Toshiba SD-25VLSR Service Manual
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Toshiba SD-25VLSR Service Manual

Toshiba SD-25VLSR Service Manual

Dvd video player & vhs video cassette recorder
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FILE NO. 810-200447
SERVICE MANUAL
DVD VIDEO PLAYER &
VHS VIDEO CASSETTE
RECORDER
SD-25VLSR
Oct.,2004 O

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Summary of Contents for Toshiba SD-25VLSR

  • Page 1 FILE NO. 810-200447 SERVICE MANUAL DVD VIDEO PLAYER & VHS VIDEO CASSETTE RECORDER SD-25VLSR Oct.,2004 O...
  • Page 2 åÓ‰Âθ SD-25VLSR êÛÍÓ‚Ó‰ÒÚ‚Ó ÔÓ ˝ÍÔÎÛ‡Ú‡ˆËË MODEL SD-25VLSR USER GUIDE DIGITAL VIDEO íÓθÍÓ ‰Îfl ‰ËÒÍÓ‚ Ò „ËÓ̇θÌ˚ÏË ÍÓ‰‡ÏË Region discs only BˉÂÓχ„ÌËÚÓÙÓÌ Ë DVD-ÔÓË„˚‚‡ÚÂθ Video Recorder/DVD Video Player 04/07 U ENGLISH Precautions Precautions Thank you for purchasing this DVD/VCR. The DVD/VCR can play back both DVD discs and Audio CDs.

  • Page 3: Table Of Contents

    Precautions Features SOME DOS AND DON'TS ON THE SAFE USE OF EQUIPMENT Video Cassette Recorder • High Quality (HQ) Images • Repeat This equipment has been designed and manufactured to meet international safety stand- • On-Screen Displays (OSD) • On-Screen Display in 2 Lan- ards but, like any electrical equipment, care must be taken if you are to obtain the best •...

  • Page 4: Display

    Display Remote control Page Display window Select to operate VCR Select to operate DVD Power on/off Direct channel selection of TV 18,30,32 Input setting 17,19,20,33,43,46 Enter a security code 58,59 Scart Input or AV-Front input 12,34,38 OPEN/CLOSE Open or Close the tray 40,41,59 CLOCK COUNTER Change the front Display mode ANGLE...

  • Page 5: Playback Connection

    Playback connection Playback connection Component video outputs/inputs The exact arrangement you use to interconnect various video and audio components to the DVD/VCR is dependent on the model and features of each component. Check the Owner's Manual provided with each component for the PROGRESSIVE outputs/inputs location of SCART socket.

  • Page 6: Sound System Selection

    Clock setting Sound system selection Preparation: Set the Sound System according to Your DVD/VCR is fitted with a 24 hour Preparation: clock. your TV set or residential area. • Turn ON the TV and set to the video input mode. •...

  • Page 7: Manual Tv Station Presetting

    Mapping TV stations Mapping TV stations TO MOVE THE TV STATION TO ANOTHER CHANNEL Skipping unwanted TV stations Preparation: POSITION (Skip those TV stations that are not • Turn ON the TV and set to the video input mode. wanted to be selected by pressing the •...

  • Page 8: Loading And Unloading A Cassette Tape

    Cassette tape playback Loading and Unloading a Cassette Tape Preparation: Use only video cassette tapes marked • Turn ON the TV and set to the video input mode. Loading • Press VCR to select the VCR mode. (The VCR indicator will light.) Insert the cassette tape with its labeled side facing up and Push the center of the tape until it is automatically Load a prerecorded tape...
  • Page 9 Counter Display Video Index Search System ZERO RETURN function Whenever a recording is begun an Preparation Example: Indexing of TV commercials. invisible index mark is recorded on This function makes tape-rewinding • Turn ON the TV and set to the video input mode. stop at the counter 00:00:00 position the tape.
  • Page 10 One-Touch Timer Recording (OTR) Timer-Recording The one-touch timer recording feature Preparation Timer recording can be programmed Preparation provides a simple and convenient way • Turn ON the TV and set to the video input mode. on the TV-screen with the remote con- •...
  • Page 11 An Audio CD can contain several items. Recording unit These are assigned to tracks. (not Recording unit Playback unit supplied) SD-25VLSR TV-Scart socket • Select the “AV2” in menu On handling Discs SYSTEM SETUP screen in the same way as (not supplied) CLOCK SET LANGUAGE/üáúIK...

  • Page 12: Playing A Disc

    Playing a disc Playing a disc This section shows you the basics on how to play a disc. To obtain a higher quality picture Occasionally, some picture noise not usually visible during a normal broadcast may appear on the TV screen Basic playback while playing a DVD video disc because the high resolution pictures on these discs include a lot of Preparations:...

  • Page 13: Marking Desired Scenes

    Marking desired scenes Repeat playback/A-B Repeat playback The unit stores the points that you want to watch again up to 3 points. You can resume playback from each scene. Marking the scenes Returning to the scenes Repeat playback A-B Repeat playback A-B repeat playback allows you to repeat material between Press MARKER during playback or stop mode.

  • Page 14: Changing Soundtrack Language/Setting Surround Sound

    Changing soundtrack language/Setting surround sound Subtitles/Karaoke playback Karaoke playback Subtitles Changing soundtrack language When playing back a disc recorded with subtitles, you can You can turn the vocal on or off recorded on the DVD You can select the language when you play a multilingual disc. select the subtitle language or turn the subtitle off.

  • Page 15: Customizing The Function Settings

    MP3/WMA/JPEG operation MP3/WMA/JPEG operation MP3/WMA CD playback JPEG CD playback Slide show playback The slide show enables you to view pictures (files) one Place a disc on which JPEG files have been Place a disc on which MP3 or WMA files have Press STOP to end playback.

  • Page 16: Temporary Disabling Of Rating Level By Dvd Disc

    Customizing the function settings Customizing the function settings Setting details Sound Picture Display Language On screen display can be switched on or off when you Language Picture Sound Parental Other Language Picture Sound Parental Other Language Picture Sound Parental Other press the buttons.

  • Page 17: Language Code List

    Language code list Problems and troubleshooting Enter the appropriate code number for the initial settings “Menu”, “Subtitle” and/or “Audio” (see page 56). Use the following check list for troubleshooting when you have problems with your unit. Consult your local dealer or service outlet if problems persist.
  • Page 18 IMPORTANT WARNING CAUTION: DVD PLAYER IS A CLASS 1 LASER PRODUCT. HOWEVER THIS PLAYER USES A VISIBLE LASER BEAM WHICH COULD CAUSE HAZARDOUS RADIATION EXPOSURE IF DIRECTED. BE SURE TO OPERATE THE PLAYER CORRECTLY AS INSTRUCTED. THE FOLLOWING CAUTION LABEL IS LOCATED ON THE REAR PANEL OF THE PLAYER. CLASS 1 LASER PRODUCT (Printed on the Rear Panel)
  • Page 19 WHEN REPLACING DVD DECK [ When the removal of the DVD Deck ] Before removing Pick Up PCB and DVD PCB connector, make the short circuit on the position as shown Fig. 1 using a soldering. If you remove the DVD Deck with no soldering, the Laser may be damaged.
  • Page 20 TAPE REMOVAL METHOD AT NO POWER SUPPLY Remove the Top Cabinet, Front Cabinet and DVD Block. (Refer to item 1 of the DISASSEMBLY INSTRUCTIONS.) Remove the screw 1 of the Deck Chassis and remove the Loading Motor. (Refer to Fig. 2) Rotate the Pinch Roller Cam in the direction of the arrow by hand to slacken the Video Tape.
  • Page 21 CONTENTS A1-1 IMPORTANT WARING ....................... A1-1 SERVICING NOTICES ON CHECKING ..................HOW TO ORDER PARTS ......................A1-1 A1-2 WHEN REPLACING DVD DECK ....................A1-2 PREPARATION OF SERVICING ....................A1-3 TAPE REMOVAL METHOD AT NO POWER SUPPLY .............. A1-3 DISC REMOVAL METHOD AT NO POWER SUPPLY ............... A1-3 PARENTAL CONTROL - RATING LEVEL ................

