Toshiba VTW21FQR Service Manual
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Toshiba VTW21FQR Service Manual

Toshiba VTW21FQR Service Manual

Combination 21" flat tv and video cassette recorder/dvd video player tele text
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FILE NO. 810-200551
SERVICE MANUAL
COMBINATION 21" FLAT TV
AND VIDEO CASSETTE
RECORDER/DVD VIDEO PLAYER
TELE TEXT
VTW21FQR
DOCUMENT CREATED IN JAPAN, June, 2005

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  • Page 1 FILE NO. 810-200551 SERVICE MANUAL COMBINATION 21" FLAT TV AND VIDEO CASSETTE RECORDER/DVD VIDEO PLAYER TELE TEXT VTW21FQR DOCUMENT CREATED IN JAPAN, June, 2005...

  • Page 2: Table Of Contents

    åÓ‰Âθ VTW21FQR êÛÍÓ‚Ó‰ÒÚ‚Ó ÔÓ ˝ÍÔÎÛ‡Ú‡ˆËË MODEL VTW21FQR USER GUIDE DIGITAL VIDEO íÓθÍÓ ‰Îfl ‰ËÒÍÓ‚ Ò „Ë̇θÌ˚ÏË ÍÓ‰‡ÏË Region discs only ëÓ‚Ï¢ÂÌÌ˚È ÚÂ΂ËÁÓ Ò ÔÎÓÒÍËÏ 21" ÍËÌÂÒÍÓÔÓÏ ‚ˉÂÓχ„ÌËÚÓÙÓÌ Ë DVD-ÔÓË„˚‚‡ÚÂθ íÖãÖíÖäëí Combination 21" Flat TV and Video Recorder/DVD Video Player TELE TEXT...

  • Page 3: Precautions

    PRECAUTIONS SOME DOS AND DON'TS ON THE SAFE USE OF EQUIPMENT NOTES ON MOISTURE CONDENSATION Moisture condensation damages the unit. Please read the following carefully. This equipment has been designed and manufactured to meet international safety standards Moisture condensation occurs, for example, when you pour a cold drink into a glass on a warm but, like any electrical equipment, care must be taken if you are to obtain the best results and day.

  • Page 4: Aerial Connections

    REMOTE CONTROL AERIAL CONNECTIONS (CONTINUED) Connect an indoor or outdoor aerial to the aerial socket at the rear panel as shown below. For all aerial circuit problems, please consult your local dealer. BATTERY INSTALLATION Slide the battery compart- Install two “AAA/R03/UM-4” Replace the cover.

  • Page 5: On-Screen Language Selection

    ON-SCREEN LANGUAGE SELECTION TO SET THE CLOCK This unit can display five languages, Preparation Besides displaying the channel Preparation English, German, Russian, Italiano, • Make sure that the MAIN POWER (ON) switch on the front panel number and functions symbols on Press TV/VCR to select TV/VCR mode.

  • Page 6: Tv Operation

    TUNING THE TV CHANNELS TV OPERATION (CONTINUED) In certain areas of the countries which have MANUAL TUNING Press ON/STANDBY. Then press TV/VCR to select TV/ poor reception the Automatic Tuning System VCR mode. may not tune your unit to the strongest Press TV/VCR to select TV/VCR broadcast signal.

  • Page 7: To Set The On Timer

    TO SET THE ON TIMER TO SET THE OFF TIMER This feature allows you to have the TV Preparation This feature allows you to have the Preparation automatically turn “ON” at predeter- Press TV/VCR to select TV/VCR mode. TV turn “OFF” automatically at a Press TV/VCR to select TV/VCR mode.
  • Page 8 PLAYBACK SPECIAL PLAYBACK NTSC TAPE PLAYBACK TO VISUALLY SEARCH FOR DESIRED POINTS To play a pre-recorded cassette tape. TO START PLAYBACK When either FWD or REV is pressed in the PLAYBACK Your TV/VCR can playback Video tapes recorded in the mode, the speed search picture will appear.

  • Page 9: Other Functions For Timer Recording

    OTHER FUNCTIONS FOR TIMER RECORDING ONE-TOUCH TIMER RECORDING (OTR) TO CONFIRM THE SETTINGS TO SET DAILY/WEEKLY TIMER The One-touch Timer Recording Example: feature provides a simple and One-touch Timer Recording for 30 minutes. When setting the date in the step 4 on page 25, press Press PROGRAM once.

  • Page 10: Video Index Search System (Index)

    VIDEO INDEX SEARCH SYSTEM (INDEX) STEREO PLAYBACK/RECEPTION DISTURBANCE SELECTING STEREO OR BILINGUAL SOUND FOR A PRE-RECORDED TAPE HI-FI SIGNAL INDICATION The VIDEO INDEX SEARCH SYSTEM SEARCHING FOR AN INDEX MARK Press AUDIO to select stereo/mono or bilingual playback. See the table below for more information. HiFi signal indication (INDEX) enables you to locate the Press DISPLAY.

  • Page 11: Teletext

    TELETEXT TELETEXT (CONTINUED) Most broadcasting stations offer a Teletext service in addition to their standard TV program. To call a teletext page Teletext offers news, weather forecast, winning Lotto numbers, TV listings and other interesting news. Leaf through the pages with PAGE ( ) (forward or backward).

