Toshiba SD-V393SU, Service Manual

Page 1: ...SERVICE MANUAL DVD VIDEO PLAYER VIDEO CASSETTE RECORDER DOCUMENT CREATED IN JAPAN November 2005 SD V393SU2 FILE NO 810 200588 ...

Page 2: ...enance servicing instructions in the literature accompanying the appliance Location of the required Marking The rating sheet and the safety caution are on the rear of the unit CERTIFICATION COMPLIES WITH FDA RADIATION PERFORMANCE STANDARDS 21 CFR SUBCHAPTER J RISK OF ELECTRIC SHOCK DO NOT OPEN CAUTION CAUTION TOREDUCETHERISKOFELECTRIC SHOCK DONOTREMOVECOVER ORBACK NOUSER SERVICEABLE PARTSINSIDE RE...

Page 3: ...you cause a static discharge when touching the unit and the unit fails to function simply unplug the unit from the AC outlet and plug it back in The unit should return to normal operation Polarized AC Cord Plug One blade is wider than the other AC Outlet Wider Hole and Blade Power source IMPORTANT SAFEGUARDS Power source 6 Introduction Notes on handling When shipping the DVD VCR the original shipp...

Page 4: ...ailable DVD R RW discs of DVD video format CD R CD RW discs of CD DA Video CD SVCD MP3 WMA or JPEG format Kodak Picture CD and FUJICOLOR CD format Some of these discs may be incompatible 9 Introduction SAFTY PRECAUTIONS 2 IMPORTANT SAFEGUARDS 3 Power source 5 Precautions 6 Notes on discs 7 Contents 9 Identification of controls 10 Antenna connections 14 Cable TV connections 16 Connecting to a TV 18...

Page 5: ...c channels using Direct channel selection buttons 0 9 Each press of VCR DVD on the remote control switches the screen between the VCR screen VCR mode and the DVD screen DVD mode 1 2 3 Remote control basics Inserting batteries 14 Connections OUT TV IN ANT OUT TV IN ANT OUT TV IN ANT Notes A clear picture will not be obtained by the DVD VCR unless the antenna signal is good Connect the antenna to th...

Page 6: ...ignal flow To wall outlet To video input yellow red white Audio video cable supplied To audio inputs Notes Refer to the owner s manual of the connected TV as well When you connect the DVD VCR to your TV be sure to turn off the power and unplug both units from the wall outlet before making any connections If your television set has one audio input connect the left and right audio outputs of the DVD...

Page 7: ... 2 channel digital stereo You can enjoy the dynamic sound of 2 channel digital stereo by connecting an amplifier equipped with a digital audio input and speaker system right and left front speakers Notes DO NOT connect the BITSTREAM PCM AUDIO OUT jack of the DVD VCR to the AC 3 RF input of a Dolby Digital Receiver This input on your A V Receiver is reserved for Laserdisc use only and is incompatib...

Page 8: ...ct OFF position in step 3 When you want to set the DAYLIGHT SAVING TIME manually on the first Sunday in April you set to ON and on the last Sunday in October you set to OFF ON OFF AUTO for manual setting forward one hour for manual setting back one hour for automatic setting read XDS in the signal DAYLIGHT SAVING TIME ON OFF AUTO ENTER MENU ATLANTIC GMT 4hours EASTERN GMT 5hours CENTRAL GMT 6hours...

Page 9: ...CR selects the playback tape speed SP LP or SLP au tomatically The Cassette tape and DVD disc can be played back simulta neously If you press DVD VCR selector the tape playback and DVD playback alternate with each other on the screen via CH3 4 or video connection 2To start playback Playback Rewind or forward the tape To rewind the tape Press REW To forward the tape Press FF Forward Reverse picture...

Page 10: ...s the counter stops Clock counter display COUNTER CLOCK Press VCR DVD selector The DVD mode and the VCR mode alternate with each other in the display DVD mode VCR mode INDEX NO up to 9 or is displayed STOP VCR DVD INDEX CLOCK COUNTER WhentheINDEX or ispressed theunitstartssearchingtheINDEX NO selectedandfindstheportion thenplaybackstartsautomatically To stop the Index Search press STOP 34 Recordin...

Page 11: ...EC 38 Recording VCR Setting procedure To set daily weekly timer To confirm Timer program At step 1 on the previous page select TIMER REC SET and press ENTER The timer program list will appear on the screen 2 The current day Friday SU SA Sunday to Saturday MO SA Monday to Saturday MO FR Monday to Friday WKL WE WKL TH Weekly Thursday Weekly Wednesday One month later minus one day Weekly e g WKL TU e...

Page 12: ... records the stopped point depending on the disc appears on the screen Press PLAY to resume playback from the scene point If you press STOP again or unload the disc appears on the screen the unit will clear the stopped point Press ON STANDBY The DVD VCR turns on Press VCR DVD SELECT to select the DVD mode The DVD indicator will light Press OPEN CLOSE The disc tray opens Place the disc on the disc ...

Page 13: ...or Chapter Press Number buttons 0 9 to change the number If you input a wrong number press CLEAR Refer to the package supplied with the disc to check the numbers Press ENTER Playback starts When you change the title playback starts from Chapter 1 of the selected title Some discs may not work in the above operation 1 DVD VCD CD Time Title Chapter Enter 0 9 Clear Search 6 Time Title Chapter Enter 0 ...

Page 14: ...select the desired item Some DVDs allow you to select the disc contents using the menu When you play back these DVDs you can select the subtitle language and sound track language etc using the menu 1 Press ENTER The menu continues to another screen Repeat steps 2 and 3 to set the item completely 3 2 Press TOP MENU during playback Title menu appears on the screen Press MENU during playback TheDVDme...

