Toshiba SD-4900 инструкция обслуживания

SER VICE MANUAL DVD VIDEO PLA YER FILE NO. 810-200327 DOCUMENT CREATED IN JAPAN, Jul., 2003 SD-4900[...]

1-1 1-1 SECTION 1 SUMMAR Y CONTENTS OWNER’S MANUAL(SD-4900) ............................................................................................... 1-2 PRODUCT SAFETY SERVICING GUIDELINES FOR VIDEO PRODUCTS ........... 1-36 SERVICING PRECAUTIONS ..............................................................................................[...]

1-2 DVD PLA YER OWNER ’ S MANUAL MODEL : SD-4900 Before connecting, operating or adjusting this product, please read this instruction booklet carefully and completely .[...]

1-3 Safety Precautions This lightning flash with arrowhead symbol within an equilateral triangle is intended to alert the user to the presence of uninsulated dangerous voltage within the product’s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons. The exclamation point within an equilateral triangle i[...]

1-4 INTRODUCTION IMPORT ANT SAFETY INSTRUCTIONS CAUTION: PLEASE READ AND OBSERVE ALL W ARNINGS AND INSTRUCTIONS IN THIS OWNER ’ S MANUAL AND THOSE MARKED ON THE UNIT . RET AIN 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. The saf[...]

1-5 T able of Contents Introduction Safety Precautions . . . . . . . . . . . . . . . . . . . . . . . . . 2 IMPORT ANT SAFETY INSTRUCTIONS . . . . . . . . . . 3 T able of Contents . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Before Use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-6 Playable Discs . . . . . . . . . . . . . .[...]

1-6 INTRODUCTION Before Use Playable Discs DVD video discs (8 cm / 12 cm disc) DVD audio discs (8 cm / 12 cm disc) Video CD (VCD) (8 cm / 12 cm disc) Audio CD (8 cm / 12 cm disc) In addition, this unit can play a DVD-R, and CD-R or CD-RW that contains audio titles, MP3, WMA or JPEG files. Notes – Depending on the conditions of the recording equip[...]

1-7 Before Use (Continued) Precautions Handling the unit When shipping the unit The original shipping carton and packing materials come in handy . For maximum protection, re-pack the unit as it was originally packed at the factory . When setting up the unit The picture and sound of a nearby TV , VCR, or radio may be distorted during playback. In th[...]

1-8 INTRODUCTION Front Panel and Display Window Forward SKIP ( ) Go to NEXT chapter/track. Press and hold for two seconds for a fast forward search. Reverse SKIP ( ) Go to the beginning of the current chapter/track or press twice in quick successions to go to PREVIOUS chapter/track. Press and hold for two seconds for a fast reverse search. STOP ( )[...]

1-9 Remote Control Remote control battery installation Detach the battery cover on the rear of the remote control, and insert two R03 (size AAA) batteries with and aligned correctly . Caution Do not mix old and new batteries. Never mix different types of batteries (standard, alkaline, etc.). Remote Control Operation Range Point the remote control a[...]

1-10 INTRODUCTION Rear Panel Do not touch the inner pins of the jacks on the rear panel. Electrostatic discharge may cause permanent damage to the unit. COAXIAL (Digital audio out jack) Connect to digital (coaxial) audio equipment. OPTICAL (Digital audio out jack) Connect to digital (optical) audio equipment. AUDIO OUT (Left/Right) Connect to an am[...]

1-11 Connections Tips z z Depending on your TV and other equipment you wish to connect, there are various ways you could connect the player . Use only one of the connections described below . z z Please refer to the manuals of your TV , VCR, Stereo System or other devices as necessary to make the best connections. z z For better sound reproduction,[...]

1-12 PREP ARA TION Connections (Continued) Connecting to Optional Equipment Connecting to an amplifier equipped with two channel analog stereo or Dolby Pro Logic ll/ Pro Logic Connect the Left and Right AUDIO OUT jacks on the DVD Player to the audio left and right in jacks on your amplifier , receiver , or stereo system, using the audio cables (A) [...]

1-13 Before Operation General Explanation This manual gives basic instructions for operating the DVD Player . Some DVDs require specific operation or allow only limited operation during playback. When this occurs, the symbol appears on the TV screen, indi- cating that the operation is not permitted by the DVD Player or is not available on the disc.[...]

1-14 Before Operation (Continued) PREP ARA TION Items T rack Number T ime Audio Channel Sound Function (Press / to select desired item) Shows the current track number , total number of tracks and PBC On mode, and skip to the desired track number . Shows the elapsed playing time (Display only) Shows the audio channel, and changes the audio channel. [...]

1-15 Before Operation (Continued) Initial Settings Y ou can set your own Personal Preferences on the player . Initial Settings General Operation 1 1 Press SETUP . The setup menu appears. 2 2 Press / to select the desired item. The screen will show the current setting for the selected item, as well as alternate setting(s). 3 3 While the desired item[...]

