Toshiba SD-4900 Скачать руководство пользователя страница 41

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3-1

SECTION 3

ELECTRICAL

CONTENTS

ELECTRICAL TROUBLESHOOTING GUIDE

......................................................................3-2

1. Power check flow.....................................................................................................................3-2

2. System operation flow ............................................................................................................3-3

3. Test & debug flow ....................................................................................................................3-4

DETAILS AND WAVEFORMS ON SYSTEM TEST AND DEBUGGING

....................3-10

1. SYSTEM 27MHz CLOCK,RESET,FLASH R/W SIGNAL .......................................................3-10

2. SDRAM CLOCK ......................................................................................................................3-12

3. TRAY OPEN/CLOSE SIGNAL ................................................................................................3-12

4. SLED CONTROL RELATED SIGNAL (NO DISC CONDITION) ............................................3-14

5. LENS CONTROL RELATED SIGNAL(NO DISC CONDITION) .............................................3-14

6. LASER POWER CONTROL RELATED SIGNAL(NO DISC CONDITION) ............................3-15

7. DISC TYPE JUDGEMENT WAVEFORM ................................................................................3-15

8. FOCUS ON WAVEFORM........................................................................................................3-17

9. SPINDLE CONTROL WAVEFORM (NO DISC CONDITION).................................................3-18

10. TRACKING CONTROL RELATED SIGNAL(System checking).........................................3-19

11. RF WAVEFORM ....................................................................................................................3-20

12. MT1379 AUDIO OPTICAL AND COAXIAL OUTPUT (ASPDIF)..........................................3-20

13. MT1379 VIDEO OUTPUT WAVEFORM................................................................................3-21

14. AUDIO OUTPUT FROM AUDIO DAC ..................................................................................3-22

BLOCK DIAGRAMS

..................................................................................................................3-24

1. Overall Block Diagram ..........................................................................................................3-24

2. Power(SMPS) Block Diagram ...............................................................................................3-25

3. SERVO Block Diagram ..........................................................................................................3-26

4. MPEG & MEMORY Block Diagram .......................................................................................3-27

5. VIDEO & AUDIO Block Diagram ...........................................................................................3-28

CIRCUIT DIAGRAMS

................................................................................................................3-29

1. Power(SMPS) Circuit DIAGRAM...........................................................................................3-29

2. SYSTEM Circuit DIAGRAM ...................................................................................................3-31

3. RF & SERVO Circuit DIAGRAM ............................................................................................3-33

4. TIMER, 5.1CH, SCART, KARAOKE Circuit DIAGRAM ........................................................3-35

5. AV/JACK Circuit DIAGRAM...................................................................................................3-37

• CIRCUIT VOLTAGE CHART ....................................................................................................3-39

PRINTED CIRCUIT DIAGRAMS

............................................................................................3-43

1. MAIN P.C.BOARD ...................................................................................................................3-43

2. KEY P.C.BOARD.....................................................................................................................3-45

3. TIMER P.C.BOARD .................................................................................................................3-45

4. SMPS P.C.BOARD ..................................................................................................................3-47

5. 5.1CH P.C.BOARD ..................................................................................................................3-48

Содержание SD-4900

Страница 1: ...SERVICE MANUAL DVD VIDEO PLAYER FILE NO 810 200327 DOCUMENT CREATED IN JAPAN Jul 2003 SD 4900 ...

Страница 2: ...MARY CONTENTS OWNER S MANUAL SD 4900 1 2 PRODUCT SAFETY SERVICING GUIDELINES FOR VIDEO PRODUCTS 1 36 SERVICING PRECAUTIONS 1 37 General Servicing Precautions Insulation Checking Prodedure Electrostatically Sensitive Devices ...

Страница 3: ...EL SD 4900 Before connecting operating or adjusting this product please read this instruction booklet carefully and completely S S S Su u u ur r r rr r r ro o o ou u u un n n nd d d d S S S So o o ou u u un n n nd d d d 3 3 3 3D D D D ...

Страница 4: ...to radio communications However there is no guarantee that interference will not occur in a particular installation If this product does cause harmful interference to radio or television reception which can be determined by turning the product off and on the user is encouraged to try to correct the interference by one or more of the following measures z Reorient or relocate the receiving antenna z...

Страница 5: ...tacles this can result in a risk of fire or electric shock 13 Lightning Unplug this apparatus during lightning storms or when unused for long periods of time This will prevent damage to the product due to lightning and power line surges 14 Object and Liquid Entry Never push objects of any kind into this product through openings as they may touch dangerous voltage points or short out parts that cou...

Страница 6: ... Channel 20 z Subtitles 20 DVD Audio Discs 21 z Moving to another GROUP 21 z Viewing another PAGE 21 Operation with Audio CD and MP3 WMA Disc 22 23 Playing an Audio CD and MP3 WMA Disc 22 Notes on MP3 WMA Recordings 22 z Pause 23 z Moving to another Track 23 z Repeat Track All Off 23 z Search 23 z Random 23 z Repeat A B 23 z Selecting the sound enhancement 23 z Changing the Audio Channel 23 Operat...

