Toshiba SD-V340SC Service Manual Download Page 100 | Manualshive

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HI-FI/DEMODULATOR IC
IC701
LA72670BM-L-MPB-E

80

9

78

39

38

71

2

49

57

40

37

23

27

26

24

51

4

6

AUDIO_OUT_L

HIFI_H.SW

RF_CONV_A.OUT

SIF OUT

AUDIO_MUTE-H

HIFI_ENV. DET

SCL

SDA

AUDIO_OUT_R

ST_SELECT

FRONT_A_IN-L

FRONT_A_IN-R

HF2

HF_COM

FSC

HF1

FROM_NORMAL_A

TO_NORMAL_A

TUNER/JACK

SYSCON

Y/C/AUDIO/CCD/

HEAD AMP

46

32

36

P.CON+5V

INPUT SW

AMP

AMP

OUTPUT

SW

PNR

DEM

BLOCK

AMP

AMP

LOGIC

15

DBX

NOISE

REDUCTION

11

73

Hi-Fi/DEMODULATOR BLOCK DIAGRAM

74

12

DVD_A_OUT-L

DVD_A_OUT-R

POWER

3

5

AT+5.2V

54

P.CON+9V

ALC

ALC/

MUTE

17

REC_MUTE-H

7

69

REAR_A_IN_L

REAR_A_IN_R

TUNER/JACK

OPERATION/
DISPLAY

F-9

F-10

«
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98
99
100
101
102
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Summary of Contents for SD-V340SC

Page 1: ...200611GRI The above model is classified as a green product 1 as indicated by the underlined serial number This Service Manual describes replacement parts for the green product When repairing this green product use the part s described in this manual and lead free solder 2 For 1 and 2 see the next page INTERNAL PUBLICATION ...

Page 2: ...ement of parts is not only confined to manufacture The same green parts used in manufacture must also be used as replacement parts 2 LEAD FREE SOLDER This product is manufactured using lead free solder as a part of a movement within the consumer products industry at large to be environmentally responsible Lead free solder must be used in the servicing and repair of this product WARNING This produc...

Page 3: ...ns VCR Basic playback DVD Advanced playback DVD Function setup DVD Others 2 Introduction SAFETY PRECAUTIONS WARNING TO REDUCETHE RISK OF FIRE OR ELECTRIC SHOCK do not expose this appliance to rain or moisture CAUTION TO PREVENT ELECTRIC SHOCK DO NOT USE THIS POLARIZED PLUG WITH AN EXTENSION CORD RECEPTACLE OR OTHER OUTLET UNLESS THE BLADES CAN BE FULLY INSERTED TO PREVENT BLADE EXPOSURE ATTENTION ...

Page 4: ... AC Cord Plug One blade is wider than the other AC Outlet Wider Hole and Blade Power source 6 Introduction Notes on handling When shipping the DVD VCR the original shipping carton and packing materials come in handy For fully protection repack the unit as it was originally packed at the factory Do not use volatile liquids such as insect spray near the DVD VCR Do not leave rubber or plastic product...

Page 5: ...pictures Audio Video moving pictures Audio is a trademark of DVD Format Logo Licensing Corporation 9 Introduction SAFETY 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 Connecting to optional audio equipment 20 Introduction Recording a TV program 34 One t...

Page 6: ...ls one channel at a time The are also used to navigate on screen menu system You can directly access specific 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 Notes A clear picture will not be obtained by the D...

Page 7: ...ct 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 VCR to a Y cable adapter not supplied and then connect to your TV Connect the DVD VCR directly to your TV If you connect the DVD VCR to a VCR TV VCR combination or video select...

Page 8: ...ipped with an MPEG2 audio decoder or MPEG2 audio processor Connecting to an amplifier equipped with a digital audio input 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 COAXIAL DIGITAL AUDIO OUT jack of the DVD VCR to the AC ...

Page 9: ...UTO position When the clock is not set DAYLIGHT SAVING TIME setting is not available When there is no DAYLIGHT SAVING TIME in your area al ways select 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 hou...

Page 10: ...or 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 REV To forward the tape Press FWD Forward Reverse picture search mode When the tape is being winded you can switch to picture search mode see page 31 To do this press REV or FWD and hold it down The unit will res...

Page 11: ...TER When the INDEX or is pressed the unit starts search ing the selected INDEX NO and finds the portion Then playback starts automatically To stop the Index Search press STOP Press INDEX or during stop or play mode For Succeeding programs Press INDEX For Preceding programs Press INDEX As many as 9 index points can be accessed via this method 34 Recording VCR Recording a TV program Recording and vi...