  • Page 22: General Specifications

    GENERAL SPECIFICATIONS Outline of the product DVD VIDEO PLAYER & VHS Player / Recorder DVD System Color System DVD, CD-DA, CD-R/RW, VIDEO CD, Disc SVCD DVD-R/RW (VIDEO FORMAT ONLY) Disc Diameter 120 mm , 80 mm Deck Disc Loading System Front Disc Loading Motor 3 Motors...
  • Page 23 GENERAL SPECIFICATIONS Power Power Source 110~240V 50Hz Power Consumption 21 W at 230V 50Hz Stand by 5 W at 230V 50Hz Per Year -- W Protector Power Fuse Safety Circuit IC Protector (Micro Fuse) Regulation Safety CE,GOST[From '04 JUN O/R] Radiation GOST Temperature...
  • Page 24 GENERAL SPECIFICATIONS G-10 On Screen Menu Display (DVD) Menu Type Character Language Menu Subtitle Audio Picture TV Screen Size OSD Display On/Off JPEG Interval Select Files E.B.L. (Enhanced Black Level) Sound DRC (Dynamic Range Control) Dialogue On:DRC (TV)/ Off:DRC (Std) dts Decode Output (5.1ch/ 2ch) Surround On/Off...
  • Page 25 GENERAL SPECIFICATIONS On Screen Menu Display (VCR) Menu Type Character Timer Rec Set Auto Repeat On/Off VCR Set-Up Color System NICAM Auto/Off CH Set-Up CH Tuning Auto Tuning CH Mapping Guide CH Set System Set-Up Clock Set s(Calendar 24H) Language AV2 DEC/AV (LINE) RF Output G-CODE (or SHOWVIEW or PLUSCODE) No.
  • Page 26 GENERAL SPECIFICATIONS G-14 Remote Unit RC-KB Control Glow in Dark Remocon Power Source Voltage(D.C) UM size x pcs UM-4 x 2 pcs Total Keys 48 Keys Keys Power 0/AV DVD MENU MARKER(MEMORY) RETURN OPEN/CLOSE CLOCK / COUNTER SUB TITLE/ATR ANGLE/COUNTER RESET JUMP/ZERO RETURN PLAY MODE/SPEED ZOOM...
  • Page 27 GENERAL SPECIFICATIONS Features Auto Head Cleaning (VCR) Auto Tracking Index Search HQ (VHS Standard High Quality) Auto Power On, Auto Play, Auto Rewind, Auto Eject Auto Repeat Auto Power Off VIDEO PLUS+ (SHOWVIEW, G-CODE) Auto Set Up (CH Auto Set Up/ Auto Clock) Remote Control Code 1/2/3/4 SQPB (PAL SP Mode Only) REC END Search...
  • Page 28 GENERAL SPECIFICATIONS G-17 Interface Switch Front Power Play Eject (VCR) Stop Rec/OTR Open/Close (DVD) CH + CH - FF/ Search(>>) Rew/Search(<<) Still/Pause Shuttle (Search/REV/FWD) DVD/VCR Main Power SW Rear Attenuator S-Video/RGB Selector RF Out (Slide SW) Main Power SW Volume Phones Volume Mic Volume Echo Volume...

  • Page 29: Disassembly Instructions

    DISASSEMBLY INSTRUCTIONS 1. REMOVAL OF MECHANICAL PARTS 1-3: DVD DECK/DVD PCB (Refer to Fig. 1-3) AND P.C. BOARDS Make the short circuit on the position as shown Fig. 1-3 using a soldering. If you remove the DVD Deck with no 1-1: TOP CABINET, FRONT CABINET, OPERATION 1/2 soldering, the Laser may be damaged.
  • Page 30 DISASSEMBLY INSTRUCTIONS 1-4: VCR DECK (Refer to Fig. 1-4) NOTE Do not remove the cable at the FE Head section. The FE Head may be damaged if you remove the cable by force. Remove the screw 1. Remove the FE Head. Move the Cassette Holder Ass’y to the back side.

  • Page 31: Removal Of Vcr Deck Parts

    DISASSEMBLY INSTRUCTIONS 2. REMOVAL OF VCR DECK PARTS NOTE In case of the Locker R installation, check if the one 2-1: TOP BRACKET (Refer to Fig. 2-1) position of Fig.2-3-B are correctly locked. Extend the 2 supports 1. When you install the Cassette Side R, be sure to move Slide the 2 supports 2 and remove the Top Bracket.
  • Page 32 DISASSEMBLY INSTRUCTIONS 2-6: LOADING MOTOR/WORM (Refer to Fig. 2-6-A) 2-7: TENSION ASS'Y (Refer to Fig. 2-7-B) Remove the screw 1. Turn the Pinch Roller Cam clockwise so that the Remove the Loading Motor. Tension Holder hook is set to the position of Fig. 2-7-A Remove the Worm.
  • Page 33 DISASSEMBLY INSTRUCTIONS 2-8: T BRAKE ARM/T BRAKE BAND (Refer to Fig. 2-8-A) Remove the T Brake Spring. Idler Gear Turn the T Brake Arm clockwise and bend the hook Idler Arm Ass'y section to remove it. Unlock the 2 supports 1 and remove the T Brake S Reel Band.
  • Page 34 DISASSEMBLY INSTRUCTIONS 2-10: CASSETTE OPENER/PINCH ROLLER BLOCK/ P5 ARM ASS'Y (Refer to Fig. 2-10-A) Unlock the support 1 and remove the Cassette Opener. Remove the Pinch Roller Block and P5 Arm Ass'y. Cassette Opener Spring Position Fig. 2-11-B 2-12: FE HEAD (RECORDER ONLY) (Refer to Fig. 2-12) Pinch Roller Block Remove the screw 1.
  • Page 35 DISASSEMBLY INSTRUCTIONS 2-14: CAPSTAN DD UNIT (Refer to Fig. 2-14) Remove the Capstan Belt. Remove the screw 1. Pinch Roller Cam Remove the Capstan Holder. Remove the 3 screws 2. Marker Remove the Capstan DD Unit. Main Cam Capstan Belt Capstan Holder Fig.
  • Page 36 DISASSEMBLY INSTRUCTIONS 2-17: CLUTCH ASS'Y/RING SPRING/CLUTCH LEVER/ Cassette Guide Post CLUTCH GEAR (Refer to Fig. 2-17-A) Remove the Polyslider Washer 1. Remove the Clutch Ass'y and Ring Spring. Inclined Base S Inclined Base T Unit Remove the Clutch Lever. Unit Remove the Coupling Gear, Coupling Spring and Clutch Gear.