Page 15: ... B Repeat functions You can use Repeat Track or All Random functions and Program playback for MP3 WMA JPEG CD Playback Place a disc on which MP3 or WMA files have been recorded onto the disc tray 1 A file menu screen will appear on the screen Press B B B B B A A A A A or ENTER to select folder 1 72 0 9 Enter Play Mode 2 3 4 5 Japan CD Bay Bridge CLOSE MY EYES DIVE TO BLUE Honey 8 9 10 11 12 flower...

Page 16: ...or doubled In this case select Video Setting details Function setup DVD QSound This DVD video player equipped with a QSound It can produce the effect of being in a cinema or a concert hall On The QSound operates Off The QSound is disengaged Dialogue QSound Off Setup Return Off DRC Std On DRC TV Loud sound such as explosion or similar is toned down slightly when played back This makes it suitable f...

Page 17: ... the batteries are inserted correctly 13 DVD No picture Antenna connection is not correct or antenna cable is disconnected The video channel is not in the correct position or the TV is not set to the video channel 3 or 4 Check the unit is connected correctly The video input selector of the TV is not set to VIDEO Set to VIDEO or equivalent Channel is set to the external mode No sound Check the unit...

Page 18: ... U S A or Puerto Rico 4 Labor service charges for set installation setup adjustment of customer controls and installation or repair of antenna systems are not covered by this warranty Reception problems caused by inadequate antenna systems are your responsibility 5 Warranties extend only to defects in materials or workmanship as limited above and do not extend to any DVD VCR Combination or parts t...

Page 19: ...quired Marking The rating sheet and the safety caution are on the rear of the unit CERTIFICATION COMPLIES WITH FDA RADIATION PERFORMANCE STANDARDS 21 CFR SUBCHAPTER J PREPARATION OF SERVICING The laser diode used for a pickup head may be destroyed with external static electricity Moreover even if it is operating normally after repair when static electricity discharge is received at the time of rep...

Page 20: ...ation transformer for this check Use a leakage current tester Fig 1 or a metering system which complies with Underwriters Laboratories UL 1492 Measure for current from all exposed metal parts of the cabinet to a known earth ground particularly any exposed metal part having a return path to the chassis Any current measured must not exceed 0 5mA Any measurement not within the limits outlined above a...

Page 21: ...al power company For units intended to operate from battery power or other sources refer to the operating instructions GROUNDING OR POLARIZATION This unit is equipped with a polarized alternating current line plug a plug having one blade wider than the other This plug will fit into the power outlet only one way This is a safety feature If you are unable to insert the plug fully into the outlet try...

Page 22: ... equipment turn off the power and unplug all of the equipment from the wall outlet Failure to do so may cause an electric shock and serious personal injury Read the owner s manual of the other equipment carefully and follow the instructions when making any connections SOUND VOLUME Reduce the volume to the minimum level before you turn on the product Otherwise sudden high volume sound may cause hea...

Page 23: ...A DISCHARGE UNIT NEC SECTION 810 20 ANTENNA LEAD IN WIRE GROUNDING CONDUCTORS NEC SECTION 810 21 GROUND CLAMPS POWER SERVICE GROUNDING ELECTRODE SYSTEM NEC ART 250 PART H GROUND CLAMP ELECTRIC SERVICE EQUIPMENT NEC NATIONAL ELECTRICAL CODE S2898A IMPORTANT SAFEGUARDS CONTINUED ...

Page 24: ...e soldering on the short circuit position after the connection of Pick Up PCB and DVD PCB connector NOTE Fig 1 Before your operation please read PREPARATION OF SERVICING Use the Lead Free solder Manual soldering conditions Soldering temperature 350 5 C Soldering time Within 2 seconds Soldering combination Sn 3 0Ag 0 5Cu When Soldering Removing of solder use the draw in equipment over the Pick Up U...

Page 25: ...e Clutch Ass y either derection to wind the Video Tape in the Cassette Case Repeat steps 3 4 Then take out the Video Cassette from the Deck Chassis Be careful not to scratch the tape 1 2 3 4 5 Main Cam Clutch Ass y Main Chassis Front Side Loading Motor Capstan DD Unit Pinch Roller Cam Screw 1 1 2 3 Remove the Top and Front Cabinet Refer to item 1 of the DISASSEMBLY INSTRUCTIONS Rotate the Main Gea...

Page 26: ...lay message PASSWORD CLEAR will appear The 4 digit password has now been cleared 1 2 3 4 5 6 7 8 Turn Unit ON Set the DVD to the Stop Mode Press it in order of SETUP SUBTITLE 3 AUDIO and 0 key of a remote control unit The On Screen Display message will appear The Tray Lock has now been set up Tray cannot be opened by setting the Tray Lock please follow the steps below 1 2 3 4 5 To unlock the Tray ...

Page 27: ...ure soldering iron please be careful not to heat too long Pb free solder will tend to splash when heated too high about 1100 F 600 C All products with the printed circuit board with PbF printing must be serviced with lead free solder When soldering or unsoldering completely remove all of the solder from the pins or solder area and be sure to heat the soldering points with the lead free solder unti...

Page 28: ...CCD HEAD AMP SYSTEM CONTROL OPERATION DISPLAY Hi Fi DEMODULATOR TUNER JACK POWER PRINTED CIRCUIT BOARDS DVD VCR OPERATION 1 OPERATION 2 LOADING MOTOR SW SCHEMATIC DIAGRAMS MPEG MICON DSP MEMORY MOTOR DRIVE AUDIO VIDEO Y C AUDIO CCD HEAD AMP SYSCON TUNER JACK OPERATION DISPLAY Hi Fi DEMODULATOR POWER OPERATION1 2 LOADING MOTOR SW INTERCONNECTION DIAGRAM WAVEFORMS MECHANICAL EXPLODED VIEW CHASSIS EX...

