB20 0us ch1 1 TP 14 CVBS_OUT PM3392A ch1 CH1 500mV MTB20 0us ch1 1 TP 15 C_OUT PM3392A ch1 CH1 50mV MTB20 0us ch1 1 TP 16 17 Y_OUT TP 18 U_VID OUT TP 23 V_ VID TP 19 V_VID OUT VIDEO WAVEFORM MEASUREMENT TP 22 U_ VID TP 2 VIDEO G TP 3 VIDEO R TP 4...

Page 37: ...OFF 0V 5V path D6250 C2250 L5222 T7257 and T7255 regulator unit Connect the mains inlet to a mains isolated variac Turn input voltage up and check across C2121 the voltage should be 1 41 X Vin AC Check the functionality of the following components F1120 L5120 D6118 D6119 D6120 D6121 C2121 Is power supply ticking Check the load on the secondary output Check overvoltage protection D6141 R3139 T7141 ...

Page 38: ...Diagnostic Software Descriptions And Troubleshooting GB 38 DVD712 722 5 Personal Notes ...

Page 39: ...quency current mode controller that is specifically designed for off line and DC to DC converter application This integrated circuit feature a trimmed oscillator for precise duty cycle control a temperature compensated reference high gain error amplifier current sensing comparator and a high current totem pole output ideally suited for driving a power MOSFET Also included are protective features c...

Page 40: ...ntrol Circuitry 9 2 1 Mains Input Circuit The mains voltage is rectified by bridge rectifier D6118 to D6121 and filter by C2121 The DC voltage across C2121is the DC input voltage approximately 300V is the DC input to pin 1 of transformer T5131 The mains input also consists of a lighting protection R3120 9 2 2 Start Up And Takeover Circuitry The start up circuitry consist R3123 R3134 R3111 D6129 C2...

Page 41: ... sense input The higher the input voltage the more the primary current is limited In this way the maximum output power of the power supply is limited 9 2 5 Undervoltage Protection Two undervoltage lockout comparators have been incorporated to guarantee that the IC7145 is fully functional before the output stage is enable The supply voltage at pin 7 and reference voltage at pin 8 of IC7145 are each...

Page 42: ...LK Left Right clock PCM_CLK Audio system clock for DAC PCM_OUT0 Audio serial output data R Buffered Video input Red from DVD monoboard RCIN_TV Red or Chroma input from TV scart RCOUT_TV Red or Chroma output to TV scart RIN_AUX Audio input right from AUX scart RIN_TV Audio input right from TV scart ROUT_AUX Audio output right to AUX scart ROUT_TV Audio output right to TV scart SCL I2C bus clock SCL...

Page 43: ...3125 4822 051 30682 6k8 5 0 062W 3126 4822 117 12968 820W 5 0 62W 3127 4822 051 30222 2k2 5 0 062W 3128 4822 051 30681 680W 5 0 062W 3129 4822 051 30472 4k7 5 0 062W 3130 4822 051 30221 220W 5 0 062W 3131 4822 051 30271 270W 5 0 062W 3132 4822 051 30101 100W 5 0 062W 3133 4822 051 30101 100W 5 0 062W 3134 4822 051 30759 75W 5 0 062W 3135 4822 117 12968 820W 5 0 62W 3136 4822 051 30682 6k8 5 0 062W...

Page 44: ...81 BC337 25 7106 4822 130 40854 BC327 7107 4822 130 60511 BC847B 7108 4822 130 60511 BC847B 7109 4822 130 60373 BC856B 7110 4822 130 10165 GP1U28XP 7112 4822 209 31257 MC79L24ACP PSU PWB DVD712 001 021 Various 0101 4822 265 20723 B2P3 VH 0120 4822 265 11253 FUSE HOLDER 2P 0205 2422 025 08333 CON BM V 12P M 2 50 EH B 0208 4822 267 10565 4P 1120 4822 253 30383 19181 2 5A 2120 4822 121 10711 100nF 20...

Page 45: ...030 DVD LOGO DVD711 0050 3139 247 50940 DOOR DVD751 00X PNT PRT 0060 3139 241 20110 DOOR SPRING 0200 3139 247 53281 FRONT ASSY DVD722 00X 0224 3139 247 53241 BACK PLATE DVD712 00X PPT 0232 3139 247 51170 COVER TOP DVD751 OOX PNT PRT 0244 3139 247 51261 FOOT ASSY DVD711 EU FOIL 0245 3139 247 51271 FOOT ASSY DVD711 EU 0265 4822 321 11196 MAINS CORD 20 21 0333 3103 308 92610 CABLE AUDIO 2X2RCA MALE 1...

Page 46: ...HOS T PR OCE S S OR S Ti5508 I2S FROM HD61 DECODER S 2 7 5 0 5 7 5 0 3 1 6 0 3 7 4 0 1 B S D3 MONO BOAR D A V signals I2C 0 6 12V 5V DIS PLAY BOAR D R C 7104 1113 12V stby 5V stby 5V 40V 5V 3V3 DIGITAL OUTPUT DIG_OUT AUDIO L R S CAR T CVBS S VIDE O 1011 CVBS CVBS RGB P50 Y C 3V3 DAC R egulatior Block Diagram DVD712 722 0X1 UDA1334ATS Audio L R DAC 7200 7201 I2S KILL OPTICAL OUTPUT LFE _FR E Q S ub...