  • Page 37: Removal Of Dvd Deck Parts

    DISASSEMBLY INSTRUCTIONS 3. REMOVAL OF DVD DECK PARTS NOTE In case of the Main Chassis Ass'y, install it from (1) to NOTE (4) in order. (Refer to Fig. 3-2-B) 1. Do not disassemble the DVD DECK PARTS except In case of the Main Chassis Ass'y installation, hook the listed parts here.
  • Page 38 DISASSEMBLY INSTRUCTIONS NOTE 3-5: CLAMPER ASS'Y (Refer to Fig. 3-5-A) In case of the Pulley Motor installation, check if the Press the Clamper and rotate the Clamper Plate clockwise, then unlock the 3 supports 1. value of the Fig. 3-3-B is correct. When installing the Loading Motor PCB Ass'y, install it Remove the Clamper Plate, Clamper Magnet and correctly as Fig.
  • Page 39 DISASSEMBLY INSTRUCTIONS Insulator (R) ~ SPINDLE MOTOR ~ Main Chassis Ass'y (Top Side) YELLOW (2) • Install wire from (1) to (4) in order. GREEN (1) ~ FEED MOTOR ~ Fig. 3-6-C ORANGE (4) BLUE (3) 3-7: SWITCH PCB ASS'Y/MIDDLE GEAR/FEED MOTOR (Refer to Fig.

  • Page 40: Removal And Installation Of Flat Package Ic

    DISASSEMBLY INSTRUCTIONS REMOVAL AND INSTALLATION OF When IC starts moving back and forth easily after desoldering completely, pickup the corner of the IC using FLAT PACKAGE IC a tweezers and remove the IC by moving with the IC desoldering machine. (Refer to Fig. 4-3.) REMOVAL NOTE Put the Masking Tape (cotton tape) around the Flat...
  • Page 41 DISASSEMBLY INSTRUCTIONS INSTALLATION When bridge-soldering between terminals and/or the soldering amount are not enough, resolder using a Thin- Take care of the polarity of new IC and then install the tip Soldering Iron. (Refer to Fig. 4-8.) new IC fitting on the printed circuit pattern. Then solder each lead on the diagonal positions of IC temporarily.

  • Page 42: Key To Abbreviations

    KEY TO ABBREVIATIONS Audio/Control H.SW Head Switch Automatic Color Control Hertz Audio Erase Integrated Circuit Automatic Frequency Control Intermediate Frequency Automatic Fine Tuning Indicator AFT DET Automatic Fine Tuning Detect Inverter Automatic Gain Control Killer Amplifier Left Antenna Light Emitting Diode A.PB Audio Playback LIMIT AMP...
  • Page 43 KEY TO ABBREVIATIONS SYNC Synchronization SYNC SEP Sync Separator, Separation Transistor TRAC Tracking TRICK PB Trick Playback Test Point UNREG Unregulated Volt Voltage Controlled Oscillator Video Intermediate Frequency Vertical Pulse, Voltage Display V.PB Video Playback Variable Resistor V.REC Video Recording Visual Search Fast Forward Visual Search Rewind Voltage Super Source...

  • Page 44: Service Mode List

    SERVICE MODE LIST This unit provided with the following SERVICE MODES so you can repair, examine and adjust easily. To enter to the SERVICE MODE function, press and hold both buttons simultaneously on the main unit or on the main unit and on the remote control for more than a standard time in the appropriate condition.

  • Page 45: Preventive Checks And Service Intervals

    PREVENTIVE CHECKS AND SERVICE INTERVALS The following standard table depends on environmental conditions and usage. Parts replacing time does not mean the life span for individual parts. Also, long term storage or misuse may cause transformation and aging of rubber parts. The following list means standard hours, so the checking hours depends on the conditions.
  • Page 46 PREVENTIVE CHECKS AND SERVICE INTERVALS CLEANING 2. TAPE RUNNING SYSTEM When cleaning the tape transport system, use the NOTE gauze moistened with isopropyl alcohol. After cleaning the heads with isopropyl alcohol, do not 3. CYLINDER run a tape until the heads dry completely. If the heads are not completely dry and alcohol gets on the tape, Wrap a piece of chamois around your finger.

  • Page 47: Re-Write For Dvd Firmware

    RE-WRITE FOR DVD FIRMWARE Turn on the power, and set the DVD mode. Confirm that the “No Disc” will be appeared on the screen. Open the DVD tray. Press both Channel button (6) on the remote control and the REC button on the set for more than 2 seconds. Press OPEN/CLOSE button on the unit to check if all the keys on the unit do not function.

  • Page 48: When Replacing Eeprom (Memory) Ic

    WHEN REPLACING EEPROM (MEMORY) IC If a service repair is undertaken where it has been required to change the MEMORY IC, the following steps should be taken to ensure correct data settings while making reference to TABLE 1. NOTE: No need setting for after INIT FC. Table 1 Connect the set to TV Monitor.

  • Page 49: Rf Signal Check Of Dvd Pcb

    RF SIGNAL CHECK OF DVD PCB RF signal check can be done at the following A~D resistance points on the DVD PCB. DVD PCB (BOTTOM SIDE) R2604 C4-3...

  • Page 50: Servicing Fixtures And Tools

    SERVICING FIXTURES AND TOOLS Alignment Tape Back tension cassette gauge Torque cassette gauge Taper nut driver (KT-300NR) ST-C6 ST-C7 70909103 70909199 70909228 VTR cleaning kit VTR lubrication kit Grease JG002B Adapter JG002E Dial Torque Gauge (10~90gf•cm) JG002F (60~600gf•cm) JG022 Master Plane JG024A Reel Disk Height JG153 X Value Adjustment JG154 Cable...

  • Page 51: Mechanical Adjustments

    MECHANICAL ADJUSTMENTS 1. CONFIRMATION AND ADJUSTMENT 1-2: CONFIRMATION AND ADJUSTMENT OF TENSION POST POSITION Read the following NOTES before starting work. Set to the PLAY mode. • Place an object which weighs between 450g~500g on Adjust the adjusting section for the Tension Arm the Cassette Tape to keep it steady when you want to position so that the Tension Arm top is within the make the tape run without the Cassette Holder.
  • Page 52 MECHANICAL ADJUSTMENTS 1-4: CONFIRMATION OF VSR TORQUE NOTE Install the Torque Gauge (JG002F) and Adapter (JG002B) If the torque is out of the range, replace the following parts. on the S Reel. Set to the Picture Search (Rewind) mode. Check item Replacement Part (Refer to Fig.1-4-B) Idler Ass’y/Clutch Ass’y...
  • Page 53 MECHANICAL ADJUSTMENTS 2-2: CONFIRMATION AND ADJUSTMENT OF AUDIO/ 2-3: TAPE RUNNING ADJUSTMENT CONTROL HEAD (X VALUE ADJUSTMENT) When the Tape Running Mechanism does not work well, Confirm and adjust the height of the Reel Disk. adjust the following items. (Refer to item 1-1) Confirm and adjust the position of the Tension Post.
  • Page 54 MECHANICAL ADJUSTMENTS 3. MECHANISM ADJUSTMENT PARTS LOCATION GUIDE 1. Tension Connect P4 Post 2. Tension Arm T Brake Spring 3. Guide Roller T Reel 4. Audio/Control Head S Reel 5. X value adjustment driver hole Adjusting section for the Tension Arm position D2-4...

