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Toshiba SD-23VB Service Manual
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Toshiba SD-23VB Service Manual

Toshiba SD-23VB Service Manual

Dvd video player & video cassette recorder
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FILE NO. 810-200315X
SERVICE MANUAL
PAL
Hi-Fi
DVD VIDEO PLAYER &
VIDEO CASSETTE RECORDER
SD-23VB
SD-23VE
SD-23VL
MAY, 2003

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Summary of Contents for Toshiba SD-23VB

  • Page 1 FILE NO. 810-200315X SERVICE MANUAL Hi-Fi DVD VIDEO PLAYER & VIDEO CASSETTE RECORDER SD-23VB SD-23VE SD-23VL MAY, 2003...
  • Page 3 CONTENTS SECTION 1 ..SUMMARY SECTION 2 ..CABINET & MAIN CHASSIS SECTION 3 ..ELECTRICAL SECTION 4 ..MECHANISM OF VCR PART SECTION 5 ..MECHANISM OF DVD PART SECTION 6 .
  • Page 4 SECTION 1 SUMMARY CONTENTS OWNER’S MANUAL (SD-23VE-S-TB) ..............1-3 PRODUCT SAFETY SERVICING GUIDELINES FOR VIDEO PRODUCTS ..1-41 SERVICING PRECAUTIONS ................1-42 SERVICE INFORMATION FOR EEPROM IC SETTING ........1-43...

  • Page 5: Owner's Manual (Sd-23Ve-S-Tb)

    DVD PLAYER & VIDEO CASSETTE RECORDER SD-23VE-S-TE OWNER’S MANUAL Before connecting, operating or adjusting this product, please read this instruction booklet carefully and completely. ©2003 Toshiba Corporation This device does not tape-record copy protected DVD Video Discs.
  • Page 6 Safety Precautions CAUTION Notes on copyrights: It is forbidden by law to copy, broadcast, show, broadcast RISK OF ELECTRIC SHOCK DO NOT OPEN via cable, play in public, or rent copyright material without permission. CAUTION: TO REDUCE THE RISK This product features the copy protection function developed OF ELECTRIC SHOCK by Macrovision.
  • Page 7 Safety Precautions (Continued) SOME DOS AND DON'TS ON THE SAFE USE OF EQUIPMENT This equipment has been designed and manufactured to meet international safety standards but, like any electrical equipment, care must be taken if you are to obtain the best results and safety is to be assured.
  • Page 8 Table of Contents Introduction Special DVD Features ....26 Title Menu ......26 Safety Precautions .
  • Page 9 Before Use Playable Discs Disc-related terms Title (DVD only) The main film content or accompanying feature content or additional feature content, or music album. Each title (8 cm / 12 cm disc) is assigned a title reference number enabling you to Video CD (VCD) locate it easily.
  • Page 10 Before Use (Continued) Precautions Cleaning discs Fingerprints and dust on the disc can cause poor pic- Handling the unit ture quality and sound distortion. Before playing, clean the disc with a clean cloth. Wipe the disc from the cen- When shipping the unit ter out.
  • Page 11 Front Panel and Display Window Tape Eject DVD OPEN/CLOSE ( 0 0 ) Opens or closes the disc tray. Display window Tape Compartment Shows the current sta- Disc Tray DVD/VCR Indicator tus of the unit. Insert a disc here. Remote Sensor VCR Record Point the remote control here.
  • Page 12 Remote Control DVD/VCR select button POWER Select the output source (DVD or VCR) Switches DVD+VCR ON and OFF. to view on the TV screen. EJECT, OPEN/CLOSE 0-9 numerical buttons - Opens and closes the disc tray. Selects numbered options in a menu. - Ejects the tape in the VCR deck.
  • Page 13 Rear Panel AERIAL Connect the aerial using this jack. EURO AV2 DECODER Connect to pay-TV decoder, Set Top Box or another video recorder. DVD/VCR AUDIO OUT (Left/Right) Connect to an amplifier, receiver or stereo system. COMPONENT VIDEO OUT (Y Pb Pr) (DVD EXCLUSIVE OUT) Connect to a TV With Y Pb Pr inputs.
  • Page 14 Connections Component Video (Color Stream ® ) connection Tips (DVD EXCLUSIVE OUT) Depending on your TV and other equipment you wish Connect the COMPONENT VIDEO OUT/ to connect, there are various ways you could connect (DVD EXCLUSIVE OUT) jacks on the DVD+VCR the unit.
  • Page 15 Connections (Continued) Connecting to Optional Equipment Notes If the audio format of the digital output does not match Connecting to an amplifier equipped with two the capabilities of your receiver, the receiver will channel analog stereo or Dolby Surround. produce a strong, distorted sound or no sound at all. Connect the Left and Right DVD/VCR AUDIO OUT or Six Channel Digital Surround Sound via digital AUDIO OUT (DVD EXCLUSIVE OUT) jacks on this unit...
  • Page 16 Before Operation - VCR part Initial preset For the following steps we do assume that you have just connected your video recorder for the very first time. In this case the video recorder is on after mains connection. You should not touch any buttons yet. On the connected TV you will now see.
  • Page 17 Before Operation - VCR part (Continued) Setting the clock Manually To set the colour system The clock in your DVD+VCR controls time and Press VCR MENU. date settings for your DVD+VCR. The clock is set automatically during ACMS The main menu will appear on the TV screen. (Automatic Channel Memory System) when your DVD+VCR detects a channel that broadcasts a Press 1 or 2 to select the SYSTEM and press...
  • Page 18 Before Operation - VCR part (Continued) How to use the main menu Tuning in TV Stations Automatically This DVD+VCR can easily be programmed by If the TV broadcast signal is weak your DVD+VCR using the menus displayed on screen. may not detect the necessary information and will The menus are controlled from the Remote not be able to store them correctly.
  • Page 19 Before Operation - VCR part (Continued) Tuning in TV Stations Manually to find the required station. In certain areas of the country broadcast signals may be too weak for your VCR’s automatic tuning process to find or assign TV stations correctly. You must tune in these weaker broadcast stations STATION - - - -...
  • Page 20 Before Operation - VCR part (Continued) Changing the order of TV Stations Deleting TV Stations After tuning TV stations into your VCR you may wish After tuning TV stations into your VCR you may wish to change the order in which they are stored without to delete a station.
  • Page 21 Before Operation - DVD part to change the setting of an item. Caution: The number buttons can also be used for setting numbers (e.g., title number). For some functions, Before using the remote control, press the DVD button press ENTER/OK to execute the setting. to select the device to be operated.
  • Page 22 Before Operation - DVD part (Continued) Initial Settings Menu Language Select a language for the setup menu. This is the menu You can set your own Personal Preferences on the you see when you press SETUP. player. English Disc Audio General Operation Disc Subtitle Spanish...
  • Page 23 Before Operation - DVD part (Continued) Sound Dynamic Range Control (DRC) With the DVD format, you can hear a program’s sound- Digital Audio Output track in the most accurate and realistic presentation Each DVD disc has a variety of audio output options. possible, thanks to digital audio technology.
  • Page 24 Before Operation - DVD part (Continued) Parental Control Area Code Enter the code of a country/area whose standards were Rating used to rate the DVD video disc, referring to the list Movies on DVDs may contain scenes not suitable for (See “Country/Area Code List”, page 36).
  • Page 25 Operation with tape Playing a tape , Shuttle : Slow motion playback During playing back or still picture press You will only be able to load and eject video cassettes You can reach the following playback speeds. (-7xplay, -3xplay, -play, still, 1/19 slow, play, 2xplay, when your VCR is plugged into the mains.
  • Page 26 Operation with tape (Continued) One-touch Timer Recording (OTR) Press SP/LP if you wish to record in Long Play or Standard Play. SP will produce improved picture and sound quality, Your VCR allows you to make recordings using a however LP will provide twice as much recording variety of simple methods: time as SP.
  • Page 27 Operation with tape (Continued) Timer recording using On Screen Display be displayed as 13:00. You may also select the start and end times by using You may set up to seven timer record events within one month Press and press to switch VPS/PDC on or off.
  • Page 28 Operation with DVD and Video CD Playing a DVD and Video CD General Features Playback Setup VCD2.0 VCD1.1 Note Unless stated otherwise, all operations described use Turn on the TV and select the video input source the remote control. Some features may also be connected to the DVD player.
  • Page 29 Operation with DVD and Video CD (Continued) General Features (continued) Repeat A-B VCD2.0 VCD1.1 Slow Motion VCD2.0 VCD1.1 1 Press SLOW during playback or still mode. To repeat a sequence in a title: The player will enter SLOW mode. 1 Press A-B RPT at your chosen starting point. 2 Press SLOW repeatedly to select the required “A * ”...
  • Page 30 Operation with DVD and Video CD (Continued) General Features (continued) Special DVD Features Checking the contents of DVD Video Zoom VCD2.0 VCD1.1 discs: Menus The Zoom function allows you to enlarge the video image and to move through the enlarged image. DVDs may offer menus that allow you to access special features.
  • Page 31 Operation with Audio CD and MP3 Disc Playing an Audio CD and MP3 Disc otes on MP3 Recordings About MP3 An MP3 file is audio data compressed by using the The DVD Player can play MP3 formatted recordings on MPEG1 audio layer-3 file-coding scheme. We call CD-ROM, CD-R or CD-RW discs.
  • Page 32 Operation with Audio CD and MP3 Disc (Continued) Pause Repeat A-B X X X X / / / / C C C C 1 Press PAUSE/STEP during playback. To repeat a sequence. 2 To return to playback, press PLAY or press 1 During disc playback, press A-B RPT at your chosen X X X X / / / / C C C C PAUSE/STEP...
  • Page 33 Operation with JPEG Disc To stop viewing at any other time, Viewing a JPEG disc JPEG press STOP The JPEG menu appears. This DVD+VCR can play discs with JPEG files. Before > playing JPEG recordings, read the notes on JPEG Moving to another File Recordings on right.