  • Page 12: Playback Procedure

    SPECIAL PLAYBACK PLAYBACK PROCEDURE You can play discs at various speeds. Playing in fast reverse or fast forward Press OPEN/CLOSE on directions the unit. The disc tray will open. Press REV or FWD during playback. REV: Fast reverse playback FWD: Fast forward playback Each time you press the REV or FWD button, the playback speed changes.

  • Page 13: Zooming

    REPEAT PLAYBACK ZOOMING/CHANGING ANGLES/LOCATING DESIRED SCENE Repeat Playback Zooming This unit will allow you to zoom in on the frame image. You Press PLAY MODE during playback or stop mode. can then make selections by switching the position of the VCD/CD frame.

  • Page 14: Karaoke Playback

    KARAOKE PLAYBACK/TITLE SELECTION/DVD MENU CUSTOMIZING THE FUNCTION SETTINGS You can change the default settings Karaoke playback Press SETUP during stop to customize performance to your You can turn the vocal on or off recorded on the DVD mode. preference. KARAOKE. The following on-screen display appears.

  • Page 15: Temporary Disabling Of Rating Level By Dvd Disc

    CUSTOMIZING THE FUNCTION SETTINGS (CONTINUED) TEMPORARY DISABLING OF RATING LEVEL BY DVD DISC Depending on the DVD disc, the disc Load a DVD disc and press may try to temporarily cancel the To change the parental level PLAY or OPEN/CLOSE on the rating level that you have set.
  • Page 16 BEFORE REQUESTING SERVICE SYMPTOMS SOLUTION PAGE CAUSE TELEVISION Picture Tube: 21" (51 cm "V") measured diagonally 90 degree deflection No disc is inserted. Insert a disc. Television System: CCIR 625 Lines 50 Fields Insert a playable disc (Check the disc type An unplayable disc is inserted.
  • Page 17 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 18 WHEN REPLACING DVD DECK [ When removing the DVD Deck ] Before removing Pick Up PCB and DVD PCB connector, the short circuit the position shown in Fig. 1 using a soldering iron. If you remove the DVD Deck with no soldering, the Laser may be damaged. [ When installing the DVD Deck ] Remove all the soldering on the short circuit position after the connection of Pick Up PCB and DVD PCB connector.
  • Page 19 TAPE REMOVAL METHOD AT NO POWER SUPPLY Remove the DVD/VCR block from the main unit and the Fig. 1 below can be seen. (Refer to item 1 of the DISASSEMBLY INSTRUCTIONS.) Remove one screw of the Loading Motor from the insert hole for screw driver and remove the Loading Motor.
  • Page 20 PARENTAL CONTROL - RATING LEVEL 4 DIGIT PASSWORD CANCELLATION If the stored 4 digit password in the Rating Level menu needs to be cancelled, please follow the steps below. Turn Unit ON. Set the DVD to the Stop Mode. Check that the 'No disk' is displayed on the screen. Press and hold the 'STOP' button on the front panel.
  • Page 21 ABOUT LEAD FREE SOLDER (PbF) Distinction of PbF PCB: PCBs (manufactured) using lead free solder will have a PbF printing on the PCB. (Please refer to figures.) Caution: • Pb free solder has a higher melting point than standard solder; Typically the melting point is 50°F~70°F(30°C~40°C) higher.
  • Page 22 CONTENTS • OWNER'S MANUAL IMPORTANT WARNING ..................... A1-1 SERVICING NOTICES ON CHECKING ..............A1-1 HOW TO ORDER PARTS ................... A1-1 WHEN REPLACING DVD DECK ................A1-2 TAPE REMOVAL METHOD AT NO POWER SUPPLY ..........A1-3 DISC REMOVAL METHOD AT NO POWER SUPPLY ..........A1-3 PARENTAL CONTROL - RATING LEVEL ..............
  • Page 23 GENERAL SPECIFICATIONS CRT Size / Visual Size 21 inch / 508.0mmV System CRT Type Flat Magnetic Field BV/BH + 0.45 G / 0.18 G Color System PAL/SECAM Speaker 2 Speaker Position Front Size 1.8 x 3.9 Inch Impedance 8 ohm Sound Output 1.5W + 1.5W 10%(Typical)
  • Page 24 GENERAL SPECIFICATIONS Signal Video Signal Input Level 1 V p-p/75 ohm Output Level 1 V p-p/75 ohm 65dB S/N Ratio (Weighted) at DVD Mode 53dB S/N Ratio (Weighted) at VCR Mode 400 Lines Horizontal Resolution at DVD Mode 240 Lines Horizontal Resolution at VCR(SP)Mode RGB Signal Output Level...