1-16 Sound Digital Audio Output Each DVD disc has a variety of audio output options. Set the player ’ s Digital Audio Output according to the type of audio system you use. DOLBY DIGIT AL/PCM: Select “ DOLBY DIGIT AL/PCM ” if you connected the DVD Player ’ s DIGIT AL OUT jack to a Dolby Digital decoder (or an amplifier or other equip- ment w[...]

1-17 Others The DRC, V ocal, PBC, Auto Play , B.L.E., Pluge and DNR settings can be changed. z Press / to select the desired item and press ENTER. The setting of the selected item is changed between On and Off. Dynamic Range Control (DRC) With the DVD format, you can hear a program ’ s sound- track in the most accurate and realistic presentation [...]

1-18 PREP ARA TION Before Operation (Continued) Parental Control Rating Movies on DVDs may contain scenes not suitable for children. Therefore, discs may contain Parental Control information that applies to the complete disc or to certain scenes on the disc. These scenes are rated from 1 to 8, and alternatively , more suitable scenes are available [...]

1-19 Operation with DVD and Video CD Playing a DVD and V ideo CD Playback Setup z T urn on the TV and select the video input source con- nected to the DVD player . z Audio system: T urn on the audio system and select the input source connected to the DVD player . 1 1 Press OPEN/CLOSE to open the disc tray . 2 2 Load your chosen disc in the tray , w[...]

1-20 OPERA TION Operation with DVD and V ideo CD General Features (continued) Still Picture and Frame-by-frame playback 1 Press P AUSE/STEP during playback. The player will now go into P AUSE mode. 2 Y ou can advance the picture frame-by-frame by pressing P AUSE/STEP repeatedly on the remote con- trol. Note When using a DVD audio disc that includes[...]

1-21 Operation with DVD and Video CD General Features (continued) Selecting the sound enhancement Press E.A.M. to select the sound enhancement during playback. NORM. : Normal sound 3D SUR: This player can produce a 3D Surround ef fect, which simulates multi-channel audio playback from two conventional stereo speakers, instead of the five or more sp[...]

1-22 OPERA TION Operation with DVD and V ideo CD DVD Audio Discs DVD Audio is a new disc format building on the success of DVD to provide high quality , uncompressed, multi- channel audio for a new experience in audio quality . A DVD Audio disc can be identified by the DVD audio logo on the disc jacket or on the disc itself. DVD Audio can provide h[...]

1-23 Operation with Audio CD and MP3/WMA Disc Playing an Audio CD and MP3/WMA Disc The DVD Player can play MP3/WMA formatted record- ings on CD-ROM, CD-R or CD-RW discs. Before playing MP3/WMA recordings, read the notes on MP3/WMA Recordings on right. 1 1 Insert a disc and close the tray . Audio CD; Audio CD menu appears on the TV screen go to step[...]

1-24 OPERA TION Operation with Audio CD and MP3/WMA Disc (Continued) Pause 1 Press P AUSE/STEP during playback. 2 T o return to playback, press PLA Y or press P AUSE/STEP again. Moving to another T rack z z Press SKIP or briefly during playback to go to the next track or to return to the beginning of the current track. z z Press SKIP twice in quick[...]

1-25 Viewing a JPEG disc This DVD Player can play discs with JPEG files. Before playing JPEG recordings, read the notes on JPEG Recordings on right. 1 Insert a disc and close the tray . The MP3/WMA-JPEG choice menu appears on the TV screen. 2 2 Press / to select the JPEG then press ENTER. The JPEG menu appears on the TV screen. 3 Press / to select [...]

1-26 OPERA TION Programmed Playback WMA MP3 VCD1.1 VCD2.0 CD Programmed Playback with Audio CD and MP3/WMA Disc The Program function enables you to store your favorite tracks from any disc in the player memory . Program can contain 30 tracks. 1 1 Press PROGRAM during playback or in the stop mode to enter the Program Edit mode. The mark will appear [...]

1-27 Additional Information Screen Saver The screen saver picture appears when you leave the DVD Player in stop mode for about five minutes. After the Screen Saver has been engaged for about five minutes, the DVD Player will automatically turn itself off. Dimmer Function Y ou can adjust the Display Window ’ s brightness in 3 steps. Each press of [...]

1-28 OPERA TION Speaker Settings Make the following settings for the built-in 5.1 channel surround decoder . 1 1 Select “ 5.1 Speaker Setup ” using the 3 3 / 4 4 but- tons on the setup menu. 2 2 While “ 5.1 Speaker Setup ” is selected, press 2 button. 3 3 Press 1 1 / 2 2 buttons to select the desired speaker . 4 4 Adjust options by using 3 [...]

1-29 T roubleshooting Check the following guide for the possible cause of a problem before contacting service. Symptom No power . The power is on, but the DVD player does not work. No picture. No sound./Buzzing sounds. The playback picture is poor . The DVD player does not start playback. The remote control does not work properly . Cause z The powe[...]

