Toshiba VTV1403S Service Manual
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Toshiba VTV1403S Service Manual

Toshiba VTV1403S Service Manual

Color television/ video cassette recorder
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FILE NO. 140-200122
SERVICE MANUAL
COLOR TELEVISION/
VIDEO CASSETTE RECORDER
VTV1403S

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Summary of Contents for Toshiba VTV1403S

  • Page 1 FILE NO. 140-200122 SERVICE MANUAL COLOR TELEVISION/ VIDEO CASSETTE RECORDER VTV1403S...

  • Page 2: 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 3: Table Of Contents

    TABLE OF CONTENTS SERVICING NOTICES ON CHECKING ..................A1-1 HOW TO ORDER PARTS ......................A1-1 TABLE OF CONTENTS ......................A2-1 GENERAL SPECIFICATIONS ....................A3-1~A3-5 DISASSEMBLY INSTRUCTIONS 1. REMOVAL OF MECHANICAL PARTS AND P. C. BOARDS ..........B1-1, B1-2 2. REMOVAL OF DECK PARTS .................... B2-1~B2-6 3.

  • Page 4: General Specifications

    GENERAL SPECIFICATIONS CRT Size / Visual Size 14 inch / 335.4mmV System CRT Type Normal Deflection degree Magnetic Field BV/BH +0.45G / +0.18G Color System Speaker 1Speaker Position Front Size 1.5 x 2.5 Inch Impedance 8 ohm Sound Output 1.5 W 10%(Typical) 1.0 W System...
  • Page 5 GENERAL SPECIFICATIONS On Screen Menu Display Menu Type Character Timer Rec Set Channel Setup Auto Tuning Ch Mapping Ch Tuning Ch Allocation TV Setup On/Off Timer Set Picture Audio VCR Setup Auto Repeat On/Off System Select Scene Repeat System Setup Clock Set Yes (Calendar 24h) Language...
  • Page 6 GENERAL SPECIFICATIONS G-12 Remote Unit RC-DM Control Glow in Dark Remocon Power Source Voltage(D.C) UM size x pcs UM-4 x 2 pcs Total Keys Keys Keys Power 0/AV CH/Tr Up CH/Tr Up/Page Up CH/Tr Down CH/Tr Down /Page Down Volume Up Volume Down Play/Up Play/Up/Slow...
  • Page 7 GENERAL SPECIFICATIONS G-13 Features Auto Head Cleaning Auto Tracking HQ (VHS Standard High Quality) Auto Power On, Auto Play, Auto Rewind, Auto Eject Auto Shut Off Auto Repeat VIDEO PLUS+(SHOWVIEW,G-CODE) CH Auto Set-Up/Auto Clock Forward / Reverse Picture Search One Touch Playback Auto Tuning Anti-Theft End Call...
  • Page 8 GENERAL SPECIFICATIONS G-15 Interface Switch Front Power Play Pause/Still System Select One Touch Playback Input Select Channel Up Channel Down F.FWD/Cue Eject/Stop Main Power SW Volume Up Volume Down Rew/Rev Rec/OTR Rear Main Power SW Indicator Standby Rec/OTR T-Rec On Timer Key Light up Rec/OTR One Touch Playback...

  • Page 9: Disassembly Instructions

    DISASSEMBLY INSTRUCTIONS 1. REMOVAL OF MECHANICAL PARTS 1-3: TV/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) (CP302, CP402, CP501 and CP502). Remove the 6 screws 1. Unlock the support 2.
  • Page 10 DISASSEMBLY INSTRUCTIONS 1-5: DECK SHIELD PLATE (Refer to Fig. 1-5) 1-7: JACK PLATE AND SYSCON PCB (Refer to Fig. 1-7) Remove the 2 screws 1. Remove the screw 1. Remove the 2 screws 2. Remove the Deck Shield Plate in the direction of arrow (A). Remove the screw 2.