  • Page 55: Electrical Adjustments

    ELECTRICAL ADJUSTMENTS Read and perform this adjustment when repairing the circuits or replacing electrical parts or PCB assemblies. 1. BASIC ADJUSTMENT CAUTION When you exchange IC and Transistor for a heat sink, apply the silicon grease on the contact section of the heat sink.
  • Page 56 ELECTRICAL ADJUSTMENTS 2. ELECTRICAL ADJUSTMENT PARTS LOCATION GUIDE (WIRING CONNECTION) VCR PCB CD501 J8001 S502 AC IN S501 CP102 CP8001 CP103 FE HEAD AC HEAD TP301 TP102 CP501 TP3001 CP652 CP651 V651 CP681 OPERATION2 PCB CD681 CP601 CP602 FRONT JACK PCB CD501 OS601 CP603...

  • Page 57: Troubleshooting Guide

    TROUBLESHOOTING GUIDE (VCR SECTION) POWER DOES NOT TURN ON Is the voltage Check of pin 14 Does display light? linked to D520? and peripheral circuit. Check of V651 and peripheral circuit. Is the voltage at Check IC3001. pin 8 of IC3001 5.1V? Check of T501 and peripheral circuit.
  • Page 58 TROUBLESHOOTING GUIDE THE POWER SUPPLY CUT Inserting a cassette and push PLAY button. Check CAPSTAN DD UNIT Does the power cut after 3 seconds? and CYLINDER UNIT. Check Q3008, Q3009 Does the power cut and CAPSTAN BELT. after about 6 seconds? Check Q3008, Q3009, IC3001 Does intermittently and sag of CAPSTAN BELT.
  • Page 59 TROUBLESHOOTING GUIDE AT PLAYBACK AND RECORDING, CYLINDER MOTOR UNLOAD Check at 12.6V line, Is the voltage at pin 8 of POWER BLOCK. CP3001 about DC12.6V? In playback, is at pin 12 of Check IC3001. CP3001 about DC2.5V? Change CYLINDER MOTOR.
  • Page 60 TROUBLESHOOTING GUIDE AUDIO SHAKES Is AUDIO HEAD Change AUDIO HEAD. scratched? At playback, is input about Change CAPSTAN DD UNIT. 4.5Vp-p of a rectangular wave at pin 85 of IC3001? At playback, is pin 5 of Check IC3001. CP3001 3.5V? Check AUDIO BLOCK.
  • Page 61 TROUBLESHOOTING GUIDE The CASSETTE TAPE CAN NOT BE INSERTED Does WORM GEAR of Check WORM GEAR cassette loading block of cassette loading block. move? When a CASSETTE can Check LED of DECK, not inserted, is pin 4 of PHOTO SENSOR. IC3001 5V ? When a CASSETTE is Change...
  • Page 62 TROUBLESHOOTING GUIDE WHEN INSERTING A CASSETTE, IT EJECTS IMMEDIATELY Defective CASSETTE Does another CASSETTE or cassette loading block. insert? Does SW3001 and Correctly SW3001 REC LEVER and REC LEVER set. correctly set ? After inserting CASSETTE, is pin 84 Check SW3001. of IC3001 0V ? Check IC3001.
  • Page 63 TROUBLESHOOTING GUIDE CAN NOT FF/REW At FF/REW, does voltage Check of IC3001. at pin 11 of IC3001 change? Check DECK MECHANISM.
  • Page 64 TROUBLESHOOTING GUIDE TAPE LOADING IS OK, BUT UNLOADS IMMEDIATELY Is the voltage Does CYLINDER at pin 2 of CP3001 Check POWER BLOCK. rotate? 12V ? At play, is the voltage at pin 12 of CP3001 2.6V ? Change CYLINDER unit. Is PG PULSE signal Is there HEAD SW inputted to pin 90...
  • Page 65 TROUBLESHOOTING GUIDE AT PLAY, THE PICTURE JITTERS VERTICAL MINUTELY Is FG wave of CP3001 Change at pin 11 5V ? CYLINDER MOTOR. Change IC3001. Is pin 12 of CP3001 2.6V ? Change CYLINDER MOTOR.
  • Page 66 TROUBLESHOOTING GUIDE AUTO TRACKING DOES NOT OPERATE Does the CTL pulse signal (about 2.5Vp-p) In auto tracking, is the Check CONTROL HEAD. voltage at pin 6 of IC3001 appear at pin 97 of IC3001. 2.5Vp-p more than DC 0.2V? Change IC3001. E-10...
  • Page 67 TROUBLESHOOTING GUIDE WHEN PLAYBACK, FF OR REW MODE IS ACTIVE, UNIT STOPS IMMEDIATELY Refer to section "CAPSTAN Does CAPSTAN DD DD MOTOR NOT MOTOR rotate? ROTAING". Is there REEL SENSOR PULSE signal at pin 79 and 80 Check Q3008 and Q3009. of IC3001.
  • Page 68 TROUBLESHOOTING GUIDE AT PLAY, PICTURE JITTERS HORIZONTALLY Does a noise on the picture appear? By adjusting the MANUAL TRACKING UP/DOWN Check P/B ENVELOPE. BUTTONS, will the line disappear? The height of GUIDE POST Is a height of GUIDE POST readjust. maximum? Is PG SHIFTER Adjust PG SHIFTER.
  • Page 69 TROUBLESHOOTING GUIDE AT PLAYBACK, THE PICTUER DOES NOT APPEAR Is the voltage of IC101 at Does E-E picture Check POWER BLOCK. pin 22, 47, 60 and 92 5V? appear? Is there video signal Change IC101. of IC101 at pin 29? Is there video signal Check IC8005.
  • Page 70 TROUBLESHOOTING GUIDE AT PLAYBACK, THE COLER DOES NOT APPEAR Is there color signal in Is there video signal at pin Change X'tal. video signal at pin 29 of 29 of IC101. IC101. Change IC101. E-14...
  • Page 71 TROUBLESHOOTING GUIDE PLAYBACK PICTURE IS NOISY (EVEN AFTER CLEANING HEADS) Is noisy a wave of video Check CYLINDER. signal at pin 29 of IC101? Is noisy a wave of video signal Check IC8001. at pin 7 of IC8001? Check J8001. E-15...
  • Page 72 TROUBLESHOOTING GUIDE NO COLOR DURING SELF RECORDING AND PLAYBACK Is there CHROMA signal at Check TU301, IC8002, J601 pin 17 and 19 of IC101. and circuit around it. Is there CHROMA signal at Change IC101. pin 29 of IC101. Check IC8001 and circuit around of J8001.
  • Page 73 TROUBLESHOOTING GUIDE AT PLAY, AUDIO DOES NOT APPEAR Refer to section "E-E DOES At E-E, does audio appear? NOT APPEAR". Does AUDIO signal Check C119 and peripheral appear at pin 96 of IC101 circuit. 6mVp-p? Does AUDIO signal Change IC101. appear at pin 6 of IC101 1Vp-p? Check AUDIO HEAD for DEBRIS...
  • Page 74 TROUBLESHOOTING GUIDE CAPSTAN DD MOTOR NOT ROTATING In playback, is there voltage Check POWER BLOCK. at pin 8 of CP3001 12.6V? Is the voltage at pin 3 of Check POWER BLOCK. CP3001 5V? In playback, Check the voltage at pin 5 of CP3001 Change IC3001.
  • Page 75 TROUBLESHOOTING GUIDE THE AUDIO CAN NOT RECORD Is the voltage at pin 2 Check POWER circuit. Is bias level at L102 OK? of L102 5V? Is the voltage at pin 29 Change IC3001. of IC3001 about 5V? L102 is broken or shorted. Check the circuit between Is there audio signal pin 98 of IC101 to pin 6 of...
  • Page 76 TROUBLESHOOTING GUIDE THE CASSETTE INSERT, BUT THE TAPE DOES NOT MOVE Check LOADING MOTOR and Does the mode MODE SENSOR appear at display? RELATION DEPARTMENT. Does operate with Check IC3001. remote control? Check operation PCB. E-20...
  • Page 77 TROUBLESHOOTING GUIDE RECORDING MECHANISM WORKS, BUT NO VIDEO RECORD FROM INPUT JACK OR TUNER Check circuit of video signal from Is there video signal at VIDEO IN or pin 17 and 19 of IC 101? TUNER to IC101. Is the voltage at pin 41 Is the BASE of Change IC3001.
  • Page 78 TROUBLESHOOTING GUIDE E-E DOES NOT APPEAR (THE PICTURE DOES NOT APPEAR FROM TUNER) Does normality AUDIO JACK Connection is done over again. CONNECT? Are there thevoltage Check POWER BLOCK. of MB(5V) and TU(32V) of TU301? Check the picture. Is there video signal at Change TU301.
  • Page 79 TROUBLESHOOTING GUIDE E-E AUDIO (MONO) DOES NOT APPEAR Refer to section "E-E AUDIO Does E-E AUDIO (STEREO) DOES NOT APPEAR". (STEREO) appear? Is the voltage at pin 46 Check POWER BLOCK. of IC101 5V? Is the voltage at pin 74 of Change IC3001.
  • Page 80 TROUBLESHOOTING GUIDE E-E AUDIO (STEREO) DOES NOT APPEAR Is the voltage at pin 5, Check POWER BLOCK. 15 and 32 of IC701 5V? Is the voltage at pin Check POWER BLOCK. 3 of IC701 9V? Is there Audio signal at Check J602 and J603.
  • Page 81 TROUBLESHOOTING GUIDE TUNER AUDIO(MONO) DOES NOT APPEAR Refer to section "E-E AUDIO Does E-E AUDIO (MONO) DOES NOT APPEAR". (MONO) appear? Does audio signal Check pin 16 of TU301. appear at pin 2 of IC801? Does audio signal appear Change IC801. at pin 30 and 31 of IC801? Does audio signal...
  • Page 82 TROUBLESHOOTING GUIDE TUNER AUDIO (STEREO) DOES NOT APPEAR Refer to section "TUNER AUDIO Does TUNER AUDIO (MONO) DOES NOT APPEAR". (MONO) appear? Refer to section "E-E AUDIO Does E-E AUDIO (STEREO) DOES NOT APPEAR". (STEREO) appear? At the time of channel Change IC701.
  • Page 83 TROUBLESHOOTING GUIDE PB AUDIO (Hi-Fi) DOES NOT APPEAR Does E-E AUDIO Refer to section "E-E AUDIO (STEREO) appear? (STEREO) DOES NOT APPEAR". Refer to section "AT PLAY, Does NORMAL PB AUDIO DOES NOT APPEAR". AUDIO appear? Check circuit of HEAD AMP Is there audio signal at and CYLINDER UNIT.
  • Page 84 TROUBLESHOOTING GUIDE Hi-Fi AUDIO CAN NOT RECORD Refer to section "E-E AUDIO Does E-E AUDIO appear? (MONO) DOES NOT APPEAR". AT state of video recording, Check circuit around of J602, is there audio signal at J603 and TU301. pin 10 and 11 of IC701? Is there audio signal at Change IC701.