Страница 7: ... labels of some DVD discs indicates which type of player can play those discs This unit can play only DVD discs labeled 1 or ALL If you try to play any other discs the message Check Regional Code will appear on the TV screen Some DVD discs may not have a region code label even though their playback is prohibited by area limits Disc related terms Title DVD video discs only The main film content or ...

Страница 8: ...is depends on the operating environment For details please contact your nearest dealer Notes on Discs Handling discs Do not touch the playback side of the disc Hold the disc by the edges so that fingerprints will not get on the surface Do not stick paper or tape on the disc Storing discs After playing store the disc in its case Do not expose the disc to direct sunlight or sources of heat or leave ...

Страница 9: ...Tray Insert a disc here ON STANDBY 1 Switches the player ON and OFF TITLE MP3 VCD CD PROG RANDOM ALL A B CHP TRK A DVD Indicates current player function Playback Pause etc ANGLE active DVD video disc inserted DVD audio disc inserted CD Audio CD inserted VCD Video CD inserted MP3 MP3 or WMA disc inserted A DVD DVD TITLE Indicates current title number CHP TRK Indicates current chapter or track numbe...

Страница 10: ...back REV Reverse m Search backward FWD Forward M Search forward Reverse SLOW t Reverse slow playback Forward SLOW T Forward slow playback STOP x Stops playback Forward SKIP Advances to next chapter or track Reverse SKIP Returns to beginning of current chapter or track or press twice in quick successions to go to previous chapter or track ON STANDBY Switches DVD Player ON and OFF E A M Selects soun...

Страница 11: ...l optical audio equipment AUDIO OUT Left Right Connect to an amplifier receiver or stereo system VIDEO OUT Connect to a TV with video inputs AC Power Cord Plug into the power source S VIDEO OUT Connect to a TV with S Video inputs COMPONENT PROGRESSIVE SCAN VIDEO OUT Y Pb Pr Connect to a TV with Y Pb Pr inputs 5 1 CHANNEL AUDIO OUT Connect to a 5 1 channel receiver center speaker connection subwoof...

Страница 12: ...t the Left and Right AUDIO OUT jacks of the DVD Player to the audio left right in jacks on the TV A using the audio cables Component Video ColorStream connection Best 1 1 Connect the COMPONENT VIDEO OUT PROGRESSIVE SCAN jacks on the DVD Player to the corresponding in jacks on the TV using the Y Pb Pr cable C 2 2 Connect the Left and Right AUDIO OUT jacks of the DVD Player to the audio left right i...

Страница 13: ...distorted sound or no sound at all Six Channel Digital Surround Sound via digital con nection can only be obtained if your receiver is equipped with a Digital Multi channel decoder To see the audio format of the current DVD in the on screen display press AUDIO Repeated pressing of the AUDIO button may allow you to select between various audio formats available on the disc Note This player does not...

Страница 14: ... from this point Action prohibited or not available Notes z Some discs may not provide all of the features on the on screen display example shown below z If no button is pressed for 10 seconds the on screen display disappears OFF A B ALL TRACK GROUP CHAPT TITLE Items Title Number Chapter Number Time search Audio language and Digital Audio Output mode Subtitle language Angle Sound Function Press v ...

Страница 15: ...tle language Page or Angle Function Press 3 3 4 4 to select desired item Shows the current group number and total number of groups and skips to the desired group number Shows the current track number and total number of tracks and skips to the desired track number Shows the elapsed playing time Display only Shows the current encoding method and channel number and changes the setting Shows the curr...

Страница 16: ...sing the COMPONENT VIDEO OUT PROGRESSIVE SCAN jacks but are connecting the DVD Player to a standard analog television set Progressive Scan to Off If you are using the Component Video jacks for connection to a TV or monitor that is compatible with a progressive scan signal set Progressive Scan to On Caution Once the setting for progressive scan output is entered an image will only be visible on a p...

Страница 17: ...ut as indicated as above 1 If your receiver or amplifier is NOT capable of handling 96KHz signals loud buzzing sounds might be heard In this case select 48 KHz When this choice is made this unit will automatically convert any 96KHz signals to 48KHz so your system can decode them 2 If your receiver or amplifier is capable of handling 96KHz signals select 96KHz When this choice is made this unit wil...

Страница 18: ...ion may not work for some DVDs B L E Black Level Expansion To select the black level of playback pictures Set your preference and monitor s ability On Expanded grey scale 0 IRE cut off Off Standard grey scale 7 5 IRE cut off Pluge Blacker than Black For proper adjustment of your television brightness settings utilizing a commercially available test disc On Select when you adjust the level of your ...

Страница 19: ...r a lower one If no suitable alternative is found play back will stop You must enter the 4 digit password or change the rating level in order to play the disc 5 5 Press ENTER to confirm your rating selection then press SETUP to exit the menu Area Code Enter the code of a country area whose standards were used to rate the DVD video disc referring to the list See Area Code List page 30 1 1 Select Ar...

Страница 20: ...om your player The region code for this player is 1 one General Features Note Unless stated otherwise all operations described use the remote control Some features may also be available on the Setup menu Moving to another TITLE GROUP When a disc has more than one title group you can move to another title group as follows z z Press DISPLAY then press the appropriate num bered button 0 9 to select a...