  • Page 11: Removal Of Deck Parts

    DISASSEMBLY INSTRUCTIONS 2. REMOVAL OF 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 12 DISASSEMBLY INSTRUCTIONS 2-6: LOADING MOTOR/WORM (Refer to Fig. 2-6-A) Tension Arm Ass'y Remove the screw 1. Remove the Loading Motor. Remove the Worm. Fig. 2-7-A Loading Motor Worm Tension Connect Tension Band Main Chassis Tension Spring Tension Arm Ass'y Tension Holder •...
  • Page 13 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 14 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 15 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 16 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 17: 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 18: 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 19 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 20: 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 21 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 22: Service Mode List

    SERVICE MODE LIST This unit provided with the following SERVICE MODES so you can repair, examine and adjust easily. To enter SERVICE MODE, Unplug AC cord till lost actual clock time. Then press and hold Vol (-) button of main unit and remocon key for more than 2 seconds.

  • Page 23: Preventive Checks And Service Intervals

    PREVENTIVE CHECKS AND SERVICE INTERVALS The following standard table depends on environmental conditions and usage. Unless maintenance is properly carried out, the following service intervals may be quite shortened as harmful effects may be had on other parts. Also, long term storage or misuse may cause transformation and aging of rubber parts. Time 1,000 1,500...
  • Page 24 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 25: 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 30 minutes before Power On or alternatively, discharge backup capacitor.

  • Page 26: 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 27: 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 28 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 29 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 30 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 31: Electrical Adjustments

    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 Connect CH-1 on the oscilloscope to TP4001 and CH-2 When replacing IC's or transistors, use only specified to TP4201.
  • Page 32 ELECTRICAL ADJUSTMENTS 2-3: RF AGC 2-8: VERTICAL LINEARITY Place the set with Aging Test for more than 15 minutes. NOTE: Adjust after performing adjustments in section 2-7. Receive the UHF (63dB). Receive the cross hatch signal from the Pattern Connect the digital voltmeter between the pin 5 of Generator.
  • Page 33 ELECTRICAL ADJUSTMENTS 2-12: WHITE BALANCE 2-15: COLOR CENT NOTE: Adjust after performing CUT OFF adjustment. Receive the PAL color bar pattern. (RF Input) Using the remote control, set the brightness, contrast Place the set with Aging Test for more than 15 minutes. and color to normal position.
  • Page 34 ELECTRICAL ADJUSTMENTS 3. ELECTRICAL ADJUSTMENT PARTS LOCATION GUIDE C1003 TP1001 TP4002 TP4001 IC601 TP601 TU601 FB401 TP4201 VR402 VR401 J4201 FOCUS VOLUME SYSCON PCB SCREEN VOLUME TP501 TP803 D510 T501 VR502 J801 CRT PCB L502 L501 POWER PCB D3-4...
  • Page 35 ELECTRICAL ADJUSTMENTS 4. PURITY AND CONVERGENCE 4-3: STATIC CONVERGENCE ADJUSTMENTS NOTE Adjust after performing adjustments in section 4-2. NOTE Receive the crosshatch pattern from the color bar Turn the unit on and let it warm up for at least 30 generator.

  • Page 36: Y/C/Audio/Head Amp/21Pin/In/Out

    TV BLOCK DIAGRAM 21_B Y/C_V 21_G Y/C/AUDIO/ HEAD AMP/ Q602 21_R 21PIN/IN/OUT 21_Y BUFFER TUNER_V V. DRIVE IC401 TDA8174A TUNER_A Y/C/AUDIO/ THERMAL CF605 HEAD AMP/ Y/C_A PROTECTION 21PIN/IN/OUT S-TRAP Q607 PUMP P.CON+9V CUT OFF RAMP JACK_V Q405 Q406 H.DRIVE H.OUT TU601 CF601 Q607...
  • Page 37 Y/C/AUDIO/HEAD AMP/21PIN/IN/OUT BLOCK DIAGRAM X4001 4.433619MHz Y/C/AUDIO/ CCD/HEAD AMP IC IC4001 HA118217F CP4001 6dB AMP 6dB AMP SP-CH2 (L) 2MLPF C CCD CTL TRAP CYL. SP_COM fh HPF CLEAR C SQUELCH SP-CH1 (R) SYNC DELAY CLPF N-->P VV_H CLOCK TRAP CLPH DEIVER SQUELCH...