1-30 REFERENCE Language Code List Enter the appropriate code number for the initial settings “ Disc Audio ” , “ Disc Subtitle ” and/or “ Disc Menu ” (See page 14). Code Language 6566 Abkhazian 6565 Afar 6570 Afrikaans 8381 Albanian 6577 Ameharic 6582 Arabic 7289 Armenian 6583 Assamese 6588 Aymara 6590 Azerbaijani 6665 Bashkir 6985 Basqu[...]

1-31 Code Area AD Andorra AE United Arab Emirates AF Afghanistan AG Antigua and Barbuda AI Anguilla AL Albania AM Armenia AN Netherlands Antilles AO Angola AQ Antarctica AR Argentina AS American Samoa A T Austria AU Australia AW Aruba AZ Azerbaidjan BA Bosnia-Herzegovina BB Barbados BD Bangladesh BE Belgium BF Burkina Faso BG Bulgaria BH Bahrain BI[...]

1-32 REFERENCE Specifications General Power requirements AC 120V , 60 Hz Power consumption 14W Dimensions (approx.) 430 X 60 X 242 mm (16.9 x 2.4 x 9.5 inches) (w x h x d) Mass (approx.) 2.4 kg (5.3 lbs) Operating temperature 5 ˚ C to 35 ˚ C (41 ˚ F to 95 ˚ F) Operating humidity 5 % to 90 % System Laser Semiconductor laser , wavelength 650 nm S[...]

1-33 T oshiba America Consumer Products, Inc. ( “ T ACP ” ) and T oshiba Hawaii, Inc. ( “ THI ” ) make the following limited warranties to origi- nal consumers for DVD Players purchased and used in the United States. THESE LIMITED W ARRANTIES EXTEND TO THE ORIGINAL CONSUMER PURCHASER OR ANY PERSON RECEIVING THIS DVD PLA YER AS A GIFT FROM T[...]

1-34 OTHERS LIMIT A TION OF IMPLIED W ARRANTIES ALL W ARRANTIES IMPLIED BY THE LA W OF ANY ST A TE OF THE U.S.A., INCLUDING THE IMPLIED WARRANTIES OF MERCHANT ABILITY AND FITNESS FOR A P ARTICULAR PURPOSE, ARE EXPRESSL Y LIMITED TO THE DURA TION OF THE LIMITED W ARRANTIES SET FOR TH ABOVE. LIMIT A TION OF W ARRANTY WITH THE EXCEPTION OF ANY W ARRAN[...]

1-36 CAUTION : DO NOT A TTEMPT TO MODIFY THIS PRODUCT IN ANY W A Y , NEVER PERFORM CUSTOMIZED INST ALLA TIONS WITHOUT MANUF AC- TURER ’ S APPROV AL. UNAUTHORIZED MODIFICA TIONS WILL NOT ONL Y VOID THE W ARRANTY , BUT MA Y LEAD TO YOUR BEING LIABLE FOR ANY RESUL TING PROPERTY DAMAGE OR USER INJURY . SERVICE WORK SHOULD BE PERFORMED ONL Y AFTER YOU[...]

1-37 SER VICING PRECAUTIONS CAUTION : Before servicing the DVD covered by this service data and its supplements and addends, read and follow the SAFETY PRECAUTIONS. NOTE : if unforeseen circum- stances create conflict between the following servicing pre- cautions and any of the safety precautions in this publica- tions, always follow the safety pre[...]

2-1 SECTION 2 CABINET & MAIN CHASSIS CONTENTS 1. EXPLODED VIEWS ................................................................................................................2-2 1. Cabinet and Main Frame Section ...........................................................................................2-2 2. Packing Accessory Section ........[...]

2-2 EXPLODED VIEWS 1. Cabinet and Main Frame Section 463 463 250 A00 463 463 300 283 280 A42 A49 A47 A48 A44 A43 A46 260 261 261 463 320 463 467 463 465 452 SCART&5.1CH MODEL ONLY A 5 4 3 2 1 BCD[...]

2. Packing Accessory Section BA TTERY 808 P ACKING SHEET 804 P ACKING OPTIONAL P ARTS 803 806 820 OWNER'S MANUAL RF CABLE 810 CABLE SET ASS'Y 801 REMOCON 900 BOX CART ON 802 P ACKING 803 81 1 812 PLUG ASS'Y 1W A Y(YELLOW) PLUG ASS'Y 1W A Y(BLACK) PLUG ASS'Y 2W A Y 2-3[...]

3-1 SECTION 3 ELECTRICAL CONTENTS ELECTRICAL TROUBLESHOOTING GUIDE ......................................................................3-2 1. Power check flow.....................................................................................................................3-2 2. System operation flow ............................................[...]

3-2 ELECTRICAL TROUBLESHOOTING GUIDE No 5V_A . No 5.2V A. Is 5.2V A section working? Is 5.2V present at emitter of Q107? Replace Q107. Is there a DC voltage At (+) terminal of BD101? Is there a DC voltage at R101? Replace IC101. Check F101 1. Power check flow No VF+ Is 5.2V A section working? Replace D109. Check F102 NO NO YES YES YES YES Replace R[...]