  • Page 85: Dvd

    TROUBLESHOOTING GUIDE (DVD SECTION) DECK DOES NOT ACCEPT OPEN/CLOSE Is the voltage at pin 3 and Check P.CON 9V line of 14 of IC2301 about DC9V ? POWER BLOCK. Is the lose connection Check CD2301 and CD2302 at CD2301 and CD2302 connection to DECK.
  • Page 86 TROUBLESHOOTING GUIDE NO PLAYBACK PICTURE OF AV JACK Is there a voltage Check loader block. (beam current) at TP40 and TP42? Is there a signal at pin Check CP2601 9,10,11 and 12 of and peripheral circuit. IC2601? Check IC8001, IC8002 Is there video signal at and peripheral circuit.
  • Page 87 TROUBLESHOOTING GUIDE NO PLAYBACK PICTURE OF S-VIDEO JACK Check J8007 and Is there Y signal at peripheral circuit. pin 161 of IC4001 ? REFER TO "NO PLAYBACK Is there VIDEO signal PICTURE OF AV JACK ". at pin 162 of IC4001 ? Change IC4001.
  • Page 88 TROUBLESHOOTING GUIDE NO COLOR PLAYBACK PICTURE OF S-VIDEO JACK Check J8007 and Is there C signal at peripheral circuit. pin 162 of IC4001 ? REFER TO Is there Y signal at "NO PLA-VIDEO JACK". pin 161 of IC4001? Is there VIDEO signal REFER TO "NO PLAYBACK at pin 162 of IC4001? PICTURE OF AV JACK"...
  • Page 89 TROUBLESHOOTING GUIDE NO AUDIO ON PLAYBACK Check IC8102 and Is there AUDIO signal at pin 7 and 8 of IC8102 ? peripheral circuit. Change IC4001. E-33...
  • Page 90 MECHANICAL EXPLODED VIEW PCB130 (DVD PCB ASS'Y) PCB010 (VCR PCB ASS'Y) PCB270 PCB260 (OPERATION 1 PCB ASS'Y) (FRONT JACK PCB ASS'Y) 101C 101J 101G 101F 101H 101E 101D 101K 101I 101L 101A 101B PCB280 101K (OPERATION2 PCB ASS'Y) J1-1...
  • Page 91 MECHANICAL EXPLODED VIEW (PACKING DIAGRAM) 127, 128, 129, 130 CD602, CD6002 TM601 J1-2...
  • Page 92 CHASSIS EXPLODED VIEW (TOP VIEW) CD1501 M2003 UN4001 H5002 H5001 CD1502 M101 NOTE: Applying positions AA for the grease are CLASS MARK displayed for this section. GREASE Check if the correct grease is applied for each position. J2-1...
  • Page 93 CHASSIS EXPLODED VIEW (BOTTOM VIEW) M2001 CD1501 CD1502 NOTE: Applying positions AA for the grease are CLASS MARK displayed for this section. GREASE Check if the correct grease is applied for each position. J2-2...
  • Page 94 DVD DECK EXPLODED VIEW Cannot supply separately. If the repair is needed, replace the LOADER SUB ASS'Y. M2603 PCB610 CD2301 (LOADING MOTOR PCB ASS'Y) CD2302 PCB640 CD2001 (SW PCB ASS'Y) Do not replace the parts. Because, minute adjustments are needed if this condition is disassembled further more.
  • Page 95 MECHANICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description AE004988 7A701A196A FRONT CABI ASS'Y 101A AE004989 701WPJC788 CABINET,FRONT 101B AE002739 711WPDA644 PLATE,DISPLAY 101C AE002740 712WPBA081 FLAP,VCR 101D AE004990 712WPJC062 FLAP,DVD 101E AE001167 7230007689 SHEET,LED 101F AE001847 7235490018 BADGE,BRAND 101G AE002742 736WPJA007...
  • Page 96 CHASSIS REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description AE005000 A2E240T420K DECK ASSY A2E240T420K AE002754 85OA400240 PINCH ROLLER BLOCK (VA) BZ710682 85OA500026 AHC ASS'Y BZ710193 85OP200290 BELT,CAPSTAN (S) BZ710515 85OP600581 WORM BZ710094 85OP500083 BASE,AC HEAD BZ710112 85OP800324 SPRING,AC HEAD AE005001 85OA000516 MAIN CHASSIS ASS'Y...
  • Page 97 DVD DECK REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description AE005002 A2E231T650 DVD MECHA ASS'Y A2E231T650 AE005003 92P100109A HOLDER,TRAVERSE AE003550 92P100094A CLAMPER AE003551 92P100088A GEAR,MOTOR AE005414 92P100108A GEAR,MIDDLE AE003538 92P200013A INSULATOR(F) AE003539 92P200014A INSULATOR(R) AE004323 92SBB0019A LOADER SUB ASS'Y AE003541 92P100095A GEAR,PULLEY...
  • Page 98 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description RESISTORS R101 AE001790 R803R9222J 2.2K OHM 1/16W R102 79091263 R803R93R3J 3.3 OHM 1/16W R103 AE001784 R803R9103J 10K OHM 1/16W R104 AE001890 R803R9221J 220 OHM 1/16W R105 AE002145 R803R9153J 15K OHM 1/16W R106 AE002145 R803R9153J...
  • Page 99 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description RESISTORS R651 AE000362 R002T4821J 820 OHM 1/4W R653 AE003232 R803R9181J 180 OHM 1/16W R655 AE000362 R002T4821J 820 OHM 1/4W R656 AE003232 R803R9181J 180 OHM 1/16W R658 AE003232 R803R9181J 180 OHM 1/16W R659 AE000362 R002T4821J...
  • Page 100 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description RESISTORS R2326 AE001895 R803R9392J 3.9K OHM 1/16W R2327 AD302345 R803R9472J 4.7K OHM 1/16W R2328 AD302345 R803R9472J 4.7K OHM 1/16W R2329 AE004247 R803R91R2J 1.2 OHM 1/16W R2330 AE001783 R803R9102J OHM 1/16W R2331 AE004090 R803R9471F...