Page 12: ...R MENU EJECT ENTER CANCEL MENU DATE START END CH 26 SU TIMER REC 38 Recording VCR Setting procedure To set daily weekly timer To confirm Timer program At step 1 on page 37 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 Wednesd...

Page 13: ...ap pears on the screen the unit will clear the stopped point Press ON STANDBY The DVD VCR turns on Press VCR DVD to select the DVD mode The DVD indicator will light Press OPEN CLOSE The disc tray opens Place a disc on the disc tray With the playback side down There are two different disc sizes Place the disc in the correct guide on the disc tray If the disc is out of the guide it may damage the di...

Page 14: ... or resume stop mode PressC C C C CorD D D D Dtoselectthe Title Track Chapter or Time Press Number buttons 0 9 to input 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 ...

Page 15: ...c contents using the menu When you playback 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 DVD MENU during playback TheDVDmenuappearsonthescreen Press DVD MENU again to resume playba...

Page 16: ...reen Press PLAY to resume playback from the scene point If you press STOP again or unload the disc the unit will clear the stopped point About file browser Notes The thumbnail list is displayed when the FUJICOLOR CD or the Kodak Picture CD are played To display the file browser press TOP MENU In the case of a CD containing a mixture of MP3 WMA JPEG and DivX files the files are played back by selec...

Page 17: ...er View MP3 1 MP3 2 MP3 3 WMA 3 JPEG Preview Edit Mode Browser View Clear Program 58 Function setup DVD Setting procedure Press SETUP during stop mode The following on screen display appears 1 2 3 To clear SETUP screen press SETUP or RETURN 6 Customizing the function settings You can change the default settings to customize performance to your preference ENTER C D B A Press C or D to select the de...

Page 18: ...e can be played back Level 1 DVD software for adults cannot be played back Then press ENTER 3 Press C or D to select from the level 1 to level 8 The limitation will be more severe as the level number is lower 4 Press OPEN CLOSE to activate Parental control setting Notes Depending on the discs the unit cannot limit playback Some discs may not be encoded with specific rating level information though...

Page 19: ...t set to VIDEO Set to VIDEO or equivalent Channel is set to the external mode No sound Check the unit is connected correctly Check the input selector of the amplifier is set properly The unit is in the Special playback mode 14 17 22 14 19 14 19 31 44 Select proper language in the menu options Display is not shown in your language 60 Playback doesn t start No disc is inserted The disc may be dirty ...

Page 20: ...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 21: ...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 22: ...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 23: ... 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 24: ...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 25: ...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 26: ...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 27: ...sage 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 SERECT 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 28: ...D Y C AUDIO CCD HEAD AMP SYSCON OPERATION DISPLAY Hi Fi DEMODULATOR TUNER JACK POWER PRINTED CIRCUIT BOARDS DVD MT VCR MT OPERATION 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 OPERATION LED LOADING MOTOR SW INTERCONNECTION DIAGRAM WAVEFORMS MECHANICAL EXPLODED VIEW C...

Page 29: ...20 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 ...

Page 30: ...w And Flutter Less than 0 01 Wrms Channel Separation More than 60 dB Harmonic Distortion Less than 0 01 G 10 OSD Language English French Spanish G 11 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 12 Display DISPLAY Yes DISPLAY type LED Module Green Rec Timer symbol Red Clock Coun...

Page 31: ...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 32: ...re Search Yes VIDEO PLUS SHOWVIEW G CODE No CH Set Up Add Delete Yes One Touch Playback No Clock Set Yes Calendar 12H Auto CH Memory Yes AREA CODE No Auto Clock Set Yes Index Search Yes SQPB Yes CATV Yes MTS SAP Yes CM Skip 30sec x 6 Times Yes Copy Disc to Tape Yes by Conditioning G 15 Accessories Owner s Manual Language English French w Guarantee Card Yes Remote Control Unit Yes Guarantee Card No...

Page 33: ... Option RCA x 2 L MONO 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 17 Set Size Approx W x D x H mm 430 6 x 228 7 x 89 7 G 18 Weight Net Approx 3 5 kg 7 7lbs Gross Approx 4 5 kg 9 9lbs G 19 Carton Master Carton No Content Sets Material Dimensions W x D x H mm Description of Origin...

Page 34: ...ing 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 MT PCB in the direction of arrow C Remove the 3 screws 5...

Page 35: ... 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 MT 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 MT PCB in the direction of arrow 1 2 3 2 2 2 2 VCR ...