3-3 2. System operation flow Power On No Yes Yes Yes No No No Show LOGO Tray Closed? Tray Close to Closed position SLED Moves to Inner Position Recieve OPEN/ CLOSE Key? Receive CLOSE Key? 1. Stop Playback & Open Tray 2. Display tray open message & LOGO 1. Execute Pressed Key & IR Key 2. Systemoperati on Routi ne Loop 1. Judge whether ha[...]

3-4 3. T est & debug flow TEST Check the POWER PART No Yes No Yes No No No Yes Yes Check the POWER PART Check the regulators or diode( D670). Check the cable connection Front Panel & Communication Signal 1. Check 27MHz system clock. 2. Check systemreset circuit. 3. Check FLASH R/Wenable signal PRD, RWR. 4. Check RS232 SIGNALS. 5. Check FLAS[...]

3-5 A B RESET or Power On. Show LOGO? Flash Memory operates properly? Check connecti on lines between FLASH & MT1379 and the FLASH access time whether is sui table or not. SDRAM works properl y? MT1379 VIDEO outputs properly? Have TV signal output? Check AV cable connection to TV set . Check the load OPEN & CLOSE switch Check the Tray contr[...]

3-6 B No Yes Yes Yes No Yes Yes Yes No Yes No No No Does the SLED move to inner side when it is at outter positi on? Motor Driver STBY Pin is High? Motor Driver STBY Pin is High? SL+ and SL- output properl y? Optical Lens has movements for searching Focus? Proper F+ & F- outputs? Check cable connect on with pick-up head. Proper FOSO outputs to [...]

3-7 C No No No No No No No Yes Yes Yes Yes Yes Yes Yes Yes Yes No No Laser turns on when reading disc? LD01 or LD02 output properly? Check the laser power circuit on MT1336 and connecting to power transistor. (Q204, Q205) Check therel ated ci rcuit on laser power transi stor Check the related circuit on MT1336 RFL signal . Collector voltage of powe[...]

3-8 D Yes Yes No No Yes Yes Yes Yes Yes Yes Yes No No No No No Focus ON OK? Track On OK? Disc is play? E Proper signals on A, B, C, D of MT1336 Check connections between MT1336 and pick-up head. Proper FEO signal on MT1336? Proper FEO signal on MT1336? Check the related circuit on MT1336 FEO sugnal . Check the related circuit on MT1336 Properly TRS[...]

3-9 E Normal Audio output when disc playback? Normal IR. VFD & Front pannel key functions? TEST END Audio DAC received correct data stream? Normal Audio DAC out? (IC601) Check Audio filter, amplify, mute circuit. (IC602 Application circuit)? Check the cable connection on Front pannel. Check connection between MT1379 & Audio DAC. (Check VRST[...]

3-10 DET AILS AND W A VEFORMS 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. PWR_CTL(CN505 PIN 7) 5.2V A Power Cord in M_RESET(CN505 PIN 9) URST(IC501 PIN 188) FIG 1-2[...]

3-1 1 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 1 1) FIG 1-4[...]

3-12 2. SDRAM CLOCK 1) MT1379 main clock is at 27MHz(X501) (IC502,IC503 PIN 35) DCLK = 93MHz, Vp-p=2.2, Vmax=2.7V FIG 2-1 3. TRA Y OPEN/CLOSE SIGNAL 1) T ray open/close waveform OPEN((CN203 PIN 3) CLOSE(CN203 PIN 2) TROPEN(IC202 PIN 1) TRCLOSE(IC202 PIN 2) FIG 3-1[...]

3-13 2) T ray close waveform OPEN((CN203 PIN 3) CLOSE(CN203 PIN 2) TROPEN(IC202 PIN 1) TRCLOSE(IC202 PIN 2) FIG 3-2 3) T ray open waveform OPEN((CN203 PIN 3) CLOSE(CN203 PIN 2) TROPEN(IC202 PIN 1) TRCLOSE(IC202 PIN 2) FIG 3-3[...]

3-14 4. SLED CONTROL RELA TED 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 RELA TED 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[...]

3-15 6. LASER POWER CONTROL RELA TED 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 W A VEFORM F+(IC202 PIN 9) FE(IC201 PIN 18) RFL(IC201 PIN 19) FIG 7-1 (DVD)[...]

3-16 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)[...]

3-17 F+(IC202 PIN 9) FE(IC201 PIN 18) RFL(IC201 PIN 19) FIG 7-4 (CD) 8. FOCUS ON W A VEFORM FE(IC201 PIN 18) FOSO(IC501 PIN12) F+(IC202 PIN 9) F-(IC202 PIN 8) FIG 8-1 (DVD)[...]

3-18 FE(IC201 PIN 18) FOSO(IC501 PIN12) F+(IC202 PIN 9) F-(IC202 PIN 8) FIG 8-2 (CD) 9. SPINDLE CONTROL W A VEFORM (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 1 1) FIG 9-1[...]