  • Page 25 GENERAL SPECIFICATIONS G-10 On Screen Menu Display Menu Type Character (TV/VCR) Timer Rec Set VCR Setup Auto Repeat On/Off System Select Channel Setup Auto Tuning Ch Mapping Ch Tuning Ch Allocation Guide Ch Set TV Setup On/Off Timer Set Picture Audio NICAM Auto On/Off System Setup...
  • Page 26 GENERAL SPECIFICATIONS G-11 On Screen Menu (DVD) Display Menu Type Icon (DVD) Language Menu Subtitle Audio OSD Language(Set up Language) Video E.B.L. (Enhanced Black Level) TV Screen Size(4:3/16:9) OSD Display On/Off Picture Mode (Video/Film/Auto) JPEG Interval Audio DRC (Dynamic Range Control) Dialogue (On DRC[TV] / Off DRC[Std]) Surround System...
  • Page 27 GENERAL SPECIFICATIONS G-14 Remote Unit(for TOSHIBA) RC-KT Control Glow in Dark Remocon Unit Remocon Format ORION Format Custom Code 71-8E Power Source Voltage(D.C) UM size x pcs UM-4 x 2 pcs Total Keys Keys TV/VCR Power 0/AV CH / Page Up...
  • Page 28 GENERAL SPECIFICATIONS G-15 Features Auto Head Cleaning (TV/VCR) VIDEO PLUS+(SHOWVIEW,G-CODE) CH Auto Setup/Auto Clock Forward / Reverse Picture Search TV Auto Shut off Function Index Search SQPB CM Skip(30sec x 6 Times) VM Circuit TV/REC Monitor Choke Coil Energy Star Protect of FBT Leak Circuit Zero Return Power On Memory...
  • Page 29 Natural Dropping At 1 Corner / 2 Edges / 4 Surfaces Height (cm) 60 (ORION SPEC:31) Container Stuffing(40' container) Sets G-21 Material Cabinet Front PS 94HB Rear PS 94V0 Non Decabrom Jack Panel Non-Halogen Yes(w/o MPEG PCB) Eyelet Demand G-22 Environment Green procurement of TOSHIBA Not accomplished Pb-free Phase3(Phase3A) A3-7...
  • Page 30 DISASSEMBLY INSTRUCTIONS 1-3: POWER SW PCB (Refer to Fig. 1-3) 1. REMOVAL OF MECHANICAL PARTS Remove the 2 screws 1. AND P.C. BOARDS Disconnect the following connector: (CP1704). 1-1: BACK CABINET (Refer to Fig. 1-1) Remove the Power SW PCB in the direction of arrow. Remove the 6 screws 1.
  • Page 31 DISASSEMBLY INSTRUCTIONS 1-5: FILTER PCB (Refer to Fig. 1-5) 1-7: TOP SHIELD (Refer to Fig. 1-7) Remove the screw 1. Remove the 11 screws 1. Disconnect the following connector: (CP504). Remove the Top Shield in the direction of arrow. Remove the Filter PCB in the direction of arrow. Top Shield Filter PCB CP504...
  • Page 32 DISASSEMBLY INSTRUCTIONS 1-9: OPERATION PCB/DVD PCB/DVD DECK 1-10: VCR DECK (Refer to Fig. 1-10) (Refer to Fig. 1-9) NOTE Short circuit the position shown in Fig. 1-9 using a Do not remove the cable at the FE Head section. The FE soldering iron.
  • Page 33 DISASSEMBLY INSTRUCTIONS 2-3: LINK UNIT (Refer to Fig. 2-3) 2. REMOVAL OF VCR DECK PARTS Set the Link Unit to the Eject position. 2-1: TOP BRACKET (Refer to Fig. 2-1) Unlock the support 1. Extend the 2 supports 1. Remove the (A) side of the Link Unit first, then remove Slide the 2 supports 2 and remove the Top Bracket.
  • Page 34 DISASSEMBLY INSTRUCTIONS 2-5: LOADING MOTOR/WORM (Refer to Fig. 2-5-A) 2-6: TENSION ASS'Y (Refer to Fig. 2-6-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. 2-6-A to move the Tension Arm Ass'y.
  • Page 35 DISASSEMBLY INSTRUCTIONS 2-7: T BRAKE ARM/T BRAKE BAND (Refer to Fig. 2-7-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 36 DISASSEMBLY INSTRUCTIONS 2-9: CASSETTE OPENER/PINCH ROLLER BLOCK/ P5 ARM ASS'Y (Refer to Fig. 2-9-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. 2-10-B 2-11: FE HEAD (RECORDER ONLY) (Refer to Fig. 2-11) Pinch Roller Block Remove the screw 1.
  • Page 37 DISASSEMBLY INSTRUCTIONS 2-13: CAPSTAN DD UNIT (Refer to Fig. 2-13) 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 38 DISASSEMBLY INSTRUCTIONS 2-16: CLUTCH ASS'Y/RING SPRING/CLUTCH LEVER/ Cassette Guide Post CLUTCH GEAR (Refer to Fig. 2-16-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 39 DISASSEMBLY INSTRUCTIONS 3-2: MAIN CHASSIS ASS'Y (Refer to Fig. 3-2-A) 3. REMOVAL OF DVD DECK PARTS Remove the screw 1. NOTE Unlock the 2 supports 2. 1. Disassemble only the DVD DECK PARTS parts listed Remove the Insulator (R) from the Main Frame Ass'y. here.