Page 29: ...Forward Reverse NTSC or PAL M SP LP SLP EP 3x 5x 7x 9x 9x 15x Picture Search PAL or SECAM Frame Advance Yes Slow Speed 1 10 G 4 Tuning Broadcasting System US System M System Tuner and System 1Tuner Receive CH Destination US w CABLE CH Coverage 2 69 4A A 5 A 1 A I J W W 1 W 84 Intermediate Picture FP 45 75 MHz Frequency Sound FS 41 25 MHz FP FS 4 50 MHz Preset CH RF Converter Output Yes Channel 3 o...

Page 30: ...VD S N Ratio at Weighted 90dB DVD 42dB VCR at SP Harmonic Distortion 1KHz Typical 0 02 1KHz DVD 1 5 1KHz VCR Frequency Response DVD Mode at DVD 4 Hz 22 KHz DVD Mode at VIDEO CD 4 Hz 20 KHz DVD Mode at CD 4 Hz 20 KHz VCR Mode at SP 100Hz 10 KHz VCR Mode at LP VCR Mode at SLP 100Hz 4 KHz Hi Fi Audio Signal Dynamic Range More than 90dB Frequency Response 20Hz 20kHz Wow And Flutter Less than 0 01 Wrms...

Page 31: ...es Select Files Yes HDMI 480p 1080i 720p No Output Progressive Interlace Open Yes Close Yes No disc Yes Reading Yes Play Yes Still Pause Yes Stop Yes Prohibit Mark Yes Step Yes PBC Yes Skip Yes Skip Yes Random Yes CD VIDEO CD SVCD MP3 WMA JPEG Repeat Yes Slow Yes Slow No Search Yes Search Yes Jump Yes Resume Yes Title No Yes Chapter No Yes Track No Yes Time Yes Subtitle No Yes Angle No Yes Vocal O...

Page 32: ...g Yes ZERO Return Yes Hi Fi Yes G 11 OSD Language English French Spanish G 12 Clock Timer Calendar 1990 1 1 2081 12 31 and Timer Timer Events 8 Program 1 Month Back up One Touch Recording Max Time 6 Hours Timer Back up at Power Off Mode 5sec G 13 Display DISPLAY Yes DISPLAY type LED Module Amber Rec Timer symbol Red Clock Counter CH Timer Rec OTR Play Rec FF Cue Rew Rev Stop ATR Eject No VCR Yes D...

Page 33: ...No UP SET TRACKING Yes DOWN SET TRACKING Yes LEFT CH Yes RIGHT CH Yes VCR DVD Yes TV VCR Yes DVD MENU MENU Yes TITLE TOP MENU Yes SETUP MENU VCR MENU Yes SELECT ENTER Yes CLEAR CANCEL Yes RETURN Yes PLAY Yes STOP Yes PAUSE STILL STEP Yes FF Cue SEARCH Yes REW Review SEARCH Yes REC OTR Yes SKIP INDEX Yes SKIP INDEX Yes AUDIO AUDIO SELECT Yes ANGLE COUNTER RESET Yes SUBTITLE ATR Yes PLAY MODE SPEED ...

Page 34: ...Search Yes VIDEO PLUS SHOWVIEW G CODE No One Touch Playback No Auto CH Memory Yes AREA CODE No Auto Clock Set Yes Index Search Yes SQPB Yes CATV Yes Energy Star No MTS SAP Yes CM Skip 30sec x 6 Times Yes Copy Disc to Tape Yes by Conditioning G 16 Accessories Owner s Manual Language English w Guarantee Card Yes Remote Control Unit Yes Guarantee Card No Registration Card Yes Warning Sheet No Service...

Page 35: ...o Input Option RCA x 2 L R White Red RF Input Output Yes Euro Scart No AC Inlet No Indicator LED Power No Rec No T Rec No TV VCR No DVD Yes GREEN VCR Yes GREEN Surround No Level Meter No G 18 Set Size Approx W x D x H mm 430 x 230 x 89 5 G 19 Weight Net Approx 3 5 kg 7 7lbs Gross Approx 4 5 kg 9 9lbs G 20 Carton Master Carton No Content Sets Material Dimensions W x D x H mm Description of Origin G...

Page 36: ...ldering the Laser may be damaged Unlock the support 1 and remove the Deck Top Holder in the direction of arrow A Remove the 2 screws 2 Remove the 2 screws 3 Disconnect the following connectors CP501 CP8001 Remove the DVD Deck in the direction of arrow B Disconnect the following connectors CP2301 CP2302 CP2303 Remove the 2 screws 4 Remove the DVD PCB in the direction of arrow C Remove the 3 screws ...

Page 37: ...e FE Head Move the Cassette Holder Ass y to the back side Remove the 2 screws 2 Remove the 2 screws 3 Disconnect the following connectors CP101 CP102 CP3001 Remove the VCR Deck in the direction of arrow Fig 1 4 1 5 VCR PCB Refer to Fig 1 5 1 2 3 4 5 Remove the screw 1 Remove the 5 screws 2 Remove the 2 screws 3 Remove the Shiel Jack Remove the VCR PCB in the direction of arrow 1 2 3 2 2 2 2 VCR PC...

Page 38: ...s Top Bracket Top Bracket Main Chassis Main Chassis Cassette Side L Cassette Side R Locker R Fig 2 2 Link Unit 2 3 LINK UNIT Refer to Fig 2 3 Set the Link Unit to the Eject position Unlock the support 1 Remove the A side of the Link Unit first then remove the B side 1 2 3 Fig 2 3 A Link Unit Main Chassis 1 Link Unit B Main Chassis 1 1 NOTE 1 After installation of the Top Bracket bend the support 1...

Page 39: ...nsion Holder hook is set to the position of Fig 2 6 A to move the Tension Arm Ass y Remove the Tension Spring Unlock the 2 supports 1 and remove the Tension Band Unlock the support 2 and remove the Tension Arm Ass y Unlock the support 3 and remove the Tension Connect Float the hook 4 and turn it clockwise then remove the Tension Holder Fig 2 5 C Loading Motor Cassette Opener Fig 2 6 B Tension Band...