3-19 10. TRACKING CONTROL RELA TED 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)[...]

3-20 1 1. RF W A VEFORM RFOP(2.3V/1.1V) (IC201 PIN 6) RFON(0.8V/2.0V) (IC201 PIN 7) FIG 1 1-1 12. MT1379 AUDIO OPTICAL AND COAXIAL OUTPUT (ASPDIF) (IC501 PIN 153) FIG 12-1[...]

3-21 13. MT1379 VIDEO OUTPUT W A VEFORM 1) Full colorbar signal(CVBS) (IC604 PIN 23) DCLK = 93MHz, Vp-p=2.2, Vmax=2.7V FIG 13-1 2) Y (IC604 PIN 21) FIG 13-2[...]

3-22 3) C (IC604 PIN 26) DCLK = 93MHz, Vp-p=2.2, Vmax=2.7V FIG 13-3 14. AUDIO OUTPUT FROM AUDIO DAC 1) Audio L/R FIG 14-1 (JK601 PIN 4,5)[...]

3-23 2) Audio related Signal ASDA T3(IC501 PIN 157) ABCK(IC501 PIN 148) ALRCK(IC501 PIN 149) ASDA T A3 FIG 14-2[...]

3-24 BLOCK DIAGRAMS 1. Overall Block Diagram M M DISC SPINDL E MOTOR LOA DING MOTOR DECK MEC HA NISM DVD:RF0,A,B, C,D CD:RF0,A,B ,C,D,E,F PICK UP DIG901 FLD DISPL AY KEY In pu t 6MHz X-TA L B/Pb IC5A1 29LV800T A- 70 1M 8BIT FLA S H ROM URST A[00:19] PCE# PRD# PWR# DQ[0 0:15] RFON,RFOP,FEO,R FL,CSO TEO,BDO,RFRP,HTRC,V2P8 L/R FL FR CVBS R/Pr G/Y RL R[...]

3-25 2. Power(SMPS) Block Diagram 5V_A -29VA VF+ RECTIFIER LINE FILTER SWITCHING IC TRANS FEED B. REG(8V) 8V 5.2VA VF- RECTIFIER(FLD) RECTIFIER(9V) RECTIFIER(5.2V) LPF LPF RECTIFIER(14V) LPF 12V AC90~240V PWR ON/OFF REG(3.3V) 3.3V/3.3V_M REG(12V) ON/OFF RECTIFIER(3.8V) LPF DV7800M'S TOSHIBA[...]

3-26 IC202 LA6560 Motor Driver DVD: A,B,C,D, RFO CD: A,B,C,D, E, F,RFO SP+, SP- M/D PICK UP X501 IC501 MT1379 DVDPLAYER COMBO CHIP IC201 MT1336E RF Signa l Processor FOSO,TRSO,FMSO DMSO,,TROPEN FEO,TEO,RFL,RFRP BDO,CSO,HTRC,V2P8 ADIN F+, F-, T+, T- SL+, SL- LOAD+, LOAD- 27MHz X-TA L RFOP,RFON LD0 1, LDO 2, IO A MDI 1 ALPC V20 SDEN, SDATA, SCLK,PWMO[...]

3-27 4. MPEG & MEMOR Y Block Diagram IC503 SDRAM 16M IC505 EEPROM I IC501 (MPEG + DSP ) MT1379 IC5A1 FLASH MEMORY (8 M ) IC510 (74HCT244) Voltage level shift IC5K1 A/D Con. (Karaoke) IC5K2 OP Amp VIDEO Interface AUDIO Interface RF IC Interface FRONT MICOM Interfac e (FRO NT BOA RD) IC502 SDRAM 16M RFOP,RFON,HTRC,RFRP,RFL DCLK,WE,CAS,RAS CS,DCKE[...]

3-28 5. VIDEO & AUDIO Block Diagram IC604 VIDEO 6dB Am p IC601 AUDIO DAC (2CH) IC301 AUDIO DAC (5.1CH) IC602 (OP Amp) LPF&Buffer IC302 (OP Amp) LPF&Buffer IC303 (OP Amp) LPF&Buffer IC304 (OP Amp) LPF&Buffer CVBS COMPONENT (R.G.B) / (Y.Pb.Pr ) SUPER VIDEO (Y/C) (R.G.B) / (Y.Pb.Pr ) (Y/C) DAC RESET ACLK SCL SDA DAC RESET ACLK SCL [...]

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3-29 3-30 CIRCUIT DIAGRAMS 1. POWER(SMPS) CIRCUIT DIAGRAM IMPORT ANT SAFETY NOTICE WHEN SERVICING THIS CHASSIS, UNDER NO CIR- CUMST ANCES SHOULD THE ORIGINAL DESIGN BE MODIFIED OR AL TERED WITHOUT PERMISSION FROM THE TOSHIBA ELECTRONICS CORPORATION. ALL COMPONENTS SHOULD BE REPLACED ONL Y WITH TYPES IDENTICAL TO THOSE IN THE ORIGI- NAL CIRCUIT . SP[...]