  • Page 40 DISASSEMBLY INSTRUCTIONS 3-3: LOADING MOTOR PCB ASS'Y/ LOADING BELT 3-4: RACK LOADING/MAIN GEAR/PULLEY GEAR (Refer to Fig. 3-3-A) (Refer to Fig. 3-4-A) Press down the catcher 1 and slide the Rack Loading. Remove the Loading Belt. Remove the screw 1. Unlock the support 2 and remove the Pulley Gear.
  • Page 41 DISASSEMBLY INSTRUCTIONS NOTE 3-7: SWITCH PCB ASS'Y/MIDDLE GEAR/FEED MOTOR (Refer to Fig. 3-7-A) 1. In case of the Clamper Ass'y installation, install Remove the screw 1. correctly as Fig. 3-5-B. Remove the Switch PCB Ass'y. Unlock the support 2. Remove the Middle Gear. Remove the 2 screws 3.
  • Page 42 DISASSEMBLY INSTRUCTIONS Main Chassis Ass'y (Bottom Side) Check Hook Check Hook Check Hook Check Hook • Loosen the wire in the direction of the arrow. Fig. 3-7-D 3-8: FFC WIRE HANDLING When installing the FFC, fold it correctly and install it as shown from Fig.
  • Page 43 DISASSEMBLY INSTRUCTIONS 4. REMOVAL OF ANODE CAP 3. After one side is removed, pull in the opposite direction to remove the other. Read the following NOTED items before starting work. NOTE After turning the power off there might still be a potential Take care not to damage the Rubber Cap.
  • Page 44 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. 5-3.) REMOVAL NOTE Put the Masking Tape (cotton tape) around the Flat...
  • Page 45 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. 5-8.) new IC fitting on the printed circuit pattern. Then solder each lead on the diagonal positions of IC temporarily.
  • Page 46 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 47 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 48 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 (second).
  • Page 49 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 50 PREVENTIVE CHECKS AND SERVICE INTERVALS CLEANING NOTE 2. TAPE RUNNING SYSTEM After cleaning the heads with isopropyl alcohol, do not When cleaning the tape transport system, use the run a tape until the heads dry completely. If the heads gauze moistened with isopropyl alcohol. are not completely dry and alcohol gets on the tape, 3.
  • Page 51 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: Initial Data setting will not be possible if clock has been set. To reset clock, either unplug AC cord and allow at least 30 minutes before Power On or alternatively, discharge backup capacitor.
  • Page 52 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 53 MECHANICAL ADJUSTMENTS 1-2: CONFIRMATION AND ADJUSTMENT OF TENSION 1. CONFIRMATION AND ADJUSTMENT 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 54 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 on the S Reel. Set to the Picture Search (Rewind) mode. parts. (Refer to Fig.1-4-B) Replacement Part Check item Then, confirm that it indicates 120~180gf•cm.
  • Page 55 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 56 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 57 ELECTRICAL ADJUSTMENTS 1. ADJUSTMENT PROCEDURE 2. BASIC ADJUSTMENTS Read and perform these adjustments when repairing the (VCR SECTION) circuits or replacing electrical parts or PCB assemblies. 2-1: PG SHIFTER CAUTION Playback the alignment tape. • Use an isolation transformer when performing any Press and hold the Tracking-Auto button on the remote service on this chassis.
  • Page 58 ELECTRICAL ADJUSTMENTS 2-3: RF AGC 2-8: VERTICAL LINEARITY Receive the monoscope pattern from the Pattern (MONITOR TUNER) Generator. Place the set in Aging Test for more than 15 minutes. Using the remote control, set the brightness and Receive the UHF (63 ± 1dB). contrast to normal position.
  • Page 59 ELECTRICAL ADJUSTMENTS 2-12: BRIGHT CENT Receive the PAL black pattern*. (RF Input) Using the remote control, set the brightness and contrast to normal position. Activate the adjustment mode display of Fig. 1-1 and press the channel button (17) on the remote control to 100% select "BRIGHT CENT".
  • Page 60 ELECTRICAL ADJUSTMENTS 3-3: STATIC CONVERGENCE 3. PURITY AND CONVERGENCE ADJUSTMENTS NOTE Adjust after performing adjustments in section 3-2. NOTE Receive the crosshatch pattern from the color bar Turn the unit on and let it warm up for at least 30 generator.