Page 40: ...ear NOTE 1 2 3 4 5 6 Take care not to damage the gears of the S Reel and T Reel The Polyslider Washer may on the back of the reel Take care not to damage the shaft Do not touch section A of S Reel and T Reel Use gloves Refer to Fig 2 8 A Touching may leave stains on section A When you install the reel clean the shaft and grease it If you do not grease noise may be heard in FF REW mode After instal...

Page 41: ...ng NOTE 1 2 3 Do not touch the A C Head Use gloves When you install the A C Head Spring install as shown in Fig 2 10 B When you install the A C Head tighten the screw 1 first then tighten the screw 2 finally tighten the screw 3 Fig 2 10 A 1 2 A C Head A C Head Spring A C Head Base Screw Torque 5 0 5kgf cm Screw 1 2 2 3 2 1 Fig 2 10 B Spring Position 2 11 FE HEAD RECORDER ONLY Refer to Fig 2 11 Rem...

Page 42: ...lso can be seen the Main Chassis hole through the Main Cam maker hole Fig 2 14 B Pinch Roller Cam Marker Main Cam 2 15 LOADING GEAR S T UNIT Refer to Fig 2 15 A 1 2 Remove the E Ring 1 and remove the Main Loading Gear Remove the Main Rod Tension Lever Loading Arm S Unit and Loading Arm T Unit 1 Main Loading Gear Main Rod Tension Lever Loading Arm T Unit Loading Arm S Unit Fig 2 15 A 2 13 CAPSTAN D...

Page 43: ...t with inserting the spring of the Clutch Ass y into the dent of the Coupling Gear Refer to Fig 2 16 B Fig 2 16 B Clutch Ass y Coupling Gear 2 17 Remove the P4 Cap Unlock the support 1 and remove the Cassette Guide Post Remove the Inclined Base S T Unit Remove the screw 2 Remove the LED Reflector 1 2 3 4 5 Fig 2 17 A CASSETTE GUIDE POST INCLINED BASE S T UNIT P4 CAP LED REFLECTOR Refer to Fig 2 17...

Page 44: ... the Main Frame Ass y Remove the Main Chassis Ass y 1 2 3 4 Fig 3 2 A Tray Main Frame Ass y Fig 3 1 B Insulator R NOTE 1 Do not disassemble the DVD DECK PARTS except listed parts here Minute adjustments are needed if the disassemble is done If the repair is needed except listed parts replace the DVD MECHA ASS Y 1 1 2 Main Frame Ass y Main Chassis Ass y 2 Screw Torque 2 0 0 5kgf cm NOTE 1 2 In case...

Page 45: ...lt Pulley Gear 1 Main Frame Ass y 3 3 LOADING MOTOR PCB ASS Y LOADING BELT Refer to Fig 3 3 A 1 2 3 4 5 Remove the Loading Belt Remove the screw 1 Remove the 2 screws 2 Remove the Loading Motor PCB Ass y Remove the Pulley Gear Fig 3 3 A 2 2 Loading Motor PCB Ass y Screw Torque 2 5 0 3kgf cm Screw 1 Screw Torque 1 0 0 3kgf cm Screw 2 Rack Loading 1 Main Frame Ass y Main Gear Pulley Gear 2 Fig 3 4 A...

Page 46: ... surface for pressing of the insert Feed Motor Motor Gear NOTE 1 2 3 4 When pushing the Rack Feed in the direction of the arrow it should be restored to the original position by the spring force Refer to Fig 3 7 B In case of the Motor Gear installation check if the value of the Fig 3 7 C is correct When installing the wire of the Switch PCB Ass y install it correctly as Fig 3 7 D After the assembl...

Page 47: ...ompletely Fig 4 2 Blower type IC desoldering machine IC 3 When IC starts moving back and forth easily after desoldering completely pickup the corner of the IC using a tweezers and remove the IC by moving with the IC desoldering machine Refer to Fig 4 3 NOTE Some ICs on the PCB are affixed with glue so be careful not to break or damage the foil of each IC leads or solder lands under the IC when rem...

Page 48: ...eld Wire Refer to Fig 4 7 NOTE Do not absorb the solder to excess Fig 4 7 Soldering Iron IC Braided Shield Wire 4 When bridge soldering between terminals and or the soldering amount are not enough resolder using a Thin tip Soldering Iron Refer to Fig 4 8 Fig 4 8 Thin tip Soldering Iron IC 5 Finally confirm the soldering status on four sides of the IC using a magnifying glass Confirm that no abnorm...

Page 49: ...Flip flop Frequency Generator Front Loading Switch Frequency Modulation Frequency Sub Carrier Forward Generator Ground H I K L M N O P R S H P F H SW Hz IC IF IND INV KIL L LED LIMIT AMP LM LDM LP L P F LUMI M MAX MINI MIX MM MOD MPX MS SW NC NR OSC OPE PB PB CTL PB C PB Y PCB P CON PD PG P P R REC REC C REC Y REEL BRK REEL S REF REG REW REV RVS RF RMC RY S CLK S COM S DATA SEG SEL SENS SER SI SIF...

Page 50: ...on Sync Separator Separation Transistor Tracking Trick Playback Test Point Unregulated Volt Voltage Controlled Oscillator Video Intermediate Frequency Vertical Pulse Voltage Display Video Playback Variable Resistor Video Recording Visual Search Fast Forward Visual Search Rewind Voltage Super Source Vertical Synchronization Voltage Tuning Crystal Luminance Chrominance C1 2 ...

Page 51: ... NOTE Do not use this for normal servicing If you set factory initialization the memories are reset such as the clock setting the channel setting and PLAY REC total hours Standard Time CH DOWN ON STANDBY 2 sec VCR operation mode at no connection of DVD Refer to the PREPARATION FOR SERVICING NOTE Although the DVD is connected the DVD mode cannot be selected Adjust the PG SHIFTER automatically Refer...

