Toshiba SD-1200 Service Manual
  1. Manuals
  2. Brands
  3. Toshiba Manuals
  4. DVD Player
  5. SD-1200
  6. Service manual
Toshiba SD-1200 Service Manual

Toshiba SD-1200 Service Manual

Hide thumbs Also See for SD-1200:
Table of Contents

Advertisement

Quick Links

See also: Owner's Manual
FILE NO. 810-200001
SERVICE MANUAL
DIGITAL VIDEO
DVD VIDEO PLAYER
SD-1200
Feb., 2000 s

Advertisement

Table of Contents
loading

Related Manuals for Toshiba SD-1200

Summary of Contents for Toshiba SD-1200

  • Page 1 FILE NO. 810-200001 SERVICE MANUAL DIGITAL VIDEO DVD VIDEO PLAYER SD-1200 Feb., 2000 s...

  • Page 2: Preparation Of Servicing

    LASER BEAM CAUTION LABEL When the power supply is being turned on, you may not remove this laser cautions label. If it removes, radiation of a laser may be recceived. PREPARATION OF SERVICING Pickup Head consists of a laser diode that is very susceptible to external static electricity. Although it operates properly after replacement, if it was subject to electrostatic discharge during replacement, its life might be shortened.
  • Page 3 SAFETY NOTICE SAFETY PRECAUTIONS LEAKAGE CURRENT CHECK Measure the AC voltage across the 1500 Ω resistor. Plug the AC line cord directly into a 120V AC outlet (do not use an isolation transformer for this check). Use an The test must be conducted with the AC switch on and AC voltmeter, having 5000 Ω...

  • Page 4: Table Of Contents

    CONTENTS SECTION 1 GENERAL DESCRIPTIONS 3-1. Main Circuit 1. OPERATING INSTRUCTIONS 2. LOCATION OF MAIN PARTS AND MECHANISM PARTS 3-1-1. Servo System 3-1-2. Location Diagram of Servo Test Point 2-1. Location of Main Parts 2-2. Location of Mechanism Parts 3. TROUBLESHOOTING SECTION 2 PART REPLACEMENT AND ADJUSTMENT PROCEDURES 1-2-4.

  • Page 5: Safety Precautions

    - Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. - Consult the dealer or an experienced radio/TV technician for help. WARNING: Changes or modifications made to this equipment, not expressly approved by Toshiba, or parties authorized by Toshiba, could void the user’s authority to operate the equipment.
  • Page 6 Serial No. Retain this information for future reference. Location of the required label PRODUCT IS CERTIFIED BY THE MANUFACTURER TO COMPLY WITH DHHS RULE 21 CFR SUBCHAPTER J APPLICABLE AT THE DATE OF MANUFACTURE. MANUFACTURED TOSHIBA CORPORATION 1-1,SHIBAURA 1-CHOME,MINATO-KU. TOKYO 105-8001,JAPAN...

  • Page 7: Important Safety Instructions

    Introduction IMPORTANT SAFETY INSTRUCTIONS CAUTION: PLEASE READ AND OBSERVE ALL WARNINGS AND INSTRUCTIONS GIVEN IN THIS OWNER’S MANUAL AND THOSE MARKED ON THE UNIT. RETAIN THIS BOOKLET FOR FUTURE REFERENCE. This set has been designed and manufactured to assure personal safety. Improper use can result in electric shock or fire hazard.
  • Page 8 6. Water and Moisture Do not use this product near water - for example, near a bath tub, wash bowl, kitchen sink, or laundry tub; in a wet basement; or near a swimming pool and the like. 7. Cleaning Unplug this product from the wall outlet before cleaning. Do not use liquid cleaners or aerosol cleaners.
  • Page 9 Introduction IMPORTANT SAFETY INSTRUCTIONS 13. Accessories Do not place this product on an unstable cart, stand, tripod, 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.
  • Page 10 19. Servicing Do not attempt to service this product yourself as opening or removing covers may expose you to dangerous voltage or other hazards. Refer all servicing to qualified service personnel. 20. Replacement Parts When replacement 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.

  • Page 11: Precautions

    Introduction Precautions Notes on handling Notes on moisture condensation When shipping the DVD video player, the original Moisture condensation damages the DVD video shipping carton and packing materials come in handy. player. Please read the following carefully. For maximum protection, repack the unit as it was Moisture condensation occurs, for example, when you originally packed at the factory.

  • Page 12: Notes On Discs

    Notes on Discs On handling discs Structure of disc contents Do not touch the playback side of the disc. Normally, DVD video discs are divided into titles, and the titles are sub-divided into chapters. VIDEO CDs and audio CDs are divided into tracks. DVD video disc DVD video disc Title 1...