  • Page 101 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description RESISTORS R3021 AE001781 R803R9101J 100 OHM 1/16W R3022 AE001781 R803R9101J 100 OHM 1/16W R3023 BZ210192 R002T4223J 22K OHM 1/4W R3024 AE002151 R803R9391J 390 OHM 1/16W R3025 AE001891 R803R9223J 22K OHM 1/16W R3026 AE001891 R803R9223J...
  • Page 102 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description RESISTORS R4059 AE001283 R803R9470J OHM 1/16W R4060 AE001783 R803R9102J OHM 1/16W R4061 AE001893 R803R9332J 3.3K OHM 1/16W R4064 AE001283 R803R9470J OHM 1/16W R4068 AE001283 R803R9470J OHM 1/16W R4070 AE001797 R803R9473J 47K OHM 1/16W R4071...
  • Page 103 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description CAPACITORS C104 AE001726 CS0PB0414K 0.01 UF 50V B C105 BZ110143 E02LU0221M 220 UF 6.3V C106 AE005028 P232T1223J 0.022 UF 100V MMTV C107 AE001733 CS0PCH4H2J 220 PF 50V CH C108 AE002131 CS0PF0414Z 0.01 UF 50V F...
  • Page 104 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description CAPACITORS C308 BZ110187 E02LT0102M 1000 UF 6.3V C309 AE002130 CS0PCH4Q1J PF 50V CH C310 AE002131 CS0PF0414Z 0.01 UF 50V F C323 AE001725 CS0PB0413K 0.001 UF 50V B C501 BZ110119 E02LF2222M 2200 UF 16V ! C502...
  • Page 105 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description CAPACITORS C814 AE001275 CS0PF0415Z 0.1 UF 50V F C816 AE004235 CS0PB04G4K 0.018 UF 50V B C817 AE004235 CS0PB04G4K 0.018 UF 50V B C818 AE001729 CS0PCH412J 100 PF 50V CH C819 AD301348 E02LU5100M...
  • Page 106 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description CAPACITORS C3008 79091231 CS0PCH421J PF 50V CH C3009 79091061 CS0PCH4G1J PF 50V CH C3010 79091061 CS0PCH4G1J PF 50V CH C3011 79091231 CS0PCH421J PF 50V CH C3012 BZ210177 E02LU2470M UF 16V C3013 AE001732 CS0PCH4H1J...
  • Page 107 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description CAPACITORS C4035 AE004238 CS0PCH4F1J PF 50V CH C4036 AE002124 CS0PB0315K 0.1 UF 25V B C4037 AE001275 CS0PF0415Z 0.1 UF 50V F C4038 AE001726 CS0PB0414K 0.01 UF 50V B C4039 AE001275 CS0PF0415Z 0.1 UF 50V F...
  • Page 108 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description CAPACITORS C8028 AE001544 E50HU3100M UF 25 V C8029 AE001544 E50HU3100M UF 25 V C8030 AE000838 CS0PB0N16K UF 10V B C8031 BZ110074 E50HU5010M UF 50V C8032 AE000838 CS0PB0N16K UF 10V B C8033 BZ110074 E50HU5010M...
  • Page 109 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description DIODES ! D507 BZ410007 D23TGP15J0 DIODE,SILICON RGP15J-G23 ! D508 BZ410006 D1VT001330 DIODE,SILICON 1SS133T-77 D509 AE002133 D2BXARS010 DIODE,SILICON SARS01-V1 ! D510 BZ410113 D97U02201B DIODE,ZENER MTZJ22B T-77 ! D511 BZ410115 D2LKB340L0 DIODE,SCHOTTKY SB340L-6737 D513...
  • Page 110 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description TRANSISTORS Q530 BZ510109 TCAA3875SY TRANSISTOR,SILICON KTC3875S_Y_RTK Q531 BZ510001 T6YJ1037K0 TRANSISTOR,SILICON 2SA1037AKT146R,S Q651 BZ510026 TPYJC05001 COMPOUND TRANSISTOR DTA124EKAT146 Q652 BZ510021 TNYJC05001 COMPOUND TRANSISTOR DTC124EKAT146 Q653 BZ510108 TAAA1504SY TRANSISTOR,SILICON KTA1504S_Y_RTK Q654 BZ510021 TNYJC05001 COMPOUND TRANSISTOR...
  • Page 111 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description COILS &TRANSFORMERS L701 BZ310039 02167F220J COIL L702 BZ310039 02167F220J COIL L703 BZ310039 02167F220J COIL L801 BZ310039 02167F220J COIL L802 BZ310039 02167F220J COIL L803 BZ310039 02167F220J COIL L3001 BZ310041 02167F101J COIL 100 UH L3002...
  • Page 112 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description MISCELLANEOUS CP501 BZ614214 069S2B0629 CONNECTOR PCB SIDE A2001WV2-11P CP601 AE000098 069EVC3020 CONNECTOR PCB SIDE 00_6232_012_102_800 CP602 BZ614333 067U006049 WIRE HOLDER B2013H02-6P CP603 BZ614333 067U006049 WIRE HOLDER B2013H02-6P CP651 AE004675 069J750589 CONNECTOR PCB SIDE IMSA-9604S-05F...
  • Page 114 FILE NO. 810-200447 SERVICE MANUAL DVD VIDEO PLAYER & VHS VIDEO CASSETTE RECORDER SD-25VLSR Oct.,2004 O...
  • Page 115 DVD BLOCK DIAGRAM FLASH 8M 64M SDRAM IC4007 IC4005 SST39VF800A- HY57V641620 70-4C-EK-D HGT-7 HA0~HA20, HD0~HD15 DVD LOADER POWER DM 3P CD4002 RFA_SDEN, DATA, SCLK A, B, C, D, E, F READ CHANNEL AAF_CE, FE, TE, PI Pick up IC2601 ZR36708TQC FNN, FNP UNREG+3.8V CD, DVD, LD...