Page 52: ...it Clean those parts in contact with the tape Clean the rubber and parts which the rubber touches Replace when rolling becomes abnormal Clean the Head T Brake Band Clutch Ass y Idler Arm Ass y CONFIRMATION OF HOURS USED PLAY REC total hours can be checked on the screen Total hours are displayed in 16 system of notation NOTE If you set factory initialization the total hours is reset to 0 1 2 3 4 Co...

Page 53: ...d in the same manner Refer to the figure below 2 TAPE RUNNING SYSTEM When cleaning the tape transport system use gauze moistened with isopropyl alcohol 3 CYLINDER Wrap a piece of chamois around your finger Dip it in isopropyl alcohol Hold it to the cylinder head softly Turn the cylinder head counterclockwise to clean it in the direction of the arrow Refer to the figure below NOTE Do not exert forc...

Page 54: ...ll close automatically When the No Disc appears on the screen the write will end NOTE Do not turn off the unit or push the tray by hand to close it Up Date error will happen and can not be done with the Up Date of Up Date Disc Unplug the AC cord then plug it in After the write set to the initializing of shipping Set to the DVD mode press both Channel button 4 on the remote control and the REC butt...

Page 55: ...be changed is reached Press ENTER to select DATA When DATA is selected it will blink Again step through the DATA using SET or button until required DATA value has been selected Pressing ENTER will take you back to ADDRESS for further selection if necessary Repeat steps 4 to 7 until all data has been checked When satisfied correct DATA has been entered turn POWER off return to STANDBY MODE to finis...

Page 56: ...C4 3 RF signal check can be done at the following A D resistance points on the DVD PCB RF SIGNAL CHECK OF DVD PCB DVD PCB BOTTOM SIDE DMD020B D C A B ...

Page 57: ...Disk Height Adjustment JG024A APJG024A00 Reel Disk Height Adjustment Jig Reel Disk Height Adjustment JG153 APJG153000 X Value Adjustment Screwdriver X Value Adjustment JG176 APJG176084 Up Date Disc Up Date of the Firmware D1 1 JG185 APJG185000 Tentelometer Confirmation of Tape Tension on Playback PREPARATION FOR SERVICING 1 2 3 How to use the Servicing Fixture While pressing the CH DOWN button on ...

Page 58: ...es 20 2gf in the beginning of playback 1 2 USING A CASSETTE TYPE TORQUE TAPE KT 300NR 1 2 3 After confirmation and adjustment of Tension Post position Refer to item 1 2 load the cassette type torque tape KT 300NR and set to the PLAY mode Confirm that the right meter of the torque tape indicates 50 90gf cm during playback in SP mode Confirm that the left meter of the torque tape indicates 25 40gf c...

Page 59: ... press the Tracking Button to move the envelope The envelope waveform will begin to decrease when you press the Tracking Button Adjust the PG shifter during playback Refer to the ELECTRICAL ADJUSTMENTS 1 2 3 4 5 6 NOTE After adjustment confirm and adjust A C head Refer to item 2 2 Fig 2 1 A Fig 2 1 B NOTE Install the Torque Gauge on the reel disk firmly Press the REW button to turn the reel disk 1...

Page 60: ...on is appeared then adjust the a P4 Cap Fig 2 2 A Fig 2 2 B Audio Control Head Fig 2 2 C TAPE RUNNING ADJUSTMENT X VALUE ADJUSTMENT Confirm and adjust the height of the Reel Disk Refer to item 1 1 Confirm and adjust the position of the Tension Post Refer to item 1 2 Adjust the Guide Roller Refer to item 2 1 Confirm and adjust the Audio Control Head Refer to item 2 2 Connect CH 1 of the oscilloscop...

Page 61: ...USTMENT PARTS LOCATION GUIDE 5 6 7 8 9 10 1 2 3 4 1 Tension Connect 2 Tension Arm 3 Guide Roller 4 Audio Control Head 5 X value adjustment driver hole 6 7 8 9 10 P4 Post T Brake Spring T Reel S Reel Adjusting section for the Tension Arm position ...

Page 62: ...ck Playback the alignment tape Press and hold the ATR button on the remote control more than 2 seconds to set tracking to center Press both CH UP button on the set and the STOP button on the set for more than 2 seconds 1 2 3 4 When you exchange IC and Transistor with a heat sink apply silicon grease on the contact section of the heat sink Before applying new silicon grease remove all the old silic...

Page 63: ...CD2001 CP8101 CD4002 CD501 CD2302 CD681 OPERATION 2 PCB OPERATION 1 PCB VCR PCB TU301 S501 S502 CP501 FE HEAD AC HEAD CD102 AC IN CD8001 D3 2 CP2301 CP2303 CP2302 V651 OS651 J8008 TP101 TP3001 TP3002 J653 J652 J651 J8007 J8006 J8001 J8002 CP102 CP651 CD501 CP652 CP103 C P 3 0 0 1 CP8001 TP701 CP601 CP681 CD601 ...

Page 64: ...N NO VCR SECTION YES NO YES NO YES Check of T501 and peripheral circuit Check of V651 and peripheral circuit Check IC3001 Check of T501 and peripheral circuit Is the voltage at pin 30 of IC3001 0V Does display light Is the voltage linked to L506 E 1 ...

Page 65: ...UPPLY CUT Inserting a cassette and push play button YES YES NO NO Does the power cut after 3 seconds Check CAPSTAN DD UNIT and CYLINDER UNIT Does the power cut after about 6 seconds Check Q3006 Q3008 and CAPSTAN BELT Check the POWER BLOCK ...

Page 66: ...G GUIDE E 3 Check IC3001 Check the DECK BLOCK YES YES NO NO AT PLAYBACK AND RECORDING CYLINDER MOTOR UNLOAD Is the voltage at pin 8 of CP3001 about DC12 6V Check IC502 In playback is at pin 12 of CP3001 about DC2 6V ...

