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Toshiba MW20FM1 Service Manual

Color television/video cassette recorder/ dvd video player
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See also: Owner's Manual
FILE NO. 140-200210
SERVICE MANUAL
COLOR TELEVISION/
VIDEO CASSETTE RECORDER/
DVD VIDEO PLAYER
MW20FM1

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Summary of Contents for Toshiba MW20FM1

  • Page 1 FILE NO. 140-200210 SERVICE MANUAL COLOR TELEVISION/ VIDEO CASSETTE RECORDER/ DVD VIDEO PLAYER MW20FM1...

  • Page 2: Caution

    CAUTION THIS DIGITAL VIDEO PLAYER EMPLOYS A LASER SYSTEM. TO ENSURE PROPER USE OF THIS PRODUCT, PLEASE READ THIS SERVICE MANUAL CARE- FULLY AND RETAIN FOR FUTURE REFERENCE. SHOULD THE UNIT REQUIRE MAINTENANCE, CONTACT AN AUTHORIZED SERVICE LOCATION-SEE SERVICE PROCEDURE. USE OF CONTROLS, ADJUSTMENTS OR THE PERFORMANCE OF PROCEDURES OTHER THAN THOSE SPECIFIED HEREIN MAY RESULT IN HAZARDOUS RADIATION EXPOSURE.

  • Page 3: Servicing Notices On Checking

    SERVICING NOTICES ON CHECKING 1. KEEP THE NOTICES 6. AVOID AN X-RAY As for the places which need special attentions, Safety is secured against an X-ray by consider- they are indicated with the labels or seals on the ing about the cathode-ray tube and the high cabinet, chassis and parts.

  • Page 4: Important Safeguards

    IMPORTANT SAFEGUARDS READ INSTRUCTIONS All the safety and operating instructions should be read before the unit is operated. RETAIN INSTRUCTIONS The safety and operating instructions should be retained for future reference. HEED WARNINGS All warnings on the unit and in the operating instructions should be adhered to. FOLLOW INSTRUCTIONS All operating and use instructions should be followed.
  • Page 5 IMPORTANT SAFEGUARDS (CONTINUED) DAMAGE REQUIRING SERVICE Unplug this unit from the wall outlet and refer servicing to qualified service personnel under the following conditions: When the power-supply cord or plug is damaged. If liquid has been spilled, or objects have fallen into the unit. If the unit has been exposed to rain or water.

  • Page 6: Tape Removal Methodatno Power Supply

    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 7: Table Of Contents

    TABLE OF CONTENTS A1-1 CAUTION ..........................A1-2 SERVICING NOTICES ON CHECKING .................. A1-2 HOW TO ORDER PARTS ....................... A1-3, A1-4 IMPORTANT WARNING ......................A1-5 TAPE REMOVAL METHODATNO POWER SUPPLY ............A1-5 DISC REMOVAL METHODATNO POWER SUPPLY ............A1-5 PARENTAL CONTROL-RATING LEVEL ................A2-1 TABLE OF CONTENTS ......................

  • Page 8: General Specifications

    GENERAL SPECIFICATIONS CRT Size / Visual Size 20 inch / 508.0 mmV System CRT Type Flat Deflection degree Magnetic Field BV/BH + 0.45 G / 0.18 G Color System NTSC Speaker 2 Speaker Position Front Size 1.8 x 3.9 Inch Impedance Sound Output 1.5W + 1.5W...
  • Page 9 GENERAL SPECIFICATIONS Signal Video Signal Input Level 1 V p-p/75 ohm Output Level 1 V p-p/75 ohm S/N Ratio (Weighted) at DVD Mode 65dB S/N Ratio (Weighted) at VCR Mode 50dB Horizontal Resolution at DVD Mode 400 Lines Horizontal Resolution at VCR(SP)Mode 220 Lines RGB Signal Output Level...
  • Page 10 GENERAL SPECIFICATIONS G-10 On Screen Menu Display Menu Type Character (TV/VCR) Timer Rec Set Channel Setup TV/CATV Auto CH Memory Add/ Delete Guide CH Set TV Setup V-chip Set On/Off Timer Set Picture Audio Sap On/Off Auto Repeat On/Off System Setup Clock Set Yes (Calendar 12h) Language...
  • Page 11 GENERAL SPECIFICATIONS G-11 On Screen Menu Display Menu Type Icon (DVD) Picture TV Shape Output Sound Audio Out Select Dynamic Range Control Karaoke Vocal Language On-Screen Language Disc Menu Language Audio Language Subtitle Language Display On-Screen Displays Background Screen Saver Operational Pause/Still Parental Lock...
  • Page 12 GENERAL SPECIFICATIONS G-14 Remote Unit(for TOSHIBA) RC-FG Control Glow in Dark Remocon Unit Format Custom Code 40-BFh,44-BBh Power Source Voltage(D.C) UM size x pcs UM-4 x 2 pcs Total Keys Keys TV/VCR Power Channel- Channel+ Volume- Volume+ Display Sleep Audio Select...
  • Page 13 GENERAL SPECIFICATIONS G-15 Features Auto Head Cleaning Auto Tracking HQ (VHS Standard High Quality) Auto Power On, Auto Play, Auto Rewind, Auto Eject VIDEO PLUS+(SHOWVIEW,G-CODE) Auto Clock Forward / Reverse Picture Search Reverse Slow One Touch Playback Auto CH Memory Closed Caption TV Auto Shut off Function End Call...
  • Page 14 GENERAL SPECIFICATIONS G-17 Interface Switch Front Power (Tact) Channel Up Channel Down Volume Up Volume Down Play (VCR) Stop / Eject (VCR) F.FWD/Cue (VCR) Rew/Rev (VCR) REC/OTR (VCR) Play (DVD) Stop (DVD) Skip+ (DVD) Skip- (DVD) Open/Close (DVD) Input Select Main Power SW Indicator Power...