  • Page 34 Programmed Playback VCD2.0 VCD1.1 Programmed Playback with Audio CD Programmed Playback with Video CD and MP3 Disc Note The Program function enables you to store your favorite On a Video CD with PBC, you must set PBC to Off on the tracks from any disc in the player memory.
  • Page 35 Additional Operation Hi-Fi Stereo Sound System On Screen Display (F.OSD) Your VCR will record and playback Hi-Fi stereo sound. You may easily display the current time or tape counter, In addition it has a stereo NICAM digital stereo sound amount of tape left, day, month, year, day of week, decoder.
  • Page 36 Additional Operation (Continued) Video Doctor (Self-Diagnosis) Wide Screen Compatibility 16:9 This feature informs you that there is a problem with Your VCR can record and play back wide screen aspect your VCR. These error messages will appear on the TV ratio programmes (16:9).
  • Page 37 Additional Operation (Continued) Copying from DVD To VCR This unit allows you to copy the contents of a DVD to a VHS tape with a press of the REC/OTR button. Note If the DVD you are attempting to copy is copy protected, you may not be able to copy the disc.
  • Page 38 Troubleshooting Check the following guide for the possible cause of a problem before contacting service. Cause Correction Symptom DVD or VCR do not DVD or VCR button is not switched Refer to page 6. properly. work properly. Plug the power cord into the wall outlet No power.
  • Page 39 Language Code List Enter the appropriate code number for the initial settings “Disc Audio”, “Disc Subtitle” and/or “Disc Menu” (See page 18). Code Language Code Language Code Language Code Language 6566 Abkhazian 7074 Fiji 7678 Lingala 8373 Singhalese 6565 Afar 7073 Finnish 7684...
  • Page 40 Country/Area Code List Enter the appropriate code number for the initial setting “Area Code” (See page 20). Code Country/Area Code Country/Area Code Country/Area Code Country/Area Andorra Eritrea Saint Lucia Seychelles United Arab Emirates Spain Liechtenstein Sudan Afghanistan Ethiopia Sri Lanka Sweden Antigua and Barbuda Finland...
  • Page 41 Specification General Power requirements AC 200-240V, 50Hz Power consumption Dimensions (approx.) 430 X 97.5 X 300 mm (w/h/d) Mass (approx.) 5.4 kg Operating temperature 5˚C to 35˚C (41˚F to 95˚F) Operating humidity 5 % to 90 % Timer 24 hours display type System Laser Semiconductor laser, wavelength 650 nm...
  • Page 42 P/NO: 3834RP0099P Printed in Indonesia 1-40...

  • Page 43: Product Safety Servicing Guidelines For Video Products

    PRODUCT SAFETY SERVICING GUIDELINES FOR VIDEO PRODUCTS CAUTION : DO NOT ATTEMPT TO MODIFY THIS PRODUCT IN ANY WAY, SUBJECT : X-RADIATION NEVER PERFORM CUSTOMIZED INSTALLATIONS WITHOUT MANUFAC- 1. BE SURE PROCEDURES AND INSTRUCTIONS TO ALL SERVICE PER- TURER’S APPROVAL. UNAUTHORIZED MODIFICATIONS WILL NOT ONLY SONNEL COVER THE SUBJECT OF X-RADIATION.

  • Page 44: Servicing Precautions

    SERVICING PRECAUTIONS CAUTION : Before servicing the VCR+DVD covered by this Electrostatically Sensitive (ES) Devices service data and its supplements and addends, read and fol- Some semiconductor (solid state) devices can be damaged low the SAFETY PRECAUTIONS. NOTE : if unforeseen cir- easily by static electricity.

  • Page 45: Service Information For Eeprom Ic Setting

    MASKROM : R00 cursor Up/Down key. EEPROM : R00 LG CODE • For Toshiba model, Change a remocon key by using following JIG key. Toshiba MODEL : FRONT FF + FRONT CH UP NAME BINARY...
  • Page 46 SECTION 2 CABINET & MAIN CHASSIS CONTENTS 1. EXPLODED VIEWS ........................2-2 1. Cabinet and Main Frame Section ...................2-2 2. Packing Accessory Section ....................2-4...
  • Page 47 EXPLODED VIEWS 1. Cabinet and Main Frame Section OPTIONAL PARTS...
  • Page 48 2. Packing Accessory Section 810 CABLE ASS'Y, RF CABLE, COAXIAL PLUG ASS'Y(YELLOW) PLUG ASS'Y(RED/WHITE) 813 PLUG ASS'Y(BLACK) BATTERY 821 SCART CABLE REMOCON INSTRUCTION ASSEMBLY PACKING PACKING BOX CARTON OPTIONAL PARTS...
  • Page 49 SECTION 3 ELECTRICAL CONTENTS OVERALL BLOCK DIAGRAM DVD PART ......3-2 VCR PART ELECTRICAL TROUBLESHOOTING GUIDE & WAVEFORMS ........3-54 ELECTRICAL ADJUSTMENT 1. SYSTEM OPERATION FLOW ......3-54 PROCEDURES ............3-3 2. TEST & DEBUG FLOW ........3-55 ELECTRICAL TROUBLESHOOTING DETAILS AND WAVEFORMS ON GUIDE ................3-4 SYSTEM TEST AND DEBUGGING ....3-61...
  • Page 50 OVERALL WIRING DIAGRAM...
  • Page 51 VCR PART ELECTRICAL ADJUSTMENT PROCEDURES 1. Servo Adjustment 1) PG Adjustment • Test Equipment a) OSCILLOSCOPE b) PAL MODEL : PAL SP TEST TAPE • Adjustment And Specification MODE MEASUREMENT POINT ADJUSTMENT POINT SPECIFICATION V.Out PLAY R/C TRK JIG KEY 6.5 ±...
  • Page 52 ELECTRICAL TROUBLESHOOTING GUIDE 1. Power(SMPS) CIRCUIT (1) No 5.3VA (SYS/Hi-Fi/TUNER) (2) No 12VA (TO CAP, DRUM MOTOR) NO 5.3VA. NO 12VA. Replace the F101. Is the Vcc(13V) supplied to Check or Replace Is the F101 normal? (Use the same Fuse) (+) terminal in D115, D117? the D110.
  • Page 53 (4) No 5V (TO DVD) (5) No 33V (TUNER) NO 5V. No 33V. Is 5.3VA put into Check the 5.3VA Line Check. Is Timer H “L”? the Q160 Emitter? Timer’H’ Signal. Is the Q162 Base Check the Power Check or Replace “H”? Control.
  • Page 54 (8) No 3.3V(TO DVD) (9) No 27V(TO CAP) NO 3.3V. NO 27V. Check or Replace Check the HSR ‘H’ Is Vcc(4V) supplied Is HSR ‘H’ ‘H’? to IC152 Pin1? the D111. Signal from µ-com. Check the Power Is the Q162 Base Is 0V put into the Replace Q154.
  • Page 55 2. SYSTEM/KEY CIRCUIT (1) AUTO STOP Auto Stop Does the SW25 waveform Check the Drum Motor appear at the IC501 signal. Pin105? Do T/UP Reel Pulses Do the T-UP Reel Pulses Does 5.2V appear at the appear at the Q514 appear at the IC501 Pin49? RS501? Base terminal ?
  • Page 56 3. SERVO CIRCUIT (1) Unstable Video in PB MODE Unstable Video in PB Mode. Does the Noise level of the screen change periodically? Do the CTL pulses appear Is adjusting the height of at the IC501 Pin8? the CTL Head accurate? Does the CFG waveform Readjust the height of the appear at the IC501...
  • Page 57 2. SERVO CIRCUIT (3) When the Capstan Motor doesn’t run, When the Capstan Motor doesn’t run, Refer to “SMPS(CAPSTAN/12Volt) Does 12VA appear at the PMC01? Trouble Shooting”. Does 2.8V appear at the PMC01? Check the PMC01 and the Capstan Does the PWM signal appear at the IC501 Pin108? Motor Ass’y.
  • Page 58 (4) KEY doesn’t working KEY doesn’t working. Is 5V applied to the IC501 Refer to “SMPS 5.3VA Pin36? Trouble Shooting”. Does LED or FLD change Replace the defective when a function button is switches. pressed? 3-10...
  • Page 59 4. Y/C CIRCUIT (1) No Video in EE Mode, No Video in EE Mode Does the Video signal Check the 24Pin of Tuner. appear at the IC301 Pin48? Is 5V applied to the IC301 Check the 5.2VT, 5.3VA Pins18, 24, 42, 55, 72, 91? Line.
  • Page 60 3. Y/C CIRCUIT (2) When the Y(Luminance) signal doesn’t appear on the screen in PB Mode, Is 5.2VT, 5.3VA applied to the Check the line of the 5.2VT, 5.3VA Line. (Power Circuit) IC301 Pins24, 42, 55, 72, 91? Is the I C Bus siganl applied Refer to ‘SYSTEM I C BUS...
  • Page 61 3. Y/C CIRCUIT (3) When the C(Color) signal doesn’t appear on the screen in PB Mode, Is 5.2VT/5.3VA applied to the Check the line of the 5.2VT/ 5.3VA Line. (Power Circuit) IC301 Pins24, 42, 55, 72, 91. Is the Color Rotary signal Check the Color Rotary applied to the IC301 Circuit.
  • Page 62 3. Y/C CIRCUIT (4) When the Video signal doesn’t appear on the screen in REC Mode, Is the EE signal normal? Check EE Mode. Is 5.2VT/5.3VA applied to the Check the line of the 5.2VT/ IC301 Pins24,42,55,72,91? 5.3VA Line.(Power Circuit) Does PB Mdoe operate Check PB Mode.
  • Page 63 5. Hi-Fi CIRCUIT (A) No Sound(EE Mode) No Sound. Check the TU Audio of IC801 Check the IC751 Pins30, 31. Pins2, 3. Check the DVD Audio of IC801 Check the DVD MODULE. (PMD02 Pins13, 15). Pins4, 5. Check the AV1 Audio of IC801 Check the Scart1 Jack.