  • Page 13: Playable Discs

    Introduction Notes on Discs (continued) About this owner’s manual Playable discs This owner’s manual explains the basic instructions of This DVD video player can play the following discs. this DVD video player. Some DVD video discs are Maximum Disc produced in a manner that allows specific or limited Disc Mark Contents Size...

  • Page 14: Table Of Contents

    Table of Contents Introduction Advanced playback SAFETY PRECAUTIONS ......2 Locating a Specific Location Directly ... 26 Entering the time of the desired location ..26 IMPORTANT SAFETY INSTRUCTIONS ... 4 Playing Repeatedly ......... 27 Precautions ..........8 Repeating a title, chapter, or track ....27 Notes on Discs ..........

  • Page 15: Introduction

    Introduction Identification of Controls See the page in for details. Front panel PAUSE button POWER indicator Disc tray STOP button PLAY button PLAY PAUSE STOP POWER OPEN/CLOSE SKIP POWER button DVD display SKIP buttons OPEN/CLOSE button Rear panel VIDEO OUT jack AC inlet ColorStream™...

  • Page 16: Dvd Display

    Pressing of the FL DIMMER button on the remote DVD display control changes the brightness of the display. FL DIMMER Normal Dimmed Total playing time/remaining time/elapsed time indicators Play mode indicator Memory playback indicator Title/track number indicator Chapter number indicator TITLE TRK INDEX TOTAL...

  • Page 17: Remote Control

    Introduction Identification of Controls (continued) The instructions in this manual describe the functions on the remote control. See the page in for details. Remote control POWER button OPEN/CLOSE button POWER OPEN/CLOSE FL DIMMER SETUP button FL DIMMER button SETUP DISPLAY ZOOM 3D button DISPLAY button...

  • Page 18: Loading Batteries

    Loading batteries Operating with the remote control Open the cover. Point the remote control at the remote sensor and press the buttons. 30° 30° Within about 7 m (23 feet) Insert batteries (AA size). Distance: About 7 m (23 feet) from the front of the remote sensor Angle: About 30°...

  • Page 19: Connections

    Connections Connecting to a TV Connect the DVD video player to your TV. For details of output sound, see Connecting to a TV Signal flow AC IN VIDEO OUT VIDEO AUDIO OUT BITSTREAM/ ANALOG To S VIDEO (yellow) (red) (white) To wall outlet To VIDEO To ANALOG AUDIO OUT...

  • Page 20: Connecting To An Audio System And Tv Equipped With Colorstream™ (Component Video) Inputs

    Connecting to an audio system and TV equipped with ColorStream™ (Component video) inputs Signal flow AC IN VIDEO OUT VIDEO AUDIO OUT BITSTREAM/ ANALOG (red) To P To P To Y (white) To wall outlet VIDEO VIDEO VIDEO To ANALOG AUDIO OUT To audio inputs of the amplifier To Y video input (red)

  • Page 21: Connecting To Optional Equipment

    Connections Connecting to Optional Equipment You can enjoy high quality dynamic sounds by connecting the DVD video player to optional audio equipment. For connection to your TV, see “Connecting to a TV” 16 17 : Front speaker : Center speaker For details of output sound, see : Rear speaker : Signal flow...

  • Page 22: Connecting To An Amplifier Equipped With An Mpeg2 Audio Decoder

    Warning • Do not set “Audio Out Select” to “Bitstream” from the on-screen displays unless you are connecting (via the 35 39 BITSTREAM/PCM AUDIO OUT jack) an AV decoder that has the Dolby Digital, Digital Theater Systems (DTS) or MPEG2 decoding function.

  • Page 23: Basic Playback

    POWER On-Screen Language: the POWER indicator on the player TOSHIBA Select the appropriate Thank you for your purchase of this TOSHIBA DVD Player. illuminates. Please make a selection on-screen language. for On-Screen Language and your TV shape and press ENTER button on your remote control.
  • Page 24 To obtain a higher quality picture Occasionally, some picture noise not usually visible during a normal broadcast may appear on the TV screen while playing a DVD video disc because the high SETUP resolution pictures on these discs include a lot of information. While the amount of noise depends on the TV you use with this DVD video player, you should generally TOP MENU reduce the sharpness adjustment on your TV when viewing DVD video discs.

  • Page 25: Playing Fast In Reverse Or Forward Direction

    Basic playback Playing a Disc (continued) You can play discs at various speeds, and resume playback from the location where you stopped playback. PAUSE/STEP PLAY SLOW Playing fast in reverse or forward direction To resume normal playback Press REV or FWD during playback. Press PLAY.

