Toshiba SD-2050 Page 111 Service Manual Download

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6-3. Main PC Board

Fig. 3-6-4 EU01 Main PC Board (Top pattern and Top parts location diagram)

Summary of Contents for SD-2050

Page 1: ...DVD VIDEO PLAYER SERVICE MANUAL May 2000 s FILE NO 810 200005 SD 2050 DIGITAL VIDEO ...

Page 2: ...h it operates properly after replacement if it was subject to electrostatic discharge during replacement its life might be shortened When replacing use a conductive mat soldering iron with ground wire etc to protect the laser diode from damage by static electricity And also the LSI and IC are same as above 1MΩ Ground conductive wrist strap for body Soldering iron with ground wire or ceramic type C...

Page 3: ...l exists the fault must be located and corrected Repeat the above test with the DVD VIDEO PLAYER power plug reversed NEVER RETURN A DVD VIDEO PLAYER TO THE CUSTOMER WITHOUT TAKING NECESSARY CORRECTIVE ACTION READING SHOULD NOT EXCEED 0 3V The lightning flash with arrowhead symbol within an equilateral triangle is intended to alert the user to the presence of uninsulated dangerous voltage within th...

Page 4: ...t PC Board 6 5 Front Display PC Board CONTENTS SECTION 1 GENERAL DESCRIPTIONS 1 OPERATING INSTRUCTIONS Specifications 2 LOCATION OF MAIN PARTS AND MECHANISM PARTS 2 1 Location of Main Parts 2 2 Location of Mechanism Parts 1 REPLACEMENT OF MECHANICAL PARTS 1 1 Cabinet Replacement 1 1 1 Top Cover 1 1 2 Tray Panel 1 1 3 Front Panel 1 1 4 Rear Panel 1 2 PC Board Replacement 1 2 1 Main PC Board 1 2 2 O...

Page 5: ...SECTION 1 GENERAL DESCRIPTIONS SECTION 1 GENERAL DESCRIPTIONS 1 OPERATING INSTRUCTIONS ...

Page 6: ...ed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by o...

Page 7: ... player Model No Serial No Retain this information for future reference Location of the required label PRODUCT IS CERTIFIED BY THE MANUFACTURER TO COMPLY WITH DHHS RULE 21CFR SUBCHAPTER J APPLICABLE AT THE DATE OF MANUFACTURE MANUFACTURED SERIAL NO TOSHIBA CORPORATION 1 1 SHIBAURA 1 CHOME MINATO KU TOKYO 105 8001 JAPAN ...

Page 8: ...l power company For products intended to operate from battery power or other sources refer to the operating instructions 3 Grounding or Polarization This product may be equipped with a polarized alternating current line plug a plug having one blade wider than the other This plug will fit into the power outlet only one way This is a safety feature If you are unable to insert the plug fully into the...

Page 9: ...ere they exit from the product 9 Overloading Do not overload wall outlets extension cords or integral convenience receptacles as this can result in a risk of fire or electric shock 10 Lightning For added protection for this product during storm or when it is left unattended and unused for long periods of time unplug it from the wall outlet This will prevent damage to the product due to lightning a...

Page 10: ... bracket or table The product may fall causing serious injury to a child or adult and serious damage to the product Use only with a cart stand tripod bracket or table recommended by the manufacturer or sold with the product Any mounting of the product should follow the manufacturer s instructions and should use a mounting accessory recommended by the manufacturer A product and cart combination sho...

Page 11: ...eplacement parts are required be sure the service technician has used replacement parts specified by the manufacturer or have the same characteristics as the original part Unauthorized substitutions may result in fire electric shock or other hazards 21 Safety Check Upon completion of any service or repairs to this product ask the service technician to perform safety checks to determine that the pr...

Page 12: ...oth to clean the unit follow that product s instructions To obtain a clear picture The DVD video player is a high technology precision device If the optical pick up lens and disc drive parts are dirty or worn down the picture quality becomes poor To obtain a clear picture we recommend regular inspection and maintenance cleaning or parts replacement every 1 000 hours of use depending on the operati...

Page 13: ...ase Stacking or placing objects on discs outside of their case may cause warping Structure of disc contents Normally DVD video discs are divided into titles and the titles are sub divided into chapters VIDEO CDs audio CDs are divided into tracks DVD video disc VIDEO CD Audio CD Each title chapter or track is assigned a number which is called title number chapter number or track number respectively...

Page 14: ... player may not respond to all operating commands This is not a defect in the DVD video player Refer to instruction notes of discs may appear on the TV screen during operation A means that the operation is not permitted by the DVD video player or the disc Notes on region numbers The region number of this DVD video player is 1 If region numbers which stand for their playable area are printed on you...

Page 15: ...ating a Specific Title Chapter or Track 24 Locating a title using the top menu 24 Locating a title by entering the title number 24 Locating a specific chapter or track directly 25 Locating a specific chapter or track 25 Advanced playback Accessing a Specific Location Directly 26 Entering the time of the desired location 26 Playing Repeatedly 27 Repeating a title chapter or track 27 Repeating a spe...

Page 16: ...ray 20 STOP button 21 20 PLAY button POWER indicator 20 POWER button 20 DISC 1 2 indicators 20 DVD display 13 DISC SELECT button 20 SKIP buttons 25 21 PAUSE button AC IN BITSTREAM PCM L ANALOG R VIDEO Y PB PR S AUDIO OUT VIDEO OUT ANALOG AUDIO OUT jacks 16 AC inlet VIDEO OUT jack BITSTREAM PCM AUDIO OUT jack 16 17 ColorStream Component video VIDEO OUT jacks Y PB PR 18 19 17 16 S VIDEO OUT jack Pow...

Page 17: ...apsed time of the current title Example When closing the disc tray Example Total number of tracks Total playing time of the disc During playback Example Playing track 6 Elapsed time of the current track Normal Off Dimmed Disc number indicator VIDEO CD When closing the disc tray Example Total number of tracks Total playing time of the disc During playback Example Playing track 6 Elapsed time of the...