  • Page 15: Disassembly Instructions

    DISASSEMBLY INSTRUCTIONS 1. REMOVAL OF MECHANICAL PARTS 1-3: TV/DVD/VCR BLOCK (Refer to Fig. 1-3) Remove the 2 screws 1. AND P.C. BOARDS Disconnect the following connectors: 1-1: BACK CABINET (Refer to Fig. 1-1) (CP303, CP404 and CP1704). Remove the 6 screws 1. Remove the TV/DVD/VCR Block in the direction of Remove the AC cord from the AC cord hook 2.
  • Page 16 DISASSEMBLY INSTRUCTIONS 1-5: TOP SHIELD ASS'Y (Refer to Fig. 1-5) Pick Up PCB Remove the 9 screws 1. Remove the Top Shield Ass'y in the direction of arrow. CD Deck Top Shield Ass'y Angle Deck Operation PCB Make the short circuit using a soldering.
  • Page 17 DISASSEMBLY INSTRUCTIONS 1-8: VCR DECK (Refer to Fig. 1-8) Move the Cassette Holder Ass'y to the back side. Remove the 3 screws 1. Remove the screw 2. Disconnect the following connectors: (CP101, CP4501, CP4502 and CP4503). Remove the AC Head Cover and VCR Deck in the direction of arrow.

  • Page 18: Removal Of Vcr Deck Parts

    DISASSEMBLY INSTRUCTIONS 2. REMOVAL OF VCR DECK PARTS NOTE In case of the Locker R installation, check if the two 2-1: TOP BRACKET (Refer to Fig. 2-1) positions 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 19 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 20 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 21 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 22 DISASSEMBLY INSTRUCTIONS 2-14: CAPSTAN DD UNIT (Refer to Fig. 2-14-A) 2-15: MAIN CAM/PINCH ROLLER CAM/JOINT GEAR (Refer to Fig. 2-15-A) Remove the Capstan Belt. Remove the 3 screws 1. Remove the E-Ring 1, then remove the Main Cam. Remove the E-Ring 2, then remove the Pinch Roller Remove the Capstan DD Unit.
  • Page 23 DISASSEMBLY INSTRUCTIONS NOTE 2-18: CASSETTE GUIDE POST/INCLINED BASE S/T UNIT/P4 CAP (Refer to Fig. 2-18-A) 1. When you install the Loading Arm S Unit, Loading Arm T Unit and Main Loading Gear, align each marker. Remove the P4 Cap. Unlock the support 1 and remove the Cassette Guide (Refer to Fig.

  • Page 24: Removal Of Anode Cap

    DISASSEMBLY INSTRUCTIONS 3. After one side is removed, pull in the opposite direction 3. REMOVAL OF ANODE CAP 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 25: 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 26 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 27: 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 28 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 29: 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 (second).

  • Page 30: 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 31 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 32: 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: Initial Data setting will not be possible if clock has been set. To reset clock, either unplug AC cord and allow at least 5 seconds before Power On.

  • Page 33: Servicing Fixtures And Tools

    SERVICING FIXTURES AND TOOLS Alignment Tape Back tension cassette gauge Torque cassette gauge Taper nut driver (KT-300NR) ST-N5 ST-NF 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 34: 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 35 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) Check item Replacement Part Then, confirm that it indicates 120~180gf•cm.
  • Page 36 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 37 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 38: Electrical Adjustments

    ELECTRICAL ADJUSTMENTS BEFORE MAKING ELECTRICAL FUNCTION FUNCTION OSD H SUB CONT ADJUSTMENTS CUT OFF UNI COL CENT RF.AGC UNI COL MAX Read and perform these adjustments when repairing the UNI COL MIN circuits or replacing electrical parts or PCB assemblies. H.POSI COL CENT V.POSI...
  • Page 39 ELECTRICAL ADJUSTMENTS 2-2: RF AGC 2-5: CUT OFF Place the set with Aging Test for more than 15 minutes. Place the set with Aging Test for more than 15 minutes. Receive the VHF HIGH (63dB). Set condition is AV MODE without signal. Connect the digital voltmeter between the pin 5 of Using the remote control, set the brightness and CP601 and the pin 1 (GND) of CP601.
  • Page 40 ELECTRICAL ADJUSTMENTS 2-10: VERTICAL SIZE 2-13: SUB BRIGHT CENTER Receive the monoscope pattern. Receive the monoscope pattern. (RF Input) Using the remote control, set the brightness and Using the remote control, set the brightness and contrast to normal position. contrast to normal position. Activate the adjustment mode display of Fig.
  • Page 41 ELECTRICAL ADJUSTMENTS 2-15: SUB COLOR CENTER 2-17: Confirmation of Fixed Value (step No.) Receive the color bar pattern. (RF Input) Please check if the fixed values of the each adjustment Using the remote control, set the brightness, contrast, items are set correctly referring below. color and tint to normal position.
  • Page 42 ELECTRICAL ADJUSTMENTS PURITY AND CONVERGENCE 3-3: STATIC 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. minutes before performing the following adjustments.