Page 47: ... 7 2 GND C GND STBCONTROL GND C 20 21 2 3139 110 33841 AP US 3104 157 11191 EU 3104 157 02361 SUB LEAD 3139 110 34251 3139 110 38681 3139 110 38931 AP 4 GND 1 SCL KILL 22 2 1 EH MIC_A 5V HP_R MIC GND 1 GND 5V 12 13 14 15 7 8 9 10 16 1 0207 3V3 3V3 PCM_OUT2 GND PCM_OUT1 P50 STBCONTROL SCA 11 STBCONTROL 3V3A 12 1 5V FFC PH 1603 1600 SCL 5 5V 12VSTBY SDA 6VSTBY 3V3A Y 1 1117 3139 110 35151 3139 110 3...

Page 48: ...Electrical Diagrams And Print Layouts 41 DVD712 722 7 7 Electrical Diagrams And Print Layouts Power Supply Unit VFM EURO 3122 427 22570 CL 16532007_051 eps 050201 ...

Page 49: ...42 DVD712 722 7 Electrical Diagrams And Print Layouts Layout Power Supply Unit VFM EURO component side CL 16532007_052 eps 180401 ...

Page 50: ...Electrical Diagrams And Print Layouts 43 DVD712 722 7 Layout Power Supply Unit VFM EURO bottom side CL 16532007_053 eps 180401 ...

Page 51: ...VGND 1 1 AV_VIDEO 1 4V9 2V4 MC79L05 A2 4 4V9 1V VGND A2 11 1 TO MONO BOARD 1 S VIDEO 1V2 4V9 0V6 4V3 0V6 4V3 4V9 1V5 1V5 0V2 2V4 A2 6 1V 1V2 0V2 4V3 0V6 4V3 4V3 2V5 4V3 3V8 4V3 4V9 0V7 2V5 4V3 A2 1 0V2 A2 6 4V3 1V6 1V6 1V6 1V6 4V5 A2 3 4V9 A2 6 100R 3133 5V 4K7 3129 75R 3124 680R 3139 5VA 5V BC847B 7405 820R 3145 10K 3141 6103 BZX284 C15 3126 6K8 3116 22K 3118 680R 5V 3162 100R BZX284 C15 6105 100...

Page 52: ...P7 TP9 TP10 0V 0V 0R DIGITAL A2 7 0V 0V 0V DC vtg measured in STOP_MODE A2 8 0V7 4V9 2V3 A1 4 A2 5 A2 9 A2 5 A1 6 A1 2 1 A1 10 VIDEO LEFT 0V7 0V 0V 4V2 4V 1V6 RIGHT TO MONO BOARD 1 0V7 1V6 A2 8 A2 9 0V 0V7 0V 0V 0V 1 TO HEADPHONE A1 1 0V A1 11 0V 0V 0V 0V 0V7 0V 0V Reserved Parts AV SOUND 0V7 0V 0V 0V 1V6 0V 0V 0V7 L78L33 A1 3 1 1V6 1V6 1V6 V 0V2 1V 4V3 4V3 1V6 A1 12 SUB_WOOFER A2 7 4V8 OPTICAL 0R...

Page 53: ...46 DVD712 722 7 Electrical Diagrams And Print Layouts Layout A V Board Component Side CL 16532007_059 eps 190401 ...

Page 54: ...Electrical Diagrams And Print Layouts 47 DVD712 722 7 A V Board Overview Bottom Side CL 16532007_060 eps 260401 Part 1 CL 16532007_60a eps Part 2 CL 16532007_60b eps ...

Page 55: ...48 DVD712 722 7 Electrical Diagrams And Print Layouts A V Board Part 1 Bottom Side CL 16532007_60a eps 240401 ...

Page 56: ...Electrical Diagrams And Print Layouts 49 DVD712 722 7 A V Board Part 2 Bottom Side CL 16532007_60a eps 240401 ...

Page 57: ...D D 1 30 68 22 2105 D9 2106 D2 1113 A7 1115 D1 A B C D E F G H 35 5V V DC vtg measured in STOP MODE 12V 19 40 10 18 23 0V 5V 5V D 3 49 1205 67 66 DISPLAY PANEL 6 47 24 5V STBY control 36 6 7 8 9 10 11 12 13 14 1 2 3 4 5 6 79 2 D 6 Tact SW Model using 9 4 P50 14 12 45 For EUROPE MODELS 5V H I 0V 54 0V D 1 29 TO PSU 72 40 V PAUSE PLAY 5V 27 30V I 5V 5V 32 5V 25 26 2V 5V5 15 13 3 0V INFO FIL1 FIL2 4V...

Page 58: ... And Print Layouts 51 DVD712 722 7 Layout Display Board Component Side Layout Display Board Overview Bottom Side CL 16532007_067 eps 180401 CL 16532007_068 eps 260401 Part 1 CL 16532007_68a eps Part 2 CL 16532007_68b eps ...

Page 59: ...52 DVD712 722 7 Electrical Diagrams And Print Layouts Layout Display Board Part 1 Bottom Side CL 16532007_68a eps 240401 ...

Page 60: ...Electrical Diagrams And Print Layouts 53 DVD712 722 7 Layout Display Board Part 2 Bottom Side CL 16532007_68b eps 240401 ...

Page 61: ... USING TACT SWITCH SW DIVERSITY STANDBY YES MODEL USING BOARD TO DISPLAY 2 A B A B 1111 B1 1120 B1 2 5 1 4 3 6 1205 B2 3151 A1 6200 A1 F236 A2 F237 A1 F238 B1 F239 B2 F240 B2 1 2 1 1120 CL 16532007_025 eps 130201 BARE BOARD PCB 3139 243 30270 Layout Bare Board Standby Component side Layout Bare Board Standby Component side CL 16532007_026 eps 020201 CL 16532007_027 eps 090201 ...

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