  • Page 38: T'text

    MICON/OPERATION/POWER BLOCK DIAGRAM SYSCON/TIMER/SERVO IC1006 OEC0107B SYSTEM RESET SW1001 /RES 1 OUT IC1003 TAB_SW R311N311A/C Q1007 POWER_FAIL POWER_FAIL (DC) AT+5.6V BUFFER MSSEN_A EXT_IN-L EXT_IN_L MS_SEN A Q1009 J2202 FRONT_A_IN MSSEN_B FRONT_V_IN J2203 MS_SEN B Q1003 TUNERMUTE TU_AUDIO_MUTE_H Q1002 CENT LED SENSOR SW VCR_MUTE VCR_A_MUTE...
  • Page 39 T' TEXT BLOCK DIAGRAM T'TEXT IC1201 ET-TVT008B X1201 TEXT_RESET STANDBY 13875KHz MICON/ OPERATION/ OSD_R POWER OSD_G Q1262 OSD_B OSD_Y BLANK BUFFER BLUE 29 GREEN TRIPLE ANALOG MPXER IC 30 RED IC1202 MM1231XF SYNC TEXT_R TEXT_G TEXT_B TEXT_Y Q1253 SYNC TEXT_SYNC BUFFER...

  • Page 40: Printed Circuit Boards Syscon/Crt/Power Sw

    PRINTED CIRCUIT BOARDS SYSCON/CRT/POWER SW. (INSERTED PARTS) SOLDER SIDE R1037 C1037 W840 W045 R450 CP302 HS1002 J2201 W121 R1052 D1004 R1038 W838 W184 W119 W044 W180 C2206 C421 W115 R2206 L1001 T401 W904 R2204 IC1007 W112 HS1001 W263 W111 R2216 W110 W811 W179...
  • Page 41 PRINTED CIRCUIT BOARDS SYSCON/CRT (CHIP MOUNTED PARTS) SOLDER SIDE C1006 R816 C805_1 R813 C811 C640 C821 R636 C822 C359 R2215 R359 C2204 Q1007 R656 R4030 R352 Q4207 Q351 R4208 Q4205 R4220 C646 C670 R4239 R626 C4217 R607 R2212 R616 C634 R609 R4053 C4089...

  • Page 42: Power

    PRINTED CIRCUIT BOARDS POWER SOLDER SIDE CP851A W004 CP401A D535 R509 R506 D518 D513 R532 R502 Q507 C509 W009 R543 W008 B502 D506 C554 C521 D522 D515 Q501 R503 VR502 B501_1 R529 C504 D523 D512 D508 C507 C516 D509 D505 C520 L502 C505...

  • Page 43: Y/C/Audio/Head Amp

    Y/C/AUDIO/HEAD AMP SCHEMATIC DIAGRAM (SYSCON PCB) L4002 100uH R4075 R4042 0305 BUFFER Y/C_V R4065 TP4002 Q4006 W871 2SA1037AK V.ENV FROM POWER P.CON+5V_A S104X S104Y Q4007 R4055 2SC2412K Y/C_A TO T’TEXT L4008 R4053 R4054 Y/C_V C4035 560K 330K P.CON+9V 0.01 B FROM/TO CHROMA FROM/TO CYL/MOTOR TUNER_V...

  • Page 44: Micon

    D1006 MICON SCHEMATIC DIAGRAM FROM/TO POWER D1010 SB140-EIC AT+5.6V SB140-EIC (SYSCON PCB) R1096 AT+5V POWER_FAIL[DC] C1072 C1030 VCR_POWER_H 68P CH 0.1 F P.CON+5V STANDBY_H T-REC_LED REC_LED C1060 REMOCON_IN 0.1 B AT+12V MOTOR_GND 3.3 2.6 2.5 5.2 1.5 1.6 3.6 3.6 KEY_A C1047 R1024...