  • Page 64 3. Y/C CIRCUIT (B) Hi-Fi Playback PB mode No Sound. Check the Vcc of IC801 Check Power 5.2V, 12VT. (Pins34, 40) Check the Hi-Fi Selection switch. Check IC501 Pin106 (A.H/SW) (IC801 Pin41) and the Tape quality. Is the RF Envelope at IC801 Pin44 over 2Vp-p? Check IC801 Pin42(Data), Check the parts of µ-COM...
  • Page 65 Hi-Fi REC. It can’t be recorded Hi-Fi Audio signal. Check Vcc of IC801.(Pins34, 40) Check Power 5V, 12VT. Check ports of µ-COM. Check IC801 Pin42(Data), Pin43(CLOCK). (IC501 pins 59, 60) Check Audio input signal of IC801 Do Audio signals appear at IC801 Pins2, 3(TU.A.), 4, 5(DVD.A.), Pins16, 17? 6, 7(AVI.A.), 8, 9(AV2.A.), 10, 11(AV3.A.).
  • Page 66 6. Tuner/IF CIRCUIT (A) No Picture on the TV screen No picture on the TV screen Does the Video signal at Is +33V applied to TU701 Check 33V line. the TU701 Pin24. Pin16? Is +5V applied to TU701 Check 5V line. Pin13? Does the Clock signal Check the lIC Clock Signal...
  • Page 67 (B) No Sound No Sound. Check the Vcc of IC751 Pins1, 11, 19, Check 5.2V Line. 22, 33. Check the Tuner SiF signal at IC751 Check the Tuner SIF of TU701 Pin22. Pin2. Check the oscillator of IC751 Pins5, 6. Replace X751 Check the IIC Clock and Data at IC751 Check the Audio of IC751 Pins30, 31.
  • Page 69 DVD PART ELECTRICAL TROUBLESHOOTING GUIDE 1. System operation flow Power On 1. 8032 initializes SERVO, DSP & RISC registers 2. Write RISC code to SDRAM 3. Reset RISC Show LOGO Tray Closed? Tray Close to Closed position SLED at Inner Side? SLED Moves to Inner Position 1.
  • Page 70 2. Test & debug flow TEST Check the AC Vol tage Check the POWER PART Power PCBA (110V or 220V) Switch on the Power PCBA the DC Vol tage outputs OK? Check the POWER PART (5V, 3.3V, 8V, 12V) Make sure the main PCBA don't Is 3.3V and 2.5V DC Check the regulators or diode(D601).
  • Page 71 RESET or Power On. Flash Check connecti on lines between FLASH Memory operates Show LOGO? & MT1379 and the FLASH access time properly? whether is sui table or not. Check connection lines between SDRAM SDRAM(IC502,IC503) & MT1379 and the works properl y? SDRAM is damaged.
  • Page 72 Does the SLED move Check the connection line of Motor Driver STBY to inner side when it is at STBY signal . Pin is High? outter positi on? Check the rel ated circuit of Motor Driver STBY FMSO. Pin is High? Check the amp circuit on SL+ and SL- output motor driver.
  • Page 73 Check the laser power circuit Laser turns on when LD01 or LD02 output on MT1336 and connecting to reading disc? properly? power transistor. (Q204, Q205) Collector Check therel ated ci rcuit on voltage of power laser power transi stor transistor is OK? ( Q204, Q205) Check cable connection between transistor couput and pick-up head.
  • Page 74 Proper Check connections between signals on A, B, C, Focus ON OK? MT1336 and pick-up head. D of MT1336 Check the related circuit Proper FEO signal on MT1336 FEO sugnal . on MT1336? Check FEO connection between MT1336 and MT1379 Check the related Proper FEO signal Track On OK?
  • Page 75 Audio Normal DAC received Check connection between MT1379 Audio output & Audio DAC. (Check VRST#, ACLK, correct data stream? when disc playback? ABCK, ASDAT3) Normal Check the related circuit of Audio DAC Audio DAC. (Check Audio out? (IC401) out Pin 14, 15,18,19) Check Audio filter, amplify, mute circuit.
  • Page 76 DETAILS AND WAVEFORMS ON SYSTEM TEST AND DEBUGGING 1. SYSTEM 27MHz CLOCK,RESET,FLASH R/W SIGNAL 1) MT1379 main clock is at 27MHz(X501) 3.8V, 27MHz FIG 1-1 2) MT1379 & MT1336 reset is high active. Power Cord in 5.2VA PWR_CTL(CN505 PIN 7) M_RESET(CN505 PIN 9) URST(IC501 PIN 188) FIG 1-2...
  • Page 77 3) RS232 waveform during procedure(Downloading) TXD(J6 PIN3) RXD(J6 PIN 2) FIG 1-3 4) Flash R/W enable signal during download(Downloading) FRD(IC5A1 PIN 28) FWR(IC5A1 PIN 11) FIG 1-4 3-62...
  • Page 78 2. SDRAM CLOCK 1) MT1379 main clock is at 27MHz(X501) DCLK = 93MHz, Vp-p=2.2, Vmax=2.7V (IC502,IC503 PIN 35) FIG 2-1 3. TRAY OPEN/CLOSE SIGNAL 1) Tray open/close waveform OPEN((CN203 PIN 3) CLOSE(CN203 PIN 2) TROPEN(IC202 PIN 1) TRCLOSE(IC202 PIN 2) FIG 3-1 3-63...
  • Page 79 2) Tray close waveform OPEN((CN203 PIN 3) CLOSE(CN203 PIN 2) TROPEN(IC202 PIN 1) TRCLOSE(IC202 PIN 2) FIG 3-2 3) Tray open waveform OPEN((CN203 PIN 3) CLOSE(CN203 PIN 2) TROPEN(IC202 PIN 1) TRCLOSE(IC202 PIN 2) FIG 3-3 3-64...
  • Page 80 4. SLED CONTROL RELATED SIGNAL (NO DISC CONDITION) FMSO(2.0V/1.4V/1.0V) (IC501 PIN 19) STBY(5V) – (IC201 PIN 50) SL+(4.7V/3.6V/1.9V) (IC202 PIN 12) SL-(5.3V/3.7V/2.5V) (IC202 PIN 13) FIG 4-1 5. LENS CONTROL RELATED SIGNAL(NO DISC CONDITION) FOSO(1.5V/1.4V/1.3V) (IC501 PIN 12) F+(4.0V/3.6V/3.2V) (IC202 PIN 9) F-(4.0V/3.6V/3.2V) (IC202 PIN 8) FIG 5-1...
  • Page 81 6. LASER POWER CONTROL RELATED SIGNAL(NO DISC CONDITION) MDI1(0V/180mV) (IC201 PIN 124) LD01(5.0V//3.5V) IC201 PIN 125) LD02(5.0V/3.6V) (IC201 PIN 126) FIG 6-1 7. DISC TYPE JUDGEMENT WAVEFORM F+(IC202 PIN 9) FE(IC201 PIN 18) RFL(IC201 PIN 19) FIG 7-1 (DVD) 3-66...
  • Page 82 F+(IC202 PIN 9) FE(IC201 PIN 18) RFL(IC201 PIN 19) FIG 7-2 (DVD) F+(IC202 PIN 9) FE(IC201 PIN 18) RFL(IC201 PIN 19) FIG 7-3 (CD) 3-67...
  • Page 83 F+(IC202 PIN 9) FE(IC201 PIN 18) RFL(IC201 PIN 19) FIG 7-4 (CD) 8. FOCUS ON WAVEFORM FE(IC201 PIN 18) FOSO(IC501 PIN12) F+(IC202 PIN 9) F-(IC202 PIN 8) FIG 8-1 (DVD) 3-68...
  • Page 84 FE(IC201 PIN 18) FOSO(IC501 PIN12) F+(IC202 PIN 9) F-(IC202 PIN 8) FIG 8-2 (CD) 9. SPINDLE CONTROL WAVEFORM (NO DISC CONDITION) DMSO(1.4V/1.8V) (IC501 PIN 18) SP-(3.6V/2.4V) (IC202 PIN 10) SP+(3.6V/4.8V) (IC202 PIN 11) FIG 9-1 3-69...
  • Page 85 10. TRACKING CONTROL RELATED SIGNAL(System checking) TE(IC201 PIN 21) TRSO(IC501 PIN 13) T-(IC202 PIN 7) T+(IC202 PIN 6) FIG 10-1(DVD) TE(IC201 PIN 21) TRSO(IC501 PIN 13) T-(IC202 PIN 7) T+(IC202 PIN 6) FIG 10-2(CD) 3-70...
  • Page 86 11. RF WAVEFORM RFOP(2.3V/1.1V) (IC201 PIN 6) RFON(0.8V/2.0V) (IC201 PIN 7) FIG 11-1 12. MT1379 AUDIO OPTICAL AND COAXIAL OUTPUT (ASPDIF) (IC501 PIN 153) FIG 12-1 3-71...
  • Page 87 13. MT1379 VIDEO OUTPUT WAVEFORM 1) Full colorbar signal(CVBS) (IC604 PIN 23) FIG 13-1 2) Y (IC604 PIN 21) FIG 13-2 3-72...
  • Page 88 3) C (IC604 PIN 26) FIG 13-3 14. AUDIO OUTPUT FROM AUDIO DAC 1) Audio L/R (JK601 PIN 4,5) FIG 14-1 3-73...
  • Page 89 2) Audio related Signal ASDATA3 ASDAT3(IC501 PIN 157) ABCK(IC501 PIN 148) ALRCK(IC501 PIN 149) FIG 14-2 3-74...
  • Page 90 SECTION 4 MECHANISM OF VCR PART CONTENTS DECK MECHANISM PARTS DECK MECHANISM ADJUSTMENT LOCATIONS • Tools and Fixtures for Service ....4-12 1. Mechanism Alignment Position Check..4-13 • Top View............4-1 2. Preparation for Adjustment......4-14 • Bottom View ..........4-1 3. Checking Torque ........4-14 4.
  • Page 91 DECK MECHANISM PARTS LOCATIONS • Top View Procedure Fig- Part Fixing Type Starting 1 Drum Assembly 3 Screw 2 Plate Top 2 Hook 3 Holder Assembly CST Chassis Hole 4 Opener Door Chassis Hole 5 Bracket Assembly 3 Hook L/D Motor 2,3,4 6 Gear Assembly Rack F/L 1 Hook, Chassis Hole A-2...