  • Page 116: Y/C/Audio/Head Amp

    Y/C/AUDIO/HEAD AMP BLOCK DIAGRAM CP101 HF1 (R) HF_COM 33 35 51 36 HF2 (L) V AMP MAIN SP-CH1 (R) Y CCD DE-EM SP_COM SQUELCH SP-CH2 (L) Clear P/Q EQ DLIM DEM0 TRAP SYNC Y-LPF EP/LP-CH1 (R) DE-EM EP/LP_COM V FBC/ VALC EP/LP-CH2 (L) REC+DO...

  • Page 117: Power

    SYSCON/SERVO/TIMER/VPS BLOCK DIAGRAM P. CON + 5V REEL SENS Q3009 SYSCON/SOFTWARE/SERVO IC ST_RESET IC3001 OEC7113A 21PIN/TUNER/Hi-Fi/ IIC_CLK REEL SENS DEMODULATOR Q3008 REEL-T IIC_DATA PERI_CTL_IN PERI_CTL_L REEL-S REMOCON REMOCON XC IN OPERATION/ X3001 KEY-A KEY-A DISPLAY 32.768KHz IC3002 XC OUT XC61CN3102SR KEY-B KEY-B ST_RESET...
  • Page 118 OPERATION/DISPLAY BLOCK DIAGRAM V651 LTG-0366AM-J 14 15 13 12 11 10 8 Q664 5G SW G5/POWER Q666 SEG10 SEG10 SW Q665 SEG9 SEG9 SW Q661 4G SW GRID 4 Q663 SEG8 SW S8/STB Q662 SEG7 SW SEG7 Q660 SEG6 SW SEG6 SYSCON/SERVO/ TIMER/VPS...
  • Page 119 21PIN/TUNER/Hi-Fi/DEMODULATOR BLOCK DIAGRAM NICAM/A2 IC IC801 MSP3417G-QG-B8 Y/C/AUDIO/ SWD_VIDEO HEAD AMP YUV OUT JACK X801 J8007 18.432MHz J8001 CP8001 U(B) Y(G) V(R) AUDIO-R TU301 AUDIO-L CVBS DVD-H DVD RESET Q8015,Q8019 Q8005, Q8008 ZERO AUDIO MUTE DVD RGB Q8006, Q8007, H OUT Q8016 AV SWITCHES IC IC8001 LA73026AV-TLM-E...
  • Page 120 POWER BLOCK DIAGRAM CAP_VCO SYSCON/SERVO/ TIMER/VPS AT+12.6V L501 T501 D505, D506 Q510 D502, D503 21PIN/TUNER/JACK 12V REG. AC IN AT+12V Hi-Fi/DEMOULATOR OPERATION/DISPLAY AT+5.2V Q503 P.CON+5V P.CON+5V Q508 POWER_ON-H POWER_ON-H Q504 M-CON+5V AT+5V (M-CON) SYSCON/SERVO/ TIMER/VPS Q506 M-CON- POWER FAIL POWER SW DVD POWER CTL IC502 KIA78R09API...

  • Page 121: Printed Circuit Boards

    PRINTED CIRCUIT BOARDS DVD (BOTTOM SIDE) DVD (TOP SIDE) CP2603 R2303 R2651 CP2601 CP2602 R2650 C2648 HS2301 R2629 R2639 R2630 Q2608 R2640 R2628 Q2604 R2637 Q2603 D2601 Q2607 Q2606 Q2605 R2647 IC2301 Q2602 R2615 R2620 R2616 R2623 R2604 R2622 R2331 IC2601 R2324 R2617...