Page 18: ... PLAY REV FWD PAUSE STEP MENU CLEAR RETURN SUBTITLE AUDIO SEARCH DISPLAY 3D ZOOM FL DIMMER POWER 1 2 3 4 5 6 7 8 10 9 0 T ENTER DISC SELECT button SETUP button 35 DISPLAY button 34 ANGLE button 31 32 SUBTITLE button TOP MENU button 24 CLEAR button 25 REV button 22 PLAY button 20 SKIP button 25 STOP button 21 RANDOM button 29 MEMORY button 28 Direction buttons 35 Number buttons 24 MENU button RETUR...

Page 19: ...sion If the remote control does not function correctly or if the operating range becomes reduced replace all batteries with new ones If battery leakage occurs wipe the battery liquid from the battery compartment then insert new batteries 1 2 3 Within about 7 m 23 feet 1 2 30 30 Point the remote control at the remote sensor and press the buttons Distance About 7 m 23 feet from the front of the remo...

Page 20: ... not connect the yellow video cable Notes Refer to the owner s manual of the connected TV as well When you connect the DVD video player to your TV be sure to turn off the power and unplug both units from the wall outlet before making any connections If your television set has one audio input connect the DVD video player to a Y cable adapter not supplied and then connect to your TV Connect the DVD ...

Page 21: ...s power cord If you leave the amplifier power on the speakers may be damaged Connecting to an audio system and TV equipped with ColorStream Component video inputs Signal flow To wall outlet To audio inputs of the amplifier red white red white To Y VIDEO OUT To PB VIDEO OUT To PR VIDEO OUT To PR video input To PB video input To Y video input TV or monitor with component video inputs Audio system Co...

Page 22: ... equipped with Dolby Digital Connect the equipment the same way as described in Connecting to an amplifier equipped with a Dolby Digital decoder Refer to that amplifier s owner s manual and set the amplifier so you can enjoy Dolby Pro Logic Surround sound With an amplifier not equipped with Dolby Digital Connect the equipment as follows To BITSTREAM PCM AUDIO OUT To ANALOG AUDIO OUT Amplifier equi...

Page 23: ...necting an amplifier equipped with a digital audio input and speaker system right and left front speakers Notes DO NOT connect the BITSTREAM PCM AUDIO OUT jack of the DVD video player to the AC 3 RF input of a Dolby Digital Receiver This input on your A V Receiver is reserved for Laserdisc use only and is incompatible with the BITSTREAM PCM AUDIO OUT jack of the DVD video player Connect the BITSTR...

Page 24: ... on the disc tray With the playback side down Do not place more than one disc There are two different disc sizes Place the disc in the correct guide on the disc tray If the disc is out of the guide it may damage the disc and cause the DVD video player to malfunction Do not place anything except DVD video discs VIDEO CDs or audio CDs on the disc tray Press OPEN CLOSE 1 2 to close the disc tray Pres...

Page 25: ...VIDEO CDs CD You can use this function with audio CDs About the screen saver If you pause a picture of a DVD video disc and leave it still for a long while the screen saver of the DVD video player automatically appears when Screen Saver is set to On 40 To turn off the screen saver press the PLAY button Automatic Power Off function If the DVD video player is stopped or the screen saver is engaged f...

Page 26: ...Playing frame by frame Press PAUSE STEP during still playback Each time you press the PAUSE STEP button the picture advances one frame To resume normal playback Press PLAY Note The sound is muted during frame by frame playback DVD VCD CD DVD VCD PAUSE STEP PLAY PLAY FWD REV PAUSE STEP PLAY SLOW STOP Press REV or FWD during playback REV Fast reverse playback FWD Fast forward playback Each time you ...

Page 27: ...8 the normal speed 1 2 DVD VCD SLOW 2 1 4 1 8 1 2 Press PLAY Playback starts from the beginning of the current title Playback starts from the beginning of the disc If you want to return to the beginning of a DVD video disc open and close the disc tray once with the OPEN CLOSE 1 2 button for the disc you want to play before pressing the PLAY button Notes The DVD video player s memory is also cleare...

Page 28: ...sc If different instructions appear on the TV screen follow those instructions If you display the top menu during playback and press the TOP MENU button again without selecting any title the DVD video player may resume playback from the point where you first pressed the TOP MENU button depending on the actual DVD video disc This method of locating a title is available only on a disc that contains ...

Page 29: ...ers To clear the Title and Chapter display press the T button several times Press SKIP or repeatedly to display the chapter or track number you want Playback starts from the selected chapter or track To locate succeeding chapters or tracks Playback starts from the beginning of the current chapter or track When you press twice playback starts from the beginning of the preceding chapter or track Not...

Page 30: ...d location Accessing a Specific Location Directly You can access a specific location by entering its corresponding time hours minutes seconds 2 1 Notes Some discs may not respond to this process Some scenes may not be located precisely as you specified This method for accessing specific locations is available only within the current title of the DVD video disc or within the current track of the VI...

Page 31: ...A B RPT at the beginning of the segment point A you want to play repeatedly Press A B RPT again at the end of the segment point B The DVD video player automatically returns to point A and starts repeat playback of the selected segment A B 2 1 To resume normal playback Press CLEAR Notes Some discs may not permit A B repeat operation You cannot set the A B repeat function for a segment that includes...

Page 32: ...2 3 To change the programmed selections 1 While the MEMORY display appears on the TV screen press to move the highlighted bar to the item you want to change 2 Change the selection following the instructions in step 2 To cancel the programmed selections 1 While the MEMORY display appears on the TV screen press to move the highlighted bar to the item you want to cancel 2 Press CLEAR To resume normal...

Page 33: ...tarts random playback Press the PLAY button within about 5 seconds after you press the RANDOM button 2 1 To resume normal playback Press CLEAR Notes Some discs may not permit random playback operation You cannot use the random playback function in conjunction with the memory playback function Title 1 Chapter 3 Title 2 Chapter 2 Title 3 Chapter 1 CLEAR 2 1 Chapter Random Title Random Track Random R...