  • Page 43: Dvd

    ELECTRICAL ADJUSTMENTS 2. ELECTRICAL ADJUSTMENT PARTS LOCATION GUIDE (WIRING CONNECTION) CD802 CRT PCB TP803 J801 MAIN PCB TP802 CD603 CP803 VR1701 VR404 CD602 R430 FB401 TP401 CP1704 CP1707 CP1708 CP1706 AC IN CP404 CD405 TOP SHIELD ASS'Y CD3602 CP3602 CP601 CD3603A CP603 CD303...
  • Page 44 MECHANICAL EXPLODED VIEW PCB110 (CRT PCB) 116 117 I1-1...
  • Page 45 MECHANICAL EXPLODED VIEW PCB070 (MAIN PCB) DK4001 PCB010 (VCR PCB) PCB270 (OPERATION PCB) PCB130 (DVD PCB) PCB240 (POWER PCB) I1-2...
  • Page 46 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. I2-1...
  • Page 47 CHASSIS EXPLODED VIEW (BOTTOM VIEW) CD1501 M2001 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. I2-2...
  • Page 48 MECHANICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description BZ310373 A5B6010720 CABINET,FRONT ASSY BZ710577 701WPA0686 HOLDER,DECK BZ710658 701WPA0751 HOLDER,DECK BZ710466 752WSA0230 SHIELD,CASE HEAD AMP BZ710659 752WSA0290 SHIELD,COMPO BZ710331 753WUAA006 SPRING,EARTH HEAD AMP BZ710497 85OP700037 HOLDER,LED BZ710498 85OP700038 HOLDER,END SENSOR BZ710459 761WPA0223 HOLDER,FBT...
  • Page 49 CHASSIS REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description BZ310375 A5B701Z420A DECK ASSY A5B701Z420A BZ710564 85OA400234 PINCH ROLLER BLOCK BZ710682 85OA500026 AHC ASS'Y BZ710193 85OP200290 BELT,CAPSTAN (S) BZ710515 85OP600581 WORM BZ710094 85OP500083 BASE,AC HEAD BZ710112 85OP800324 SPRING,AC HEAD BZ710516 85OA000459 MAIN CHASSIS ASS'Y...
  • Page 50 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description RESISTORS ! R401 BZ210244 R4X5T6562F R,METAL 5.6K OHM 1/6W ! R403 BZ210231 R4X5T6153F R,METAL 15K OHM 1/6W ! R405 BZ210231 R4X5T6153F R,METAL 15K OHM 1/6W ! R406 BZ210245 R3X18A101J R,METAL OXIDE 100 OHM 2W ! R412...
  • Page 51 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description DIODES D407 BZ410063 D2WTAU02A0 DIODE,SILICON AU02A-EIC ! D408 BZ410021 D97U05R61B DIODE,ZENER MTZJ5.6B T-77 D409 BZ410022 D97U06R81B DIODE,ZENER MTZJ6.8B T-77 D410 BZ410043 D2WT011E10 DIODE,SILICON 11E1-EIC D411 BZ410021 D97U05R61B DIODE,ZENER MTZJ5.6B T-77 ! D412 BZ410063 D2WTAU02A0...
  • Page 52 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description DIODES D4207 BZ410006 D1VT001330 DIODE,SILICON 1SS133T-77 D5501 BZ410012 D28TQS04N0 DIODE,SCHOTTKY 11EQS04N-TA1B2 D5502 BZ410006 D1VT001330 DIODE,SILICON 1SS133T-77 D8003 BZ410006 D1VT001330 DIODE,SILICON 1SS133T-77 D8501 BZ410116 DD5R002260 DIODE,SILICON 1SS226(TE85L) D8502 BZ410116 DD5R002260 DIODE,SILICON 1SS226(TE85L) D8503...
  • Page 53 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description TRANSISTORS ! Q803 BZ510100 TCATC3199Y TRANSISTOR,SILICON KTC3199_Y-AT ! Q804 BZ510091 TCA0042170 TRANSISTOR,SILICON KTC4217(O,Y) ! Q805 BZ510100 TCATC3199Y TRANSISTOR,SILICON KTC3199_Y-AT ! Q806 BZ510091 TCA0042170 TRANSISTOR,SILICON KTC4217(O,Y) ! Q807 BZ510100 TCATC3199Y TRANSISTOR,SILICON KTC3199_Y-AT Q1003...
  • Page 54 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description COILS &TRANSFORMERS L402 BZ310063 022100027A COIL,LINEARITY ELH5L4113 L403 BZ310004 021679472K COIL 4.7 MH L601 BZ310005 02167D101K COIL 100 UH L602 BZ310043 021LA6150K COIL L603 BZ310041 02167F101J COIL 100 UH L604 BZ310041 02167F101J...
  • Page 55 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description SWITCHES SW2206 BZ612010 0504101T34 SWITCH,TACT EVQ21505R BZ612001 0504201T31 SWITCH,TACT SKHVBED010 SW2207 BZ612010 0504101T34 SWITCH,TACT EVQ21505R BZ612001 0504201T31 SWITCH,TACT SKHVBED010 SW2251 BZ612010 0504101T34 SWITCH,TACT EVQ21505R SW2252 BZ612010 0504101T34 SWITCH,TACT EVQ21505R SW2253 BZ612010 0504101T34...
  • Page 56 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description MISCELLANEOUS CP3602 BZ614016 069W01001A CONNECTOR PCB SIDE 003P-2100 CP3603 BZ614218 069R2D0589 CONNECTOR PCB SIDE 52147-1310 CP3605 BZ614242 069S260629 CONNECTOR PCB SIDE A2001WV2-6P CP4501 BZ614011 0697290620 CONNECTOR PCB SIDE TOC-C09X-A1 CP4502 BZ614050 069J760029...