3-31 3-32 No Power on Video signal not appeared Video signal Y Video signal Color Digitron all not display System not working System not working or screen is abnormal System not working or Digitron not display Program download fail System not operate '02. 12. 26 R14600A TOSHIBA AUDIO DAC interface VIDEO interface RF & MOTOR DRIVE interface[...]

3-33 3-34 3. RF & SER VO CIRCUIT DIAGRAM CD/DVD LD will not on '02. 12. 26 R14601A TOSHIBA[...]

3-35 3-36 4. TIMER, 5.1CH, SCART , KARAOKE CIRCUIT DIAGRAM Karaoke not operate. Digital abnormal 5.1CH Audio Bad Power LED abnormal Remocon not operate '03. 3. 10 R14603B TOSHIBA (OPTIONAL P ART) (OPTIONAL P ART) (OPTIONAL P ART) System not operate System not operate or Digitron abnormal or Key not operate.[...]

3-37 3-38 5. A V/JACK CIRCUIT DIAGRAM Video Signal Y Video Signal Color Video Signal CVBS 2CH Audio 2CH Audio out bad. All Video signal isn't appear or bad SACD OPTION 2CH Audio out bad. 2.5V doesn't appeat System not working '02. 12. 26 R14602A TOSHIBA[...]

3-39 3-40 PIN STOP PLA Y STOP PLA Y STOP PLA Y STOP PLA Y STOP PLA Y STOP PLA Y 1 1.03 2.99 0 0 1.22 1.22 3.27 3.28 0000 2 5.1 1 5.08 0 0 0 0 1.18 1.26 0 0 2.59 2.55 3 0 0 8.04 8.01 0.96 0.9 1.1 1.52 0000 4 0 0 0.12 0.06 2 2.06 0 0 0 0 2.59 2.56 5 5.1 1 5.07 0 0.06 0 1.51 0.66 1.07 3.28 3.29 0 0 6 0 1.95 3.64 3.69 1.48 1.47 0.85 1.12 3.28 3.29 3.24[...]

3-41 3-42 PIN STOP PLA Y STOP PLA Y STOP PLA Y STOP PLA Y STOP PLA Y STOP PLA Y 161 0 1.27 162 0 2.35 163 0 0 164 0 0.73 165 0 3.27 166 0 0.5 167 0 0 168 0 0.53 169 0 3.27 170 0 0.59 171 0 0 172 3.01 0.72 173 0 0.72 174 0 0 175 0 2.73 176 0 3.13 177 0 3.13 178 0 3.25 179 0 0 180 0 0 181 2.04 2.64 182 0 2.52 183 0 0 184 0 0.09 185 0 3.26 186 - - 187[...]

3-43 3-44 PRINTED CIRCUIT DIAGRAMS 1. MAIN P .C.BOARD LOCA TION GUIDE 5600AD[...]

3-45 3-46 2. KEY P .C.BOARD 3. TIMER P .C.BOARD LOCATION GUIDE (Solder Side) (Solder Side)[...]

3-47 3-48 4. SMPS P .C.BOARD LOACTION GUIDE (Solder Side) (Solder Side) 5. 5.1CH P .C.BOARD LOCA TION GUIDE[...]

DECK MECHANISM P ARTS LOCA TIONS • T op View..................................................4-1 • T op View(without T ray Disc) .................4-1 • Bottom View ...........................................4-1 DECK MECHANISM DISASSEMBL Y 1. Holder Clamp ....................................4-2 1-1. Clamp Assembly Disc .......................[...]

4-1 DECK MECHANISM P ARTS LOCA TION Starting No. 1 1, 2 1, 2, 3 1, 2, 3, 4 1 1, 6 1, 2, 6 1, 2, 6, 8 1, 2, 6, 8, 9 1, 2, 7 1, 2, 7 1, 2 1, 2 ,13 1, 2, 13, 14 1, 2, 7, 12, 13, 14 1, 2, 13 1, 2, 7, 12, 13, 14, 15, 16, 17 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 Holder Clamp Clamp Assembly Disc Plate Clamp Magnet Clamp Clamp Upper T ray Disc Base [...]

4-2 DECK MECHANISM DISASSEMBL Y 1. Holder Clamp (Fig. 4-1) 1) Release 2 Screws(S1). 2) Unhook 2 Locking T abs(L1). 3) Lift up the Holder Clamp and then separate it from the Base Main. 1-1. Clamp Assembly Disc 1) Place the Clamp Assembly Disc as Fig. (A) 2) Lift up the Clamp Assembly Disc in direction of arrow(A). 3) Separate the Clamp Assembly Disc[...]