Page 34: ... the menus cancel the zoom playback The magnification level varies depending on the picture size you select 38 Press 3D during playback The current setting is displayed Each time you press the 3D button the setting changes as follows Notes You may sense a difference in volume between normal and 3 D N 2 2 enhanced sound 3 D N 2 2 sound enhancement may not function or may not be realized depending o...

Page 35: ...anges e g Cycles backwards You can change the camera angle directly by pressing the number buttons corresponding to its angle number instead of using the buttons To turn off the angle number display Press CLEAR To disable the angle icon display on the TV From the on screen displays set On Screen Displays to Off 40 Monitor the DVD display when you want to change the camera angle Notes You can chang...

Page 36: ...es When you turn on the DVD video player or replace a disc the player returns to the initial default setting 37 When you select a subtitle language which is not included on the disc the DVD video player plays a prior language programmed on the disc During some scenes the subtitles may not appear immediately after you change the subtitle language by pressing the buttons Subtitles Subtitles are not ...

Page 37: ... a prior sound track programmed on the disc Some discs allow you to change audio selections only via the disc menu If this is the case press the MENU button and choose the appropriate language from the selections on the disc menu BITSTREAM PCM jack ANALOG AUDIO OUT jacks BITSTREAM PCM jack ANALOG AUDIO OUT jacks BITSTREAM PCM jack ANALOG AUDIO OUT jacks Bitstream Analog 2ch PCM Audio selection fro...

Page 38: ...e Subtitle ENG ENG CH D Angle 0 50 45 0 10 24 0 10 15 0 03 08 Elapsed Play Remain Off 1 1 12 2 3 On D N 2 2 Current title number Current chapter number Playback mode Elapsed time and remaining time of the current title Operational status Current audio setting Current subtitle setting Current angle setting Current 3 D N 2 2 setting Elapsed time and remaining time of the current chapter Bit Rate Mbp...

Page 39: ...me operations may be inaccessible and a message will appear In this case try again after playback is stopped Press to select the setting you want to change then press ENTER Change the selection by or other buttons referring to the pages from 37 then press ENTER Repeat steps 3 and 4 to change other settings To select another symbol go back to step 2 Press SETUP The on screen display disappears 4 5 ...

Page 40: ...a function that makes faint sounds easier to hear even if you lower the volume during late hours playback To turn on or off the vocal output during DVD KARAOKE disc playback To turn on or off the operational status display on the TV screen To select the background color for on screen displays To turn on or off the screen saver To select the resolution of still pictures Field Frame To turn on or of...

Page 41: ... To view on screen displays in French Spanish To view on screen displays in Spanish Disc Menu Language English To display disc menus in English French To display disc menus in French Spanish To display disc menus in Spanish Others To make a further choice After pressing the ENTER button follow steps 1 4 below 1 Obtain the abbreviation of the preferred language from the list 42 2 Select the first c...

Page 42: ...are cut off 16 9 Widescreen Select when a 16 9 wide TV is connected Notes The displayable picture size is preset on the DVD video disc Therefore the playback picture of some DVD video discs may not conform to the picture size you select When you play DVD video discs recorded in the 4 3 picture size only the playback picture always appears in the 4 3 picture size regardless of the TV shape setting ...

Page 43: ... a DVD video disc recorded on the Dolby Digital MPEG1 or MPEG2 recording system Dynamic Range Control Off Full dynamic range is maintained On Dynamic range is reduced Notes This function works only during playback of Dolby Digital recorded discs The level of Dynamic Range Reduction may differ depending on the DVD video disc AUDIO DVD VCD CD PICTURE DISPLAY OPERATION Karaoke Vocal AUDIO Dynamic Ran...

Page 44: ...the DVD video player Make sure this function works with your DVD video discs Off The parental lock feature does not function After pressing the ENTER button follow step 1 below On To activate the parental lock feature or change the settings After pressing the ENTER button follow steps 1 3 below On Screen Displays Off Operational modes e g Play are not displayed On Operational modes e g Play are di...

Page 45: ...our 4 digit security code again 2 Press the buttons to select the country whose standards were used to rate the DVD video disc 3 Press the buttons to select the parental lock level then press the ENTER button You cannot play DVD video discs rated higher than the level you selected unless you cancel the parental lock function For example when you select level 7 discs rated higher than level 7 are l...

Page 46: ... RN RO RU RW SA SD SG SH SI SK SL SM SN SO SQ SR SS ST SU SV SW TA TE TG TH TI TK TL TN TO TR TS TT TW UK UR UZ VI VO WO XH YO ZU Guarani Gujarati Hausa Hindi Croatian Hungarian Armenian Interlingua Interlingue Inupiak Indonesian Icelandic Hebrew Yiddish Javanese Georgian Kazakh Greenlandic Cambodian Kannada Kashmiri Kurdish Kirghiz Latin Lingala Laotian Lithuanian Latvian Lettish Malagasy Maori M...

Page 47: ...ointed at the remote sensor of the DVD video player The remote control is too far from the DVD video player The batteries in the remote control are exhausted Correction Connect the power plug securely into the wall outlet Press the PLAY button Select the appropriate video input mode on the TV so the picture from the DVD video player appears on the TV screen Connect the video cable securely into th...

Page 48: ...ss than 0 002 Wow and flutter Below measurable level less than 0 001 W PEAK Operating conditions Temperature 5 C to 35 C Operation status Horizontal Outputs Video output 1 0 V p p 75 Ω negative sync pin jack 1 S video output Y 1 0 V p p 75 Ω negative sync Mini DIN 4 pin 1 C 0 286 V p p 75 Ω Component video output Y 1 0 V p p 75 Ω negative sync pin jack 1 PB PR 0 7 V p p 75 Ω pin jack 2 Audio outpu...

Page 49: ...the first rental or thirty 30 days from the date of shipment to the rental firm whichever comes first Commercial Units Products sold and used for commercial use have a limited ninety 90 day warranty for all parts and labor Owner s Manual You should read the owner s manual thoroughly before operating this product You should complete and mail the enclosed Demographic card within ten 10 days after yo...