  • Page 57: Dvd Block Diagram

    DVD BLOCK DIAGRAM X8501 27MHz VCR BLOCK DECK RF,FO,EO,AO DK4001 RF_AMP DO,CO,BO DRAM DACSOX,DACDATA,DACCLK TT-4000 IC2603 AUDIO_DAC AUDIO OUT L IC2002 OEC6067A (TU2020R) IC8503 MSM5416258B-30 AUDIO OUT R AD1959YRSRL ZERO REGULATOR IC4002 S-816A25AMC ABCLK,ALRCLK,ASDATA 0 PUDET2,LSRDVD SCLK 2 GCLK GCLK 1 MOTOR B, F A, C...

  • Page 58: Y/C/Audio/Ccd/Head Amp

    Y/C/AUDIO/CCD/HEAD AMP BLOCK DIAGRAM X4501 3.578545M Hz Y/C/AUDIO/CCD/HEAD AMP IC Q4507 IC4501 Q4509 LA71205M-MPB BUFFER REGULATOR P. CON + 5V_A BUFFER PULL VX01 Y/C_CS SERIAL MICON DRIVER Y/C_DATA TIMMING CLAMP DECODER Y/C_CLK H.SW DETAL FM-EQ EMPHA CLAMP CP4501 CONV C-LPF EP/LP-CH2 (L) Y-LPF EP/LP_COM...
  • Page 59 MICON BLOCK DIAGRAM SYSCON/TIMER/SERVO TV_POWER_H IC101 OEC8073A VCR_A_MUTE VCR_POWER_H VCR_POWER_ON-H V.REC_ST_H Q114 VCR_A_MUTE REGULATOR TV_POWER_ON-H 56 POWER FAIL POWER_FAIL BUFFER HI-FI/ Q116 CVIN DEMODULATOR AV_SW1 AV_SW1 AV_SW HIFI ENV 88 HIFI_ENV COMB FILTER HIFI H.SW 26 HIFI_H.SW AV_SW2 AV_SW2 ST SELECT 87 ST_SELECT OSC0 X102...

  • Page 60: In/Out

    IN/OUT BLOCK DIAGRAM Q4202 Q4201 EXT_A_MUTE OPEN/CLOSE MUTE SW MUTE SW MICON VCR_A_MUTE EXT_MUTE STOP/EJECT VOL DOWN REAR OUT JACK J4202 Q4203 PLAY VOL UP MUTE SW SORROUND_R SKIP Q4211 HEADPHONE JACK MUTE SW SORROUND_L REC/OTR STOP J2201 CH.DOWN PLAY SOUND AMP KEY_A CH.UP...
  • Page 61 CHROMA/IF BLOCK DIAGRM I/F/CHROMA IC IC601 TB1253N X603 EXAFT OUT 3.579545MHz X'TAL EXT B IN OSD_B EXT G IN OSD_G EXT R IN OSD_ R SW_Y CVBS LNT IN YS/YM IN OSD_Y SW_C C IN COMB FILTER FBP IN/GP OUT MICON COMB_FSC CW OUT...
  • Page 62 SOUND AMP BLOCK DIAGRAM SOUND AMP IC IC352 AN7522 12 4 SOUND GND SOUND_R+ SOUND+B SOUND_L+ SP_OUT_L SP_OUT_R SPEAKER SP351 SPEAKER SP352 TV_POWER_H TV_A_MUTE MICON 9 10 DIGTAL SOUND CONTROL IC301 SURROUND_L M62420FP 20 12 SURROUND_R P.CON+9V SW_AUDIO_OUT_L DVD I/O REGULATOR P.CON+5V SW_AUDIO_OUT_R...