Page 67: ... YES NO NO NO AUDIO SHAKES Is AUDIO HEAD scratched Change AUDIO HEAD At playback is input about 4 5Vp p of a rectangular wave at pin 9 of IC3001 Change CAPSTAN DD UNIT Check IC3001 At playback is pin 5 of CP3001 3 5V Check AUDIO BLOCK ...

Page 68: ...E CASSETTE TAPE CAN NOT BE INSERTED Check WORM GEAR of cassette loading block YES YES YES NO NO NO Does WORM GEAR of cassette loading block move When a CASSETTE can not inserted is pin 25 of IC3001 5V When a CASSETTE is inserted is pin 8 of CP3001 12 6V Check circuit of POWER BLOCK ...

Page 69: ...TE insert Check SW3001 Defective CASSETTE or cassette loading block NO YES YES NO NO YES Does SW3001 and REC LEVER correctly set After inserting CASSETTE is pin 35 of IC3001 0V Correctly SW3001 and REC LEVER set WHEN INSERTING A CASSETTE IT EJECTS IMMEDIATELY ...

Page 70: ...TROUBLESHOOTING GUIDE E 7 Check DECK MECHANISM CAN NOT FF REW YES NO At FF REW does voltage at pin 98 of IC3001 change Check of IC3001 ...

Page 71: ...IATELY Check POWER BLOCK Change IC3001 Check Q3006 and Q3008 YES YES YES YES YES NO NO NO NO NO Does CYLINDER rotate Is there HEAD SW PULSE at TP3002 Is the voltage at pin 2 of CP3001 12V At play is the voltage at pin 12 of CP3001 2 6V Is PG PULSE signal inputted to pin 104 of IC3001 ...

Page 72: ...OUBLESHOOTING GUIDE E 9 5V Change CYLINDER MOTOR Change IC3001 Change CYLINDER MOTOR YES YES NO NO AT PLAY THE PICTURE JITTERS VERTICAL MINUTELY Is FG wave of CP3001 at pin 11 5V Is pin 12 of CP3001 2 6V ...

Page 73: ...O TRACKING DOES NOT OPERATE YES NO NO In auto tracking is the voltage at pin 24 of IC3001 more than DC 0 2V Check CONTROL HEAD Change IC3001 YES more than 0 6Vp p Does the CTL pulse signal more than 0 6Vp p appear at pin 7 of IC3001 ...

Page 74: ... NO WHEN PLAYBACK FF OR REW MODE IS ACTIVE UNIT STOPS IMMEDIATELY Does CAPSTAN DD MOTOR rotate Refer to section CAPSTAN DD MOTOR NOT ROTAING Is there REEL SENSOR PULSE signal at pins 38 and 39 of IC3001 Check Q3001 and Q3002 Change IC3001 ...

Page 75: ...oise on the picture appear By adjusting the MANUAL TRACKING UP DOWN BUTTONS will the line disappear Check P B ENVELOPE Is a height of GUIDE POST maximum The height of GUIDE POST readjust Is PG SHIFTER adjustment 6 5H Adjust PG SHIFTER Is a wave of PB Y unusual Change IC101 and peripheral circuit Change IC101 ...

Page 76: ...ES NOT APPEAR Does E E picture appear Is the voltage of IC101 at pins 23 44 45 52 68 and 77 5V Check POWER BLOCK Is there video signal at pin 26 of IC101 Change IC101 Change IC8005 Is there video signal at pin 2 of IC8005 Is there video signal at pin 19 of IC3001 Check J8001 Change IC3001 ...

Page 77: ...TROUBLESHOOTING GUIDE E 14 NO YES YES NO AT PLAYBACK THE COLER DOES NOT APPEAR Is there color signal in video signal at pin 26 of IC101 Is there video signal at pin 26 of IC101 Change X tal Change IC101 ...

Page 78: ...GUIDE E 15 YES YES NO NO PLAYBACK PICTURE IS NOISY EVEN AFTER CLEANING HEADS Is noisy a wave of video signal at pin 26 of IC101 Is noisy a wave of video signal of EMITTER of Q8004 Check J8001 Check Q8004 Check CYLINDER ...

Page 79: ... NO COLOR DURING SELF RECORDING AND PLAYBACK Is there CHROMA signal at pins 30 and 32 of IC101 Check TU301 IC8002 J653 J8002 and circuit around it Is there CHROMA signal at pin 26 of IC101 Check IC8005 and circuit around of J8001 Change IC101 ...

Page 80: ...section E E DOES NOT APPEAR Is the voltage at pin 6 of IC101 about 2 5V Check A C HEAD Check circuit around at pin 10 of IC101 Check circuit around at pins 78 and 80 of IC701 Is there audio signal at pin 10 of IC101 Is there audio signal at pins 78 and 80 of IC701 Check whether there are not a damage dirt in AUDIO HEAD ...

Page 81: ... 18 YES YES NO NO CAPSTAN DD MOTOR NOT ROTATING Check POWER BLOCK Change IC3001 In playback is there voltage at pin 102 of IC3001 2 5V DD MOTOR rotate now If not replace it In playback is there voltage at pin 2 of CP3001 12V ...

Page 82: ...ine wave at pin 96 of IC3001 Check IC3001 Check disconnection and short of L102 Is there audio signal at pins 76 78 and 80 of IC101 Is there voltage of base of Q103 about 5V Check IC701 and the circuit from TUNER or audio input jack to IC701 Change Q103 Change L101 Is there a sine wave at pin 5 of L101 Check lead wire of A C HEAD and CONNECTOR ...

Page 83: ...E E 20 YES YES NO NO THE CASSETTE INSERT BUT THE TAPE DOES NOT MOVE Does the mode appear at display Does operate with remote control Check operation PCB Check LOADING MOTOR and MODE SENSOR RELATION DEPARTMENT Check IC3001 ...