Страница 21: ...ted in some picture segments Random 1 Press RANDOM during playback or in stop mode The unit automatically begins Random Playback and RANDOM appears on the display window 2 To return to normal playback press RANDOM until RANDOM disappears on the display window Tip By pressing SKIP during Random playback the unit selects another title track and resumes Random playback Notes z This function only work...

Страница 22: ...scene 4 To remove the MARKER SEARCH menu press SEARCH To clear a Marked Scene 1 During disc playback press SEARCH The MARKER SEARCH menu will appear on the screen 2 Press b B to select the Marker number that you want to erase 3 Press CLEAR The Marker number will be erased from the list 4 Repeat steps 2 and 3 to erase additional Marker numbers 5 To remove the MARKER SEARCH menu press SEARCH Special...

Страница 23: ...ity sound even though you re playing a DVD Audio disc and might not have sorround effect Moving to another GROUP Some DVD Audio discs divide content into different groups Your player enables you to quickly access different groups during playback via the on screen display 1 Press DISPLAY during playback on in stop mode 2 Press 3 3 4 4 to select Group icon 3 Press 1 2 or the numbered buttons 0 9 to ...

Страница 24: ...05 44 1kHz WMA 2 Bit rate within 32 320kbps MP3 32 128kbps WMA 3 CD R physical format should be ISO 9660 4 If you record MP3 WMA files using the software which cannot create a FILE SYSTEM for example Direct CD etc it is impossible to playback MP3 WMA files We recommend that you use Easy CD Creator which creates an ISO9660 file system 5 A single session disc requires MP3 WMA files in the first trac...

Страница 25: ...SEARCH mode press PLAY Random 1 Press RANDOM during playback or when playback is stopped The unit automatically begins Random Playback and RANDOM or RAND appears on the display window and menu screen 2 To return to normal playback press RANDOM repeat edly until RANDOM or RAND disappears on the display window and menu screen Repeat A B To repeat a sequence 1 During disc playback press A B RPT at yo...

Страница 26: ...lide show The player will now go into PAUSE mode 2 To return to the slide show press PLAY or press PAUSE STEP again To flip the picture Press v V during showing a picture to flip the picture horizontally or a vertically To rotate picture Press b B during showing a picture to rotate the picture clockwise or counter clockwise Notes on JPEG Recordings z z Depending upon the size and number of the JPE...

Страница 27: ...Press PROGRAM while playback is stopped The VCD Program menu will appear Note Press RETURN or PROGRAM to exit the Program menu 3 3 Follow steps 2 6 of Programmed Playback with Audio CD and MP3 WMA disc on left 4 4 To resume normal playback from programmed playback press PROGRAM PROG indicator disappears in the display window Repeat Programmed Tracks z z To repeat the track currently playing press ...

Страница 28: ...e improved by changing the video mode z z To change the video mode press and hold DISPLAY about 3 seconds during disc playback The new video mode number selected is displayed on the TV screen Check whether the video quality has improved If not repeat the above procedure until pic ture quality is improved z z Video mode sequence Auto Film Video Auto z z If you turn off the power the video mode will...

Страница 29: ...ll If you have not connected a subwoofer always select Large for Front speaker L R z z When you do not have a certain speaker connected select None z z Front L R speaker s size can be set to Large or Small z z If Front L R speaker s size is set to Small Rear and Center speaker s size can be set to Small or None z z Subwoofer s size can be set only to Large or None Distance If you connected speaker...

Страница 30: ...ll outlet securely z Insert a disc Check that the DVD or audio CD indicator in the display window is lit z Select the appropriate video input mode on the TV so the picture from the DVD player appears on the TV screen z Connect the video cable securely z Turn on the TV z Select the correct input mode of the audio receiver so you can listen to the sound from the DVD player z Connect the audio cable ...

Страница 31: ...nterlingua 7165 Irish 7384 Italian 7465 Japanese 7487 Javanese 7578 Kannada 7583 Kashmiri 7575 Kazakh 7589 Kirghiz 7579 Korean 7585 Kurdish 7679 Laothian 7665 Latin 7686 Latvian Lettish Code Language 7678 Lingala 7684 Lithuanian 7775 Macedonian 7771 Malagasy 7783 Malay 7776 Malayalam 7784 Maltese 7773 Maori 7782 Marathi 7779 Moldavian 7778 Mongolian 7865 Nauru 7869 Nepali 7879 Norwegian 7982 Oriya...

Страница 32: ...Islands KZ Kazakhstan LA Laos LB Lebanon Code Area LC Saint Lucia LI Liechtenstein LK Sri Lanka LR Liberia LS Lesotho LT Lithuania LU Luxembourg LV Latvia LY Libya MA Morocco MC Monaco MD Moldavia MG Madagascar MH Marshall Islands MK Macedonia ML Mali MM Myanmar MN Mongolia MO Macau MP Northern Mariana Islands MQ Martinique French MR Mauritania MS Montserrat MT Malta MU Mauritius MV Maldives MW Ma...

Страница 33: ...Ω sync negative RCA jack x 1 S VIDEO OUT Y 1 0 V p p 75 Ω negative sync Mini DIN 4 pin x 1 C 0 3 V p p 75 Ω COMPONENT VIDEO OUT Y 1 0 V p p 75 Ω negative sync RCA jack x 1 Pb Pr 0 7 V p p 75 Ω RCA jack x 2 Audio output digital audio 0 5 V p p 75 Ω RCA jack x 1 Audio output optical audio 5 V p p 75 Ω Optical connector x 1 Audio output analog audio 2 0 Vrms 1 KHz 0 dB 600 Ω RCA jack L R x 1 Accessor...