  • Page 63: Chroma/If

    Hi-Fi/DEMODULATOR BLOCK DIAGRM HI-FI AUDIO/H.AMP/DEM IC IC5501 AN3663FBP AUDIO_OUT_R AUDIO_OUT_L DVD I/O DVD_A_OUT_R DVD_A_OUT_L INPUT SW FRONT_A_IN_R FRONT_A_IN_L REAR_A_IN_R REAR_A_IN_L HF_COM OUTPUT Y/C/AUDIO/CCD /HEAD AMP VCO-FO LOGIC TUNER_AUDIO CHROMA/IF FM LIM Y/C_AUDIO NORMAL_A NOISE BLOCK REDUCTION V. REC_ST-H HIFI_ENV HIFI_H.SW MICON VCR_A_MUTE P.CON 5V_A...
  • Page 64 COMB FILTER BLOCK DIAGRAM Q1504 BUFFER P.CON+9V P.CON+5V Y SW REGULATOR IC1503 NJM2533V Q1502 P.CON+12V COMB_FSC BUFFER CHROMA/IF SW_Y DIGITAL COMB FILTER SW_C IC1501 TC90A45F DVD_Y/C-Y DVD_Y/C-C DVD I/O C SW IC1502 NJM2533V DVD_VIDEO Q1501 BUFFER Q1503 BUFFER AV SW IC1504 NJM2533V Y/C_VIDEO Y/C/AUDIO/...

  • Page 65: Sound Amp

    DVD IN/OUT BLOCK DIAGRAM AV_SW1 CP8001 MICON DVD_RESET PCON+9VA AT+5.2V PCON+9VA P.CON +9V_DH FROM/TO PCON+5V DVD BLOCK P.CON+12V REGULATOR PCON+5V P.CON +5V D PCON+3.3V P.CON+3.3V PCON+3.3V ZERO SPDIF-134 SPDIF-134 CP8002 DVD_Y/C-Y DVD_Y/C-C COMB FILTER DVD_VIDEO AUDIO SW CVBS IC8001 NJM2533V Q8006, Q8007 ZERO MUTE DVD U...

  • Page 66: Power

    REGULATOR BLOCK DIAGRAM CAP_VCO AT+12V MOTOR_GND MICON AT+5.2V DVD_H Q3002 P.CON 5V SW. P.CON+5V_A Q3001 P.CON 5V SW. P.CON+9V P.CON+5V_A AT+5.2V P.CON+5V 9V REG 5V REG IC3002 IC3001 P.CON+12V KIA78R09API KIA7805API HI-FI/DEMODULATOR P.CON+5V_A CP1701 P.CON+9V MOTOR +12V Y/C/AUDIO/CCD/ P.CON+5V_A HEAD MAP MOTOR GND AT +13V AT 5.2V...
  • Page 67 TV BLOCK DIAGRAM Q1702 RELAY DRIVER REGLATOR AT+12V DEGAUSS RELAY RY1701 DEGAUSS_H Q1707 CURRENT MICON EMERGENCY L1703 TV POWER_H DEGAUSS COIL D1705, D1706 D1710, D1711 D1717 F1701 CD1702 TRANSFORMER SWITCHING T1701 CP1706 POWER FEED BACK IC1701 LTV-817M-VB Q1703 Q1705 FEED BACK SWITCHING CONTROL SOUND GND...
  • Page 68 POWER BLOCK DIAGRAM T3601 CP3603 TUNER 32V P.FAIL DVD H UNREG 3.3V REGULATOR UNREG 3.3V AT 5.2V AT 5.2V AT +13V MOTOR GND MOTOR +12V 9VREG IC3602 KIA7809API D3604, D3605 D3606, D3607 Q3607 P.CON5V Q3606 PHOTO COUPLER IC3601 KIA431 P.CON+B IC3603 LTV-817M-VB VOLTAGE...