Page 84: ...INPUT JACK OR TUNER Is there video signal at pins 30 and 32 of IC 101 Is the BASE of Q103 5V Is the voltage at pin 96 of IC3001 5V Check circuit of video signal from VIDEO IN or TUNER to IC101 Change IC3001 Change IC101 Is there video signal at pin 26 of IC101 Check CYLINDER UNIT and circuit around of CP101 ...

Page 85: ...oes normality AUDIO JACK CONNECT Connection is done over again Check POWER BLOCK Are there the voltage of B 5V and TU 32V of TU301 Check the picture Is there video signal at pin 17 of TU301 Change TU301 Change IC101 Change IC3001 Is there video signal at pin 26 of IC101 Is there video signal at pin 19 of IC3001 Check J8001 ...

Page 86: ...e voltage at pin 77 of IC101 5V Refer to section E E AUDIO STEREO DOES NOT APPEAR Check POWER BLOCK Is the voltage at pin 95 of IC3001 5V Change IC3001 Check J651 and J652 or J8002 Change IC701 Is there audio signal at pins 9 and 71 or pins 7 and 69 of IC701 Is there audio signal at pin 6 of IC701 Check circuit around of J8001 ...

Page 87: ...s the voltage at pins 5 15 and 32 of IC701 5V Is the voltage at pins 3 and 54 of IC701 9V Check POWER BLOCK Check POWER BLOCK Change IC701 Is there Audio signal at pins 9 and 71 of IC701 Is there Audio signal at pins 78 and 80 of IC701 Check circuit around of J8001 Check J651 J652 and J8002 ...

Page 88: ... AUDIO MONO appear Refer to section E E AUDIO MONO DOES NOT APPEAR Check circuit around of TU301 at pin 14 Change IC701 Check IC701 Is there signal at pin 57 of IC701 Is there audio signal at pins 78 and 80 of IC701 Is there audio signal a collector of Q8005 and Q8006 Check circuit around of J8001 ...

Page 89: ...tion E E AUDIO STEREO DOES NOT APPEAR Does E E AUDIO STEREO appear At the time of channel change does the display of a stereo come out to the screen Is there audio signal at pin 57 of IC701 Check circuit around of TU301 at pin 14 Change IC701 Check IC701 Is there audio signal a emitter of Q8005 and Q8006 Check circuit around of J8001 Change IC701 Is there audio signal at pins 78 and 80 of IC701 ...

Page 90: ...ear Does NORMAL PB AUDIO appear Is there audio signal at pins 24 and 27 of IC701 Is there audio signal at pins 78 and 80 of IC701 Check circuit around of J8001 Refer to section E E AUDIO STEREO DOES NOT APPEAR Refer to section AT PLAY AUDIO DOES NOT APPEAR Check circuit of HEAD AMP and CYLINDER UNIT Change IC701 ...

Page 91: ...o recording is there audio signal at pins 7 9 69 and 71 of IC701 Is there audio signal at pins 78 and 80 of IC701 At recording and play is there signal at pins 7 8 and 9 of CP101 Check IC701 Check CYLINDER UNIT Change IC701 Check circuit around of J651 J652 J8002 and TU301 Refer to section E E AUDIO MONO DOES NOT APPEAR ...

Page 92: ...DOES NOT ACCEPT OPEN CLOSE Is the voltage at pin 3 and 14 of IC2301 about DC9V Check P CON 9V line of POWER BLOCK YES Is the lose connection at CP2302 and CP2303 to DECK Check CP2302 and CP2303 connection to DECK Check loader block DVD SECTION ...

Page 93: ...ader block YES NO YES Check CP2301 and peripheral circuit Check IC8003 and peripheral circuit NO YES Change IC4001 Is there a voltage beam current at JG017 and JG018 Is there a signal at pins 160 162 165 and 167 of IC4001 Is there video signal at pin 150 of IC4001 NO ...

Page 94: ... 31 NO PLAYBACK PICTURE OF S VIDEO JACK Is there Y signal at pin 151 of IC4001 NO YES REFER TO NO PLAYBACK PICTURE OF AV JACK YES NO Check J8008 and peripheral circuit Is there VIDEO signal at pin 153 of IC4001 Change IC4001 ...

Page 95: ...ut 1 8V Check P CON 3 3V line on POWER BLOCK Change IC4001 YES NO NO YES YES NO NO YES Check J8008 and peripheral circuit Is there Y signal at pin 151 of IC4001 REFER TO NO PLAYBACK PICTURE OF S VIDEO JACK Is there VIDEO signal at pin 153 of IC4001 REFER TO NO PLAYBACK PICTURE OF AV JACK Is there C signal at pin 153 of IC4001 ...

Page 96: ...TROUBLESHOOTING GUIDE E 33 NO AUDIO ON PLAYBACK Is there AUDIO signal at pins 7 and 8 of IC8102 YES Check IC8102 and peripheral circuit NO Change IC4001 ...

Page 97: ...01B 101I 101N 101G 101H 101M 101A 101F 101D 101K 101J 101C 211 101 PCB270 OPERATION 1 PCB ASS Y 208 208 208 PCB130 DVD PCB ASS Y 104 208 104 208 205 205 207 207 202 209 112 116 118 202 202 113 203 203 114 107 210 115 210 106 201 201 102 PCB010 VCR PCB ASS Y 202 103 119 120 117 109 110 110 202 111 206 108 ...

Page 98: ...MECHANICAL EXPLODED VIEW PACKING DIAGRAM J1 2 CD6002 CD6003 TM601 121 122 123 123 124 127 128 129 130 131 132 126 125 ...

Page 99: ...05 332 507 335 342 322 508 324 319 506 501 H5002 323 508 341 331 334 333 314 301 313 307 300 316 336 302 345 317 AA AA AA AA AA AA AA AA AA AA AA AA M101 304 CD1502 510 318 Applying positions AA for the grease are displayed for this section Check if the correct grease is applied for each position NOTE CLASS GREASE MARK AA ...