  • Page 26: Playing In Slow-Motion

    Playing in slow-motion To resume normal playback Press SLOW during playback. Press PLAY. SLOW Each time you press the SLOW PLAY button, the slow-motion speed changes. TV screen Notes • The sound is muted during slow-motion playback. • The playback speed may differ depending on the disc. 1/2 the normal 1/4 the normal 1/8 the normal...

  • Page 27: Locating A Specific Title, Chapter, Or Track

    Basic playback Locating a Specific Title, Chapter, or Track Normally, DVD video discs are divided into titles, and the titles are sub-divided into chapters. VIDEO CDs and audio CDs are divided into tracks. You can quickly locate any specific title, chapter, or track. DVD video disc Title 1 Title 2...

  • Page 28: Locating A Specific Chapter Or Track Directly

    TOP MENU Number buttons ENTER CLEAR PLAY SKIP Locating a specific chapter or track directly Press T. Press PLAY. Skip steps 1 and 2 if you are using a VIDEO CD/ PLAY Playback starts from the selected audio CD. chapter or track. Title : hapter : To select a title and chapter number at the same...

  • Page 29: Advanced Playback

    Advanced playback Locating a Specific Location Directly You can locate a specific location by entering its corresponding time (hours, minutes, seconds). Entering the time of the desired location Notes Press T twice. • Some discs may not respond to this process. •...

  • Page 30: Playing Repeatedly

    Playing Repeatedly You can play a specific title, chapter, track, or segment repeatedly. (Title repeat, chapter/track repeat, A-B repeat) CLEAR PLAY REPEAT A-B RPT Repeating a title, chapter, or track Press REPEAT. Press PLAY. Each time you press the REPEAT The DVD video player starts repeat PLAY REPEAT...

  • Page 31: Playing In A Favorite Order

    Advanced playback Playing in a Favorite Order DISPLAY You can combine your favorite titles, chapters, or tracks and play them in the order you determine. You can program up to 28 selections into the memory. (Memory playback) Title: 2 Title: 2 Title: 1 Chapter: 25 Chapter: 12...

  • Page 32: Playing In Random Order

    Playing in Random Order You can play titles, chapters within a title, or tracks in random order. (Random playback) Title: 1 Chapter: 3 CLEAR Title: 2 Title: 3 Chapter: 2 Chapter: 1 Playing titles, chapters or tracks in random order To resume normal playback Press RANDOM.

  • Page 33: Zooming A Picture

    Advanced playback Zooming a Picture You can magnify areas within a picture. ZOOM RETURN CLEAR Zooming a picture To resume normal playback Press ZOOM during normal, slow or still Press ZOOM repeatedly so that “Zoom Off” appears. playback. ZOOM As you repeatedly press the ZOOM ZOOM button, the magnification level increases.

  • Page 34: Selecting The Camera Angle

    Selecting the Camera Angle If the scene was recorded from multiple angles, you can easily change the camera angle of the scene you are watching. 1, 2 CLEAR Changing the camera angle To turn off the angle number display Press ANGLE while playing a scene Press CLEAR.

  • Page 35: Selecting Subtitles

    Advanced playback Selecting Subtitles You can display subtitles on the TV screen and select a subtitle language from those included on the DVD video disc. SUBTITLE CLEAR Good evening! Bonsoir! ¡Buenas tardes! Selecting a subtitle language To turn subtitles on or off Press SUBTITLE during playback.

  • Page 36: Selecting A Language

    Selecting a Language You can select a preferred language and sound recording system from those included on the DVD video disc. 1, 2 Good morning! Bonjour! ¡Buenos días! CLEAR Selecting a playback audio setting Press AUDIO during playback. Press AUDIO or while the audio setting is displayed on the TV screen.

  • Page 37: Viewing The Operational Information And Dvd/Cd-Text

    Advanced playback Viewing the Operational Information and DVD/CD-Text DISPLAY You can view information about a disc and its operational status on the TV screen. Checking the operational status Press DISPLAY during stop. Each time you press the DISPLAY button, the on-screen display appears as follows. DISPLAY Current track number Current title number...

  • Page 38: Function Setup

    Function setup Customizing the Function Settings You can change the default settings to customize performance to your preference. 1, 6 RETURN LANGUAGE PICTURE DISPLAY OPERATION 3, 4 AUDIO Setting procedure Press to select the setting you Press SETUP during stop. want to change, then press ENTER.
  • Page 39 Function setup Setting Details Page On-Screen Language To select a preferred language for on-screen displays. Disc Menu Language To select a preferred language for disc menus. LANGUAGE Audio Language To select a preferred language for the sound track. Subtitle Language To select a preferred language for subtitles.