  • Page 92 DECK MECHANISM DISASSEMBLY Stator (S2) (S2) (S3) Drum Motor (S3) Rotor Drum Sub Assembly (Fig. A-1-1) Drum FPC Carbon Brush (S1) (S1) (S1) Holder FPC Fig. A-1 (Fig. B-1) 1. Drum Assembly (Fig. A-1-1) 1) Unplug the Drum FPC Connector. 2) Remove three Screws(S1) on bottom side and separate the Drum assembly.
  • Page 93 DECK MECHANISM DISASSEMBLY (Fig. A-2-1) Plate Top (B') (Fig. A-2-2) Holder Assembly CST (Fig. A-2-6) Arm Assembly F/L (C1) (Fig. A-2-7) Lever Assembly S/W (H8) Bracket Assembly L/D Motor Spring Lever S/W (Fig. A-2-4) (C') (E') Opener Door (Fig. A-2-3) (H6) Chassis Gear Assembly Rack F/L...
  • Page 94 DECK MECHANISM DISASSEMBLY 2. Plate Top (Fig. A-2-1) 2) Unhook three Hooks(H3, H4, H5) on bottom side of the Chassis, lift up the Bracket Assembly L/M and disassem- 1) Pull the (B) portion of the Plate Top back in direction of ble the Bracket Assembly L/D Motor.
  • Page 95 DECK MECHANISM DISASSEMBLY Arm Assembly Cleaner (Fig. A-3-1) (S4) Base Assembly A/C Head (Fig. A-3-3) Head F/E (Fig. A-3-2) Chassis Fig. A-3 9. Arm Assembly Cleaner (Fig. A-3-1) 11. Base Assembly A/C Head (Fig. A-3-3) 1) Breakaway the (A) portion as Fig. A-3-1 from the 1) Remove the Screw(S4) and lift the Base Assembly A/C embossing of the Chassis, turn the Arm assembly Head up.
  • Page 96 DECK MECHANISM DISASSEMBLY Arm Assembly Tension (Fig. A-4-3) (H11) Spring TB Brake Assembly T (Fig. A-4-1) Spring Tension Reel S Reel T (Fig. A-4-4) (Fig. A-4-4) Spring RS Brake Assembly RS (Fig. A-4-2) (H12) (H9) (H10) Base Tension Chassis Fig. A-4 12.
  • Page 97 DECK MECHANISM DISASSEMBLY Opener Lid (Fig. A-5-2) Assembly Pinch (Fig. A-5-3) Base Assembly P4 Lever T/up (H13) (Fig. A-5-1) (Fig. A-5-4) (H13) Arm T/up (Fig. A-5-5) Chassis Fig. A-5 16. Base Assembly P4 (Fig. A-5-1) NOTE 1) Breakaway the (A) portion of the Base Assembly P4 from When reassembling, confirm the (C) portion of the Arm the embossing of the Chassis.
  • Page 98 DECK MECHANISM DISASSEMBLY Belt Capstan (Fig. A-6-1) Motor Capstan (Fig. A-6-2) Washer(W1) Clutch Assembly D35 (Fig. A-6-4) (L1) (L1) Brake Assembly Capstan (Fig. A-6-5) Lever F/R (Fig. A-6-3) (L2) Chassis (S5) Fig. A-6 20. Belt Capstan (Fig. A-6-1)/ 22. Clutch Assembly D35 (Fig. A-6-4) Motor Capstan (Fig.
  • Page 99 DECK MECHANISM DISASSEMBLY (H14) Gear Cam Hole(B) Gear Cam (Fig. A-7-2) Gear Drive Hole(A) Washer (W2) Gear Sector (Fig. A-7-3) Plate Slider Gear Drive (Fig. A-7-4) (Fig. A-7-1) Lever Tension (Fig. A-7-5) Lever spring (L3) (Fig. A-7-6) Gear Drive Hole(C) Base Loading (H15) (H16)
  • Page 100 DECK MECHANISM DISASSEMBLY Gear Assembly P2 Hole Gear Assembly P3 Hole Gear Assembly P3 (Fig. A-8-2) Gear Sector Hole(A) Lever Spring Boss Gear Assembly P2 Plate Slider Hole(B) (Fig. A-8-1) Chassis Base Assembly P3 (Fig. A-8-4) Base Assembly P2 (Fig. A-8-3) Fig.
  • Page 101 DECK MECHANISM DISASSEMBLY (S7) Base Tension Base Loading (Fig. A-9-2) Arm Assembly Idler (Fig. A-9-1) (Fig. A-9-3) Chassis Fig. A-9 31. Base Loading (Fig. A-9-1) 33. Arm Assembly Idler (Fig. A-9-3) 1) Remove the Screw(S7). 1) Make narrower the two parts, (B) and (C), as Fig. A-9-3. 2) Lift the Base Loading up.
  • Page 102 DECK MECHANISM ADJUSTMENT • Tools and Fixfures for Service 1. Cassette Torque Meter 2. Alignment Tape 3. Torque Gauge SRK-VHT-303(Not SVC part) Parts No NTSC: DTN-001 600g.Cm ATG Parts No: D00-D006 PAL:DTN-0002 Parts No:D00-D002 4. Torque Gauge Adaptor 5. Post Height Adjusting Driver 6.
  • Page 103 DECK MECHANISM ADJUSTMENT 1. Mechanism Alignment Position Check Purpose:To determine if the Mechanism is in the correct position, when a Tape is ejected. Test Conditions (Mechanism Test Equipment/ Fixture Check Point Condition) • Mechanism and Mode Switch Position • Blank tape •...
  • Page 104 DECK MECHANISM ADJUSTMENT 2. Preparation for Adjustment (To set the cassette without tape. Cover the holes of the End Sensors at the both sides of Deck Mechanism of the loading state the Chassis to prevent a light leak. without inserting a cassette tape). Then the Deck Mechanism drives to the Stop Mode.
  • Page 105 DECK MECHANISM ADJUSTMENT 4.Guide Roller Height Adjustment Purpose: To regulate the height of the tape so that the bottom of the tape runs along the tape guide line on the Lower Drum. 4-1. Preliminary Adjustment Test Equipment/ Fixture Test Conditions (Mechanism Condition) Adjustment Point •...
  • Page 106 DECK MECHANISM ADJUSTMENT 5. Audio/Control (A/C) Head Adjustment Purpose: To insure that the tape passes accurately over the Audio and Control Tracks in exact alignment of the both Record and Playback Modes. 5-1. Preliminary Adjustment (Height and Tilt Adjustment) Perform the Preliminary Adjustment, when there is no Audio Output Signal with the Alignment Tape. Test Equipment/ Fixture Test Conditions (Mechanism Condition) Adjustment Point...
  • Page 107 DECK MECHANISM ADJUSTMENT 5-2. Confirm that the tape passes smoothly (2) If folding or curling is observed at the top of it then slowly turn the Tilt Adjustment Screw(C) in the between the Take-up Guide and Pinch counterclockwise direction. Roller(using a mirror or the naked eye). 1) After completing Step 5-1.(Preliminary Adjustment), check NOTE: that the tape passes around the Take-up Guide and Pinch...
  • Page 108 DECK MECHANISM ADJUSTMENT 7. Adjustment after Replacing Drum Assembly (Video Heads) Purpose: To correct for shift in the Roller Guide and X value after replacing the Drum. Test Conditions Test Equipment/ Fixture Connection Point Adjustment Points (Mechanism Condition) • CH-1: PB RF Envelope •...
  • Page 109 MAINTENANCE/INSPECTION PROCEDURE 1. Check before starting repairs The following faults can be remedied by cleaning and oil- ing. Check the needed lubrication and the conditions of cleanliness in the unit. Check with the customer to find out how often the unit is used, and then determine that the unit is ready for inspec- tion and maintenance.
  • Page 110 MAINTENANCE/INSPECTION PROCEDURE 2. Required Maintenance 4. Supplies Required for Inspection and Maintence The recording density of a VCR(VCP) is much higher than that of an audio tape recorder. VCR(VCP) components must (1) Grease : Kanto G-311G (Blue) or equivalent be very precise, at tolerances of 1/1000mm, to ensure com- (2) Isopropyl Alcohol or equivalent patibility with the other VCRs.
  • Page 111 MAINTENANCE/INSPECTION PROCEDURE 5-2) Greasing (2) Periodic greasing Grease specified locations every 5,000 hours. (1) Greasing guidelines 1) Loading Path Inside & Top side 6) Plate Slider Guide Sections Apply grease, with a cleaning patch. Do not use exces- 2) Base Assembly P2,P3 stopper 7) Plate Slider Guide Sections sive grease.
  • Page 112 MAINTENANCE/INSPECTION PROCEDURE Lever, F/R, Base, Tension GEAR AY, P2 & P3 Boss Lever, F/R Base, Tension Clutch (G-754. Yellow) Arm Tension Guide Hole 4-22...
  • Page 113 MECHANISM TROUBLESHOOTING GUIDE 1.Deck Mechanism Auto REW doesn't work. Is the output of END sensor of supply side "H"? “H”: more than 3.5V “L”: less than 0.7V~1V Is the Vcc. voltage of End Check the syscon power. sensor 5V? Replace the End sensor. Is the voltage across IR LED Replace the IR LED.
  • Page 114 MECHANISM TROUBLESHOOTING GUIDE AUTO STOP. (PLAY/CUE/REV) Check alignment positions (page 4-13). In Play/Cue/Rev, Is the Pinch Roller in contact with the Is the output of DFG, DPG OK? Replace the Drum Motor. Capstan Shaft? Are there T/up and Supply Reel Check the Servo, Syscon.
  • Page 115 MECHANISM TROUBLESHOOTING GUIDE In PB mode Tape Presence not sensed. Is the Pinch Roller attached Check Alignment positions to the Capstan Motor Shaft? (page 4-13). Does the T/Up Reel turn? Is the Belt ok? Replace the Belt. Check the Clutch and Idler Does the Capstan Motor turn? Assembly.