Page 36: ...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 37: ...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 38: ...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 39: ...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 40: ...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 41: ...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 42: ... 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 43: ...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 44: ... 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 45: ...pin FFC When installing the FFC fold it correctly and install it as shown from Fig 3 8 A to Fig 3 8 C 3 8 FFC WIRE HANDLING 1 Do not make the folding lines except the specified positions for the FFC 1 NOTE Fig 3 8 A Proceed the steps 1 through 4 6 pin FFC Fig 3 8 B Printing Surface Reinforcement Plate 55 1mm Fold 1 Printing Surface 10 1mm Fold 3 Printing Surface 60 1mm Fold 4 Printing Surface Prin...

Page 46: ...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 47: ...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 48: ...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 49: ...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 50: ...E 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 to ...

Page 51: ...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 52: ...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 53: ...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 button ...

Page 54: ...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 55: ...DME067A RF SIGNAL CHECK OF DVD PCB RF signal check can be done at the following A F resistance points on the DVD MT PCB DVD MT PCB BOTTOM SIDE D F C A B E C4 3 ...

Page 56: ...el Disk Height Adjustment JG024A APJG024A00 Reel Disk Height Adjustment Jig Reel Disk Height Adjustment JG153 APJG153000 X Value Adjustment Screwdriver X Value Adjustment JG176 APJG176087 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 ...

Page 57: ...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 58: ... 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 59: ...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 60: ...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 61: ...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 62: ...1 CD2001 CP8101 CD4002 CD2302 OPERATION 2PCB VCR MT 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 CD501 CP653 CP103 C P 3 0 0 1 CP8001 TP701 CD683 CD601 OPERATION PCB CP651 CP682 CD103 CP683 ...

Page 63: ... ON 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 41 of IC3001 0V Does display light Is the voltage linked to L506 ...

Page 64: ...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 65: ...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 66: ... 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 67: ...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 68: ...TE insert Check SW3001 Defective CASSETTE or cassette loading block YES YES YES NO NO NO 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 69: ...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 70: ...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 71: ...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 72: ...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 more than 0 6Vp p YES Does the CTL pulse signal more than 0 6Vp p appear at pin 7 of IC3001 ...

Page 73: ...O 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 pin 38 and 39 of IC3001 Check Q3001and Q3002 Change IC3001 ...

Page 74: ...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 75: ...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 76: ...TROUBLESHOOTING GUIDE E 14 YES YES NO 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 77: ...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 78: ... NO NO COLOR DURING SELF RECORDING AND PLAYBACK Is there CHROMA signal at pins 30 and 32 of IC101 Check TU301 IC8002 J653 and circuit around it Is there CHROMA signal at pin 26 of IC101 Check IC8005 and circuit around of J8001 Change IC101 ...

Page 79: ...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 80: ... 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 81: ...ine wave at pin 96 of IC3001 Check IC3001 Check disconnection and short of L101 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 82: ...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 83: ...INPUT JACK OR TUNER Is there video signal at pins 30 and 32 of IC101 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 84: ...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 85: ...Is the 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 Is there audio signal at pin 6 of IC701 Check circuit around of J8001 ...

Page 86: ...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 7 and 69 of IC701 Is there Audio signal at pins 78 and 80 of IC701 Check circuit around of J8001 Check J651 J652 and J8002 ...

Page 87: ... 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 88: ...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 89: ...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 90: ...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 91: ...ES NO DECK DOES NOT ACCEPT OPEN CLOSE Is the voltage at pins 3 and 18 of IC2301 about DC6V Check P CON 6V line of POWER BLOCK YES Is the lose connection at CP2302 to DECK Check CP2302 connection to DECK Check loader block DVD SECTION ...

Page 92: ...oader block YES NO YES Check CP2301 and peripheral circuit Check Q8020 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 93: ... 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 94: ...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 95: ...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 96: ...LED_PWM TRACK FOCUS_PWM SPDL_SENS HA0 HA19 HD0 HD15 SDA0 SDA11 STEREO DAC IC8102 PCM1753DBQR DVD AUDIO R DVD AUDIO L DAC_A B C D E REG 3 3V 1 9V IC IC4003 BA33E00WHFP TR LD HOME TIN SW TOUT SW V SW DVD_H 3 5 13 U B V R Y G 14 11 12 DVD RESET CVBS 1 UNREG 3 8V TX 11 6 7 SPDIF P CON 6V P CON A5V 8 4 3 RX UREG 3 8V 9 1 9V 3 3V TUNER JACK CP8101 F 1 F 2 RF A B C D E F DVD CDPD MD MC ML ASDATA0 AMCLK A...