Page 50: ...any parts In no event shall TACP THI be liable for consequential or incidental damages No person agent distributor dealer or company is authorized to change modify or extend the terms of these warranties in any manner whatsoever The time within which an action must be commenced to enforce any obligation of TACP THI arising under the warranty or under any statute or law of the United States or any ...

Page 51: ...47 Others Memo ...

Page 52: ...ECHANISM PARTS 2 1 Location of Main Parts Fig 1 2 1 EU05 Output PC board Feed motor PC board EU03 Front display PC board Loading motor PC board Disc motor PC board EU04 Power SW PC board EU01 Main PC board EU02 Power supply PC board ...

Page 53: ...ion of Mechanism Parts Fig 1 2 2 Mechanism chassis assembly Top side Fig 1 2 3 Mechanism chassis assembly Bottom side Mechanism shield cover Mechanism chassis assembly First tray Tray Mechanism chassis assembly ...

Page 54: ...Fig 1 2 4 Mechanism chassis assembly Internal side Gear Loading belt Gear Gear Second tray Fig 1 2 5 Mechanism chassis assembly Bottom side Loading motor PC board Pickup mechanism assembly ...

Page 55: ...echanism chassis assembly Top side Fig 1 2 7 Pickup mechanism chassis assembly Bottom side Damper Damper Damper Pickup assembly Sub chassis Damper Gear B assembly Rack gear assembly Gear A Feed motor Feed motor PC board ...

Page 56: ...ent Is a disc present DVD or CD initial setting DVD single Initial setting DVD dual Initial setting CD Initial setting To each disc playback process DVD single single layer DVD single single layer DVD dual dual layer CD CD DVD dual dual layer 1 Tray close operation Pin 6 of IC604 LDMP H L Pin 7 of IC604 LDMN L Is tray closed Pin 5 of CN502 TCLS L Y N Tray stops Pin 6 of IC604 LDMP H Pin 7 of IC604...

Page 57: ...at pin 162 of IC401 Check BUS between IC401 and IC604 and oscillation Check feed gear N Y 2 1 No disc misjudgement display of disc presence Does lens move with UP DOWN full stroke in focus direction Is laser current normal Check IC401 Does search signal output at both edges of focus coil Pins 10 to 13 of CN501 Does focus search voltage of 1 65V 0 4V develop at pin 1 of IC503 E546 Check pickup head...

Page 58: ...al circuits of IC502 Q501 lop Voltage between E534 and E536 10W Replace pickup mechanism Check wiring for pickup head Check peripheral circuits of IC502 Q501 lop 90 mA lop 50 mA 3 Y Fig 1 3 4 Fig 1 3 5 DVD single single layer disc detection waveform FE signal Pin150 TP405 of IC401 RFSB signal Pin152 TP503 of IC401 1 65V V 500 mV div H 2 ms div DVD dual dual layer disc detection waveform V 500 mV d...

Page 59: ... adjustment Tracking gain adjustment Focus balance adjustment RF gain adjustment Repeat three times Is address code possible to read Search Picture appears Does NG continue more than 3 s Disc playback NG 4 2 1 5 4 6 Y N N Y Y Automatic adjustment is carried out when a disc is replaced after power ON N N N Y Y N N Y Y Fig 1 3 9 2 Picture appears PLAY ...

Page 60: ... Focus servo is NG Are FE RFSB FSON signals normal Check peripheral circuit of IC604 Do signals output to pins 4 to 9 of CN501 Check IC502 Check wiring for pickup head Lens cleaning Replace pickup mechanism Y Y N N 5 FE signal Pin 150 TP405 of IC401 RFSB signal Pin 152 TP503 of IC401 0 3V 1 65V 0 3V Focus search Focus servo on Focus servo ON signal waveform Fig 1 3 10 Fig 1 3 11 Fig 1 3 12 ...

Page 61: ...04 Check IC502 6 Y N Signal waveform at tracking servo ON CD TE signal Pin 151 TP406 of IC401 1 65V RFRP signal Pin 153 TP408 of IC401 Search ON SRCH Pin 38 TP411 of IC401 ON search Tracking servo on Signal waveform at tracking servo ON DVD Fig 1 3 13 Fig 1 3 14 Fig 1 3 15 ...

Page 62: ...7 Y N N N N Y Y Y DVD RF signal Pin 45 TP502 of IC502 V 500 mV div H 50 ns div DVD RF signal DVD RF signal Pin 45 TP502 of IC502 DVD PLCK Pin 117 TP409 of IC401 CH1 TP515 DVDRF 500 mV div CH2 TP511 DVDPLCK 5 V div 50 ns div DVD playback waveform CD RF signal Pin 45 TP502 of IC502 V 500 mV div H 100 ns div CD RF signal CD RF signal Pin 45 TP502 of IC502 CD PLCK Pin 117 TP409 of IC401 CH1 TP502 CDRF...

Page 63: ... CN503 CN501 CN701 CN901 CN301 E544 DMRV TP408 RFRP TP503 RFSB TP401 VREFD TP405 FE TP502 RFO E536 E534 E535 TP504 RFCT TP410 FLGA TP411 FLGB TP406 TE TP409 PLCK TP412 VMCK E547 FMDRV E545 TRDRV E546 FODRV E523 IC503 IC401 IC502 3 1 2 Location Diagram of Servo Test Point ...

Page 64: ... 1 REPLACEMENT OF MECHANICAL PARTS 1 1 Cabinet Replacement 1 1 1 Top Cover 1 Remove five screws 1 and remove the top cover 2 Fig 2 1 1 1 1 2 Tray Panel Tray Ejection 1 Remove four screws 1 and remove the mechanism shield cover 2 Note When mounting the mechanism shield cover 2 tighten four screws 1 with the cover lifted as much as possible since a little gap is provided between the cover and the me...

Page 65: ...ttle in the arrow A direction with the tray 3 held to release two claws and lift up the tray panel 4 in the arrow B direction then the tray panel 4 is removed 3 When mounting the tray panel 4 fit the tray panel 4 into the groove of the both sides of the tray 3 until it clicks Fig 2 1 4 Tray 5 Gear 4 Mechanism assembly 3 Mechanism assembly 3 A B Tray panel 4 Tray 3 Tray panel 4 Claws Tray 3 Claws 2...