4-3 DECK MECHANISM DISASSEMBL Y 3. Base Assembly Sled (Fig. 4-3) 1) Release 4 Screw(S2). 2) Disconnect the FFC Connector(C1) 3-1. Gear Assembly Feed 3-2. Gear Assembly Middle 3-3. Gear Assembly Rack 1) Release the Scerw(S3) 4. Rubber Rear (Fig. 4-3) Fig. 4-3[...]

4-4 DECK MECHANISM DISASSEMBL Y 5. Frame Assembly Up/Down (Fig. 4-4) Put the Base Main face down(Bottom Side) 1) Release the Screw(S4) 2) Unlock the Locking T ab(L3) in direction of arrow and then lift up the Frame Assembly Up/Down to separate it from the Base Main. • When reassembling move the Guide Up/Down in direction of arrow(C) until it is p[...]

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EXPLODED VIEWS 1. Deck Mechanism Exploded View 429 429 026 010 018 013 014 017 015 015A 011 430 431 011A 012 004 001 002 003 A01 A02 020 430 430 430 430 012 021 433 433 012 012 028 022 432 024 A03 A26 025 030 015B 015C 435 029 031 431 431 431 024A 024A 024B 4-5 4-6[...]

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5-1 SECTION 5 REPLACEMENT PARTS LIST TOSHIBA MODEL : SD-4900-S-TU/SD-4900-S-TC NSP : Not avallable as service parts. RUN DATE : 27-JULY-02 S AL LOCA. NO. TOSHIBA PART LG PART NO. DESCRIPTION SPECIFICATION REMARKS *** INDIVIDUAL PARTS *** 250 79096706 3110R-D001C CASE DVB7022NM PRESS 55-430-J597G W 283 AF000166 3580R-T091C DOOR,CASE DVD DVB7042NDM M[...]

5-2 S AL LOCA. NO. TOSHIBA PART LG PART NO. DESCRIPTION SPECIFICATION REMARKS R908 79093029 0RH1002C622 RESISTOR,METAL GLAZED(CHIP) 10K OHM 1 / 16 W 1608 5.00% D R909 79093029 0RH1002C622 RESISTOR,METAL GLAZED(CHIP) 10K OHM 1 / 16 W 1608 5.00% D R910 79093042 0RH3301C622 RESISTOR,METAL GLAZED(CHIP) 3.3K OHM 1 / 16 W 1608 5.00% D R911 79093041 0RH33[...]

5-3 S AL LOCA. NO. TOSHIBA PART LG PART NO. DESCRIPTION SPECIFICATION REMARKS *** DECK ASSEMBLY *** A00 79096645 6721RH0370A DECK ASSEMBLY,VIDEO DECK/MECHA DP-7(55) MITSUMI GO NSP A01 AF000173 4861R-0016B CLAMP ASSEMBLY DISC DP7 - SH A02 79096682 3041R-M003B BASE ASSEMBLY MAIN(DP-7R) - SH A03 AF000163 3041R-M002B BASE ASSEMBLY SLED DP7(MIT 502W-GOL[...]

5-4 S AL LOCA. NO. TOSHIBA PART LG PART NO. DESCRIPTION SPECIFICATION REMARKS C232 79092014 0CH1104K942 CAPACITOR,CHIP[CERAMIC M/L HD 0.1UF 50V Z Y5V(F) 1508 R/TP C233 79092014 0CH1104K942 CAPACITOR,CHIP[CERAMIC M/L HD 0.1UF 50V Z Y5V(F) 1508 R/TP C234 79092014 0CH1104K942 CAPACITOR,CHIP[CERAMIC M/L HD 0.1UF 50V Z Y5V(F) 1508 R/TP C239 79092014 0CH[...]

5-5 S AL LOCA. NO. TOSHIBA PART LG PART NO. DESCRIPTION SPECIFICATION REMARKS C518 79092014 0CH1104K942 CAPACITOR,CHIP[CERAMIC M/L HD 0.1UF 50V Z Y5V(F) 1508 R/TP C519 79092014 0CH1104K942 CAPACITOR,CHIP[CERAMIC M/L HD 0.1UF 50V Z Y5V(F) 1508 R/TP C520 79092014 0CH1104K942 CAPACITOR,CHIP[CERAMIC M/L HD 0.1UF 50V Z Y5V(F) 1508 R/TP C521 79092014 0CH[...]

5-6 S AL LOCA. NO. TOSHIBA PART LG PART NO. DESCRIPTION SPECIFICATION REMARKS C5A8 79092014 0CH1104K942 CAPACITOR,CHIP[CERAMIC M/L HD 0.1UF 50V Z Y5V(F) 1508 R/TP C5A9 79092014 0CH1104K942 CAPACITOR,CHIP[CERAMIC M/L HD 0.1UF 50V Z Y5V(F) 1508 R/TP C5D1 79098709 0CE2274C638 CAPACITOR,ELECTROLYTIC 220M SRA 6.3V M FM5 TP(5) C600 79092014 0CH1104K942 C[...]