Страница 34: ...mplete and mail the enclosed Demographic Card within ten days after you or the person who has given you this product as a gift purchased this DVD Player This is one way to enable TACP THI to provide you with better customer service and improved products Failure to return the Demographic Card will not affect your rights under this warranty Your Responsibility THE ABOVE LIMITED WARRANTIES ARE SUBJEC...

Страница 35: ... any state of the U S A HOW STATE LAW RELATES TO WARRANTY THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS AND YOU MAY ALSO HAVE OTHER RIGHTS WHICH MAY VARY FROM STATE TO STATE IN THE U S A SOME STATES OF THE U S A DO NOT ALLOW LIMITA TIONS ON HOW LONG AN IMPLIED WARRANTY LASTS WHEN AN ACTION MAY BE BROUGHT OR THE EXCLU SION OR LIMITATION OF INCIDENTAL OR CONSEQUEN TIAL DAMAGES SO THE ABOVE LIMITATIO...

Страница 36: ...AYS WHEN THE HIGH VOLTAGE IS AT THE FACTORY SPECIFIED LEVEL THE PROPER VALUE IS GIVEN IN THE APPLICABLE SCHEMATIC OPERA TION AT HIGHER VOLTAGES MAY CAUSE A FAILURE OF THE PIC TURE TUBE OR HIGH VOLTAGE SUPPLY AND UNDER CERTAIN CIR CUMSTANCES MAY PRODUCE RADIATION IN EXCESS OF DESIR ABLE LEVELS 2 ONLY FACTORY SPECIFIED C R T ANODE CONNECTORS MUST BE USED DEGAUSSING SHIELDS ALSO SERVE AS X RAY SHIELD...

Страница 37: ...l pan els Input terminals Earphone jacks etc Electrostatically Sensitive ES Devices Some semiconductor solid state devices can be damaged easily by static electricity Such components commonly are called Electrostatically Sensitive ES Devices Examples of typical ES devices are integrated circuits and some field effect transistors and semiconductor chip components The following techniques should be ...

Страница 38: ...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 3 ...

Страница 39: ...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 B C D ...

Страница 40: ...on BATTERY 808 PACKING SHEET 804 PACKING OPTIONAL PARTS 803 806 820 OWNER S MANUAL RF CABLE 810 CABLE SET ASS Y 801 REMOCON 900 BOX CARTON 802 PACKING 803 811 812 PLUG ASS Y 1WAY YELLOW PLUG ASS Y 1WAY BLACK PLUG ASS Y 2WAY 2 3 ...

Страница 41: ...C CONDITION 3 18 10 TRACKING CONTROL RELATED SIGNAL System checking 3 19 11 RF WAVEFORM 3 20 12 MT1379 AUDIO OPTICAL AND COAXIAL OUTPUT ASPDIF 3 20 13 MT1379 VIDEO OUTPUT WAVEFORM 3 21 14 AUDIO OUTPUT FROM AUDIO DAC 3 22 BLOCK DIAGRAMS 3 24 1 Overall Block Diagram 3 24 2 Power SMPS Block Diagram 3 25 3 SERVO Block Diagram 3 26 4 MPEG MEMORY Block Diagram 3 27 5 VIDEO AUDIO Block Diagram 3 28 CIRCU...

Страница 42: ...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 2VA section working Replace D109 Check F102 NO NO YES YES YES YES Replace R101 YES Replace BD101 YES YES A B NO NO NO NO ...

Страница 43: ...ecieve 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 have disc and disc type 2 Jump to related disc reading procedure SLED at Inner Side 1 8032 initializes SERVO DSP RISC registers 2 Write RISC code to SDRAM 3 Reset RISC ...

Страница 44: ...3 Check FLASH R Wenable signal PRD RWR 4 Check RS232 SIGNALS 5 Check FLASH Memory related circui t Check the AC Vol tage Power PCBA 110V or 220V Switch on the Power PCBA Is the DC Vol tage outputs OK 5V 3 3V 8V 12V Is 3 3V and 2 5V DC outputs normal on main PCBA Update FLASH IC5A1 successfully Replace FLASH IC5A1 A Communication between IC901 MT1379 is normally Connect to PC RS232 Cable and update...

Страница 45: ...ck the Tray control IO pins on MT1376 MT1379 Check the Tray control amplifying circuit on Motor driver IC202 Does Tray move inside when it is not at closed position Normal TROUT TRIN signals Normal TRCLOSE TROPEN signal Normal LOAD LOAD signal Check the cable connection between main PCBA and loader MECHA Check connection lines between SDRAM IC502 IC503 MT1379 and the SDRAM is damaged Check the rel...

Страница 46: ...l Lens has movements for searching Focus Proper F F outputs Check cable connect on with pick up head Proper FOSO outputs to motor driver Check FOSO connection on MT1379 and motor dirver Check the amp circuit on motor dirver C Check the cable connection with MECHA Do not put in disc and tray close Check the connection line of STBY signal Check the rel ated circuit of FMSO Check the amp circuit on m...