  • Page 40: Setting Details

    Customizing the Function Settings (continued) Setting details Audio Language PICTURE AUDIO DISPLAY OPERATION LANGUAGE English: To play sound tracks in English. On-Screen Language French: To play sound tracks in French. Disc Menu Language LANGUAGE Audio Language Spanish: To play sound tracks in Spanish. Subtitle Language –...
  • Page 41 Function setup Customizing the Function Settings (continued) Setting details (Continued) LANGUAGE AUDIO DISPLAY OPERATION PICTURE 3) Press the buttons to shift and select the 4 : 3LB TV Shape second character by pressing the Black Level NRML PICTURE buttons. PICTURE AUDIO DISPLAY OPERATION...
  • Page 42 Karaoke Vocal LANGUAGE PICTURE DISPLAY OPERATION AUDIO Off: The primary vocal is not output. Audio Out Select Bitstream On: The primary vocal is output when it is recorded Dynamic Range Control AUDIO Karaoke Vocal on the disc. Notes • The vocal output feature is used during playback of Dolby Digital (multi-channel) recorded DVD KARAOKE discs.
  • Page 43 Function setup Customizing the Function Settings (continued) Setting details LANGUAGE PICTURE AUDIO OPERATION LANGUAGE PICTURE AUDIO DISPLAY DISPLAY OPERATION On-Screen Displays Pause/Still Auto OSD Background Color Gray Parental Lock DISPLAY OPERATION Screen Saver Remote Confirmation Title Stop On-Screen Displays Pause/Still Off: Operational modes (e.g.

  • Page 44: Pbc Vcd

    1) Press the number buttons to create a personal To change your 4-digit security code 4-digit security code, then press ENTER. 1) After selecting “On” or “Off,” press the STOP If you make a mistake before pressing the button four times, then press the ENTER ENTER button, press the CLEAR button and button.

  • Page 45: Others

    Others Table of Languages Table of languages and their abbreviations Abbreviation Language Abbreviation Language Abbreviation Language Guarani Portuguese – – – No alternate language Gujarati Quechua CHI (ZH) Chinese Hausa Rhaeto-Romance DUT (NL) Dutch Hindi Kirundi ENG (EN) English Croatian Rumanian FRE (FR) French...

  • Page 46: Before Calling Service Personnel

    Before Calling Service Personnel Check the following guide for the possible cause of a problem before contacting service. Symptoms and correction Symptom Cause Correction Page No power. • The power plug is disconnected. • Connect the power plug securely into the wall outlet.

  • Page 47: Specifications

    Others Specifications DVD video player / outputs / supplied accessories DVD Video Player Power supply 120 V AC, 60 Hz Power consumption 14 W Mass 3.0 kg 430 × 81 × 305 mm (W/H/D) External dimensions Signal system Standard NTSC Laser Semiconductor laser, wavelength 650 nm Frequency range...

  • Page 48: Limited Warranty Dvd Video Player

    LIMITED WARRANTY DVD VIDEO PLAYER Toshiba America Consumer Products, Inc. (“TACP”), Toshiba Hawaii (“THI”) and Toshiba Canada Limited (“TCL”) make the following limited warranties. These limited warranties extend to original purchaser or any person receiving this set as a gift from the original purchaser and to no other purchaser or transferee.
  • Page 49 Canadian consumers are requested to complete the special Canadian “Warranty Registration Form” enclosed, and forward this completed form with a copy of bill of sale to TOSHIBA OF CANADA to “Register and Validate” their warranty. Product must be purchased from an Authorized Canadian Dealer. Products purchased in the U.S.A. and used in Canada are not covered by these warranties.

  • Page 50: Location Of Main Parts

    2. LOCATION OF MAIN PARTS AND MECHANISM PARTS 2-1. Location of Main Parts Feed motor PC board EU01 Main PC board EU02 Power supply PC board EU05 Output PC board EU04 Power SW PC board Disc motor PC board Loading motor PC board EU03 Front display PC board Fig.
  • Page 51 2-2. Location of Mechanism Parts Tray Clamper stay Fig. 1-2-2 Mechanism chassis assembly (Top side) Loading motor PC board Mechanism chassis Fig. 1-2-3 Mechanism chassis assembly (Bottom side)
  • Page 52 Loading belt Gear Kick lever Gear Gear Loading motor Disc motor Cam Slider Fig. 1-2-4 Mechanism chassis assembly (Internal side)
  • Page 53 Front damper Front damper Pickup assembly Gear A Gear B assembly Sub chassis Rack gear assembly Rear damper Rear damper Fig. 1-2-5 Pickup mechanism chassis assembly (Top side) Feed motor Feed motor PC board Fig. 1-2-6 Pickup mechanism chassis assembly (Bottom side)