Page 100: ...27 343 326 328 AA AA AA AA AA AA AA AA AA AA AA CD1501 CD1502 AA 339 AA AA 320 501 Applying positions AA for the grease are displayed for this section Check if the correct grease is applied for each position NOTE CLASS GREASE MARK AA CHASSIS EXPLODED VIEW BOTTOM VIEW J2 2 ...

Page 101: ...04 612 614 615 613 602 609 611 AA AA AA AA AA AA AA AA AA AA AA Do not replace the parts Because minute adjustments are needed if this condition is disassembled further more If the repair is needed replace the DVD MECHA ASS Y SW2 PCB640 SW PCB ASS Y CD2001 CD2301 M2602 603 601 605 605 606 702 705 703 SW1 PCB610 LOADING MOTOR PCB ASS Y CD2302 701 607 604 705 617 616 618 Cannot supply by a unit 619 ...

Page 102: ...07952 SHEET JACK 115 AE001853 8965TS1017 CUSHION 65TS10 10 17 5 20 14 116 79091466 761WPA0261 HOLDER DVD BR 117 BZ710659 752WSA0290 SHIELD COMPO 118 AE007977 761WSA0278 ANGLE FRONT 119 BZ710466 752WSA0230 SHIELD CASE H AMP 120 BZ710331 753WUAA006 SPRING EARTH H AMP 121 AD301577 791WHA0100 GIFT SHEET 122 AE006734 792WHA0601 PACKAGE FRONT 123 AE006733 792WHA0603 PACKAGE BACK 124 AE006735 793WCD1619 ...

Page 103: ...NSION 331 BZ710093 85OP400492 HOLDER TENSION 332 BZ710366 85OP400520 CAP P4 333 BZ710762 85OP400542 BAND TENSION 334 BZ710540 85OP400533 CONNECT TENSION 335 BZ710541 85OP600573 ARM BRAKE T 336 BZ710763 85OP600584 BAND BRAKE T 337 BZ710543 85OP600577 CAM PINCH ROLLER 338 BZ710544 85OP600578 CAM MAIN 339 AE005843 85OP600585 ROD MAIN 340 BZ710546 85OP600582 GEAR JOINT 341 BZ710110 85OP800322 SPRING T...

Page 104: ...E003548 92P100092A TRAY 616 AE003535 92P100089A RACK FEED 1 617 AE003536 92P100090A RACK FEED 2 618 AE003543 92P300020A SPRING RACK FEED 619 BZ710149 800WFAA008 CUSHION C 701 AE003530 811022680U SCREW TAP TITE P BIND 2 6 8 CH 702 AE003554 814011723U SCREW PAN M1 7 2 3 P3 CH 703 AE003555 816112080U SEMS TAP TITE P PAN W10 2 8 CH 704 AE003556 814011730U SCREW PAN M1 7 3 P3 CH 705 AE003557 811022080U...

Page 105: ...T 77 D513 BZ410085 D2WXN40050 DIODE SILICON 1N4005 EIC D514 AD300070 D97U01201B DIODE ZENER MTZJ12B T 77 D515 BZ410033 D28T21DQN4 DIODE SCHOTTKY 21DQ04N TA2B1 D516 BZ410020 D97U05R11B DIODE ZENER MTZJ5 1B T 77 D518 BZ410006 D1VT001330 DIODE SILICON 1SS133T 77 D519 BZ410022 D97U06R81B DIODE ZENER MTZJ6 8B T 77 D522 AE006060 D28T0ERB20 DIODE RECTIFIER 10ERB20 TA1B2 D523 BZ410037 D97U03301B DIODE ZEN...

Page 106: ... T6YJ1037K0 TRANSISTOR SILICON 2SA1037AKT146R S Q655 BZ510021 TNYJC05001 COMPOUND TRANSISTOR DTC124EKAT146 Q656 BZ510021 TNYJC05001 COMPOUND TRANSISTOR DTC124EKAT146 Q657 BZ510021 TNYJC05001 COMPOUND TRANSISTOR DTC124EKAT146 Q658 BZ510021 TNYJC05001 COMPOUND TRANSISTOR DTC124EKAT146 Q659 BZ510001 T6YJ1037K0 TRANSISTOR SILICON 2SA1037AKT146R S Q660 BZ510021 TNYJC05001 COMPOUND TRANSISTOR DTC124EKAT...

Page 107: ...291244 JACKS J651 AE006693 060J421038 RCA JACK MSP 281V30 A J652 AE006692 060J401097 RCA JACK MSP 281V41 B J653 AE006692 060J401097 RCA JACK MSP 281V41 B J8001 AE002758 060J411031 RCA JACK MSP 213V1 432_NI_LF J8002 AE002759 060J431020 RCA JACK MSP 213V2 432_NI_LF J8006 AE002760 060J411033 RCA JACK MSP 213V1 732_NI_LF J8007 AE002761 060J411032 RCA JACK MSP 213V1 652_NI_LF J8008 AE002813 063D700008 ...

Page 108: ...E IMSA 9604S 05F CP652 AE006695 069WV6002A CONNECTOR PCB SIDE TOC B06X B1 CP681 AE001711 069J750019 CONNECTOR PCB SIDE IMSA 9604S 05Z13 CD4002 AE007190 06C32B1104 CORD CONNECTOR C32B1104 CD6002 AE001243 06CPL02006 CABLE CPL02006 CD6003 AE006433 06CPBA2006 CORD RCA PIN TD OR0201R CD8001 AE004683 122F0E1001 CORD JUMPER 2F0E1001 CP2301 AE003571 069GYOT119 CONNECTOR PCB SIDE 09 5000 024 001 001 CP2302...

Page 109: ...TOSHIBA CORPORATION 1 1 SHIBAURA 1 CHOME MINATO KU TOKYO 105 8001 JAPAN ...