Страница 47: ...circuit on MT1336 RFL signal Collector voltage of power transistor is OK Q204 Q205 Check cable connection between transistor couput and pick up head Laser off Proper RFL signal on MT1336 Proper DMSO signal on MT1379 Check DMSO related circuit on MT1379 Check the spindle control amp circuit of motor driver SP SP output properly Check the cable connection between spindle and main PCBA Check the RFL ...

Страница 48: ...O signal on MT1336 Proper FEO signal on MT1336 Check the related circuit on MT1336 FEO sugnal Check the related circuit on MT1336 Properly TRSO signal on MT1379 T T output properly Check the TRSO connection on MT1379 and motor dirver Check the tracking control amp circuit on motor driver Check cable connection on pick up head Check RF signal waveform Check FEO connection between MT1336 and MT1379 ...

Страница 49: ...k Audio filter amplify mute circuit IC602 Application circuit Check the cable connection on Front pannel Check connection between MT1379 Audio DAC Check VRST ACLK ABCK ASDAT3 Check the related circuit of Audio DAC Check Audio out Pin 14 15 18 19 Check communi cation lines on MT1379 Communications between IR VFD Front pannel key MT1379 Front u com IC901 is normally ...

Страница 50: ...ST 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 2VA Power Cord in M_RESET CN505 PIN 9 URST IC501 PIN 188 FIG 1 2 ...

Страница 51: ...3 11 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 ...

Страница 52: ...T1379 main clock is at 27MHz X501 IC502 IC503 PIN 35 DCLK 93MHz Vp p 2 2 Vmax 2 7V 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 ...

Страница 53: ...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 ...

Страница 54: ...V 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 ...

Страница 55: ...NTROL 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 ...

Страница 56: ...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 ...

Страница 57: ...3 17 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 ...

Страница 58: ... 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 ...

Страница 59: ... 19 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 ...

Страница 60: ...3 20 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 ...

Страница 61: ...3 21 13 MT1379 VIDEO OUTPUT WAVEFORM 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 ...

Страница 62: ...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 ...

Страница 63: ...3 23 2 Audio related Signal ASDAT3 IC501 PIN 157 ABCK IC501 PIN 148 ALRCK IC501 PIN 149 ASDATA3 FIG 14 2 ...

Страница 64: ...MT1336E RF SLED FEEDING MOTOR SL SL IC202 LA6560 MOTOR DRIVER M V33 DV33 AV33 DV33 V25 VCC DV33 3V3M IC5K1 CS5331A ADC IC5K2 KA741 OP AMP VCC AMDAT MIC_IN ACLK ABCLK ALRCK IC604 MM1623XFBE VIDEO BUFFER MIC_DETC ASPDIF COAX OPTICAL ASPECT VCC RVCC AVCC AV33 V25 LD01 LD02 IOA V2 0 VCC 8V RVCC LIMIT TROUT TRIN TROPEN TRSO FOSO DMSO FMSO SCLK SDEN SDATA PWMOUT2 AD 0 7 VCC IC901 GMS81C2012 Hynix Front ...

Страница 65: ...9VA 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 ...

Страница 66: ...F F T T SL SL LOAD LOAD 27MHz X TAL RFOP RFON LD0 1 LDO 2 IOA MDI 1 ALPC V20 SDEN SDATA SCLK PWMOUT2 LIMIT TRIN TROUT TRCLOSE STBY V1P4 IC302 GM72V161621 1M x 16bit SDRAM IC303 GM72V161621 1M x 16bit SDRAM MA 0 10 DQM0 DQM1 WE CAS RAS CS BA0 DCLK DCKE DQ 0 15 DQ 16 31 MA 0 10 DQM0 DQM1 WE CAS RAS CS BA0 DCLK DCKE FLASH ROM PRD PWR PCE AD 0 7 A 0 19 EEP ROM SCL SDA RS232C MTK RXD TXD DV7800M S TOSH...

Страница 67: ...T BOARD IC502 SDRAM 16M RFOP RFON HTRC RFRP RFL DCLK WE CAS RAS CS DCKE MA 0 10 DQM0 DQM1 DQ 0 15 DQM2 DQM3 DQ 16 31 X501 27MHz AMDAT ACLK ABCK ALRCK KARAOKE BOARD SCL SDA Y2 Y Y3 Color Y4 Y Y5 Cb Y6 Cr ASPECT 16 9 FEO CSO TEO ADIN BDO SDATA SDEN SCLK URST FMSO DMSO V1P4 V2P8 TROPEN TRSO FOSO ACLK ALRCK ABCK MUTE VSCK VSDA ASDTA 0 3 ASTB SCL SDA ASPDIF PWR PCE PRD A 0 19 AD 0 7 VFD_SCK VFD_TXD M_R...

Страница 68: ...2 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 SDA ADATA1 ADATA2 ADATA3 A V JACK MPEG MPEG MP MPEG EG 5 1CH BOARD FRONT R REAR R FRONT L REAR L CENTER WOOFER AUDIO R AUDIO R ADATA3 DV7800M S TOSHIBA ...

Страница 69: ......