  • Page 54: Troubleshooting

    3. TROUBLESHOOTING 3-1. Main Circuit 3-1-1. Servo System (1) Initial Operation after Power ON Power ON Send each LSI hard RST command and initial command. Pickup head is positioned at transmission initial position. Is tray closed? Pin 5 of CN502, TCLS=L Tray close operation Pin 6 of IC601: LDMP = H/L...
  • Page 55 The pickup transmission initial operation is carried out to determine the initial position by transmitting the pickup to the innermost position once (start-limit switch (pin 4 of CN503) Pickup (P.U.) transmission initial develops "L".) and to the external direction at low speed operation does not occur.
  • Page 56 Disc kind misjudgement Check laser current. (Initial setting is NG.) Are FE and SBAD 90 mA 50 mA Check laser current. signals for each disc normal? 50 mA 90 mA lop = Voltage between (E534 and E536)/10Ω Check pins 14, 15 Check wiring for Check peripheral and 16 of IC502...
  • Page 57 (2) Picture appears (PLAY) PLAY Disc motor (D.M.) forced accelleration (500 ms) Focus search Repeat three times. Is forcus servo CLV servo ON. Tracking balance adjustment Tracking servo ON. Focus gain adjustment Automatic adjustment is carried out when a disc is replaced after power ON.
  • Page 58 Disc motor (D.M.) does not rotate. Does pin 117 of IC401 (TP409) PLCK oscillate around 10 MHz ? Check peripheral Check peripheral circuits circuit of IC402. of IC402. Check disc motor and wiring. Fig. 1-3-10 Focus servo is NG. Focus servo ON signal waveform Are FE, SBAD, FE signal...
  • Page 59 Tracking servo is NG. Is TE signal normal? Check peripheral Check IC502. circuit of IC601. Fig. 1-3-13 Signal waveform at Signal waveform at tracking servo ON (DVD) 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...
  • Page 60 Does pulse of Disc playback is NG (DVD). L = 1.65V and H = 3.3V develop at pin 131 and L = 0V and H = 1.65V develop at pin 132 of IC401? Is PLL locked? Check peripheral circuits (Refer to waveforms.) of IC401 and IC601.
  • Page 61 3-1-2. Location Diagram of Servo Test Point IC503 CN501 CN503 CN701 IC503 IC401 CN901 IC502 IC903 IC906 CN502 CN604 IC301 CN301 CN603 CN601 IC401 IC502 Fig. 1-3-21...

  • Page 62: Replacement Of Mechanical Parts

    SECTION 2 PART REPLACEMENT AND ADJUSTMENT PROCEDURES CAUTIONS BEFORE STARTING SERVICING Electronic parts are susceptible to static electricity and may easily damaged, so do not forget to take a proper grounding treatment as required. Many screws are used inside the unit. To prevent missing, dropping, etc. of the screws, always use a magnetized screw- driver in servicing.
  • Page 63 1-1-3. Tray Panel <Mounting > <Tray Ejection> 1. The spring for tray side pressure is inserted into the portion “A”. (Refer to Fig. 2-1-2.) 1. Slide the slider (2) of the mechanism chassis assembly (1) with a screwdriver, etc. in the arrow direction, so 2.
  • Page 64 Tray (3) • After inserting the tray (3), confirm that the mark of the gear (4) matches with that of the rack gear on the tray (first tooth of the gear). (Refer to Fig. B.) Figure A Gear (4) Triangle mark Tray panel (4) Tray panel (4) Claws...

  • Page 65: Pc Board Replacement

    1-2-2. Output PC Board 1-2. PC Board Replacement 1. Peel off the tape (3). 1-2-1. Main PC Board 2. Remove the connector (2). Note: 3. Disconnect two flexible cables (1). • Before removing the main PC board (4), be sure to 4.
  • Page 66 1-2-3. Power PC board 1-2-4. Front PC Board 1. Peel off the tape (1). 1. Remove the front panel. (Refer to item 1-1-4.) 2. Remove the connectors (2) and (3). 2. Remove four screws (1) and remove the front display PC board (2) 3.

  • Page 67: Mechanism Parts

    1-3-2. Loading Belt 1-3. Mechanism Parts 1. Remove the gear (1) by releasing the claw. 1-3-1. Mechanism Chassis Assembly 2. Remove the gear (2). Note: 3. Remove the gear (3) and the loading belt (4). • When removing the mechanism chassis assembly (3), 4.
  • Page 68 1-3-3. Loading Motor 1-3-4. Sub Chassis (with a pickup mechanism) 1. Turn the mechanism chassis assembly (1) upside down. 1. Remove the loading belt. (Refer to item 1-3-2.) 2. Remove one screw (2) and release the boss “A” from the 2.
  • Page 69 1-3-5. Pickup Mechanism Assembly 1-3-6. Gear B Assembly, Gear A and Rack Gear Assembly <Removal> <Removal> 1. Remove four screws (1) and four washers (2) and then remove the pickup mechanism assembly (3). 1. Remove one screw (1) and remove the gear B assembly (2).
  • Page 70 1-3-7. Feed Motor <Removal> Positioning holes Gear B assembly (1) 1. Remove the gear B assembly (1) and the gear A (2). Pickup Head (5) (Refer to item 1-3-6.) 2. Remove two screws (1) and remove the feed motor (2) (with the feed motor PC board (3) attached).