Page 66: ...ote When mounting be sure to twist the wire for the connector 3 several times Fig 2 1 7 1 2 2 Output PC Board 1 Peel off the tape 3 2 Remove the connector 2 3 Remove two flexible cables 1 4 Remove two screws 4 6 Remove two screws 5 and remove the output PC board 6 Note When mounting be sure to twist the wire connector 2 several times Fig 2 1 8 Pickup head Screws 3 Main PC board 4 Flexible cables 1...

Page 67: ...ease two claws and remove the power PC board 7 Fig 2 1 9 1 2 4 Front Display and Power SW PC Boards 1 Remove the front panel Refer to item 1 1 3 2 Remove six screws 1 and remove the front display PC board 2 3 Remove two screws 3 and remove the power switch PC board 4 Fig 2 1 10 Tape 1 Connector 2 Connector 3 Screws 6 Screws 5 Power PC board 7 Claws Binding band 4 Screws 1 Front display PC board 2 ...

Page 68: ...and remove the mechanism chassis assembly 3 Fig 2 1 11 1 3 2 Loading Belt 1 Eject the tray 1 Refer to item 1 1 2 Pull out the tray 1 to this side until it stops 2 Remove one screw 2 and remove the gear 3 3 Remove the gear 4 and loading belt 5 4 Replace the loading belt 5 5 Perform the reverse steps of removal described above for mounting Note When mounting the loading belt 5 take care not to twist...

Page 69: ... 2 Solder the terminals of the loading motor 3 on the loading motor PC board 4 3 Since the switch of SW3 comes over the external peripheral portion of the cam push the switch by inserting a spacer to the clearance between the chassis and the loading motor PC board 4 Refer to Fig A 4 With the loading motor PC board 4 held tighten two screws 2 1 on the loading motor 3 side and then fix two screws 2 ...

Page 70: ...B Assembly Gear A and Rack Gear Assembly Removal 1 Remove one screw 1 and remove the gear B assembly 2 2 Remove the gear A 3 3 Remove one screw 4 and remove the rack gear assembly 5 Fig 2 1 18 Mounting 1 When mounting perform the reverse order of the removal 2 Mount the gear B assembly 1 by pushing the pickup head 5 to the disc motor side arrow A direction and shifting the upper gear of the rack g...

Page 71: ...d solder the termi nals 3 Perform the reverse order of the removal Note After mounting put the lead wires through the notch of the pickup mechanism assembly Fig 2 1 21 Feed motor 2 Feed motor PC board 3 Screws 1 Pickup mechanism assembly Desolder Lead wires Notch Fig 2 1 19 Note Mount the gear B assembly 1 and the gear A 2 with their gear teeth placed more than one tooth at least inside the shaded...

Page 72: ...chanism chassis assembly part A and pull out the tray 1 with it obliquely lifted up Fig 2 1 22 Tray 1 Tray 1 Gear 2 Mechanism chassis assembly A Claws The First Tray 1 Removal 1 Slide the tray marked 1 in the arrow direction then remove it from two bosses Fig 2 1 23 The Second Tray 2 Removal 1 Turning the gear counterclockwise ascends the tray Pull out the second tray marked 2 Fig 2 1 24 First tra...

Page 73: ... first tray 1 by fitting to the bosses at two locations after sliding the upper wing to the inner side 2 Slide the first tray 1 to front side arrow A direction until it stops Fig 2 1 25 The Second Tray 2 Mounting 1 Insert the second tray 2 along the lower groove 2 Turn the gear clockwise until it stops and descend the tray Fig 2 1 26 Label of first tray Upper side Lower side Upper wing mounted wit...

Page 74: ... SERVICING DIAGRAMS 1 STANDING PC BOARDS FOR SERVICING Fig 3 1 1 SECTION 3 SERVICING DIAGRAMS EU05 Output PC board EU02 Power supply PC board EU01 Main PC board EU04 Power SW PC board EU03 Front display PC board ...

Page 75: ...am Tolerance 1 Ceramic plastic and film capacitors of which capacitance are more than 10 pF None 5 or more B 0 1 C 0 25 D 0 5 F 1 G 2 2 Ceramic plastic and film capacitors of which capacitance are 10 pF or less None more than 5 pF B 0 1 pF C 0 25 pF 3 Electrolytic Trimmer Tolerance is not described Temperature characteristic None SL Ceramic capacitor For others temperature characteristics are desc...

Page 76: ...0 2 5 Waveform and Voltage Measurement The waveforms for CD DVD and RF shown in the circuit diagrams are obtained when a test disc is played back All voltage values except the waveforms are expressed in DC and measured by a digital voltmeter Eg 4 Eg 5 Fig 3 2 4 Fig 3 2 5 Type name 10m Type Tolerance ...

Page 77: ...C606 may be requested for servicing 3 Connect a computer to the main PC board of the DVD video player with using DATA UPDATE KIT P No 79080074 Fig 3 2 6 4 Writing operation Refer to the instruction attached to the data floppy disc Fig 3 2 6 Note The firmware and setup data floppy discs are not available as service parts For more information consult TOSHIBA service office in your area CN601 DATA UP...

Page 78: ...S GND 5V TXD CTS RXD RTS FMN FMP GND LMT DMN DMP VCC DMFG 1 2 3 4 5 6 7 8 9 10 11 12 13 PWON E 5V E 6V VDD 5V VDD 3 3V NC GND GND M 8V MGND VKK 34V F F PWON E 5V E 6V VDD 5V VDD 3 3V NC GND GND M 8V MGND VKK 34V F F 1 2 3 4 5 6 7 8 9 10 11 12 13 8 7 6 5 4 3 2 1 1 2 3 4 5 6 7 8 6 5 4 3 2 1 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 6P Press fit 13P Press fit W501 FFC 1mm 18P FFC 1 25mm 6P W502 FFC 1mm 8P ...