Страница 70: ...ETY AND PERFORMANCE IMPROVEMENT CHANGES INTO THE SET IS NOT DELAYED UNTIL THE NEW SERVICE LITERATURE IS PRINTED NOTE 1 Shaded parts are critical for safety Replace only with specified part number 2 Voltages are DC measured with a digital voltmeter during Play mode Power Dead IC101 is defective NOTES Warning NOTES Parts that are shaded are critical NOTES With respect to risk of fire or NOTES electr...

Страница 71: ...r 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 2 SYSTEM CIRCUIT DIAGRAM ...

Страница 72: ...3 33 3 34 3 RF SERVO CIRCUIT DIAGRAM CD DVD LD will not on 02 12 26 R14601A TOSHIBA ...

Страница 73: ...T DIAGRAM Karaoke not operate Digital abnormal 5 1CH Audio Bad Power LED abnormal Remocon not operate 03 3 10 R14603B TOSHIBA OPTIONAL PART OPTIONAL PART OPTIONAL PART System not operate System not operate or Digitron abnormal or Key not operate ...

Страница 74: ...RCUIT 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 ...

Страница 75: ...OP PLAY STOP PLAY STOP PLAY 0 08 0 16 2 0 3 28 3 29 5 52 5 49 5 09 5 08 1 82 0 45 1 64 1 63 3 28 3 28 5 52 5 48 2 43 2 42 2 84 0 1 64 1 64 0 1 65 5 51 5 47 5 09 5 08 2 83 3 12 1 58 1 56 1 63 1 64 0 0 1 45 0 0 69 0 26 2 23 2 23 1 64 1 65 5 51 5 48 0 0 1 72 0 25 0 0 1 59 1 61 5 51 5 48 1 45 1 69 1 92 0 9 5 12 5 08 0 0 5 52 5 47 0 0 1 7 1 45 2 23 2 23 3 28 0 12 03 12 03 2 47 2 46 0 0 3 28 3 29 0 0 0 ...

Страница 76: ...43 204 0 1 43 205 0 1 42 206 0 2 1 207 0 2 07 208 0 1 41 209 0 1 52 210 0 1 43 211 0 2 81 212 0 3 28 213 0 0 12 214 0 0 12 215 1 02 1 43 216 0 1 43 STOP PLAY STOP PLAY STOP PLAY STOP PLAY STOP PLAY IC201 MT1336E IC202 MOTOR IC501 MT1379 IC502 SDRAM IC505 EEPROM IC510 BUFFER IC5A1 FLASH IC5K1 KARAOKE IC601 CS4391 IC602 AMP IC604 MM1623XFBE Q201 Q202 Q203 Q204 Q205 STOP PLAY STOP PLAY STOP PLAY STOP...

Страница 77: ...3 43 3 44 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD LOCATION GUIDE 5600AD ...

Страница 78: ...3 45 3 46 2 KEY P C BOARD 3 TIMER P C BOARD LOCATION GUIDE Solder Side Solder Side ...

Страница 79: ...3 47 3 48 4 SMPS P C BOARD LOACTION GUIDE Solder Side Solder Side 5 5 1CH P C BOARD LOCATION GUIDE ...

Страница 80: ...4 2 1 1 3 Clamp Upper 4 2 2 Tray Disc 4 2 3 Base Assembly Sled 4 3 3 1 Gear Assembly Feed 4 3 3 2 Gear Assembly Middle 4 3 3 3 Gear Assembly Rack 4 3 4 Rubber Rear 4 3 5 Frame Assembly Up Down 4 4 6 Belt Loading 4 4 7 Gear Pulley 4 4 8 Gear Loading 4 4 9 Guide Up Down 4 4 10 PWB Assembly Loading 4 4 11 Base Main 4 4 EXPLODED VIEW 1 Deck Mechanism Exploded View 4 5 CONTENTS SECTION 4 MECHANISM OF D...

Страница 81: ...r Rear Frame Assembly Up Down Belt Loading Gear Pulley Gear Loading Guide Up Down PWB Assembly Loading Base Main 2 Screws 2 Locking Tabs 4 Screws 1 Screw 1 Screw 1 Locking Tab 1 Locking Tab 1 Locking Tab 1 Hook 2Screw 4 1 4 1 4 1 4 1 4 1 4 2 4 3 4 3 4 3 4 3 4 3 4 4 4 4 4 4 4 4 4 4 4 4 4 4 Bottom Bottom Procedure Parts Fixing Type Fig ure Disass embly Note When reassembling perform the procedure in...

Страница 82: ...lamp Assembly Disc from the Holder Clamp 1 1 1 Plate Clamp 1 Turn the Plate Clamp to counterclockwise direction and then lift up the Plate Clamp 1 1 2 Magnet Clamp 1 1 3 Clamp Upper 2 Tray Disc Fig 4 2 1 Insert and push a Driver in the emergency eject hole A at the right side or put the Driver on the Lever B of the Gear Emergency and pull the Lever B in direction of arrow so that the Tray Disc is ...

Страница 83: ... DISASSEMBLY 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 ...