  • Page 116 MECHANISM TROUBLESHOOTING GUIDE 2. Front Loading Mechanism Cassette cannot be inserted. Does the Lever Assembly Is the Lever Assembly Switch Replace or add the Lever Switch work? Spring damaged or omitted? Assembly Switch Spring. Does the CST IN Switch work Replace the CST IN Switch.
  • Page 117 MECHANISM TROUBLESHOOTING GUIDE Cassette does not load. Does the cassette insert? Does the Opener Lid work? Does the Gear Assembly Rack F/L Replace the Opener Lid. work? Replace the Gear Rack F/L. Does the Opener Door work? Check the opener Door assembled Does the Arm Assembly F/L work? correctly.
  • Page 118 EXPLODED VIEWS 1. Front Loading Mechanism Section 4-28...
  • Page 119 EXPLODED VIEWS 2. Moving Mechanism Section(1) OPTIONAL PART 4-29...
  • Page 120 EXPLODED VIEWS 3. Moving Mechanism Section(2) OPTIONAL PART 4-30...
  • Page 121 MEMO...
  • Page 122 SECTION 5 MECHANISM OF DVD PART CONTENTS EXPLODED VIEW 1. Deck Mechanism Exploded View .................5-1...
  • Page 123 EXPLODED VIEWS 1. DECK Mechanism Exploded View 024A 024B 024A 011A 015A 015B 015C...
  • Page 124 SECTION 6 REPLACEMENT PARTS LIST CONTENTS 1. REPLACEMENT PARTS LIST…………………………………………..6-1...
  • Page 125 Flash memory, you must order NOTES) With respect to risk of fire or "IC3F1A" NOTES) electricial shock. SECTION 6 REPLACEMENT PARTS LIST TOSHIBA MODEL : SD-23VB-S-TB NSP : Not avallable as service parts. RUN DATE : 13-JUNE-02 AL LOCA. NO. PART NO. DESCRIPTION SPECIFICATION...
  • Page 126 AL LOCA. NO. PART NO. DESCRIPTION SPECIFICATION REMARKS 79096518 4470R-0130A GEAR MIDDLE DP7C 79096530 3390R-0014A TRAY DISK 79096520 4370R-0082B SHAFT DECK/MECHA PU R DP-7C OTHER AF000049 4370R-0082A SHAFT PU DP-7C 79096517 4471R-0013C GEAR ASSEMBLY DECK/MECHA RACK DP-7C(7A) DI 79096646 6716DPH005A PICK UP,DVD PVR-502W MITSUMI PLAYER H/HIGH 79096221...
  • Page 127 IC,LINEAR MT1336E MEDIATEK INCORPORATION IC202 79096576 0IPRPSA010A IC,PERIPHERALS LA6560-A-TE-L SANYO HSOP-36R R IC3F1A AF000102 6957R-619AB PROGRAM VB602CSK NA3FTTC TOSHIBA ESFGI IC401 79098755 0IPRPCI003B IC,PERIPHERALS CS4391-KZR CIRRUS LOGIC 20 TSS IC402 79098737 0IJR458000B IC,JRC NJM4580M 8,DMP8 TP OP AMP 2K/R L201...
  • Page 128 AL LOCA. NO. PART NO. DESCRIPTION SPECIFICATION REMARKS L261 79091005 6200HJC102A FILTER(CIRC),EMC HB-1M2012-102JT CERATECH TP L262 79091005 6200HJC102A FILTER(CIRC),EMC HB-1M2012-102JT CERATECH TP L264 79091005 6200HJC102A FILTER(CIRC),EMC HB-1M2012-102JT CERATECH TP L265 79091005 6200HJC102A FILTER(CIRC),EMC HB-1M2012-102JT CERATECH TP L401 79091005 6200HJC102A FILTER(CIRC),EMC HB-1M2012-102JT CERATECH TP L402 79091005...
  • Page 129 AL LOCA. NO. PART NO. DESCRIPTION SPECIFICATION REMARKS R405 79093020 0RH0000C622 RESISTOR,METAL GLAZED(CHIP) 0 OHM 1 / 16 W 1608 5.00% D R407 79093047 0RH5601C622 RESISTOR,METAL GLAZED(CHIP) 5.6K OHM 1 / 16 W 1608 5.00% D R408 79093051 0RH7501C622 RESISTOR,METAL GLAZED(CHIP) 7.5K OHM 1 / 16 W 1608 5.00% D R409 79093051...
  • Page 130 AL LOCA. NO. PART NO. DESCRIPTION SPECIFICATION REMARKS C329 79096613 0CH1103K416 CAPACITOR,FIXED CERAMIC(Temp.c 0.01UF 50V 5% B(5YP) 2012 R/TP C330 79096283 0CH1104K946 CAPACITOR,FIXED CERAMIC(TEMP.C 0.1UF 2012 50V 80%,-20% Y5V(F) C331 79097106 0CE2264F638 CAPACITOR,ELECTROLYTIC 22M SRA 16V M FM5 TP(5) C333 79097108 0CE4764F638 CAPACITOR,ELECTROLYTIC...
  • Page 131 AL LOCA. NO. PART NO. DESCRIPTION SPECIFICATION REMARKS C535 79096284 0CH1105F946 CAPACITOR,CHIP[CERAMIC M/L HD 1UF 16V Z Y5V(F) 2012 R/TP C543 79096285 0CH1222K516 CHIP CAPA CERAMIC M/L H.D F/S 2200P 50V K B 2.0X1.25 R/TP C544 79096607 0CH1473K946 CHIP CAPA CERAMIC M/L H.D F/S 0.047UF 50V Z Y5V(F) 2012 R/TP C545 79096287...
  • Page 132 AL LOCA. NO. PART NO. DESCRIPTION SPECIFICATION REMARKS C802 79096283 0CH1104K946 CAPACITOR,FIXED CERAMIC(TEMP.C 0.1UF 2012 50V 80%,-20% Y5V(F) C803 79096283 0CH1104K946 CAPACITOR,FIXED CERAMIC(TEMP.C 0.1UF 2012 50V 80%,-20% Y5V(F) C804 79096283 0CH1104K946 CAPACITOR,FIXED CERAMIC(TEMP.C 0.1UF 2012 50V 80%,-20% Y5V(F) C805 79096283 0CH1104K946 CAPACITOR,FIXED CERAMIC(TEMP.C 0.1UF 2012 50V 80%,-20% Y5V(F)
  • Page 133 AL LOCA. NO. PART NO. DESCRIPTION SPECIFICATION REMARKS D902 79096305 0DD133009AA DIODE,SWITCHING 1SS133 DETECT,SW TP ES501 79096443 4931R-0050C HOLDER ASSEMBLY END (DI) ES502 79096443 4931R-0050C HOLDER ASSEMBLY END (DI) F8A1 79091006 6200HJC901A FILTER(CIRC),EMC CFI06B1H101MF SAMHWA TP 2-5K FL301 79096463 633-032K COIL,IFT BIAC OSC,1CHIP 5V(KS-75M) KWAN IC301...
  • Page 134 AL LOCA. NO. PART NO. DESCRIPTION SPECIFICATION REMARKS MS501 79096467 6600JB8005B SWITCH,MODE NON 5V 1MA VERTICAL -G Q173 79095008 0TR387509AC TRANSISTOR CHIP KTC3875S-GR-T1(ALG) KEC Q301 79095008 0TR387509AC TRANSISTOR CHIP KTC3875S-GR-T1(ALG) KEC Q302 79095005 0TR150409AC TRANSISTOR KTA1504-GR-T1(ASG) CHIP KEC Q303 79095008 0TR387509AC TRANSISTOR CHIP KTC3875S-GR-T1(ALG) KEC...
  • Page 135 AL LOCA. NO. PART NO. DESCRIPTION SPECIFICATION REMARKS R343 79096556 0RH3300D622 RESISTOR,METAL GLAZED(CHIP) 330 OHM 1 / 10 W 2012 5.00% D R344 79096364 0RH4700D622 RESISTOR,METAL GLAZED(CHIP) 470 OHM 1 / 10 W 2012 5.00% D R345 79096364 0RH4700D622 RESISTOR,METAL GLAZED(CHIP) 470 OHM 1 / 10 W 2012 5.00% D R346 79096212...
  • Page 136 AL LOCA. NO. PART NO. DESCRIPTION SPECIFICATION REMARKS R575 79096365 0RH4701D622 RESISTOR,METAL GLAZED(CHIP) 4.7K OHM 1 / 10 W 2012 5.00% D R576 79096365 0RH4701D622 RESISTOR,METAL GLAZED(CHIP) 4.7K OHM 1 / 10 W 2012 5.00% D R577 79096365 0RH4701D622 RESISTOR,METAL GLAZED(CHIP) 4.7K OHM 1 / 10 W 2012 5.00% D R578 79096365...
  • Page 137 AL LOCA. NO. PART NO. DESCRIPTION SPECIFICATION REMARKS R821 79096356 0RH2201D622 RESISTOR,METAL GLAZED(CHIP) 2.2K OHM 1 / 10 W 2012 5.00% D R822 79096346 0RH1003D622 RESISTOR,METAL GLAZED(CHIP) 100K OHM 1 / 10 W 2012 5.00% D R823 79096356 0RH2201D622 RESISTOR,METAL GLAZED(CHIP) 2.2K OHM 1 / 10 W 2012 5.00% D R824 79096346...
  • Page 138 AL LOCA. NO. PART NO. DESCRIPTION SPECIFICATION REMARKS X502 AF000082 6212AC2327E RESONATOR,CRYSTAL C-001R SEIKO EPSON 32.768 KHZ X751 79096507 529-021Q RESONATOR,CRYSTAL 49U BUBANG 18432000HZ 30PPM 16 X751 AF000081 6212AA2184F RESONATOR,CRYSTAL HC-49U KYUNGIL 18.432MHZ +/- 3 ALTERNATE *** PWB(PCB) ASSEMBLY , TOTAL POWER *** AF000098 6871R-7211K PWB(PCB) ASSEMBLY,TOTAL...