  • Page 71: Servicing Diagrams

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

  • Page 72: Circuit Symbols And Supplementary Explanation

    2. CIRCUIT SYMBOLS AND SUPPLEMENTARY EXPLANATION 2-1. Precautions for Part Replacement • In the schematic diagram, parts marked (ex. • Using the parts other than those specified shall violate the regulations, and may cause troubles such as F801) are critical part to meet the safety regulations, operation failures, fire etc.

  • Page 73: Inductor Indication

    2-4. Inductor Indication Eg. 4 ... Η Unit None µ ... µH ... mH Tolerance None ... ±5% ... ±0.1% ... ±0.25% ... ±0.5% ... ±1% ... ±2% Type name ... ±10% ... ±20% Fig. 3-2-4 2-5. Waveform and Voltage Measurement Eg.

  • Page 74: When Replaced Rom Ics Or Upgraded Firmware

    IC615 may be requested for servicing. DATA UPDATE KIT (RS-232C Interface/cable) RS-232C cable Computer (MS-DOS/PC-DOS) CN601 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.
  • Page 75 3. PRINTED WIRING BOARD AND SCHEMATIC DIAGRAM EU05 OUTPUT CNY02 Board-in CNY01 CNX01 FFC 1mm 7P FFC 1mm 14P Press-fit W901 W301 CN901 CN301 Mechanism W501 FFC 1mm 18P CN802 VREF CN602 CN501 EU02 CN601 POWER FFC 1.25mm 6P W502 LDMP TOPN EU01 MAIN...

  • Page 76: Block Diagrams

    4. BLOCK DIAGRAMS 4-1. Overall Block Diagram Data/Control Bus DVD AV Data SP DIF Data MAIN PROCESSOR UNIT AUDIO/VIDEO OUTPUT UNIT IC402 HY512264JC-50 2M-DRAM IC201 Coaxial Digital MSM514800C-70JS Buffer Audio Out ICY02 4M-DRAM Tray TC74HCU04 Motor 256fs Audio RF Amp. Master Clock Feed 1chip-SERVO...
  • Page 77 4-2. Power Supply Block Diagram Fig. 3-4-2...
  • Page 78 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 79 4-3-3. Front Display, Power Switch Block Diagram Fig. 3-4-5...
  • Page 80 4-4. Main Block Diagrams 4-4-1. Servo System Block Diagram &1 Õ Õ ,& ,& ,& 6HUYR 6HUYR 'DWD SU 'DWD SUR R F F H H V V VR VRU U 0 '5$0     7& 7&   ) )     3/&.
  • Page 81 4-4-2. Logical System Block Diagram Fig. 3-4-7...
  • Page 82 4-5. Output Block Diagram Fig. 3-4-8...

  • Page 83: Circuit Diagrams

    5. CIRCUIT DIAGRAMS 5-1. Power Supply Circuit Diagram Q801 AC120V 60Hz input ON MODE V:50 V/div H:5 µs/div Fig. 3-5-1 Part Loca- Part Loca- Part Loca- tion tion tion C801 D807 Q828 C802 D808 R801 C803 D809 R802 C804 D821 R803 C805 D822...
  • Page 84 Fig. 3-5-2...
  • Page 85 5-2. Front Display, Power Switch Circuit Diagram Fig. 3-5-3...
  • Page 86 Part Loca- Part Loca- tion tion IC101, Pin IC101, Pin A101 EG02 C101 EG03 C102 EG04 C103 EG05 C104 EG06 CN101 EG07 CN102 EG08 CN103 EG09 D101 EG10 D102 EG11 X-OUT D141 EG12 E002 EG13 V: 2 V/div V: 2 V/div E004 EP01 H: 100 ns/div...