  • Page 61 ELECTRICAL ADJUSTMENTS 4. ELECTRICAL ADJUSTMENT PARTS LOCATION GUIDE (WIRING CONNECTION) CRT PCB CP806 CP852B TP024 MAIN PCB CD852 CP3603 CP853B CP801 CP3601 VR1701 CP3602 CD801 FB401 POWER SW PCB CP402 S1702 L505 AC IN S1705 S1701 S1706 CP504 CP1704 FILTER PCB CD504 CD1704 J4201...
  • Page 62 TROUBLESHOOTING GUIDE (TV SECTION) POWER DOES NOT TURN ON (1) When turning on the Check pins 93 and 95 of IC1006 power switch, does the and peripheral circuit. LED light ? Is CD8006 inserted ? Insert CD8006. Check Q405, Q406 and Does Q405 and Q406 work ? peripheral circuit.
  • Page 63 TROUBLESHOOTING GUIDE POWER DOES NOT TURN ON (2) F1701 OK ? Change F1701. I s t h e v o l t a g e a t Check D1701, D1702, D1703, D1704, R1704 and peripheral circuit. C1705 DC313V ? Check IC1701, IC1704 and Is the check feed back peripheral circuit.
  • Page 64 TROUBLESHOOTING GUIDE NO PICTURE Are the Brightness and Adjust Brightness and Contrast. Contrast set to normal ? Is the voltage at pin 7 Check P.CON +9V line. of CP851 DC9V ? Is the signal at pins 30, 31 Is the waveform at pin 44 Check JACK_VIDEO line.
  • Page 65 TROUBLESHOOTING GUIDE GOOD PICTURE BUT NO SOUND Insert CD352. Is CD352 inserted? Check Sound+B line and Is the voltage at pin 1 peripheral circuit. of IC353 DC 6.6V ? Check TV_POWER_H line and Is the voltage at pin 5 peripheral circuit. of IC353 DC 3.9V ? Check Q301 and A_MUTE line .
  • Page 66 TROUBLESHOOTING GUIDE NO COLOR Is the color set to normal ? Adjust the color. Is the color signal received ? Receive the color signal. Is the wavefrom at pin 40 Check the peripheral circuit of X601. of IC601 normal ? Check peripheral circuit of IC601.
  • Page 67 TROUBLESHOOTING GUIDE ONLY A LINE APPEARS Is the signal at pin 47 of Check the peripheral circuit of IC601. IC601 normal ? Is there a waveform at Check IIC BUS line control IC. IIC BUS line normal? Is the signal at pin 1 Check IC401 and VCC Check FB401 and peripheral circuit.
  • Page 68 TROUBLESHOOTING GUIDE (VCR SECTION) PLAYBACK CHANGES TO STOP Insert a cassette and press PLAY button. Does Playback change Check TAPE LOADING, CAPSTAN to Stop about 3 DD UNIT and CYLINDER UNIT. seconds later? Does Playback Check REEL SENSOR and change to Stop about CAPSTAN BELT.
  • Page 69 TROUBLESHOOTING GUIDE NO PLAYBACK PICTURE Is the voltage at pins Does E-E appear on Check Power circuit. 22, 52, 60 and 90 of the Monitor TV ? IC4501 5V ? Is there PB Y/C signal Replace IC4501. at TP4502 ? Is there Y/C signal at Check Q4606.
  • Page 70 TROUBLESHOOTING GUIDE PLAYBACK PICTURE IS NOISY (EVEN AFTER CLEANING HEADS) Check HEAD AMP and interchange Is FM signal at TP4502 adjustments. more than 200mVp-p ? Is FM signal at pins 85 Check CP4501 and peripheral circuit. and 86 of IC4501 ? Is VIDEO waveform at Replace IC4501.
  • Page 71 TROUBLESHOOTING GUIDE NO COLOR DURING SELF RECORDING AND PLAYBACK Does VIDEO signal Check J4201, J2202 and appear at pins 15, 17 VIDEO input circuit. and 19 of IC4501 ? Is FM signal at pin 86 Replace IC4501. of IC4501 ? Replace CYLINDER UNIT.
  • Page 72 TROUBLESHOOTING GUIDE CAPSTAN DD MOTOR NOT ROTATING In playback, is the voltage at pin 2 and pin Check POWER circuit. 8 of CP1001 DC 12V ? Is the voltage at pin 3 of CP1001 DC 5V ? In playback, is the voltage Replace IC1006.
  • Page 73 TROUBLESHOOTING GUIDE AUDIO CAN NOT BE RECORDED Is the voltage at pin 92 Check POWER BLOCK. Is BIAS waveform appeared ? of IC4501 5V ? L4503 is broken or shorted. Check peripheral circuit. Check the circuit of 21pin and Is there AUDIO signal at TUNER.
  • Page 74 TROUBLESHOOTING GUIDE RECORDING MECHANISM WORKS, BUT NO VIDEO RECORDED FROM INPUT JACK OR TUNER Does VIDEO signal Check J4201, J2202 and pin 13 appear at pins 15, 17 of IC601. and 19 of IC4501 ? Is there FM signal at Replace IC4501.
  • Page 75 TROUBLESHOOTING GUIDE CYLINDER NOT ROTATING DURING PLAYBACK AND RECORDING Is the voltage at pins 2 Check AT +12V line and POWER and 8 of CP1001 about BLOCK. DC12V ? In playback, is the Check IC1006. voltage at pin 12 of CP1001 about DC2.6V ? Replace CYLINDER UNIT.