Page 97: ...QV QH 6dB P R P R V AGC L101 CLAMP EQ AMP LINE AMP MUTE ALC Y C_CS Y C_DATA Y C_CLK H AMP_SW C ROTARY H SW ENV DET COMP DUMMY_V SYNC C SYNC FRONT_V_IN TU REAR_V_IN TO_NORMAL_A FROM_NORMAL_A 2 3 1 5 Q105 BIAS CTL 11 4 P CON 5V AUDIO MUTE H AMP SW C ROT RF SW IN ENV DET COMP OUT Q104 BIAS OSC Q103 SW Q101 Q102 AUDIO PB SW HF1 HF2 Hi Fi DEMODULATOR HF_COM COIL BIAS OSC X101 3 579545MHz VX01 50 49 PLL...

Page 98: ...SW 35 REC SAFTY SW RESET 77 1 2 IC3003 PST3231NR AT 5V M CON SYSTEM RESET 5 6 EEP ROM IC3099 BR24L02F WE2 Y C DATA 54 Y C CLK 53 Y C_DATA Y C_CLK C SYNC 111 C SYNC SCL SDA COMP 101 COMP SEG5 63 SEG1 VCR LED 47 55 SEG_5 SEG_1 VCR_LED ST SELECT 31 HIFI H SW 106 HIFI ENV 32 ST_SELECT HIFI_H SW HIFI_ENV DET POWER MUTE L 87 POWER_MUTE L SDA SCL AUDIO_MUTE H REC_MUTE_H Hi Fi DEMODULATOR DVD_POWER_CTL 45...

Page 99: ...TV VCR_LED SEG3 2G DUB REC_LED SEG1 SEG2 1G VCR T REC_LED OPERATION DISPLAY BLOCK DIAGRAM F 7 F 8 FRONT_A_IN_L FRONT_V_IN AUDIO R J651 2 3 2 2 AUDIO L J652 VIDEO J653 FRONT AV JACK Y C AUDIO CCD HEAD AMP Hi Fi DEMODULATOR FRONT_A_IN_R KEY A KEY B CP682 CP651 FF CUE REW REV PLAY STOP CH UP CH DOWN VCR DVD REC AT 5 2V DVD LED SW Q666 POWER DVD LED 5 KEY A KEY B 2 1 2 1 5 VCR LED D685 VCR LED AT 5 2V...

Page 100: ...RONT_A_IN L FRONT_A_IN R HF2 HF_COM FSC HF1 FROM_NORMAL_A TO_NORMAL_A TUNER JACK SYSCON Y C AUDIO CCD HEAD AMP 46 32 36 P CON 5V INPUT SW AMP AMP OUTPUT SW PNR DEM BLOCK AMP AMP LOGIC 15 DBX NOISE REDUCTION 11 73 Hi Fi DEMODULATOR BLOCK DIAGRAM 74 12 DVD_A_OUT L DVD_A_OUT R POWER 3 5 AT 5 2V 54 P CON 9V ALC ALC MUTE 17 REC_MUTE H 7 69 REAR_A_IN_L REAR_A_IN_R TUNER JACK OPERATION DISPLAY F 9 F 10 ...

Page 101: ...007 MUTE SW SYS_MUTE Y C VIDEO OUT SW V OUT POWER AT 5 2V TUNER JACK BLOCK DIAGRAM Vcc RF_CH_SW 2 CP8001 4 DVD H Y G 3 5 6 PROGRE H AUDIO R 7 8 ZERO DVD RESET DVD_RESET AV SW1 DVD_A_OUT R DVD_A_OUT L SPDIF Q8001 DVD AUDIO DRIVER 8 FSC 2 5 3 DVD AUDIO OUT J8006 AUDIO MUTE Q8008 Q8012 AUDIO_AMP IC8001 RC4580IDR DVD AIDIO L DVD AIDIO R AUDIO L 10 12 CVBS 14 16 U B V R 5 3 2 Y U V OUT J8007 4 3 Y C SE...

Page 102: ... P CON 5V SW Q506 M CON POWER SW Q504 M CON 5V SW AT 12 6V OPERATION DISPLAY TUNER JACK P CON 5V P CON 12V AT 5 2V POWER_FAIL VCR_POWER_ON L AT 5V M CON DVD_POWER_CTL 32V P CON 5V AT 5 2V SYSCON SYSCON SYSCON TUNER JACK TX CP501 7 UNREG 3 8V P CON A5V 3 RX SPDIF 9 4 11 Q513 POWER FAIL SW Q514 POWER FAIL SW TX RX SYSCON P CON 5V P CON 5V Y C AUDIO CCD HEAD AMP Hi Fi DEMODULATOR DVD Q507 CONTROL 6 P...