  • Page 139 AL LOCA. NO. PART NO. DESCRIPTION SPECIFICATION REMARKS Q161 79097532 0TR126809BA TRANSISTOR,BIPOLARS KTA1268-BL TP KEC Q162 79096377 0TR534309BA TRANSISTOR 2SC5343-L TP AUK TO92 R100 79093009 0RD1504H632 RESISTOR,FIXED CARBON FILM 1.5M OHM 1/2 W 5.00% MF10 R101 79093056 614-007A RESISTOR 2.7/2W CEMENT SMPS V R104 79093055 0RS5602K619...
  • Page 140 AL LOCA. NO. PART NO. DESCRIPTION SPECIFICATION REMARKS SW601 79097338 556-219B SWITCH,TACT THVV502GAA POSTECH DC 12 V 5- SW602 79097338 556-219B SWITCH,TACT THVV502GAA POSTECH DC 12 V 5- SW603 79097338 556-219B SWITCH,TACT THVV502GAA POSTECH DC 12 V 5- SW604 79097338 556-219B SWITCH,TACT THVV502GAA POSTECH DC 12 V 5-...
  • Page 141 AL LOCA. NO. PART NO. DESCRIPTION SPECIFICATION REMARKS 79096415 4408R-0004A REEL AF000043 4261R-0019C ARM ASSEMBLY DECK/MECHA PINCH AF000044 4261R-0019D ARM ASSEMBLY DECK/MECHA PINCH ALTERNATE AF000042 4261R-0019B ARM ASSEMBLY PINCH ALTERNATE 79096410 4261R-0019A ARM ASSEMBLY DECK/MECHA PINCH ALTERNATE 79096432 4510R-0043A LEVER T/UP 79096444 4970R-0123A...
  • Page 142 6-18...
  • Page 143 COMBI ACC WITH BOX (FOR I AND 79096620 6850R-SUA2A CABLE,COAXIAL 1200M/M SCART-SCART DOUBLE SHI *** REMOTE CONTROLLER AF000092 6711R2N080E REMOTE CONTROLLER ASSEMBLY TOSHIBA VB602NPK NA3GTTC W/O S *** PANEL ASSEMBLY , FRONT *** AF000031 3721R-F324H PANEL ASSEMBLY,FRONT[NORMAL PA VB602NSK NA3FTTC(23VB) AF000028 3720R-F707H PANEL,FRONT...
  • Page 144 S AL LOCA. NO. PART NO. DESCRIPTION SPECIFICATION REMARKS 024A 79096508 5006R-0044A SKEW-T DP7C 024B 79096509 5006R-0043A SKEW DP7C 79096518 4470R-0130A GEAR MIDDLE DP7C 79096530 3390R-0014A TRAY DISK 79096520 4370R-0082B SHAFT DECK/MECHA PU R DP-7C OTHER AF000049 4370R-0082A SHAFT PU DP-7C 79096517 4471R-0013C GEAR ASSEMBLY...
  • Page 145 IC,LINEAR MT1336E MEDIATEK INCORPORATION IC202 79096576 0IPRPSA010A IC,PERIPHERALS LA6560-A-TE-L SANYO HSOP-36R R IC3F1A AF000102 6957R-619AB PROGRAM VB602CSK NA3FTTC TOSHIBA ESFGI IC401 79098755 0IPRPCI003B IC,PERIPHERALS CS4391-KZR CIRRUS LOGIC 20 TSS IC402 79098737 0IJR458000B IC,JRC NJM4580M 8,DMP8 TP OP AMP 2K/R L201...
  • Page 146 S AL LOCA. NO. PART NO. DESCRIPTION SPECIFICATION REMARKS L231 79091005 6200HJC102A FILTER(CIRC),EMC HB-1M2012-102JT CERATECH TP L251 79091005 6200HJC102A FILTER(CIRC),EMC HB-1M2012-102JT CERATECH TP L261 79091005 6200HJC102A FILTER(CIRC),EMC HB-1M2012-102JT CERATECH TP L262 79091005 6200HJC102A FILTER(CIRC),EMC HB-1M2012-102JT CERATECH TP L264 79091005 6200HJC102A FILTER(CIRC),EMC HB-1M2012-102JT CERATECH TP L265...
  • Page 147 S AL LOCA. NO. PART NO. DESCRIPTION SPECIFICATION REMARKS R403 79093020 0RH0000C622 RESISTOR,METAL GLAZED(CHIP) 0 OHM 1 / 16 W 1608 5.00% D R404 79093020 0RH0000C622 RESISTOR,METAL GLAZED(CHIP) 0 OHM 1 / 16 W 1608 5.00% D R405 79093020 0RH0000C622 RESISTOR,METAL GLAZED(CHIP) 0 OHM 1 / 16 W 1608 5.00% D R407...
  • Page 148 S AL LOCA. NO. PART NO. DESCRIPTION SPECIFICATION REMARKS C310 79096613 0CH1103K416 CAPACITOR,FIXED CERAMIC(Temp.c 0.01UF 50V 5% B(5YP) 2012 R/TP C311 79096278 0CE4765K618 CAPACITOR,AL.ELECTROLYTIC 47UF SR,SV 50V M FL TP 5 C312 79096613 0CH1103K416 CAPACITOR,FIXED CERAMIC(Temp.c 0.01UF 50V 5% B(5YP) 2012 R/TP C313 79096304 0CQ2232L559...
  • Page 149 S AL LOCA. NO. PART NO. DESCRIPTION SPECIFICATION REMARKS C508 79096283 0CH1104K946 CAPACITOR,FIXED CERAMIC(TEMP.C 0.1UF 2012 50V 80%,-20% Y5V(F) C509 AF000003 0CH4220K406 CHIP CAPA CERAMIC M/L T.C F/S 22P 50V J SL 2.0X1.2 R/TP C511 79096283 0CH1104K946 CAPACITOR,FIXED CERAMIC(TEMP.C 0.1UF 2012 50V 80%,-20% Y5V(F) C512 79096280 0CH1102K516...
  • Page 150 S AL LOCA. NO. PART NO. DESCRIPTION SPECIFICATION REMARKS C726 79096281 0CH1103K516 CHIP CAPA CERAMIC M/L H.D F/S 0.01U 50V K B 2.0X1.25 R/TP C727 79096276 0CE4764C638 CAPACITOR,ELECTROLYTIC 47M SRA 6.3V M FM5 TP(5) C728 79096281 0CH1103K516 CHIP CAPA CERAMIC M/L H.D F/S 0.01U 50V K B 2.0X1.25 R/TP C729 79096272...
  • Page 151 S AL LOCA. NO. PART NO. DESCRIPTION SPECIFICATION REMARKS C912 79096280 0CH1102K516 CHIP CAPA CERAMIC M/L H.D F/S 1000P 50V K B 2.0X1.25 R/TP C915 79096280 0CH1102K516 CHIP CAPA CERAMIC M/L H.D F/S 1000P 50V K B 2.0X1.25 R/TP C916 79096280 0CH1102K516 CHIP CAPA CERAMIC M/L H.D F/S...
  • Page 152 S AL LOCA. NO. PART NO. DESCRIPTION SPECIFICATION REMARKS L801 79098758 0LR1000K035 INDUCTOR RADIAL LEAD 100M K 6X6 L5 TP L803 79098758 0LR1000K035 INDUCTOR RADIAL LEAD 100M K 6X6 L5 TP L804 79098758 0LR1000K035 INDUCTOR RADIAL LEAD 100M K 6X6 L5 TP L805 79098758...
  • Page 153 S AL LOCA. NO. PART NO. DESCRIPTION SPECIFICATION REMARKS R324 79096555 0RH3303D622 RESISTOR,METAL GLAZED(CHIP) 330K OHM 1 / 10 W 2012 5.00% D R325 79096364 0RH4700D622 RESISTOR,METAL GLAZED(CHIP) 470 OHM 1 / 10 W 2012 5.00% D R326 79096349 0RH1202D622 RESISTOR,METAL GLAZED(CHIP) 12K OHM 1 / 10 W 2012 5.00% D R327...
  • Page 154 S AL LOCA. NO. PART NO. DESCRIPTION SPECIFICATION REMARKS R550 79096355 0RH2200D622 RESISTOR,METAL GLAZED(CHIP) 220 OHM 1 / 10 W 2012 5.00% D R553 79096355 0RH2200D622 RESISTOR,METAL GLAZED(CHIP) 220 OHM 1 / 10 W 2012 5.00% D R554 79096556 0RH3300D622 RESISTOR,METAL GLAZED(CHIP) 330 OHM 1 / 10 W 2012 5.00% D R555...
  • Page 155 S AL LOCA. NO. PART NO. DESCRIPTION SPECIFICATION REMARKS R7V7 79096365 0RH4701D622 RESISTOR,METAL GLAZED(CHIP) 4.7K OHM 1 / 10 W 2012 5.00% D R7V8 79096212 0RH1000D622 RESISTOR,METAL GLAZED(CHIP) 100 OHM 1 / 10 W 2012 5.00% D R7V9 79096212 0RH1000D622 RESISTOR,METAL GLAZED(CHIP) 100 OHM 1 / 10 W 2012 5.00% D R801...
  • Page 156 S AL LOCA. NO. PART NO. DESCRIPTION SPECIFICATION REMARKS RS501 AF000084 6500RAB007A SENSOR GP1S566V SHARP REEL SENSOR OF ALTERNATE RS502 79096465 6500RAB003A SENSOR SG-260 KODENSHI D33 REEL SENSO RS502 AF000084 6500RAB007A SENSOR GP1S566V SHARP REEL SENSOR OF ALTERNATE SC901 79096623 6620RM0002J JACK,SCART DSAM-0121 DOOWON 2F-21P(BL-BK)
  • Page 157 S AL LOCA. NO. PART NO. DESCRIPTION SPECIFICATION REMARKS D118 79096590 0DR104510AA DIODE,RECTIFIERS B10A45V1 BK KEC TO220 45V 10A D121 79096305 0DD133009AA DIODE,SWITCHING 1SS133 DETECT,SW TP F101 79096588 0FS1601B51D FUSE,SLOW BLOW 1600MA 250 V 5.2X20 CY/GL KS/J F101 79097339 585-011T FUSE,SLOW BLOW 1600MA 250 V 5.2X20 CY/GL SEMK ALTERNATE...