  • Page 76 TROUBLESHOOTING GUIDE CASSETTE TAPE IS NOT ACCEPTED Does WORM GEAR Check FRONT LOADING GEARS. on FRONT LOADING UNIT activate ? When cassette is not Check Photo sensor. inserted, is the voltage at pin 27 of IC1006 5V ? When a cassette is inserted, is the voltage between pins 2 Replace LOADING MOTOR.
  • Page 77 TROUBLESHOOTING GUIDE WHEN INSERTING CASSETTE, IT EJECTS IMMEDIATELY Does this same problem Defective CASSETTE or FRONT appear when using LOADING UNIT. another cassette tape ? When inserting a Replace EOT PHOTO cassette, does Emitter of TRANSISTORS. EOT return to LOW ? Check R1055 circuit.
  • Page 78 TROUBLESHOOTING GUIDE TAPE LOADING IS OK, BUT UNLOADS IMMEDIATELY Is the voltage at pin 2 and Check Power circuit. Does CYLINDER rotate ? pin 8 of CP1001, unregulated at 12V ? In playback, is the Does pin 87 of IC1006 feed voltage at pin 12 of DC5V PULSE ? CP1001 2.6V ?
  • Page 79 TROUBLESHOOTING GUIDE PLAYBACK PICTURE JITTERS VERTICALLY. Does tracking noise appear in the picture ? By adjusting the manual tracking UP/DOWN buttons, Check P/B ENVELOPE. will the noise disappear in the picture ? Are GUIDE POSTS Adjust GUIDE POST height. the right height ? Is PG SHIFTER Adjust PG SHIFTER.
  • Page 80 TROUBLESHOOTING GUIDE PLAYBACK PICTURE JITTERS HORIZONTALLY Is FG output level at pin Replace CYLINDER UNIT. 11 of CP1001 5Vp-p ? Is the voltage at pin 12 Replace IC1006. of CP1001 2.6V ? Replace CYLINDER UNIT. AUTO TRACKING DOES NOT OPERATE By manual tracking, does CYLINDER UNIT.
  • Page 81 TROUBLESHOOTING GUIDE WHEN PLAYBACK, FAST FORWARD OR REWIND MODE IS ACTIVATED, UNIT STOPS IMMEDIATELY Refer to section "CAPSTAN DD Does CAPSTAN DD MOTOR NOT ROTATING". MOTOR rotate ? Is CAPSTAN BELT Replace CAPSTAN BELT. normal? Does REEL SENSOR Check Reel Sensor of Q1001 and PULSE signal appear at R1006.
  • Page 82 TROUBLESHOOTING GUIDE (DVD SECTION) NO OPEN/CLOSE Check display DVD OSD ? Check connection CP2302 ? Connection try again CP2302. Check the circuit around Change IC2301. IC2301 ? Change DVD LOADER. E-21...
  • Page 83 TROUBLESHOOTING GUIDE DVD NO PICTURE Check connection CP8101 ? Connection try again CP8101. Check input signal at pins Check IC601. 1, 3 and 5 of CP8101 ? Check oscillation of X4001 ? Change X4001. Change IC4001. E-22...
  • Page 84 TROUBLESHOOTING GUIDE DVD, CD NO PLAY ("BLUE BACK LOGO" SHOW ON SCREEN.) After reading,check When play, check the Change DVD DECK. "INCORRECT DISC" DECK MOTOR moving ? display ? Change DVD DECK. Check connection CP2302 ? Connection try again CP2302. Check connection CP2301 ? Connection try again CP2301.
  • Page 85 TROUBLESHOOTING GUIDE INSTABILITY DVD MODE Check connection CD8101 ? Connection try again CD8101. Check DVD DECK Change DVD DECK. connection bend or short ? Check connection Connection try again CP2301, CP2302 ? CP2301, CP2302. Change DVD DECK. E-24...
  • Page 86 MECHANICAL EXPLODED VIEW 102B 102C 102A 102C PCB110 (CRT PCB ASS'Y) PCB320 (POWER SW PCB ASS'Y) 101B 101I 101I 101F 101H 101C 101D 101G 101E 101A J1-1...
  • Page 87 MECHANICAL EXPLODED VIEW PCB070 (MAIN PCB ASS'Y) PCBD00 (FILTER PCB ASS'Y) PCB010 (VCR PCB ASS'Y) PCB310 (STEREO PCB ASS'Y) PCB130 (DVD PCB ASS'Y) PCB270 (OPERATION PCB ASS'Y) 120 210 J1-2...
  • Page 88 MECHANICAL EXPLODED VIEW (PACKING DIAGRAM) 146, 147, 148, 149, 145 CD001, CD002, TM101 J1-3...
  • Page 89 CHASSIS EXPLODED VIEW (TOP VIEW) CD1501 M2003 UN4001 H5002 H5001 CD1502 M101 NOTE: Applying positions AA for the grease are displayed for this section. CLASS MARK Check if the correct grease is applied for each position. GREASE J2-1...
  • Page 90 CHASSIS EXPLODED VIEW (BOTTOM VIEW) M2001 CD1501 CD1502 NOTE: Applying positions AA for the grease are displayed for this section. CLASS MARK Check if the correct grease is applied for each position. GREASE J2-2...