Page 79: ...IT MAIN PROCESSOR UNIT IC502 TA1313F X401 X601 IC503 KA3032 IC601 S24C04BFJ TB IC605 HY512264JC 50 IC606 MBM29F800TB 55 IC604 TMP94CS40AF IC402 HY512264JC 50 IC401 TC9489F IC301 MD36710X IC101 TMP87CH70F IC304 302 HY57V16160ALTC 10 IC201 MSM514800C 70JS IC202 IC906 PCM1716E VIDEO ENCODER IC303 ADV7170 IC903 PLL1700 AV Master Clock VIDEO LPF with AMPLIFIER LA7106M x2 Composite Video Out Component V...

Page 80: ...4 2 Power Supply Block Diagram Fig 3 4 2 ...

Page 81: ...4 3 Front Display Power Switch Block Diagram 4 3 1 Front Display Fig 3 4 3 4 3 2 Front Display Pattern Fig 3 4 4 ...

Page 82: ...Fig 3 4 5 4 3 3 Front Display Power Switch Block Diagram ...

Page 83: ...DWD 9 VHUYR Õ 6 VWHP FORFN 9 2 0 5 0 W WR R 9 9 SURF SURFH HVVRU VVRU 6 6 5 53 7 7UDFN EXIIHU FRQWUR UDFN EXIIHU FRQWURO O 5 5 9 5 6 7 5 53 3 0 02 02 3 6 55 6 0 0 1 1 3 38 8 RQWURO 86 6 592 6 67 0 6WDQGDUG YROWDJH 9 6 7 6 9UU 9 9U 9 FRLO FRLO 7 FRLO 7 FRLO 03 9 6 7 9 6 7 9 6 7 9 6 7 01 03 01 1 1 1 0 0 6 7 6 0 03 01 7231 6 7 6 6 2GUY 75GUY 0GUY 0GUY 22 752 3 1 7231 7 6 38 20 6 7 6 0 7UDFN EXIIHU FR...

Page 84: ...Fig 3 4 7 4 4 2 Logical System Block Diagram ...

Page 85: ...4 5 Output Block Diagram Fig 3 4 8 ...

Page 86: ...10 1 3 4 A B C D E G 2 5 6 7 8 9 F Fig 3 5 1 5 CIRCUIT DIAGRAMS 5 1 Power Supply Circuit Diagram ...

Page 87: ...04 C2 D805 C2 D806 C5 D807 D4 D808 F4 D809 C4 D821 B5 D822 C6 D823 C5 D824 D5 D825 D5 D826 E5 D828 B6 D830 D8 D831 D7 D832 E7 D833 E7 D834 F7 F801 E2 F821 B6 F822 C5 F823 C6 L801 C4 L821 B6 P802 G2 Q801 D3 Q802 F5 Q821 F5 Q822 E6 Q823 D7 Q824 D7 Q825 C7 Q826 B7 Q827 B7 R802 E2 R803 C2 R804 C4 R805 C5 R806 C4 R807 C4 R808 E4 R809 D4 R810 F5 R811 D5 R821 E5 R822 F5 R823 F5 R824 F6 R825 F6 R826 D7 R8...

Page 88: ...10 1 3 4 A B C D E G 2 5 6 7 8 9 F Fig 3 5 3 5 2 Front Display Power Switch Circuit Diagram ...

Page 89: ... G2 E110 G2 E111 G2 E113 G8 E114 G8 E123 E4 E124 F7 E125 F5 E126 F4 E127 F4 E128 F4 E129 F4 E130 G4 E131 G4 E133 D4 E135 C3 E136 C3 E137 C4 E138 C4 E139 D7 E141 G9 E142 G9 E143 G9 E144 G9 E146 G10 E147 F10 EF 1 B7 EF 1 B4 EG01 C4 Part Loca No tion Part Loca No tion EG02 C4 EG03 C4 EG04 C5 EG05 C5 EG06 C5 EG07 C5 EG08 C5 EG09 C5 EG10 C5 EG11 C5 EG12 C5 EG13 C5 EP01 C6 EP02 C6 EP03 C6 EP04 C6 EP05 C...

Page 90: ...5 3 Main Circuit Diagrams 5 3 1 New Main ICs Information TC9489F TA1313F PCM1716 E PLL1700E 1 44 45 88 89 132 133 176 1 20 21 40 41 60 61 80 1 14 15 28 1 10 11 20 ...

Page 91: ...ntrol of DVD or CD and performs demodulation and correction of RF signal Equalizes of playback RF signal and generates error detection signal required for each servo operation 5ch driver for motor driving Stereo audio DA converter with a dual PPL built in Performs system control for all circuits Rate control and Buffer control Memorization for firmware Table 3 5 1 Table 3 5 3 PLL1700E T Pin No 1 2...

Page 92: ...bottom of the RF ripple The peak of the RF ripple Equivalent RF ouptut Power supply terminal Pit depth adjustment TE balance FE balance Time constant adjustment Name GNDP LDO2 MD2 NC NC VrA Vrfi VrD Vdd DPAC DPBD DPD1 DPD2 SCB SCL SCD VRCK NC NC VCKF VCCP NC NC NC DFIN DFHPF VCCS DFLPF NC NC LVL NC TEO FEO NC NC DFLVL NC NC DFTN RPZ RPO RPB RPP RFO VCCR DPDB TEB FEB TCC Pin No 51 52 53 54 55 56 57...

Page 93: ...C TEST1 FLGA FLGB VSS3 RST MA MRD MWR MCE MINT MD0 MD1 MD2 MD3 MD4 Pin No 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 Function Microcomputer data bus Microcomputer data bus Microcomputer data bus 5V power supply 22M block clock output Data output block signal processing block clock output 3 3...

Page 94: ...ock only power supply RFRP center voltage input latched at zero cross RFRP signal input latched at zero cross Tracking error signal input latched at zero cross Name BD5 BD6 BD7 BD8 VSS3 BD9 BD10 BD11 BD12 VSS5 BD13 BD14 BD15 NC NC VDD3 PLCK TESM5 TESM6 TESM7 TESM8 VCC3 CFC1 CFC2 PPW PESV PVSS PESP PDOP1 PDON1 PDOP2 PDON2 LPFN LPFO PVREF VCOREF VCOT PVDO SLCO1 TESM9 TEST2 RFCD RFDVD AVDD RFCT RFZI ...