Page 103: ...2 R2349 R2352 R2350 R2353 C2310_1 CP2302 CP2303 C2314_1 R2324 D2303 D2304 R2327 R2326 C2307 R2328 R2330 R2338 R2335 IC2301 C2341_1 C2328_1 R2304 C2303 R2303 C2302 C2329_1 C2348 R2360 R2355 C2346_1 C2313 W807 R2320 R4086 R4078 R4077 R4088 R4087 W833 C8121 CP2301_1 IC4001 C4074 D8112 C4099 R4037 R4036 C4072 C4026 C4034 C4035 R4012 R4042 R4018 R4016 R8101 C4065 C4080 C4097 C4015 C4052 C4012 C4075 C40...

Page 104: ... D524 D512 D501 C512 Q507 R529 R549 D518 D 5 1 1 C518 W092 W091 W166 C8032 D8004 W021 D8005 C8034 D8006 C8004_1 W098 C8013 Q8004 W164 CP501 W001 R509 W008 W011 W004 W076 W044 W003 R530 W032 W058 W050 W077 C8003_1 D8001 R8011 W095 W094 W151 W801 W121 C8042 W143 W142 CP102_1 W203 W196 R724 W197 W198 W227 W228 W187 TP101 TP701 TP3001 TP3002 W224 W226 W194 W232 W235 W221 R729 R728 W220 W214 W222 L701 ...

Page 105: ...35 R3055 R671 R126 R119 C160 C3002 R3021 C124 C137 C134 C120 C132 C146 C148 C151 R3038 I C 7 0 1 C762 R727 C768 C771 R726 C704 R725 C766 R731 C764 C760 C752 C748 C702 R722 R721 C749 R720 C744 R714 C741 C730 C724 C733 C708 R708 R717 R716 C701 R713 C706 R707 C703 R715 C711 R711 C710 C717 C723 C718 C757 C754 C739 C747 C709 C743 C732 C715 R701 C714 C705 C707 C746 C8058 R8001 R8010 C8055 C8054 C8060 Q5...

Page 106: ...SW1 CD2302 PRINTED CIRCUIT BOARDS G 7 G 8 LOADING MOTOR INSERTED PARTS SOLDER SIDE LOADING MOTOR CHIP MOUNTED PARTS SOLDER SIDE SW SOLDER SIDE D D0 0 RE BLUE OR BL SW2 CD2301 M2602 M2601 ...

Page 107: ... HA7 HA13 DAC_VIDEO_A OPU_C HA8 HA12 DAC_VIDEO_E OPU_D HA9 OPU_E HA10 HD15 OPU_F HA11 HA11 VC HA12 HD7 SPDL_SENS HA13 SPDL_SENS HA14 DVD CDPD HA15 HA10 P H I L DVD_LD HA16 HD14 CD_LD HA17 HA9 RESET SPINDLE_PWM HA18 HD6 SLED_PWM HA19 TRACK_PWM HA8 FOCUS_PWM HD0 HD13 P CON A5V HD1 HD5 P CON 3 3V HD2 HOME HOME VCC 6V HD3 HD4 PM16 M_GND HD5 HD12 HD6 WR ML HD7 HD4 I2C_CLK MC HD8 HD9 I2C_DAT MD HD10 HD1...

Page 108: ... SD_D9 HD6 HA9 SD_D10 SD_D11 SD_D12 SD_D3 SD_D12 HD13 HA8 SD_D13 SD_D11 SD_D4 SD_D14 SD_D15 HD5 HA19 RAMCS0 RAMCS1 SD_D10 SD_D5 RAMRAS HD12 RAMCAS SD_D9 SD_D6 SD_BA0 RAMDQM HD4 WR RAMWE RAMCLK SD_D8 SD_D7 RESET HA0 HA1 HD11 RAMDQM HA2 HA3 RAMDQM RAMWE HA4 HD3 HA5 RAMCLK RAMCAS HA6 HA7 HD10 HA19 RAMRAS HA8 HA9 RAMCS1 HA10 HD2 HA18 HA11 SD_A11 SD_BA0 HA12 HA13 HD9 HA17 SD_A9 RAMCS0 HA14 HA15 SD_A8 S...