5-7 S AL LOCA. NO. TOSHIBA PART LG PART NO. DESCRIPTION SPECIFICATION REMARKS C6W2 79092014 0CH1104K942 CAPACITOR,CHIP[CERAMIC M/L HD 0.1UF 50V Z Y5V(F) 1508 R/TP C6W3 79097104 0CE1064F638 CAPACITOR,ELECTROLYTIC 10M SRA 16V M FM5 TP(5) C6W4 79097121 0CH4101K412 CHIP CAPA CERAMIC M/L T.C F/S 100P 50V J COG 1.6X0.8 R/TP C6W5 79098721 0CH4270K412 CAPA[...]

5-8 S AL LOCA. NO. TOSHIBA PART LG PART NO. DESCRIPTION SPECIFICATION REMARKS R212 79096547 0RJ7503C677 RESISTOR,METAL GLAZED(CHIP) 750K OHM 1/16 W 5% 1608 R/TP R213 79096553 0RH3903C622 RESISTOR,METAL GLAZED(CHIP) 390K OHM 1 / 16 W 1608 5.00% D R214 79096547 0RJ7503C677 RESISTOR,METAL GLAZED(CHIP) 750K OHM 1/16 W 5% 1608 R/TP R215 79096553 0RH3903[...]

5-9 S AL LOCA. NO. TOSHIBA PART LG PART NO. DESCRIPTION SPECIFICATION REMARKS R529 79093020 0RH0000C622 RESISTOR,METAL GLAZED(CHIP) 0 OHM 1 / 16 W 1608 5.00% D R534 79098767 0RH1001C622 RESISTOR,METAL GLAZED(CHIP) 1K OHM 1 / 16 W 1608 5.00% D R535 79098767 0RH1001C622 RESISTOR,METAL GLAZED(CHIP) 1K OHM 1 / 16 W 1608 5.00% D R536 79093020 0RH0000C62[...]

5-10 S AL LOCA. NO. TOSHIBA PART LG PART NO. DESCRIPTION SPECIFICATION REMARKS R644 79093020 0RH0000C622 RESISTOR,METAL GLAZED(CHIP) 0 OHM 1 / 16 W 1608 5.00% D R649 79093033 0RH1500C422 RESISTOR,METAL GLAZED(CHIP) 150 OHM 1 / 16 W 1608 1.00% D R652 79093033 0RH1500C422 RESISTOR,METAL GLAZED(CHIP) 150 OHM 1 / 16 W 1608 1.00% D R655 79093033 0RH1500[...]

5-11 S AL LOCA. NO. TOSHIBA PART LG PART NO. DESCRIPTION SPECIFICATION REMARKS C322 79097104 0CE1064F638 CAPACITOR,ELECTROLYTIC 10M SRA 16V M FM5 TP(5) C323 79097104 0CE1064F638 CAPACITOR,ELECTROLYTIC 10M SRA 16V M FM5 TP(5) C324 79096608 0CH1392K566 CAPACITOR,FIXED CERAMIC(Temp.c 3900P 50V K X7R 2.0X1.2 R/TP C325 79097104 0CE1064F638 CAPACITOR,ELE[...]

5-12 S AL LOCA. NO. TOSHIBA PART LG PART NO. DESCRIPTION SPECIFICATION REMARKS R321 79096346 0RH1003D622 RESISTOR,METAL GLAZED(CHIP) 100K OHM 1 / 10 W 2012 5.00% D R322 79096355 0RH2200D622 RESISTOR,METAL GLAZED(CHIP) 220 OHM 1 / 10 W 2012 5.00% D R323 79096344 0RH1001D622 RESISTOR,METAL GLAZED(CHIP) 1K OHM 1 / 10 W 2012 5.00% D R324 79096355 0RH22[...]

5-13 S AL LOCA. NO. TOSHIBA PART LG PART NO. DESCRIPTION SPECIFICATION REMARKS C121 79092005 0CE2276F638 CAPACITOR,ELECTROLYTIC 220U SMS 16V M FM5 TP(5) C122 79092035 624-085D CAPACITOR CE 47UF/50V KME (SMPS) C123 79092003 0CE108BF630 CAPACITOR,FIXED ELECTROLYTIC 1000UF KME 16V M FM5 BULK C124 79098711 0CE337CH618 CAPACITOR,FIXED ELECTROLYTIC 330UF[...]

5-14 S AL LOCA. NO. TOSHIBA PART LG PART NO. DESCRIPTION SPECIFICATION REMARKS R112 79096692 0RD0392F608 RESISTOR,FIXED CARBON FILM 39 OHM 1/6 W 5% TA26 R114 79093006 0RD1003F608 RESISTOR,FIXED CARBON FILM 100K OHM 1/6 W 5% TA26 R115 79097165 0RD0182F608 RESISTOR,FIXED CARBON FILM 18 OHM 1/6 W 5.00% TA26 R116 79097165 0RD0182F608 RESISTOR,FIXED CAR[...]

TOSHIBA CORPORA TION 1-1, SHIBAURA 1-CHOME, MINATO-KU, TOK YO 105-8001, JAP AN[...]