  • Page 122: Vcr

    PRINTED CRICUIT BOARDS VCR (INSERTED PARTS) SOLDER SIDE V651 CP651 Q505 W028 X3003 Q510 W027 IC3099 W025 W026 W099 Q503 R513 W172 W020 W100 W070 D514 W098 D528 W097 W019 Q504 W018 R3014 W147 W095 W017 D3002 W015 W016 W094 Q3003 W013 W014...
  • Page 123 PRINTED CIRCUIT BOARDS VCR (CHIP MOUNTED PARTS) SOLDER SIDE Q8003 Q8017 Q8014 Q8010 Q8006 Q8011 Q8020 Q8018 Q103 R105 Q8008_1 R8018 Q8005 Q105 Q104 R711 IC8002 R8003 Q8019 R8070 Q8015 R8054 R8071 Q101 Q8007 IC8001 Q8016 Q8009 Q8002 R8012 R125 R507 R121 R3038...
  • Page 124 PRINTED CIRCUIT BOARDS OPERATION 1 SOLDER SIDE C604 CP603 OS601 SW601 SW602 D602 VECA42B OPERATION 2 SOLDER SIDE CP681 SW691 SW685 SW687 VCR/DVD SW690 D685 OPEN/CLOSE DVD LED VECA43B FRONT JACK SOLDER SIDE J602 VECA44B VIDEO J601 C601_1 AUDIO R AUDIO L CP602...
  • Page 125 PRINTED CIRCUIT BOARDS LOADING MOTOR (INSERTED PARTS) LOADING MOTOR (CHIP MOUNTED PARTS) SOLDER SIDE SOLDER SIDE CD2302 SOLDER SIDE CD2301 M2602 M2601 G-10...
  • Page 126 MPEG/MICON/DSP SCHEMATIC DIAGRAM (DVD PCB) FROM/TO AUDIO/VIDEO C4038 W817 SYS_MUTE DUPTD1 0.01 B DVD-H V_SW JG001 UNREG+3.8V DAC_VIDEO_A JG002 DAC_VIDEO_C DAC_VIDEO_B JG003 BOOT2 R4002 75 +-1% C4088 DAC_VIDEO_D JG004 BOOT1 0.01 B ASDATA0 R4003 75 +-1% JG005 R4052 ABCLK DUPTD1 R4004 75 +-1% C4089...
  • Page 127 MEMORY SCHEMATIC DIAGRAM (DVD PCB) FROM/TO MPEG/MICON/DSP FLASH IC 8M IC4007 SST39VF800A-70-4C-EK-D SD_A0 SD_A1 HA16 HA15 SD_A2 SD_A3 C4064 SD_A4 HA14 VCCQ SD_A5 0.1 F SD_A6 64M SDRAM IC SD_A7 HA13 IC4005 HY57V641620HGT-7 SD_A8 SD_A9 SD_A10 HD15 HA12 DQ15 SD_A11 SD_D15 SD_D0 DQ15...
  • Page 128 RF AMP/DSP SCHEMATIC DIAGRAM FROM/TO MPEG/MICON/DSP (DVD PCB) TOUT_SW TIN_SW RFA_SDEN RFA_DATA RFA_SCLK AAF_CE DM3P AAF_FE R2620 R2633 P.CON+3.3V AAF_TE VR DVD CTL VR SEL CTL AAF_PI Q2603 4.7K 4.7K R2647 Q2605 VR_SEL 2SK3018 VR CD CTL VR_SEL 2SK3018 Q2604 4.7K R2623 2SK3018...
  • Page 129 AUDIO/VIDEO SCHEMATIC DIAGRAM (DVD PCB) P.CON+A5V DAC_A_VIDEO DAC_C_VIDEO C8115 DAC_VIDEO_A 12P CH VIDEO_BUFFER DAC_B_VIDEO Q8105 L8105 KTA1504S_Y_RTK FROM/TO MPEG/MICON/DSP 1uH 0305 DAC_D_DVD_VIDEO P.CON+A5V DAC_VIDEO_A C8105 DAC_VIDEO_C DAC_VIDEO_C VIDEO_BUFFER DAC_VIDEO_B 12P CH Q8102 DAC_VIDEO_D L8102 KTA1504S_Y_RTK P.CON+5V 1uH 0305 VIDEO_BUFFER Q8103 C8108 RESET KTA1504S_Y_RTK...
  • Page 130 Y/C/AUDIO/HEAD AMP SCHEMATIC DIAGRAM (VCR PCB) FROM/TO SYSCON/SERVO/TIMER/VPS V_H.SW NA_REC-H DUMMY_V.SYNC A_MUTE-H W802 IIC_DATA IIC_CLK ENV.DET CTL+ CTL- Y/C_VIDEO_OUT S_DET_OUT MESECAM-H H.SW TP102 V.ENV R116 TP103 FROM 21PIN/TUNER L111_1 P.CON+5V R132 22uH SWD_VIDEO TU_VIDEO 10M 1/4W FROM POWER MESECAM-H Y/C/AUDIO/HEAD AMP IC ENV.DET P.CON+5V IC101...
  • Page 131 SYSCON/SERVO/TIMER/VPS SCHEMATIC DIAGRAM L3001 FROM/TO Y/C/AUDIO/HEAD AMP 100uH0305 (VCR PCB) C3017 V_H.SW C3012 0.022 NA_REC-H DUMMY_V.SYNC C3032 C3019 A_MUTE-H R3008 SERVICE IIC_DATA TP3001 0.0033 B IIC_CLK BLUE BACK SW R3011 ENV.DET FROM/TO POWER Q3007 R3024 VIDEO MUTE DTC124EKA CTL+ C3022 0.47 B 2.2K Q3011 DC CLAMP...
  • Page 132 21PIN/TUNER SCHEMATIC DIAGRAM (VCR PCB) C8009 47P CH C8055 R8021 PERI_A-R R8019 C8072 PERI_A-L BAIAS L8010 P.CON+5V C8040 100uH 0305 C8061 6.3V 1000 D AUDIO DRIVER 0.001 B C8034 Q8003 R8024 AT+5.2V SPDIF KTC3875S_Y_RTK 100P CH C8059 C302 2.2K 1/4W R304 RF_A_OUT C8038...
  • Page 133 POWER SCHEMATIC DIAGRAM (VCR PCB) CAP_VCO D502 1N4005-EIC TO Y/C/AUDIO/HEAD AMP D503 9V REG. IC 1N4005-EIC R509 AC230V_50Hz P.CON+5V IC502 DVD_POWER KIA78R09API CD501_1 1/4W AT+12.6V 0G459805 S501 BLUE BLUE F501 T2.5A_L_250V D506 S502 BROWN 11.7 13.0 AT+12V FROM/TO SYSCON/SERVO/TIMER/VPS 1N4005-EIC BROWN R515 50T025H...
  • Page 134 DISPLAY SCHEMATIC DIAGRAM (VCR PCB) TO Y/C/AUDIO/HEAD AMP FRONT_V_IN TO Hi-Fi/DEMODULATOR FRONT_A_IN-L FRONT_A_IN-R V651 LTG-0366AM-J S4/REC SEG4 SW Q657 DTC124EKA S8/STB SEG1 SW Q652 DTC124EKA SEG8 SW R653 Q663 DTC124EKA 1G SW Q653 FRONT_V_IN FROM/TO OPERATION KTA1504S_Y_RTK FROM/TO SYSCON/SERVO/TIMER/VPS CP652 TOC-G12X-A1 SEG2 SW Q654...
  • Page 135 Hi-Fi/DEMODULATOR SCHEMATIC DIAGRAM (VCR PCB) L702 AT+5.2V 22uH 0305 C702 R718 C734 C733 C701 R719 1/4W 0.1 F 47K 1/4W 6.3V L801 D801 W804 P.CON+9V Hi-Fi/AUDIO/CANAL SW IC 22uH 0305 1N4005-EIC A GND HIFI_H.SW IC701 LA72646SM-MPB IIC_CLK R-CH IIC_DATA R804 HOLD TU_AUDIO-L PULSE...
  • Page 136 OPERATION1/ OPERATION2/ AV JACK SCHEMATIC DIAGRAM (OPERATION1 PCB) FROM/TO AV JACK R606 CP603 (CP602) 56K 1/4W B2013H02-6P R603 OS601 AT+5.2V PIC-37143TH5 6.2K 1/4W REM IN VCR LED KEY-B KEY-A PCB270 VECA42 (FRONT JACK PCB) (OPERATION2 PCB) R691 FROM/TO OPERATION/DISPLAY 220K 1/4W CP601 (CP652) 00_6232_012_102...

  • Page 137: Loading Motor/Sw

    LOADING MOTOR/SW SCHEMATIC DIAGRAM (LOADING MOTOR PCB) (SW PCB) SSS-13-2 CD2302 2H052601 ESE22MH24 CD2301 SW-2(CLOSE) 2H062102 GND(SW) GND(SW) SW-1(OPEN) PICK UP INNER LIMIT SWITCH LOADING MOTOR(+) FEED MOTOR (-) M2602 LOADING MOTOR(-) BCZ3B03 FEED MOTOR (+) M2603 SPINDLE MOTOR (-) BCZ3B52 SPINDLE MOTOR (+) M2601...

  • Page 138: Interconnection Diagram

    INTERCONNECTION DIAGRAM COMMAND TRANSMITTER REMOCON SENSOR OPERATION1 PCB TM601 OS601 PCB270 VECA42 OS601 FROM TM601 Vout FULL ERASE HEAD ASS’Y CD2001 CP2601 HALL MAIN ROTOR SENSOR COIL MAGNET FG SENSOR SW1(DVD/CD) SW1(DVD/CD) CD4002 CP501 DRIVE GND(D) GND(D) DM-3 SW2(L/H) SW2(L/H) GND(D) GND(D) HALL...

  • Page 139: Waveforms

    WAVEFORMS Y/C/AUDIO/ HEAD AMP MPEG/MICON/DSP 10ns 500µs 100ms 1.0V 1.0V 100mV MEMORY 200µs 500µs 500mV 1.0V 1.0V RF AMP/DSP 10µs 200ns 10µs 200mV 200mV 500mV 500µs 10µs 200ns 50mV 100mV 100mV AUDIO/VIDEO 10µs 10µs 5µs 200mV 100mV The following waveforms were measured at the point of the corresponding NOTE: balloon number in the schematic diagram.
  • Page 140 WAVEFORMS Hi-Fi/DEMODULATOR 10ms 50mV 1.0V SYSCON/SERVO/TIMER/VPS 200ms 10ms 2.0V 1.0V POWER 5µs 500ms 100V 2.0V 20ns 5µs 50mV 5.0V 10µs 20mV NOTE: The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram.

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