Page 95: ...Fig 3 5 5 5 3 2 Main Circuit Diagram ...

Page 96: ...5 3 2 Main Circuit Diagram ...

Page 97: ......

Page 98: ......

Page 99: ......

Page 100: ......

Page 101: ......

Page 102: ......

Page 103: ...Fig 3 5 5 ...

Page 104: ... E2 E634 D2 E635 E2 E636 D2 E637 E2 E638 E2 E639 E2 E640 E2 E641 E2 E642 E2 E643 E2 E644 D3 E645 E2 E646 E2 E647 D3 E648 D3 E650 D2 E651 D2 E654 D3 E701 E7 E702 F8 E703 E8 E704 F8 E706 E8 E710 E8 E713 E8 E714 F8 E715 F8 E716 F8 E724 E8 E725 E8 E726 E8 E727 E8 E728 E8 E729 F8 E730 E8 E901 A8 E902 B8 E903 B8 E904 B8 E905 B8 E906 B8 E907 B8 E908 B8 E909 B8 E910 B8 E911 B8 E912 B8 E913 B8 E914 B8 E915...

Page 105: ...Fig 3 5 6 10 1 3 4 A B C D E G 2 5 6 7 8 9 F 11 H 5 4 Output Circuit Diagram ...

Page 106: ...100 color bar Play E 11 V 500 mV div H 20 ms div 3 JX01 Y PB CB PR CR output Y PB PR 100 color bar Play 4 CNX01 V 0 5 V div H 20 ms div E 1 E 1 a b a Pin Y b Pin C 8 4 100 color bar Play F 1 F 1 5 CNX01 V 0 5 V div H 20 ms div a b a Pin CB b Pin CR 6 2 6 V 2 V div H 200 ms div L ch output R ch output D 10 E 10 JX01 L ch output R ch output 1 kHz FS 7 V 500 mV div H 0 1 ms div 75W terminated D 11 JX...

Page 107: ...10 EY16 C10 EY17 C10 EY18 D4 EY19 A10 EY20 A10 EY21 A10 EY22 B10 EY27 B2 EY29 D2 ICX01 E3 ICX02 G3 ICY01 C5 ICY02 C7 JX01 D11 LX01 E3 LY01 B7 QY01 B6 QY02 D6 QY03 D4 QY04 D4 QY05 D3 QY06 D3 QY12 C5 RX01 E2 RX02 F2 RX03 H3 RX04 E3 RX05 F3 RX06 G3 RX07 E4 Part Loca No tion RX08 E4 RX09 E9 RX10 E9 RX11 E9 RX12 E9 RX13 F9 RX14 D10 RX15 F10 RX16 F10 RX24 F2 RX25 G2 RY01 B4 RY02 D4 RY03 B5 RY04 C4 RY05 ...

Page 108: ...10 1 3 4 A B C D E G 2 5 6 7 8 9 F 5 5 Motor System Circuit Diagram Fig 3 5 8 CN1 B3 R1 D4 R2 D3 S1 C4 Part Loca No tion ...

Page 109: ...1 C835 B1 C839 B1 CN801 B2 CN802 B2 D802 A5 D803 A5 D804 A4 D805 A4 D806 A4 D807 A3 D808 B3 D809 A4 D821 A3 D822 A2 D823 A3 D824 B3 D825 B3 D826 B3 D828 A1 D830 B2 D831 B3 D832 B3 D833 B3 D834 B2 DZ33 B3 F801 A5 F821 A2 F822 A2 F823 B2 L801 A4 L821 A1 P802 A5 Q801 A4 Q802 A3 Q821 A2 Q822 B3 Q823 B2 Q824 A2 Q825 B2 Q826 B1 Q827 A1 R802 B5 R803 B4 R804 A4 R805 A4 R807 A4 R808 B4 R809 B4 R810 B3 R811...

Page 110: ...1 3 4 A B C D E G 2 5 F 6 2 Power Switch PC Board Fig 3 6 2 EU04 Power Switch PC Board Top side E141 E142 E143 E144 Q141 R141 CN103 D141 S141 Fig 3 6 3 EU04 Power Switch PC Board Bottom side ...

Page 111: ...IC604 IC609 IC610 IC902 IC903 IC906 Q301 Q302 Q501 Q601 Q602 R305 R306 R307 R308 R310 R312 R313 R319 R405 R410 R427 R429 R431 R433 R435 R444 R445 R446 R447 R448 R449 R450 R451 R456 R457 R458 R459 R460 R461 R501 R502R503 R504 R505 R506 R507 R510 R512 R514 R515 R539 R618 R619 R620 R621 R622 R623 R624 R625 R626 R627 R628R629 R632 R636 R637 R638 R639 R640 R641 R642 R903 R904 R908 R911 R913 R915 RM601 ...

Page 112: ... A2 IC502 A2 IC503 A1 IC504 A4 IC603 C2 IC604 C2 IC609 C2 IC610 C2 IC902 A5 IC903 B4 IC906 B5 Q301 B5 Q302 B5 Q501 A2 Q601 C2 Q602 C2 R305 C4 R306 B4 R307 B5 R308 B4 R310 B5 R312 B5 R313 B4 R319 C4 R405 A2 R410 A2 R427 A4 R429 A4 R431 A4 R433 A4 R435 A4 R444 A3 R445 A2 R446 A2 R447 A2 R448 B2 R449 B3 R450 B3 R451 B3 R456 B2 R457 B2 R458 B2 R459 B2 R460 B2 R461 B2 R501 A3 R502 A2 R503 A2 R504 A3 R5...

Page 113: ... C903 C908 C909 C912 C913 C915 C916 C917 CN602 FL301 FL306 FL401 FL701 FL702 FL703 FL704 FL705 IC201 IC202 IC302 IC303 IC304 IC402 IC601 IC602 IC605 IC606 IC607 IC608 IC901 IC904 IC905 L901 Q401 R205 R301 R302 R303 R304 R309 R311 R314 R320 R322 R323 R325 R326 R401 R402 R403 R404 R406 R407 R408 R409 R411 R412 R413 R414 R415 R416 R417 R418 R419 R420 R421 R422 R423 R424 R425 R426 R428 R430 R432 R434 ...