Страница 84: ...ock the Locking Tab L4 in direction of arrow B and then separate the Gear Pulley from the Base Main 8 Gear Loading Fig 4 4 9 Guide Up Down Fig 4 4 1 Move the Guide Up Down in direction of arrow A as Fig A 2 Push the Locking Tab L5 down and then lift up the Guide Up Down to separate it from the Base Main When reassembling place the Guide Up Down as Fig C and move it in direction arrow B until it is...

Страница 85: ......

Страница 86: ... 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 ...

Страница 87: ......

Страница 88: ... FM5 TP 5 C906 79092014 0CH1104K942 CAPACITOR CHIP CERAMIC M L HD 0 1UF 50V Z Y5V F 1508 R TP C907 79092014 0CH1104K942 CAPACITOR CHIP CERAMIC M L HD 0 1UF 50V Z Y5V F 1508 R TP C908 79098709 0CE2274C638 CAPACITOR ELECTROLYTIC 220M SRA 6 3V M FM5 TP 5 C909 79097109 0CE4764J638 CAPACITOR AL ELECTROLYTIC 47UF SRA SS 35V M FM5 TP 5 C910 79092014 0CH1104K942 CAPACITOR CHIP CERAMIC M L HD 0 1UF 50V Z Y...

Страница 89: ...935 79096030 0RH1003C622 RESISTOR METAL GLAZED CHIP 100K OHM 1 16 W 1608 5 00 D R936 79096030 0RH1003C622 RESISTOR METAL GLAZED CHIP 100K OHM 1 16 W 1608 5 00 D R937 79096030 0RH1003C622 RESISTOR METAL GLAZED CHIP 100K OHM 1 16 W 1608 5 00 D R938 79096030 0RH1003C622 RESISTOR METAL GLAZED CHIP 100K OHM 1 16 W 1608 5 00 D R940 79093049 0RH6800C622 RESISTOR METAL GLAZED CHIP 680 OHM 1 16 W 1608 5 00...

Страница 90: ...INION DP7 024A 79096654 5006R 0040A CAP SKEW T DP7 024B 79096655 5006R 0039A CAP SKEW R DP7 025 79096667 4470R 0122A GEAR MIDDLE A DP7 026 79096679 3390R 0015A TRAY DISC DP7 027 79096666 4470R 0123A GEAR MIDDLE B DP7 028 79096670 4370R 0083A SHAFT DECK MECHA DP7 OTHER PU T 029 79096671 4370R 0075A SHAFT PU 030 79096664 4471R 0010A GEAR ASSEMBLY RACK DP7 031 79096646 6716DPH005A PICK UP DVD PVR 502...

Страница 91: ...90PF 50V J NP0 1508 R TP C272 79096598 0CH4391K412 CAPACITOR CHIP CERAMIC M L TC 390PF 50V J NP0 1508 R TP C273 79092019 0CH1333K562 CAPACITOR CHIP CERAMIC M L HD 0 033UF 50V K X7R X 1508 R TP C274 79096596 0CH4471K412 CAPACITOR CHIP CERAMIC M L TC 470PF 50V J NP0 1508 R TP C276 79092023 0CH4100K112 CHIP CAPA CERAMIC M L T C F S 10P 50V D COG 1 6X0 8 R TP C277 79096609 0CH1153K562 CAPACITOR FIXED ...

Страница 92: ...V F 1508 R TP C557 79092014 0CH1104K942 CAPACITOR CHIP CERAMIC M L HD 0 1UF 50V Z Y5V F 1508 R TP C558 79092014 0CH1104K942 CAPACITOR CHIP CERAMIC M L HD 0 1UF 50V Z Y5V F 1508 R TP C559 79092014 0CH1104K942 CAPACITOR CHIP CERAMIC M L HD 0 1UF 50V Z Y5V F 1508 R TP C560 79092014 0CH1104K942 CAPACITOR CHIP CERAMIC M L HD 0 1UF 50V Z Y5V F 1508 R TP C561 79092014 0CH1104K942 CAPACITOR CHIP CERAMIC M...

Страница 93: ...054K638 CAPACITOR ELECTROLYTIC 1 0M SRA SS50V M FM5 TP 5 C631 79098702 0CE1054K638 CAPACITOR ELECTROLYTIC 1 0M SRA SS50V M FM5 TP 5 C632 79098702 0CE1054K638 CAPACITOR ELECTROLYTIC 1 0M SRA SS50V M FM5 TP 5 C633 79092014 0CH1104K942 CAPACITOR CHIP CERAMIC M L HD 0 1UF 50V Z Y5V F 1508 R TP C634 79097106 0CE2264F638 CAPACITOR ELECTROLYTIC 22M SRA 16V M FM5 TP 5 C635 79092014 0CH1104K942 CAPACITOR C...

Страница 94: ... 1M2012 102JT CERATECH TP L504 79091005 6200HJC102A FILTER CIRC EMC HB 1M2012 102JT CERATECH TP L510 79091005 6200HJC102A FILTER CIRC EMC HB 1M2012 102JT CERATECH TP L600 79091005 6200HJC102A FILTER CIRC EMC HB 1M2012 102JT CERATECH TP L601 79091005 6200HJC102A FILTER CIRC EMC HB 1M2012 102JT CERATECH TP L602 79091005 6200HJC102A FILTER CIRC EMC HB 1M2012 102JT CERATECH TP L673 79091005 6200HJC102...