  • Page 91 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) CD2001 CD2302 PCB640 (SW PCB ASS'Y) Do not replace the parts. Because, minute adjustments are needed if this condition is disassembled further more.
  • Page 92 MECHANICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description AE007638 7A701A470A FRONT CABI ASS'Y 101A AE007639 701WPJD070 CABINET,FRONT 101B AE007640 712WPJC154 FLAT,FLAP 101C BZ710665 713WPA0160 GUIDE,REMOCON 101D BZ710666 713WPA0195 GLASS,LED 101E AE000155 7235490021 BADGE,BRAND 101F AE007641 735WPBB425 BUTTON,FRAME 1 101G AE007642 735WPBB426...
  • Page 93 MECHANICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description AE004847 8117540A6U SCREW,TAP TITE(B0) TRUSS 4x16 AE003523 811754080U SCREW,TAP TITE(B0) TRUSS AE005916 8141J50C5U SCREW,TAP TITE(P) GW22 5x35 AE003528 8110630A0U SCREW,TAP TITE(P) BRAZIER 3x10 AE003529 811063080U SCREW,TAP TITE(P) BRAZIER AE005536 8109130B9U SCREW,TAP TITE(B) R PAN 3x29...
  • Page 94 CHASSIS REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description AE007655 DECK ASSY A5U501M420A A5U501M420A AE005514 PINCH ROLLER BLOCK VA2 85OA400245 BZ710682 AHC ASS'Y 85OA500026 BZ710193 BELT,CAPSTAN (S) 85OP200290 BZ710515 WORM 85OP600581 AE005919 BASE,AC HEAD 85OP500091 BZ710112 SPRING,AC HEAD 85OP800324 AE005835 MAIN CHASSIS ASS'Y...
  • Page 95 DVD DECK REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description AE007595 DVD MECHA ASS'Y A2F3P4H650 A2F3P4H650 AE005003 HOLDER,TRAVERSE 92P100109A AE003550 CLAMPER 92P100094A AE003551 GEAR,MOTOR 92P100088A AE005414 GEAR,MIDDLE 92P100108A AE003538 INSULATOR(F) 92P200013A AE003539 INSULATOR(R) 92P200014A AE005929 LOADER SUB ASS'Y 92SBB0030A AE003541 GEAR,PULLEY...
  • Page 96 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description RESISTORS R301 AD301388 R002T4273J 27K OHM 1/4W R302 AE001805 R803R9822J 8.2K OHM 1/16W R303 AD302291 R803R9683J 68K OHM 1/16W R304 AD300651 R002T4272J 2.7K OHM 1/4W R306 AE001783 R803R9102J OHM 1/16W ! R307 BZ210083 R3X28A010J...
  • Page 97 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description RESISTORS R651 BZ210060 R002T4332J 3.3K OHM 1/4W R652 AE001783 R803R9102J OHM 1/16W R654 AE001787 R803R9122J 1.2K OHM 1/16W R655 AE001783 R803R9102J OHM 1/16W R656 AD302345 R803R9472J 4.7K OHM 1/16W R662 AE001783 R803R9102J...
  • Page 98 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description RESISTORS R1053 AE001783 R803R9102J OHM 1/16W R1054 AE002872 R803R9271J 270 OHM 1/16W R1055 BZ210182 R002T4103J 10K OHM 1/4W R1056 BZ210182 R002T4103J 10K OHM 1/4W R1057 BZ210166 R002T4562J 5.6K OHM 1/4W R1058 AE002152 R803R9561J...
  • Page 99 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description RESISTORS R1728 BZ210182 R002T4103J 10K OHM 1/4W R1729 BZ210119 R002T4102J OHM 1/4W ! R1730 BZ210248 R3X181R15J R,METAL OXIDE 0.15 OHM 1W R1732 BZ210135 R002T4221J 220 OHM 1/4W R1734 BZ210158 R002T2563J 56K OHM 1/2W ! R1735...
  • Page 100 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description RESISTORS ! R3006 AE000612 R655U4100J R,FUSE 10 OHM 1/4W R3007 BZ210126 R002T4222J 2.2K OHM 1/4W R3008 AE000356 R002T4271J 270 OHM 1/4W R3022 BZ210135 R002T4221J 220 OHM 1/4W R3101 BZ210182 R002T4103J 10K OHM 1/4W R3102...
  • Page 101 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description RESISTORS R4062 79091400 R803R9393J 39K OHM 1/16W R4063 AE002145 R803R9153J 15K OHM 1/16W R4064 AE001781 R803R9101J 100 OHM 1/16W R4069 AD302345 R803R9472J 4.7K OHM 1/16W R4070 AE001797 R803R9473J 47K OHM 1/16W R4071 79091139 R803R9151J...
  • Page 102 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description RESISTORS R4505 AE001783 R803R9102J OHM 1/16W R4506 AE001784 R803R9103J 10K OHM 1/16W R4507 AE001890 R803R9221J 220 OHM 1/16W R4508 AD302345 R803R9472J 4.7K OHM 1/16W R4509 AD302345 R803R9472J 4.7K OHM 1/16W R4510 AE001282 R803R9334J...
  • Page 103 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description CAPACITORS C316 AE001726 CS0PB0414K 0.01 UF 50V B C322 BZ110053 E02LF3102M 1000 UF 25V C402 AD301729 E02LU52R2M 2.2 UF 50V C403 AE000477 P235W1474J 0.47 UF 100V MKT C404 AE000416 P232W1103J 0.01 UF 100V MMTS C405...