  • Page 87: Main Circuit Diagrams

    5-3. Main Circuit Diagrams 5-3-1. New Main ICs Information TC9489F TA1313F PCM1716-E PLL1700E...
  • Page 88 Main ICs Function Table 3-5-1 Ref. No. IC Name Function Detail IC601 S24C04BFJ-TB EE-PROM Setup default, memorization of specification setting. IC303 ADV7170 Video Encorder Built-in D/A converter. Encodes digital video signal to analog video signal of NTSC/PAL system. IC301 MD36710X AV Decorder Decryption, MPEG-2 Decode, Audio Decode, Sub Picture Decode, OSD.
  • Page 89 Table 3-5-4 TA1313F (1/2) Table 3-5-4 TA1313F (2/2) Name Function Name Function GNDP GND terminal –– –– LDO2 Drive output 2 Power supply terminal Monitor input 2 –– –– –– –– GND2 GND terminal Analog VREF RFDC DC feedback capacity Vrfi Filter capacity for the reference Boost adjustment...
  • Page 90 Table 3-5-5 TC9489F (1/4) Table 3-5-5 TC9489F (2/4) Name Function Name Function ASLCN Data slice negative output Microcomputer data bus ASLCO Analog data slice output Microcomputer data bus DVSS DAC-only ground Microcomputer data bus R-channel output signal VDD5 5V power supply DVDD DAC-only power supply ––...
  • Page 91 Table 3-5-5 TC9489F (3/4) Table 3-5-5 TC9489F (4/4) Name Function Name Function External RAM data input/output AWIN Active-wide PLL control signal input External RAM data input/output AVSS 3.3V analog block-only ground External RAM data input/output Focus error signal input External RAM data input/output Tracking error signal input VSS3 3.3V digital ground...
  • Page 92 5-3-2. Main Circuit Diagram Part Loca- Part Loca- Part Loca- Part Loca- Part Loca- Part Loca- Part Loca- Part Loca- tion tion tion tion tion tion tion tion IC502 R437 R622 C201 C452 CN503 C1 E503 E634 C202 C453 CN601 D1 E504 E635 IC503...
  • Page 93 Fig. 3-5-5...
  • Page 98 A2.p65...
  • Page 100 2000/02/23, 15:15...
  • Page 101 Fig. 3-5-5...

  • Page 102: Output Circuit Diagram

    5-4. Output Circuit Diagram CNX01 JX01 Composite D-10 ICY02 ICY01 BUFFER LPF & AMP video output (a) Pin (b) Pin -10.0 100% color bar (Play) CVBS output 75Ω terminated 100% color bar V: 500 mV/div V: 0.5 V/div H: 20 µs/div H: 20 µs/div Transistor JX01...
  • Page 103 Part Loca- Part Loca- Part Loca- Part Loca- tion tion tion tion CNY01 B1 CY17 EY20 RX21 CNY02 A9 CY18 EY21 RX22 CNX01 D1 CY19 EY22 RX23 CX01 CY20 EY23 RX24 CX02 CY21 EY24 RX25 CX03 CY22 EY25 RX26 CX04 DX01 EY26 RX27...
  • Page 104 Fig. 3-5-7...
  • Page 105 5-5. Motor System Circuit Diagram Part Loca- tion Fig. 3-5-8...
  • Page 106 6. PC BOARDS 6-2. Power Switch PC Board The parts location list shows ex. 6-1. Power Supply PC Board A1/B1= top side/bottom side. Part Loca- Part Loca- Part Loca- tion tion tion C801 F821 CN103 B6/ – C802 F822 D141 B7/ –...
  • Page 107 6-3. Main PC Board C501 CN503 CN501 R502R503 C503 C702 C506 C508 CN701 R505 IC504 Q501 R405 C535 R501 R504 R506 C424 IC501 D501 C504 R512 C510 R510 R507 R539 R410 IC902 C901 C505 R427 C507 R429 C704 C705 C707 C910 R431 R913...
  • Page 108 C501 CN503 CN501 R502R503 C503 C702 C506 C508 CN701 R505 IC504 Q501 R405 C535 R501 R504 R506 C424 IC501 D501 C504 R512 C510 R510 R507 R539 R410 IC902 C901 C505 R427 C507 R429 C704 C705 C707 C910 R431 R913 R514 X401 R433 IC503...
  • Page 109 Part Loca- Part Loca- Part Loca- tion tion tion R506 C203 CN603 R507 C204 CN701 R510 CN901 C205 D501 R512 C302 R514 C310 D901 R515 D902 C314 FL901 R539 C316 IC301 R618 C318 R619 C320 IC401 R620 IC403 C324 IC501 R621 C325 R622...
  • Page 110 C711 FL701 C502 C706 FL401 C536 R401 C710 C709 C708 C407 C414 C426 C405 C412 R417 R701 C416 C417 R412 C453 C452 R454 R420 R422 R425 C421 C427 R426 R418 R509 R453 C520 R546 C411 C401 R542 R424 C428 R428 C422 R406 C514 C515...
  • Page 111 C711 FL701 C502 C706 FL401 C536 R401 C710 C709 C708 C426 C405 C412 R417 C407 C414 R701 C416 C417 R412 C453 C452 R454 R420 R422 R425 C421 C427 R426 R418 R509 R453 C520 R546 C411 C401 R542 R424 C428 R428 C422 R406 C514 C515...
  • Page 112 Part Loca- Part Loca- Part Loca- Part Loca- Part Loca- tion tion tion tion tion C448 IC202 R439 R906 C201 C451 IC302 R440 R907 C202 C452 IC303 R441 R909 C206 C453 IC304 R442 R912 C207 C301 C502 IC402 R443 R919 C303 C509 IC601...
  • Page 113 6-4. Output PC Board The parts location list shows ex. A1/B1= top side/bottom side. Part Loca- Part Loca- Part Loca- Part Loca- tion tion tion tion CNX01 C4/ – CY17 – /F2 RJ16 – /F3 RX18 – /G4 CNY01 C3/ – CY18 –...
  • Page 114 6-5. Front Display PC Board The parts location list shows ex. A1/B1= top side/bottom side. Part Loca- tion A101 C5/– C101 B6/– C102 –/E7 C103 –/E2 C104 C1/– CN101 C8/– CN102 C1/– D101 –/E8 D102 –/E8 FG101 C9/– FG102 C1/– IC101 –/E6 L101...