Страница 95: ...0 OHM 1 16 W 1608 5 00 D R255 79093020 0RH0000C622 RESISTOR METAL GLAZED CHIP 0 OHM 1 16 W 1608 5 00 D R256 79093029 0RH1002C622 RESISTOR METAL GLAZED CHIP 10K OHM 1 16 W 1608 5 00 D R257 79093029 0RH1002C622 RESISTOR METAL GLAZED CHIP 10K OHM 1 16 W 1608 5 00 D R258 79093020 0RH0000C622 RESISTOR METAL GLAZED CHIP 0 OHM 1 16 W 1608 5 00 D R259 79093020 0RH0000C622 RESISTOR METAL GLAZED CHIP 0 OHM ...

Страница 96: ... 5 00 D R607 79096480 0RH8201C622 RESISTOR METAL GLAZED CHIP 8 2K OHM 1 16 W 1608 5 00 D R608 79098770 0RH1801C622 RESISTOR METAL GLAZED CHIP 1 8K OHM 1 16 W 1608 5 00 D R609 79098770 0RH1801C622 RESISTOR METAL GLAZED CHIP 1 8K OHM 1 16 W 1608 5 00 D R610 79096480 0RH8201C622 RESISTOR METAL GLAZED CHIP 8 2K OHM 1 16 W 1608 5 00 D R611 79096480 0RH8201C622 RESISTOR METAL GLAZED CHIP 8 2K OHM 1 16 W...

Страница 97: ...622 RESISTOR METAL GLAZED CHIP 0 OHM 1 16 W 1608 5 00 D R6T2 79093020 0RH0000C622 RESISTOR METAL GLAZED CHIP 0 OHM 1 16 W 1608 5 00 D R6U1 79093045 0RH4701C622 RESISTOR METAL GLAZED CHIP 4 7K OHM 1 16 W 1608 5 00 D R6U2 79093047 0RH5601C622 RESISTOR METAL GLAZED CHIP 5 6K OHM 1 16 W 1608 5 00 D R6W1 79098768 0RH1100C622 RESISTOR METAL GLAZED CHIP 110 OHM 1 16 W 1608 5 00 D R6W2 79093025 0RH0752C62...

Страница 98: ...091006 6200HJC901A FILTER CIRC EMC CFI06B1H101MF SAMHWA TP 2 5K IC301 AF000158 0IPRPBB002A IC PERIPHERALS PCM1603KY BUR BROWN 52 TQFP TR IC302 79098737 0IJR458000B IC JRC NJM4580M 8 DMP8 TP OP AMP 2K R IC303 79098737 0IJR458000B IC JRC NJM4580M 8 DMP8 TP OP AMP 2K R IC304 79098737 0IJR458000B IC JRC NJM4580M 8 DMP8 TP OP AMP 2K R JK301 AF000178 6612JH002XA JACK RCA RCA 617A 01 YUQIU Q301 79095008 ...

Страница 99: ...TAL GLAZED CHIP 7 5K OHM 1 10 W 2012 5 00 D R349 79096370 0RH6801D622 RESISTOR METAL GLAZED CHIP 6 8K OHM 1 10 W 2012 5 00 D R350 79096351 0RH1502D622 RESISTOR METAL GLAZED CHIP 15K OHM 1 10 W 2012 5 00 D R361 79096556 0RH3300D622 RESISTOR METAL GLAZED CHIP 330 OHM 1 10 W 2012 5 00 D R362 79096551 0RH5601D622 RESISTOR METAL GLAZED CHIP 5 6K OHM 1 10 W 2012 5 00 D R363 79096365 0RH4701D622 RESISTOR...

Страница 100: ...103 AF000157 0IPMGSH010A IC POWER MANAGEMENT PQ12RD1L SHARP 4PIN TO 220 ST ALTERNATE IC103 79098750 0IPMGFA017A IC POWER MANAGEMENT KA78R12TSTU FAIRCHILD 4P TO 22 ALTERNATE IC103 79098740 0IKE781200S IC KEC KIA78R12PI CU 4P TO 220IS ST 1 IC104 79097152 0IPMGUK001A IC POWER MANAGEMENT SL431 AT AUK 3PIN TO 92 TP PRO ALTERNATE IC104 79094010 0IKE431000A IC KEC KIA431 3 PIN TP IC104 79094020 0ISS43100...

Страница 101: ...25 79093015 0RD3901F608 RESISTOR FIXED CARBON FILM 3 9K OHM 1 6 W 5 TA26 R126 79093004 0RD1001F608 RESISTOR FIXED CARBON FILM 1K OHM 1 6 W 5 TA26 R127 79093054 0RN3601E408 RESISTOR FIXED METAL FILM 3 6K OHM 1 8 W 1 00 TA26 R128 79093053 0RN3301E408 RESISTOR FIXED METAL FILM 3 3K OHM 1 8 W 1 00 TA26 R130 79093005 0RD1002F608 RESISTOR FIXED CARBON FILM 10K OHM 1 6 W 5 TA26 R131 79098761 0RD2201F608 ...

Страница 102: ...TOSHIBA CORPORATION 1 1 SHIBAURA 1 CHOME MINATO KU TOKYO 105 8001 JAPAN ...

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Toshiba SD-4900, Руководство пользователя

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