Page 109: ...301 1K R2341 6 8 R2340 6 8 R2318 6 8 R2306 6 8 R2321 27K R2326 5 6K R2327 4 7K R2336 390 R2333 220 R2332 220 R2337 10K R2308 10K R2307 75K R2304 2 2 R2303 2 2 R2330 1K R2339 1 2K R2305 10K R2322 4 7K R2320 4 7K R2338 4 7K R2353 100 R2352 100 R2360 33 R2359 82 R2355 1K R2348 3 3K R2356 82 R2347 3 3K R2346 3 3K C2327_1 47 6 3V KA C2341_1 100 6 3V KA C2346_1 47 6 3V KA C2314_1 100 10V KA C2310_1 100 ...

Page 110: ...70 R8112 470 R8101 1K C8119_1 100 6 3V KA C8121 10 25V KA W815 W831 W820 W819 W818 W833 W826 W824 L8101 1uH 0305 L8103 1uH 0305 L8102 1uH 0305 L8105 1uH 0305 L8104 1uH 0305 DAC_VIDEO_A DAC_A_VIDEO DAC_C_VIDEO DAC_VIDEO_C DAC_B_VIDEO DAC_D_DVD_VIDEO DAC_VIDEO_A DAC_E_VIDEO DAC_VIDEO_C DAC_VIDEO_B DAC_VIDEO_B DAC_VIDEO_D DAC_VIDEO_E P CON 5V RESET DAC_VIDEO_D MC DAC_E_VIDEO MD ML AMCLK ABCLK DVD H A...

Page 111: ...7 70 71 72 73 74 75 76 77 78 79 8 80 9 L103 5 6uH COMP H SW ENV DET H AMP_SW C ROTARY Y C_CS Y C_DATA Y C_CLK P CON 5V P CON 5V AUDIO_MUTE H FSC P CON 5V GND DVD_V_OUT TU REAR_V_IN Y C_VIDEO_OUT FSC FSC TO_NORMAL_A FROM_NORMAL_A HF2 4FSC FRONT_V_IN HF_COM HF1 4FSC Y C_CLK Y C_DATA Y C_CS DUMMY_V SYNC V REC_ST H C ROTARY AUDIO_MUTE H CTL P CON 5V CTL H AMP_SW TU REAR_V_IN COMP ENV DET H SW FRONT_V_...

Page 112: ...L_FG PG COMP VIDEO_MUTE H HIFI_ENV DET CYL_DRIVE AT 5 2V CONTROL_IN HIFI_H SW C SYNC AUDIO_MUTE H CYL_DRIVE SCL VSC_L REEL S SDA CYL_FG PG POWER_FAIL ST_SELECT H SW AT 5V M CON HIFI_H SW TAB_SW DVD_LED AT 5 2V VCR_LED AFT S CURVE KEY A KEY B DUMMY_V SYNC HIFI_ENV DET REM_IN ST_SELECT 1G VCR T REC_LED C SYNC KEY A 2G DUB REC_LED EOT 3G TV VCR_LED AT 5V M CON KEY B BOT 4G VSC_LED 5G CS BS_LED SEG_1 ...

Page 113: ...005 220 R8006 68 R8036 75 1 4W R8028 560 1 4W R8042 10K R8045 100K R8013 10K R8048 10K R8039 12K R8031 470 R8046 100K R8057 47K R8041 10K R8050 10K R8030 470 R8038 12K R8055 1 5K R8052 15K R8001 75 C8010_1 10 25V KA C8075_1 47 16V YK C8047_1 470 6 3V YK C315_1 10 25V KA C318_1 10 25V KA C313_1 10 25V KA C8004_1 100 16V YK C8062 470 6 3V YK C8063 470 6 3V YK C8032 4 7 50V KA C8024 47 6 3V KA C8048 ...

Page 114: ...80 R673 180 R663 180 R666 180 R670 180 R667 180 R651 100 1 4W R661 820 R665 180 R664 820 R674 180 R675 820 R671 820 R668 180 R669 820 R676 75 R683 220 R677 2 7K R678 3 3K C653 470 10V YK W807 Q651 KTA1504S_Y_RTK 5G SW Q654 KTA1504S_Y_RTK 4G SW Q665 KTA1504S_Y_RTK 1G SW Q661 KTA1504S_Y_RTK 2G SW Q659 KTA1504S_Y_RTK 3G SW DVD_LED VCR_LED 1G VCR T REC_LED KEY B 2G DUB REC_LED 3G TV VCR_LED 4G VSC_LED...