  • Page 115: Parts List

    SECTION 4 PARTS LIST SAFETY PRECAUTION The parts identified by ! ( ) mark are critical for safety. Replace only with part number specified. The mounting position of replacement is to be identical with originals. The substitute replacement parts which do not have the same safety characteristics as specified in the parts list may create shock, fire or other hazards.

  • Page 116: Exploded Views

    4. EXPLODED VIEWS 4-1. Packing Assembly ZF23 ZF10 ZF20 ZF11 ZF01 ZF17 ZF30 ZK09 ZK04 ZK03 ZK01 ZK02 ZF17 Fig. 4-4-1...

  • Page 117: Chassis Assembly

    4-2. Chassis Assembly ZG60 BID 3.0x6.0 ZG60 BID 3.0x6.0 ZG20 ZG63 ZG60 BID 3.0x6.0 EU02 ZG67 W901 W301 W503 ZG64 EU01 W501 W502 ZG74 ZG21 ZG71 ZG60 EU05 ZG71 ZG68 EU04 W102 ZG22 EU03 ZG69 ZG26 ZG70 ZG03 ZG01 W603 Fig.

  • Page 118: Mechanism Assembly

    4-3. Mechanism Assembly MC61 BID 2.6x8.0 MP01 MP60 MP16 MP91 PAN 1.7x4.0 MC04 MP61 MP92 PAN 2.6x15 MP37 MC03 MP65 PAN 1.7x3 MP37 MP36 MC63 MC12 BID 2.6x3.5 MC11 MC14 MC33 MP36 FM01 EU05 MC65 MC10 BID 2.6x3.5 ZG63 MC01 W6.2P0.2D12 RM01 W6.2P0.2D12...
  • Page 119 5. PARTS LIST LOCATION PART NUMBER NUMBER DESCRIPTION - MECHANICAL PARTS - FM01 79070421 Motor Assy,Feed MC01 79070416 Chassis Assy,Mechanism MC14 79070428 Belt,Loading MP01 79070415 Mechanism Assy,pickup MP16 79070422 Gear MP36 79070458 Rubber,Dumper Kit MP37 79070458 Rubber,Dumper Kit MP60 79070020 Screw 1.7x4.0mm MP61...
  • Page 120 LOCATION PART LOCATION PART NUMBER NUMBER DESCRIPTION NUMBER NUMBER DESCRIPTION R826 79030002 Res,Carbon 10kohm J 1/6W - ELECTRICAL PARTS - R827 79030033 Res,Carbon 3.3kohm J 1/6W R828 79030053 Res,Oxide Metal 560ohm J 1W R829 79030004 Res,Carbon 1kohm J 1/6W ! EU02 79085042 PC Board Assy Power...
  • Page 121 LOCATION PART LOCATION PART NUMBER NUMBER DESCRIPTION NUMBER NUMBER DESCRIPTION Q602 79050031 Transistor,Chip DTA114EKA - MISCELLANEOUS - X401 79089021 Oscillator,Ceramic 22.58MHz X601 79089022 Oscillator,Ceramic 9.00MHz X901 79089003 Oscillator SMD49,27MHz EU05 79085043 PC Board Assy Output - INTEGRATED CIRCUITS - ICX01 79040229 LA7106M-TLM ICX02...

Table of Contents