  • Page 69: Printed Circuit Boards

    PRINTED CIRCUIT BOARDS DVD (TOP SIDE) DVD (BOTTOM SIDE) CD8502 CD8501 W854 D8505 D8504 D8503 D8502 D8501 B8503 R8540 R8522 C8518 C8528 R8542 R8541 R8523_1 C8522 IC8504 C8534 C1020 R8528 R8529 R8527 R8530 C8512 C8539 C8515 C8542 R8532 R8514 C8520 C8521 C1022 C8513...
  • Page 70 PRINTED CIRCUIT BOARDS VCR (INSERTED PARTS) SOLDER SIDE CP2201 W824 Q3006 R173 D102 R3010 W009 D103 B8006 CD3602 CP8001 Q3002 CD602 W304 CP602 CD3603_1 CP8002 W008 CP3603_1 W139 W199 W005 W138 W302 R2224 W058 R353 W137 R2223 W136 Q3009 W299 W135 W197 R3015...
  • Page 71 PRINTED CIRCUIT BOARDS VCR (CHIP MOUNTED PARTS) SOLDER SIDE C604 IC8001 C606 IC1504 R601 W863 W855 C1535 C607 R602 Q605 R662 W815 C621 R633 R628 C615 R5508 C664 R5502 C675 C665 C5503 R5507 R661 C663 C616 R632 R651 C5527 C5529 R618 C5518 C5522...
  • Page 72 PRINTED CIRCUIT BOARDS MAIN/CRT SOLDER SIDE VR404 W807 R455 R403 W048 R1710 W830 R450 R401 W047 D1721 R1709 CP802A D1703 Q1703 CD602 D1724 R1712 W041 R1711 W040 R438 D1726 W039 R1713 C1703 C436 HS1701 W038 C411 W811 W043 W011 R1707 D411 Q1705 W037...
  • Page 73 PRINTED CIRCUIT BOARDS OPERATION POWER SOLDER SIDE SOLDER SIDE CP3605 CP3603_1 Q3607 W012 W011 Q3605 Q3606 W805 W007 W804 D3623 CP3602 C3636 R3618 R3617 R2256 D3619 R3612 C3618 D3617 R2255 W814 C3609 C3623 T3601 IC3603 R2254 C3607 R3601 D3607 D3604 R2253 R3615 D3605...
  • Page 74 R2601 READ CHANNEL SCHEMATIC DIAGRAM (DVD PCB) R2615 R2621 PROTECT Q2602 R2624 CD/LD DRIVER HN1C03F_B A+3V Q2601 Q2604 KRC102SRTK 5.6K HN1B01F_Y 0 0.7 0.3 R2623 -1.2 FROM/TO DSP R2603 A_GND -1.2 VRFD A+3V RFCD_DVD C2623 JG2603 SLCD1 0.1 F RFZI TEZI JG2604 R2638...
  • Page 75 DSP SCHEMATIC DIAGRAM (DVD PCB) R2006 C2049 10P CH C2036 C2048 0.1 F 0.1 F C2031 150P C2011 R2009 W201 0 (21-25) W202 0 C2018 FROM/TO AUDIO/VIDEO (21-25) D_GND R2005 FROM/TO READ CHANNEL DPA7 DPA6 VDD+5V PVREF C2019 0.1 F VDD+3.3V DPA5 VCOREF...
  • Page 76 MPEG SCHEMATIC DIAGRAM (DVD PCB) GNDA GNDA GNDP FROM/TO DSP R4010 4.7K DVDSTB GNDC DVDSOS DVDERR DVDVALID MPEG+1.8V VDD+3.3VMPEG DVDDAT0 DVDDAT1 DVDDAT2 DVDDAT3 DVDDAT4 DVDDAT5 DVDDAT6 B8502 HWIO DVDDAT7 FROM/TO AUDIO/VIDEO FCM2012H-102T04 VDDP PLLCFG0 GCLK H0RD GCLK C4005 HTYPE GCLK1 GCLK1 0.1 F VDD+3.3V...
  • Page 77 MEMORY SCHEMATIC DIAGRAM (DVD PCB) R4021 R4022 R4023 R4024 R4025 R4026 R4027 R4028 R4029 R4030 R4031 FROM/TO SYSCON1 FLASH SD-RAM C4044 IC4006 MBM29F800BA-55 LCAS IC4004 MSM56V16160F-8 SD-RAM UCAS IC4003 MSM56V16160F-8 0.1 F HA17 HA16 D-RAM IC4005 MSM5416258B-30 MD15 HA15 FLASHCS DQ15 BYTE MD15...
  • Page 78 AUDIO/VIDEO SCHEMATIC DIAGRAM (DVD PCB) FROM/TO SYSCON1 FROM/TO POWER R8516 DACDATA M+8V CD8502 (CP3605) CU262501 ATDIO DAC/PLL CLOCK GNERATOR M_GND IC8503 AD1959YRSRL P.CON+5V D RSTOX R8512 DACCLK CCLK CDATA P.CON+5V A R8513 R8514 VDD+3.3V DACSOX G+6DB CLATCH MUTE P.CON+9V A VDD+5V R8517 MOTOR GND...
  • Page 79 SYSCON1 SCHEMATIC DIAGRAM (DVD PCB) EEPROM IC1002 S-24C01BFJ-TB FRO/TO DSP TEST R1026 C1025 R1027 DISKWDI FCSEAR SVCEX R1025 4.7K DAREFH C1027 NR1006 FROM/TO MPEG DAREFL DVSS CAY16-101-J-4R DAOUT0 DAVSS HD15 DAOUT1 HD14 DAVCC HA10 DVCC FROM/TO READ CHANNEL HD13 HA11 HD12 PROMCK PUDET2...
  • Page 80 Y/C/AUDIO/CCD/HEAD AMP SCHEMATIC DIAGRAM (VCR PCB) BUFFER Q4507 R4537 2SC2412K 1.8K FROM/TO REGULATOR 1/4W P.CON+9V P.CON+5V_A FROM/TO HI-FI/DEMODULATOR NORMAL_A C4558 Y/C_AUDIO FROM/TO MICON C4555 6.3V R4544 0.1 B C4561 Y/C_CLK HF_COM Y/C_DATA 680K 0.01 B Y/C/A/CCD/H.AMP Y/C_CS IC4501 C4559 H.SW LA71205M-MPB 0.1 B VIDEO_OUT...