  • Page 158 S AL LOCA. NO. PART NO. DESCRIPTION SPECIFICATION REMARKS R602 79093004 0RD1001F608 RESISTOR,FIXED CARBON FILM 1K OHM 1/6 W 5% TA26 R603 79093004 0RD1001F608 RESISTOR,FIXED CARBON FILM 1K OHM 1/6 W 5% TA26 R604 79096341 0RD5602F608 RESISTOR,FIXED CARBON FILM 56K OHM 1/6 W 5% TA26 R605 79093014 0RD3300F608...
  • Page 159 S AL LOCA. NO. PART NO. DESCRIPTION SPECIFICATION REMARKS 79096538 3041R-0038A BASE ASSY 79096537 3041R-0039A BASE ASSY 79096506 5870R-0005A OPENER LID(D35) 79096540 3041R-0036A BASE ASSEMBLY A/C HEAD (ALPS) 79096519 4408R-0003A REEL 79096510 4970R-0140A SPRING COIL RS D35 79096418 4421R-0008A BRAKE ASSEMBLY 79096446 4970R-0128A SPRING...
  • Page 160 S AL LOCA. NO. PART NO. DESCRIPTION SPECIFICATION REMARKS 79096385 1WZZR-0004A WASHER STOPPER 6-36...
  • Page 161 AAAM(R03) SEOTONG 1-5 V - 1PA AF000097 6851RP0003A CABLE ASSY,RF CABLE ASSY,RF/SCART/RCA USING *** REMOTE CONTROLLER AF000092 6711R2N080E REMOTE CONTROLLER ASSEMBLY TOSHIBA VB602NPK NA3GTTC W/O S *** PANEL ASSEMBLY , FRONT *** AF000032 3721R-F324J PANEL ASSEMBLY,FRONT[NORMAL PA VB602NPK NA3GTTC(23VL) AF000029 3720R-F707J PAN,VIDEO...
  • Page 162 S AL LOCA. NO. PART NO. DESCRIPTION SPECIFICATION REMARKS 024B 79096509 5006R-0043A SKEW DP7C 79096518 4470R-0130A GEAR MIDDLE DP7C 79096530 3390R-0014A TRAY DISK 79096520 4370R-0082B SHAFT DECK/MECHA PU R DP-7C OTHER AF000049 4370R-0082A SHAFT PU DP-7C 79096517 4471R-0013C GEAR ASSEMBLY DECK/MECHA RACK DP-7C(7A) DI 79096646 6716DPH005A...
  • Page 163 IC,LINEAR MT1336E MEDIATEK INCORPORATION IC202 79096576 0IPRPSA010A IC,PERIPHERALS LA6560-A-TE-L SANYO HSOP-36R R IC3F1A AF000102 6957R-619AB PROGRAM VB602CSK NA3FTTC TOSHIBA ESFGI IC401 79098755 0IPRPCI003B IC,PERIPHERALS CS4391-KZR CIRRUS LOGIC 20 TSS IC402 79098737 0IJR458000B IC,JRC NJM4580M 8,DMP8 TP OP AMP 2K/R L201...
  • Page 164 S AL LOCA. NO. PART NO. DESCRIPTION SPECIFICATION REMARKS L251 79091005 6200HJC102A FILTER(CIRC),EMC HB-1M2012-102JT CERATECH TP L261 79091005 6200HJC102A FILTER(CIRC),EMC HB-1M2012-102JT CERATECH TP L262 79091005 6200HJC102A FILTER(CIRC),EMC HB-1M2012-102JT CERATECH TP L264 79091005 6200HJC102A FILTER(CIRC),EMC HB-1M2012-102JT CERATECH TP L265 79091005 6200HJC102A FILTER(CIRC),EMC HB-1M2012-102JT CERATECH TP L401...
  • Page 165 S AL LOCA. NO. PART NO. DESCRIPTION SPECIFICATION REMARKS R404 79093020 0RH0000C622 RESISTOR,METAL GLAZED(CHIP) 0 OHM 1 / 16 W 1608 5.00% D R405 79093020 0RH0000C622 RESISTOR,METAL GLAZED(CHIP) 0 OHM 1 / 16 W 1608 5.00% D R407 79093047 0RH5601C622 RESISTOR,METAL GLAZED(CHIP) 5.6K OHM 1 / 16 W 1608 5.00% D R408...
  • Page 166 S AL LOCA. NO. PART NO. DESCRIPTION SPECIFICATION REMARKS C328 79096613 0CH1103K416 CAPACITOR,FIXED CERAMIC(Temp.c 0.01UF 50V 5% B(5YP) 2012 R/TP C329 79096613 0CH1103K416 CAPACITOR,FIXED CERAMIC(Temp.c 0.01UF 50V 5% B(5YP) 2012 R/TP C330 79096283 0CH1104K946 CAPACITOR,FIXED CERAMIC(TEMP.C 0.1UF 2012 50V 80%,-20% Y5V(F) C331 79097106 0CE2264F638...
  • Page 167 S AL LOCA. NO. PART NO. DESCRIPTION SPECIFICATION REMARKS C534 79096275 0CE4754K638 CAPACITOR,FIXED ELECTROLYTIC 4.7UF SRA,SS 50V 20% FM5 TP 5 C535 79096284 0CH1105F946 CAPACITOR,CHIP[CERAMIC M/L HD 1UF 16V Z Y5V(F) 2012 R/TP C543 79096285 0CH1222K516 CHIP CAPA CERAMIC M/L H.D F/S 2200P 50V K B 2.0X1.25 R/TP C544 79096607...
  • Page 168 S AL LOCA. NO. PART NO. DESCRIPTION SPECIFICATION REMARKS C7V5 79096607 0CH1473K946 CHIP CAPA CERAMIC M/L H.D F/S 0.047UF 50V Z Y5V(F) 2012 R/TP C802 79096283 0CH1104K946 CAPACITOR,FIXED CERAMIC(TEMP.C 0.1UF 2012 50V 80%,-20% Y5V(F) C803 79096283 0CH1104K946 CAPACITOR,FIXED CERAMIC(TEMP.C 0.1UF 2012 50V 80%,-20% Y5V(F) C804 79096283 0CH1104K946...
  • Page 169 S AL LOCA. NO. PART NO. DESCRIPTION SPECIFICATION REMARKS D902 79096305 0DD133009AA DIODE,SWITCHING 1SS133 DETECT,SW TP ES501 79096443 4931R-0050C HOLDER ASSEMBLY END (DI) ES502 79096443 4931R-0050C HOLDER ASSEMBLY END (DI) F8A1 79091006 6200HJC901A FILTER(CIRC),EMC CFI06B1H101MF SAMHWA TP 2-5K FL301 79096463 633-032K COIL,IFT BIAC OSC,1CHIP 5V(KS-75M) KWAN...
  • Page 170 S AL LOCA. NO. PART NO. DESCRIPTION SPECIFICATION REMARKS Q173 79095008 0TR387509AC TRANSISTOR CHIP KTC3875S-GR-T1(ALG) KEC Q301 79095008 0TR387509AC TRANSISTOR CHIP KTC3875S-GR-T1(ALG) KEC Q302 79095005 0TR150409AC TRANSISTOR KTA1504-GR-T1(ASG) CHIP KEC Q303 79095008 0TR387509AC TRANSISTOR CHIP KTC3875S-GR-T1(ALG) KEC Q304 79095008 0TR387509AC TRANSISTOR CHIP KTC3875S-GR-T1(ALG) KEC Q305...
  • Page 171 S AL LOCA. NO. PART NO. DESCRIPTION SPECIFICATION REMARKS R343 79096556 0RH3300D622 RESISTOR,METAL GLAZED(CHIP) 330 OHM 1 / 10 W 2012 5.00% D R344 79096364 0RH4700D622 RESISTOR,METAL GLAZED(CHIP) 470 OHM 1 / 10 W 2012 5.00% D R345 79096364 0RH4700D622 RESISTOR,METAL GLAZED(CHIP) 470 OHM 1 / 10 W 2012 5.00% D R346...
  • Page 172 S AL LOCA. NO. PART NO. DESCRIPTION SPECIFICATION REMARKS R576 79096365 0RH4701D622 RESISTOR,METAL GLAZED(CHIP) 4.7K OHM 1 / 10 W 2012 5.00% D R577 79096365 0RH4701D622 RESISTOR,METAL GLAZED(CHIP) 4.7K OHM 1 / 10 W 2012 5.00% D R578 79096365 0RH4701D622 RESISTOR,METAL GLAZED(CHIP) 4.7K OHM 1 / 10 W 2012 5.00% D R579...
  • Page 173 S AL LOCA. NO. PART NO. DESCRIPTION SPECIFICATION REMARKS R822 79096346 0RH1003D622 RESISTOR,METAL GLAZED(CHIP) 100K OHM 1 / 10 W 2012 5.00% D R823 79096356 0RH2201D622 RESISTOR,METAL GLAZED(CHIP) 2.2K OHM 1 / 10 W 2012 5.00% D R824 79096346 0RH1003D622 RESISTOR,METAL GLAZED(CHIP) 100K OHM 1 / 10 W 2012 5.00% D R825...
  • Page 174 S AL LOCA. NO. PART NO. DESCRIPTION SPECIFICATION REMARKS X751 79096507 529-021Q RESONATOR,CRYSTAL 49U BUBANG 18432000HZ 30PPM 16 X751 AF000081 6212AA2184F RESONATOR,CRYSTAL HC-49U KYUNGIL 18.432MHZ +/- 3 ALTERNATE *** PWB(PCB) ASSEMBLY , TOTAL POWER *** AF000098 6871R-7211K PWB(PCB) ASSEMBLY,TOTAL 2003 COMBI PAL DI, MTK X120 FL BD01 79091008 636-004C...