Page 114: ... A4 FL306 B5 FL401 A4 FL701 A4 FL702 A4 FL703 A4 FL704 A4 FL705 A4 IC201 C3 IC202 B3 IC302 C4 IC303 C5 IC304 C4 IC402 B3 IC601 C2 IC602 C2 IC605 B1 IC606 C2 IC607 C1 IC608 B1 IC901 B4 IC904 B4 IC905 B5 L901 A4 Q401 A1 R205 B3 R301 B4 R302 C5 R303 C5 R304 B5 R309 B5 R311 B5 R314 C5 R320 C5 R322 C5 R323 C5 R325 C5 R326 B5 R401 A3 R402 A2 R403 A3 R404 A2 R406 A3 R407 A3 R408 A2 R409 A3 R411 A3 R412 A...

Page 115: ...10 1 3 4 A B C D E G 2 5 6 7 8 9 F Fig 3 6 6 EU01 Main PC Board Top pattern character symbol ...

Page 116: ...10 1 3 4 A B C D E G 2 5 6 7 8 9 F Fig 3 6 7 EU01 Main PC Board Bottom pattern character symbol ...

Page 117: ...2 CX16 A3 CX18 B3 CX20 A3 CX21 A3 CX22 A2 CX23 A3 CX24 A2 CY01 B1 CY02 B1 CY03 B1 CY04 B1 CY05 B1 CY06 B1 CY07 B1 Part Loca No tion CY08 B1 CY09 A2 CY10 A2 CY11 B2 CY15 A1 CY19 B1 CY20 B1 CY21 B1 CY22 B2 ICY03 A1 JW01 B3 JW02 A3 JW03 A3 JW04 B2 JW05 A2 JW06 A2 JW07 A2 JW08 A2 JW09 B2 JW10 A1 JW11 A1 JW12 B1 JX01 A3 Part Loca No tion Part Loca No tion CX02 B3 CX07 B3 CX09 B3 CX15 B3 CX17 B2 CX19 A3...

Page 118: ...N102 B1 D104 B4 D105 B4 GND B5 MT101 B1 S101 A7 S102 A5 S103 B7 S104 B7 S105 B6 S106 B6 S107 A5 S108 B5 SP101 A6 X101 B6 C102 B5 C103 B1 D101 A6 D102 B5 E001 A7 E002 A5 E004 B6 E005 B6 E006 B6 E007 B6 E008 B6 E016 A5 E024 B6 E025 B6 E032 B5 E036 B5 E067 B7 E068 B7 E069 B6 E070 B6 E071 A5 E072 A5 E073 B5 E074 A5 E075 A5 E076 A5 E077 A5 E080 A6 E101 B1 E102 B7 E103 B6 E104 B7 E105 B6 E106 B7 E107 B6...

Page 119: ...d description ABBREVIATIONS 1 Integrated Circuit IC 2 Capacitor Cap Capacitance Tolerance for Nominal Capacitance more than 10pF P 100 0 Symbol Tolerance B 0 1 C 0 25 D 0 5 F 1 G 2 J 5 K 10 M 20 N 30 V 20 10 W 100 10 U 75 10 Q 30 10 T 50 10 Symbol Tolerance X 40 20 Y 150 10 Z 80 20 Ex 10MF J 10µF 5 Symbol Tolerance pF B 0 1 C 0 25 D 0 5 F 1 G 2 Ex 10pF G 10pF 2pF M 20 Symbol Tolerance B 0 1 C 0 25...

Page 120: ...4 EXPLODED VIEWS 4 1 Packing Assembly Fig 4 4 1 ZF01 ZF27 ZF17 ZF10 ZF11 ZF23 ZF30 ZK04 ZK01 ZK03 ZK02 ...

Page 121: ... Assembly Fig 4 4 2 EU02 ZG67 ZG20 ZG60 BID 3 0x6 0 ZG60 BID 3 0x6 0 2 6x5 ZG60 BID 3 0x6 0 ZG74 W301 W901 W501 W503 ZG64 EU01 W502 ZG60 ZG63 ZG26 ZG70 ZG71 ZG71 ZG60 2 6x5 EU04 W102 EU03 W603 ZG26 ZG70 ZG03 ZG01 ...

Page 122: ...ly Fig 4 4 3 MG63 MC10 MC14 MC63 BID 2 6x3 5 RM01 MP91 MP67 MP37 MP36 MP36 MP92 MP16 MP60 PAN 1 7x4 3 0x8 MP65 PAN 1 7x3 MP37 FM01 MP61 TZ PAN 2 6x8 MP61 TZ PAN 2 6x8 W6 6P0 5D12 W6 6P0 5D12 MC12 MC02 MP01 SW1 SW3 SW2 MC01 ...

Page 123: ...P L180 W503 79080200 Cable Flexible FFC 8P L380 W603 79080197 Cable Flexible FFC 13P L150 W901 79080227 Cable Flexible FFC 7P L70 ZF01 79078049 Remote Control Unit SE R0027 ZF10 79077080 Owners Manual English ZF11 79077081 Owners Manual French Canada ZF11 79077082 Owners Manual Spanish USA ZF17 79070272 Warranty Card USA ZF17 79070406 Warranty Card Canada ZF20 79070037 Cable AV ZF23 79088007 Power...

Page 124: ...D834 79060034 Diode Zener MTZJT 77 10B CAPACITORS C801 79020189 Cap Ceramic 1000pF M 250V LOCATION NUMBER PART NUMBER DESCRIPTION C802 79020190 Cap Ceramic 100pF M 250V C803 79020190 Cap Ceramic 100pF M 250V C804 79020189 Cap Ceramic 1000pF M 250V C805 79020106 Cap Electrolytic 100MF M 200V C806 79020016 Cap Film 0 033MF J 630V C807 79020191 Cap Ceramic 150pF K 1kV C808 79020192 Cap Ceramic 47pF J...

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