  • Page 81 MICON SCHEMATIC DIAGRAM (VCR PCB) D103 BACKUP+5V D102 SB140-EIC SB140-EIC FROM/TO REGULATOR C133 AT+5.2V C148 C151 AT+5.2V 0.1 B POWER_FAIL Q117 68P CH 0.1 F 2SC2412K VCR_POWER_H CAP_VCO AT+12V C167 P.CON+5V_A 3.3V_H 47P CH X101 R137 DVD_H R177 32.768 X102 L101 4.7K 4.7K...
  • Page 82 IN/OUT SCHEMATIC DIAGRAM (VCR PCB) FROM/TO OPERATION CP2201 (CD2251) A2001WV2-2P KEY_B KEY B FROM/TO SOUND AMP Q2202 SURROUND_L KRC102SRTK SURROUND_R POWER_LED_SW T-REC LED SW SOUND_R+ Q2203 SOUND_L+ KRC102SRTK SP_OUT_R D AUDIO DRIVER SP_OUT_L Q8001 2SA1037AK SOUND_GND B8001 C8010 R8004 REC LED SW 0.1 F Q2201 W5RH3.5X5X1.0...
  • Page 83 CHROMA/IF SCHEMATIC DIAGRAM (VCR PCB) FROM/TO MICON OSD_R OSD_G L612 OSD_B FROM/TO HI-FI/DEMODULATOR OSD_Y L604 100uH 0305 TUNER_AUDIO 100uH 0305 W868 EXT AUDIO DRV. H_CONTROL Q604 DEGAUSS_H 2SC2412K R635 TV_POWER_H PROTECT IIC_OFF FROM/TO COMB FILTER EMERGENCY SW_Y SW_C T.V.BUF. Q603 L607 COMB_FSC R609...
  • Page 84 SOUND AMP SCHEMATIC DIAGRAM SOUND AMP IC (VCR PCB) IC352 AN7522 R357 HS351 763WAAA0224 C358 FROM/TO I/O C302 0.0056 B SURROUND_L 0.0056 B SURROUND_R SOUND_R+ FROM/TO CHROMA/IF SOUND_L+ R356 SP_OUT_R SOUND+B C321 100K 1/4W SP_OUT_L 2200 SOUND_GND SOUND_GND C324 470P B C322 470P B C313...
  • Page 85 Hi-Fi/DEMODULATOR SCHEMATIC DIAGRAM (VCR PCB) C5511 0.1 B C5507 R5504 3.3K 0.22 FROM/TO I/O FRONT_A_IN_R R5523 FRONT_A_IN_L HI-FI/AUDIO/HEAD AMP/DEM IC C5504 REAR_A_IN_R IC5501 REAR_A_IN_L AN3663FBP 0.1 B R5503 3.9M C5505_1 C5509 C5550 0.015 B DEM_BLK ZZ-PROM LOGIC C5551 C5513 4.5M 95HMz MUTE VCO-F0 TRAP...
  • Page 86 COMB FILTER SCHEMATIC DIAGRAM (VCR PCB) B1501 W4BRH3.5X6X1 C1511 L1503 P.CON+5V C1518 820uH 6.3V C1519 0.01 B FROM/TO CHROMA/IF SW_Y SW_C COMB_FSC BUFFER C1521 R1513 Q1503 Y/C_VIDEO 2SC2412K C1504 BUFFER 0.01 B C1527 Q1504 COMB_FSC 2SC2412K 0.001 B FROM/TO Y/C/A/CCD/H.AMP Y/C_VIDEO AUX_V[F/R] L1504...
  • Page 87 DVD IN/OUT SCHEMATIC DIAGRAM (VCR PCB) FROM/TO SOUND AMP FROM/TO AUDIO/VIDEO SW_AUDIO_OUT_L CP8001 (CD8501) A2001WV2-13P AV_SW1 SW_AUDIO_OUT_R C8001 AUDIO_OUT_L B8006 W4BRH3.5X6X1 P.CON+9V W844 P.CON+9V_DH P.CON+9V P.CON+5V_D P.CON+D5V P.CON+D5V AUDIO SW IC8001 NJM2533V P.CON+3.3V FROM/TO I/O P.CON+3.3V P.CON+3.3V ZERO C8016 SW_AUDIO_OUT_L SPDIF-134 47P CH SPDIF-134...
  • Page 88 REGULATOR SCHEMATIC DIAGRAM (VCR PCB) FROM/TO COMB FILTER P.CON+5V P.CON+12V CAP_VCO P.CON+9V AT+30V FROM/TO Y/C/A/CCD/H.AMP P.CON+5V_A W809 AT+12V P.CON+9V MOTOR_GND FROM/TO MICON P.CON+5V_A P.CON+5V SW POWER_FAIL Q3002 VCR_POWER_H KTC3209_Y R3006 P.CON+12V CAP_VCO AT+12V 330 1/4W P.CON+5V_A P.CON+5V 3.3V_H 5V REG 9V REG DVD_H IC3001...
  • Page 89 TV POWER SCHEMATIC DIAGRAM CAUTION:FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, REPLACE ONLY WITH THE SAME TYPE FUSE 6.3A 125V (F501). 6.3A 125V ATTENTION:POUR UNE PROTECTION CONTINUE LES RISQUES D’INCEIE (MAIN PCB) N’UTOLISER QUE DES FUSIBLE DE MEME TYPE 6.3A 125V (F501).
  • Page 90 DEFLECTION SCHEMATIC DIAGRAM (MAIN PCB) 5V REG V.OUTPUT IC402 KIA78L05BP-AT IC401 LA78040 THERMAL PROTECTION PUMP UP R418 25.0 12.0 25.0 FROM/TO DY 1.2K 1/4W R413 CP404_1 A1561WV2-A5P 8.2K 1/4W R424 R432 CD405 27K +-1% 47K 1/4W CH01408A V801 L402 A51LVV896X01(O) ELH5L4113 FROM/TO TV POWER R454...