Page 115: ...M L MPB E HI FI DEMODULATOR IC 1 10 11 12 13 14 15 16 17 18 19 2 20 21 22 23 24 25 26 27 28 29 3 30 31 32 33 34 35 36 37 38 39 4 40 41 42 43 44 45 46 47 48 49 5 50 51 52 53 54 55 56 57 58 59 6 60 61 62 63 64 65 66 67 68 69 7 70 71 72 73 74 75 76 77 78 79 8 80 9 L701 22uH L702 22uH L703 22uH FSC SIF_OUT P CON 9V AUDIO_MUTE H FRONT_A_IN_L FRONT_A_IN_R REAR_A_IN_L REAR_A_IN_R SIF_OUT DVD_A_OUT_L DVD_...

Page 116: ...2 50V YK C519 100 16V YK C508 0 022 B C516 0 0022 250V KY C526 0 0022 250V KY C527 0 001 B C502_1 0 22 275V ECQUL C510 0 022 B C525 680P 2KV R C509 0 018 M C513 220P 2KV R C515 0 01 500V B C524 0 022 B C531 560P 500V B C520 1 F C544 1 B C534 1 F R536 5 6K R552 100 R534 10K 1 2W R547 100K R507 10K R501 3 3M 1 2W 10 R503 1 5M 1 2W R531 10K R530 470K 1 4W R504 560 1 2W R529 680K 1 4W R505 680K 1 4W R...

Page 117: ...H02 2P 1 2 DURING PLAYBACK MEASURED WITH THE DIGITAL TESTER NOTE THE DC VOLTAGE EACH PART WAS OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME R698 2 7K 1 4W R700 3 3K 1 4W R691 15K 1 4W R695 33K 1 4W R692 1 5K 1 4W R686 6 8K 1 4W R699 13K 1 4W R689 3 3K 1 4W R697 12K 1 4W R693 220 1 4W OPERATION2 PCB H 21 H 22 FROM TO OPERATION DISPLAY OPERATI...

Page 118: ...MOTOR LOADING MOTOR DED003 PCB610 DED002 PCB640 BCZ3B52 M2603 CD2302 2H052601 M M 5 4 3 2 1 6 5 4 3 2 1 GND SW FEED MOTOR SPINDLE MOTOR SPINDLE MOTOR FEED MOTOR PICK UP INNER LIMIT SWITCH SW2 JCV9B06 M2601 BCZ3B03 M2602 ESE22MH24 CD2301 2H062102 M SINCE THESE PARTS MARKED BY CAUTION DESCRIBED IN PARTS LIST ONLY CRITICAL FOR SAFETY USE ONES ARE DANS LA NOMENCLATURE DES PIECES N UTILISER QUE CELLS D...

Page 119: ...6 15 14 16 15 14 13 12 11 10 9 7 8 6 5 4 3 2 1 CVBS Y G U B GND V R GND AUDIO L GND AUDIO R ZERO GND DVD H DVD CVBS DVD RESET GND P H I L CP8101_1 MON DVD NC SW VOL DVD GND DVD LD DVD LD CD VOL CD GND CD MON COM RF C B A D F E VCC Vref GND PDIC F F T T DVD CD MON DVD NC SW VOL DVD GND DVD LD DVD LD CD VOL CD GND CD MON COM RF C B A D F E VCC Vref GND PDIC F F T T DVD CD CD8001 TM601 COMMAND TRANSM...

Page 120: ... in the schematic diagram NOTE 1 MPEG MICON DSP RF_AMP 10ns 100mV 2 3 5ns 20mV 20ns 1 0V 4 200ns 1 0V AUDIO VIDEO 8 10µs 200mV 9 10µs 100mV Y C AUDIO CCD HEAD AMP 16 PB 10µs 500mV 17 PB 100ns 100mV PB 1ms 100mV 18 6 7 500µs 1 0V 500µs 1 0V 10 10µs 100mV 12 10µs 200mV 5 200µs 500mV MEMORY 11 10µs 200mV ...

Page 121: ...ic diagram NOTE PB 5ms 500mV 25 PB 5ms 2 0V 27 PB 10µs 200mV 32 TUNER JACK 36 PB 10ms 1 0V Hi Fi DEMODULATOR PB 500µs 200mV 38 41 PB 500µs 100mV TUNER JACK PB 500µs 200mV 39 PB 500µs 200mV 40 REC 5µs 20V 20 PB 1ms 2 0V 37 PB 500µs 1 0V 24 PB 200µs 1 0V 22 POWER ON 50ns 1 0V 23 SYSCON PB 5ms 1 0V 21 PB 200ms 500mV 19 ...

Page 122: ...WAVEFORMS I 3 The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram NOTE PB 5µs 500mV 43 POWER PB 5µs 5 0V 44 42 PB 500µs 100mV ...