  • Page 104 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description CAPACITORS C810 AE004233 CHGTB04K2K 270 PF 50V B C811 AE004233 CHGTB04K2K 270 PF 50V B C1002 AE002824 CS0PB04H4K 0.022 UF 50V B C1003 BZ110170 E51A0P104Z 0.1 F 5.5V C1004 AE002124 CS0PB0315K 0.1 UF 25V B...
  • Page 105 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description CAPACITORS C1217 AE002830 CS0PCH4L1J PF 50V CH C1218 AE001737 CS0PF0N16Z UF 10V F C1219 AE002824 CS0PB04H4K 0.022 UF 50V B C1220 AE001275 CS0PF0415Z 0.1 UF 50V F C1224 AE004236 CS0PB0NQ5K 0.47 UF 10V B C1225...
  • Page 106 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description CAPACITORS C2348 AE002124 CS0PB0315K 0.1 UF 25V B C2350 AE000838 CS0PB0N16K UF 10V B C2357 AE001729 CS0PCH412J 100 PF 50V CH C2358 AE001729 CS0PCH412J 100 PF 50V CH C2359 AE001729 CS0PCH412J 100 PF 50V CH...
  • Page 107 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description CAPACITORS C4039 AE001275 CS0PF0415Z 0.1 UF 50V F C4040 AE001275 CS0PF0415Z 0.1 UF 50V F C4041 AE001275 CS0PF0415Z 0.1 UF 50V F C4042 AE002825 CS0PCH411D PF 50V CH C4043 AE002130 CS0PCH4Q1J PF 50V CH...
  • Page 108 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description CAPACITORS C4223 AE001544 E50HU3100M UF 25 V C4225 AE001729 CS0PCH412J 100 PF 50V CH C4226 AE000838 CS0PB0N16K UF 10V B C4228 AE001544 E50HU3100M UF 25 V C4229 AE001544 E50HU3100M UF 25 V C4230 AE001727...
  • Page 109 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description CAPACITORS C4551 AD301762 E50HU52R2M 2.2 UF 50V C4552 AE000838 CS0PB0N16K UF 10V B C4553 BZ110217 E50HU53R3M 3.3 UF 50V C4554 BZ110143 E02LU0221M 220 UF 6.3V C4556 AD301762 E50HU52R2M 2.2 UF 50V C4557 AE001275 CS0PF0415Z...
  • Page 110 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description CAPACITORS C6617 AE001544 E50HU3100M UF 25 V C6620 BZ110074 E50HU5010M UF 50V C6621 AE004234 CS0PB02L5K 0.33 UF 16V B C6622 AE002124 CS0PB0315K 0.1 UF 25V B C6623 AE002124 CS0PB0315K 0.1 UF 25V B C6624 AE002130...
  • Page 111 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description DIODES D1712 BZ410021 D97U05R61B DIODE,ZENER MTZJ5.6B T-77 ! D1713 BZ410010 D28T21DQN9 DIODE,SCHOTTKY 21DQ09N-TA2B1 ! D1715 BZ410115 D2LKB340L0 DIODE,SCHOTTKY SB340L-6737 ! D1716 BZ410010 D28T21DQN9 DIODE,SCHOTTKY 21DQ09N-TA2B1 ! D1717 BZ410010 D28T21DQN9 DIODE,SCHOTTKY 21DQ09N-TA2B1 D1719...
  • Page 112 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description TRANSISTORS Q607 AE005961 TCATC31970 TRANSISTOR,SILICON KTC3197-AT/P Q608 BZ510001 T6YJ1037K0 TRANSISTOR,SILICON 2SA1037AKT146R,S Q610 AE002626 T8YJ2412K0 TRANSISTOR,SILICON 2SC2412KT146 R,S Q611 AE002626 T8YJ2412K0 TRANSISTOR,SILICON 2SC2412KT146 R,S ! Q801 BZ510100 TCATC3199Y TRANSISTOR,SILICON KTC3199_Y-AT ! Q802 BZ510100 TCATC3199Y...
  • Page 113 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description TRANSISTORS Q4618 AE002626 T8YJ2412K0 TRANSISTOR,SILICON 2SC2412KT146 R,S Q8101 BZ510021 TNYJC05001 COMPOUND TRANSISTOR DTC124EKAT146 COILS &TRANSFORMERS L352 BZ310181 02A6B2E0A1 CORE,FERRITE HF70T22*10*14 L401 BZ310004 021679472K COIL 4.7 MH L402 BZ310013 0221000013 COIL,LINEARITY ELH5L4112N ! L505...
  • Page 114 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description SWITCHES SW2204 BZ612010 0504101T34 SWITCH,TACT EVQ21505R SW2205 BZ612010 0504101T34 SWITCH,TACT EVQ21505R SW2206 BZ612010 0504101T34 SWITCH,TACT EVQ21505R SW2207 BZ612010 0504101T34 SWITCH,TACT EVQ21505R SW2251 BZ612010 0504101T34 SWITCH,TACT EVQ21505R SW2252 BZ612010 0504101T34 SWITCH,TACT EVQ21505R SW2253...
  • Page 115 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description MISCELLANEOUS ! CD1701 AE005263 1206455820 CORD,AC BUSH 6455820 CD1704 BZ614180 06CHU2017A CORD,CONNECTOR CHU2017A CD2201 BZ614264 06CH01429A CORD,EIS CONNECTOR CH01429A CD2251 AE000583 06CU230702 CORD,JUMPER CU230702 CD4002 AE005945 06C32B3303 CORD,CONNECTOR C32B3303 CD4005 BZ614373 122F061502...

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