  • Page 175 S AL LOCA. NO. PART NO. DESCRIPTION SPECIFICATION REMARKS Q162 79096377 0TR534309BA TRANSISTOR 2SC5343-L TP AUK TO92 R100 79093009 0RD1504H632 RESISTOR,FIXED CARBON FILM 1.5M OHM 1/2 W 5.00% MF10 R101 79093056 614-007A RESISTOR 2.7/2W CEMENT SMPS V R104 79093055 0RS5602K619 RESISTOR,FIXED METAL OXIDE FIL 56K OHM 2 W 5.00% TR R105...
  • Page 176 S AL LOCA. NO. PART NO. DESCRIPTION SPECIFICATION REMARKS SW602 79097338 556-219B SWITCH,TACT THVV502GAA POSTECH DC 12 V 5- SW603 79097338 556-219B SWITCH,TACT THVV502GAA POSTECH DC 12 V 5- SW604 79097338 556-219B SWITCH,TACT THVV502GAA POSTECH DC 12 V 5- SW605 79097338 556-219B SWITCH,TACT...
  • Page 177 S AL LOCA. NO. PART NO. DESCRIPTION SPECIFICATION REMARKS AF000043 4261R-0019C ARM ASSEMBLY DECK/MECHA PINCH AF000044 4261R-0019D ARM ASSEMBLY DECK/MECHA PINCH ALTERNATE AF000042 4261R-0019B ARM ASSEMBLY PINCH ALTERNATE 79096410 4261R-0019A ARM ASSEMBLY DECK/MECHA PINCH ALTERNATE 79096432 4510R-0043A LEVER T/UP 79096444 4970R-0123A SPRING COIL TENSION(D35)
  • Page 178 6-54...
  • Page 180 FILE NO. 810-200315X SERVICE MANUAL Hi-Fi DVD VIDEO PLAYER & VIDEO CASSETTE RECORDER SD-23VB SD-23VE SD-23VL MAY, 2003...
  • Page 181 (R157, Q150, R158, R159, D121, C155) IC103 (BK) (WH) HOT CIRCUIT PWR CTL FROM µ-COM BLOCK PWR CTL 'H' (Q162,R163,R164, R171,C161) FROM µ-COM TIMER 'H' NOTES : Symbol denotes AC ground. COMBI SCART Symbol denotes DC chassis ground. TOSHIBA 3-20 3-21...
  • Page 182 2. Tu/IF, NICAM & A2 BLOCK DIAGRAM 3. VPS BLOCK DIAGRAM COMBI SCART TOSHIBA 3-22 3-23...
  • Page 183 4. Y/C BLOCK DIAGRAM (PB MODE) (REC MODE) COMBI SCART TOSHIBA 3-24 3-25...
  • Page 184 A.OUT 'R' IC801 EU1 A.IN 'L' EU1 A.IN 'R' EU2 A.IN 'L' EU2 A.IN 'R' AV2 A.IN 'L' AV2 A.IN 'R' NORMAL AUDIO OUT(To AVCP) MODULATOR A.OUT (To Tu) NORMAL AUDIO IN(From AVCP) AUDIO INPUT BLOCK COMBI SCART TOSHIBA 3-26 3-27...
  • Page 185 6. SYSTEM BLOCK DIAGRAM LD(+) LD(-) OTPB LED 'H' IC501 CANAL DET 'H' HD6432197A L/M CONTROL R525, R526 R/C IN(2W) CST SW 2fsc R524, R514, R518, R516, R589, C577, C576, L501, Q504 COMBI SCART TOSHIBA 3-28 3-29...
  • Page 186 2. Voltages are DC-measured with a digital voltmeter MODIFIED OR ALTERED WITHOUT PERMISSION IMPLEMENTATION OF THE LATEST SAFETY AND during Play mode. FROM THE TOSHIBA ELECTRONICS CORPORATION. PERFORMANCE IMPROVEMENT CHANGES INTO ALL COMPONENTS SHOULD BE REPLACED ONLY THE SET IS NOT DELAYED UNTIL THE NEW SERVICE WITH TYPES IDENTICAL TO THOSE IN THE ORIGI- LITERATURE IS PRINTED.
  • Page 187 2. TU/IF, NICAM & A2 CIRCUIT DIAGRAM TOSHIBA EE MODE(VIDEO) TU MODE (AUDIO) 3-32 3-33...
  • Page 188 PB COLOR Signal disappear. Q302, Q303, Q314 are defective. No mono Audio Signal FL301, Q301, Q306 are defective. in PB MODE. Normal Audio signal is not recorded. TOSHIBA PB Y+C REC Y+C REC AUDIO PB Y REC Y PB AUDIO(MONO)
  • Page 189 4. Hi-Fi CIRCUIT DIAGRAM IC801 Pins42, 43 aredefective. All Audio is not appear. 44 Pin is defective. Hi-Fi Audio is not appear. TOSHIBA 3-36 3-37...
  • Page 190 5. SCART(JACK) CIRCUIT DIAGRAM TOSHIBA 3-38 3-39...
  • Page 191 6. SYSTEM CIRCUIT DIAGRAM Reset is defective. Set dead. IC504 is defective. CLOCK SETTING will not operate. X501 is defective. µ-COM will not operate. X502 is defective. VCR will not operate. IC505 is defective. Deck will not operate. R575, R576, R577, R578 are defective.
  • Page 192 7. TIMER CIRCUIT DIAGRAM 3-42 3-43...
  • Page 193 WAVEFORMS _ C301 Wave orm _ C501 Wave orm @ @ @ @ @ @ @ @ @ @ h e ? @ @ ? h e ? @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ h e ? @ @ ? h e ? @ ( M e ? I ' @ @ @ e @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ g ? @ @ @ @ @ @ @ h e W 2 @ 6 X ? f W 2 @ 6 X ? e ? @ @ @ f ? @ @ @ e ? W 2 @ @ @ 6 X g ? @ @ ? @ @ f ? W 2 @ @ 6 X ? e ? @ @ ? ? W 2 @ g ? @ H ? W 2 6 K V @ @ 5 e @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ g ? @ @ @ @ @ @ @ h ? W &...
  • Page 194 • CIRCUIT VOLTAGE CHART MODE MODE MODE MODE MODE MODE MODE PIN NO. PIN NO. PIN NO. PIN NO. PIN NO. PIN NO. PIN NO. I C 2 0 1 4.85 V 4.85 V 4.75 V 1.73 V 1.67 V 2.51 V 1.86 V 0.004 V...
  • Page 195 MODE PIN NO. 5.6 V 5.58 V 5.59 V Q301 COLECTOR 0.02 V 0.01~4.8V 0.011 V 5.6 V 5.58 V 5.59 V BASE 0.01 V 0.013 V 0.79 V Q7S1 EMITER 0.003 V 0.004 V 0.005 V BASE 0.007 V 0.007 V 0.008 V 5.54 V...
  • Page 196 PRINTED CIRCUIT DIAGRAMS 1. MAIN P.C.BOARD LOCATION GUIDE 3-50 3-51...
  • Page 197 2. SMPS P.C.BOARD 3. KEY P.C.BOARD NOTES) Warning NOTES) Parts that are shaded are critical NOTES) With respect to risk of fire or LOCATION GUIDE NOTES) electricial shock. 4. TIMER P.C.BOARD 3-52 3-53...
  • Page 199 BLOCK DIAGRAMS 1. Overall Block Diagram MA11,BA1 DQM[2:3] MUTE DQ[16:31] ASPDIF Y[1:6] CVBS ASPECT DQM[0:1] DQ[00:15] URST F+,F-,T+,T- SP+,SP- SL+,SL- LOAD+,LOAD- DECK MECHANISM COMBI SCART TOSHIBA 3-75...
  • Page 200 2. SERVO Block Diagram COMBI SCART TOSHIBA 3-76...
  • Page 201 3. MPEG & MEMORY Block Diagram COMBI SCART TOSHIBA 3-77...
  • Page 202 4. VIDEO & AUDIO Block Diagram COMBI SCART TOSHIBA 3-78...
  • Page 204 CIRCUIT DIAGRAMS 1. SYSTEM CIRCUIT DIAGRAM No Power on Video signal not appeared System not working or screen is abnormal Program download fail COMBI SCART MTK Digitron all not display Video signal Y '03. 3. 25 SR17444A System not working Video signal Color 3-79 3-80...
  • Page 205 2. RF & DSP SERVO CIRCUIT DIAGRAM CD/DVD LD will not on COMBI SCART MTK '03. 3. 25 SR17445A 3-81 3-82...
  • Page 206 3. AUDIO CIRCUIT DIAGRAM COMBI SCART MTK '03. 3. 25 SR17447A 3-83 3-84...
  • Page 207 4. AV/JACK CIRCUIT DIAGRAM COMBI SCART MTK '03. 3. 25 SR17446A 3-85 3-86...
  • Page 208 • CIRCUIT VOLTAGE CHART IC201 IC202 IC501 IC502 IC505 IC510 IC5A1 IC401 IC402 IC5C1 IC201 IC202 IC501 IC502 IC505 IC510 IC5A1 IC401 IC402 IC5C1 (MT1336E) (MOTOR) (MT1379) (SDRAM) (EEPROM) (BUFFER) (FLASH) (CS4391) (AMP) (MM1623XFBE) (MT1336E) (MOTOR) (MT1379) (SDRAM) (EEPROM) (BUFFER) (FLASH) (CS4391) (AMP)
  • Page 209 Q201 Q202 Q203 Q204 IC201 IC202 IC501 IC502 IC505 IC510 IC5A1 IC401 IC402 IC5C1 (MT1336E) (MOTOR) (MT1379) (SDRAM) (EEPROM) (BUFFER) (FLASH) (CS4391) (AMP) (MM1623XFBE) STOP PLAY STOP PLAY STOP PLAY STOP PLAY PIN STOP PLAY STOP PLAY STOP PLAY STOP PLAY STOP PLAY STOP PLAY STOP PLAY STOP PLAY STOP PLAY STOP PLAY 5.14 4.34...
  • Page 210 PRINTED CIRCUIT DIAGRAMS 1. MAIN P.C.BOARD LOCATION GUIDE 3-91 3-92...

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