  • Page 91: Crt/Svm

    CRT/SVM SCHEMATIC DIAGRAM (CRT PCB) TP802 R814 12K 2W R822 2.7K 1/4W RED AMP Q802 123.5 R805 KTC4217 220 1/4W D802 1SS133 RED AMP Q803 W832 KTC3199_Y FROM CROMA/IF R806 1.8K 1/4W CD603 (CP603) 52147-0510 C815 W831 680P B CUT OFF G.OUT TP801 R815...

  • Page 92: Power

    POWER SCHEMATIC DIAGRAM (POWER PCB) T3601 81290954 C3630 500V 470P D3621 RGP15J D3606 RM11C-EIC D3625 R3622 1N4937 1/2W L3605 BLACK D3605 22uH RM11C-EIC TSL0808 L3603 D3616 W802 SB340L-6737 22uH TSL0808 BLACK WHITE D3604 CP3601 RM11C-EIC CUU24901 003P-2100 CP3602 WHITE D3607 C3617 RM11C-EIC 250V...
  • Page 93 OPERATION SCHEMATIC DIAGRAM (OPERATION PCB) R2251 R2252 R2253 R2254 R2255 R2256 R2257 FROM/TO I/O 8.2K 1/4W 2.7K 1/4W 1.5K 1/4W 1.2K 1/4W 5601/4W 4701/4W 3301/4W CD2251 (CP2201) CU220701 PCB270 KEY-B VEB980 NOTE:THE DC VOLTAGE EACH PART WAS NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME MEASURED WITH THE DIGITAL TESTER OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE DURING PLAYBACK.
  • Page 94 INTERCONNECTION DIAGRAM DVD PCB CD8502 PCB130 P.CON+5V D VMA249 P.CON+5V A CD4001 CP2602 P.CON+9V A CP3605 POWER PCB MOTOR GND PCB240 P.CON+5V D VPB155 P.CON+5V A DRIVE OPERATION PCB CD8501 CP8001 P.CON+9V A PCB270 MOTOR GND VEB980 COMMAND TRANSMITTER CP3601 TM601 S3601 P.CON+9V...
  • Page 95 WAVEFORMS Y/C/AUDIO/CCD/HEAD AMP MICON DEFLECTION 20µs 20ms 10ms 1.0V 2.0V 2µs 10ms 1.0V 2.0V SOUND AMP 50µs 1.0V 200mV DEFLECTION 10ms 50µs 2.0V 0.5V 5.0V Hi-Fi/DEMODULATOR CHROMA/IF 20µs 20µs 0.5V 1.0V NOTH: The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram.
  • Page 96 WAVEFORMS CHROMA/IF DEFLECTION 20µs 20µs 20µs 200V 0.5V 1.0V MICON 0.5ms 50µs 20µs 0.5V 2.0V 1.0V 10ms 20µs 10ms 2.0V 0.5V 1.0V DVD I/O 0.5µs 50µs 100mV 2.0V 0.5V 20µs 50µs 2.0V 1.0V 2.0V NOTH: The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram.
  • Page 97 WAVEFORMS CRT/SVM 20µs 20ns 10µs 100mV 20mV MPEG 20µs 500ns 10µs 50mV 20mV 20µs 20ns 10µs 100mV 20mV MEMORY READ 100ns 20ns 50mV 100mV 20mV AUDIO/VIDEO 100ns 10µs 20ns 50mV 20mV 50mV NOTH: The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram.
  • Page 98 WAVEFORMS 500ns 10µs 50mV 50mV 500µs 10µs 50mV 50mV 500µs 10µs 50mV 50mV 10µs 10µs 50mV 50mV SYSCON1 10µs 50ns 50mV 100mV NOTH: The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram. H - 4...
  • Page 99 TOSHIBA VIDEO PRODUCTS PTE. LTD. 438B ALEXANDRA ROAD, BLOCK B #06-01 ALEXANDRA TECHNOPARK SINGAPORE 119968...

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