Page 123: ... 205 205 205 121 PCB130 DVD MT PCB ASS Y 110 207 110 207 209 208 209 208 PCB010 VCR MT PCB ASS Y 111 104 102 103 109 105 104 202 203 106 116 203 112 202 109 PCB270 OPERATION PCB ASS Y 101P 101 101J 101J 101M 101B 101N 101H 101I 101L 101G 101K 101A 101D 101O 101F 101C 101Q 101P 201 101E PCB280 OPERATION 2 PCB ASS Y 207 207 207 ...

Page 124: ...MECHANICAL EXPLODED VIEW PACKING DIAGRAM J1 2 CD6002 CD6003 TM601 123 124 125 125 126 128 129 130 131 133 132 ...

Page 125: ...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 126: ...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 127: ...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 128: ...02WSA0241 CABINET TOP 115 AE008701 722549A606 SHEET RATING 116 AE008180 752WUAA005 SHIELD JACK 117 AE008243 761WPAA137 HOLDER DECK TOP 118 79091466 761WPA0261 HOLDER DVD BR 119 AE001852 8965TS1010 CUSHION 65TS10 10 10 10 25 120 AE001853 8965TS1017 CUSHION 65TS10 10 17 5 20 14 121 AE008702 723549A063 POP LABEL 122 AE007416 800WFA0074 CUSHION LEG 123 AD301577 791WHA0100 GIFT SHEET 124 AE008182 792WH...

Page 129: ...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 130: ...P100092A 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 SCREW TAP...

Page 131: ...4 D512 BZ410006 D1VT001330 DIODE SILICON 1SS133T 77 D514 BZ410084 D97U01101B DIODE ZENER MTZJ11B T 77 D515 AE008221 D2LXSR2400 DIODE SCHOTTKY SR240 F D516 AE006709 D9WU05R12B DIODE ZENER MTZJ5 1B EIC D518 BZ410006 D1VT001330 DIODE SILICON 1SS133T 77 D519 AE006710 D9WU06R82B DIODE ZENER MTZJ6 8B EIC D522 AE006060 D28T0ERB20 DIODE RECTIFIER 10ERB20 TA1B2 D523 AE006707 D9WU03302B DIODE ZENER MTZJ33B ...

Page 132: ...124EKAT146 Q658 BZ510021 TNYJC05001 COMPOUND TRANSISTOR DTC124EKAT146 Q659 BZ510108 TAAA1504SY TRANSISTOR SILICON KTA1504S_Y_RTK Q660 BZ510021 TNYJC05001 COMPOUND TRANSISTOR DTC124EKAT146 Q661 BZ510108 TAAA1504SY TRANSISTOR SILICON KTA1504S_Y_RTK Q662 BZ510021 TNYJC05001 COMPOUND TRANSISTOR DTC124EKAT146 Q663 BZ510021 TNYJC05001 COMPOUND TRANSISTOR DTC124EKAT146 Q664 BZ510021 TNYJC05001 COMPOUND T...

Page 133: ... 060J411032 RCA JACK MSP 213V1 652_NI_LF J8008 AE008152 063R700013 JACK DIN 409A SWITCHES SW653 BZ612010 0504101T34 SWITCH TACT EVQ21505R SW654 BZ612010 0504101T34 SWITCH TACT EVQ21505R SW655 BZ612010 0504101T34 SWITCH TACT EVQ21505R SW685 AE001707 0504R01T38 SWITCH TACT EVQ11L05R SW686 AE001707 0504R01T38 SWITCH TACT EVQ11L05R SW687 AE001707 0504R01T38 SWITCH TACT EVQ11L05R SW689 AE001707 0504R01...

Page 134: ...E007029 W9L6012042 FLAT CABLE AWM2468 A WG26 2C BLACK 120MM CD4002 AE008158 06CH2B1106 CORD CONNECTOR CH2B1106 CD6002 AE001243 06CPL02006 CABLE CPL02006 CD6003 AE006433 06CPBA2006 CORD RCA PIN TD OR0201R CD8001 AE008162 122F0G0902 CORD JUMPER 2F0G0902 CP2301 AE008156 069KYOT159 CONNECTOR PCB SIDE LD07T2 24ND 03 CP2302 AE005934 069EV53030 CONNECTOR PCB SIDE 00_6232_005_006_800 CP2303 AE005935 069EV...

Page 135: ...TOSHIBA CORPORATION 1 1 SHIBAURA 1 CHOME MINATO KU TOKYO 105 8001 JAPAN ...

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