  • Page 45: Power

    POWER SCHEMATIC DIAGRAM FROM/TO DEFLECTION (SYSCON PCB) H_GND PROTECTOR AT+13V TO Y/C/A/H.AMP 5V REG. IC P.CON+9V IC1005 FROM TV POWER KIA78R05PI P.CON+5V_A 5.6V REG. IC IC1001 CD401 CP401B KIA7805API CU251201 B2013H02-5P FROM/TO MICON VCR_POWER_H POWER_FAIL[DC] H_GND H_GND R1040 P.CON+5V_A H_GND AT+12V 100 1/4W P.CON+5V...

  • Page 46: 21Pin/In/Out

    21PIN/IN/OUT SCHEMATIC DIAGRAM (SYSCON PCB) FROM/TO MICON W869 C4206 KEY_A (UK) 0.01 B FROM/TO POWER KEY_B AT+5V P.CON+5V TUNER_ON/OFF REM+5V EXT_IN_L C4217 TU_AUDIO_MUTE_H REM+5V 0.01 B P.CON+8V C2205 C2206 6.3V TP4201 VIDEO OUT C4209_1 R4223 R4222 R4221 FROM CHROMA/IF TUNER_A JACK_V J4201 0350_9982_05...

  • Page 47: Chroma/If

    CHROMA/IF SCHEMATIC DIAGRAM (SYSCON PCB) L613 FROM/TO 21PIN IN/OUT P.CON+8V 100uH 0305 P.CON+5V TUNER_A FROM/TO MICON JACK_V 21_B 21_G PROTECT 21_R AGC_M 21_Y IIC_OFF TEXT_SYNC L608 BUFFER CF601_1 Q608 TSF5372P 18uH 2SC2412K R604 R649 GNDOUTOUT BUFFER TEST POINT TO SOUND AMP Q602 CP603 06JQ-ST...
  • Page 48 SOUND AMP SCHEMATIC DIAGRAM (SYSCON PCB) SOUND AMP IC IC352 AN7523 FROM/TO POWER R308 SP_OUT SOUND+ C359 FROM MICON 0.01 B M.P.OFF_H R359 R353 TV_POWER_H 4.7K R355 A_MUTE SW TV_A_MUTE Q351 CP302 CD302 2SC2412K VOL_CTL CU12414A SPEAKER TID-X02P-M1 SP351 SP OUT FROM POWER C357 SOUND GND...

  • Page 49: T'text

    T’TEXT SCHEMATIC DIAGRAM (SYSCON PCB) L1203 10uH BUFFER 0305 Q1101 R1115 KTD863_Y 1.5K BUFFER 5.21 Q1104 2SC2412K R1108 FROM Y/C/A/H.AMP R1255 Y/C_V FROM POWER P.CON+9V L1202 W863 AT+5V 10uH 0305 D1202 AT+5.6V 11E1-EIC C1257 SYNC BUFFER Q1253 6.3V 2SC2412K T’TEXT IC IC1201 W897 ET-TVT008B...

  • Page 50: Deflection

    DEFLECTION SCHEMATIC DIAGRAM (SYSCON PCB) V-DRIVE IC IC401 TDA8174A TO DY CP402 A1561WV2-A5P R404 330K 1/4W FB401_1 FQI-14B001 247.6 D403 126.0 C401 VIDEO 11E1-EIC L402 500V 131.0 ELH5L4112N R448 R406 R420 2.7K 1/4W 4.7K 1K 1W C450 220P V801 HS401 763WSAA013 A34JXV70X53N45 C431...
  • Page 51 CRT SCHEMATIC DIAGRAM (CRT PCB) 126.5 J801_1 HPS3200-010501 104.1 127.5 127.5 TP801 R802 BLUE AMP Q804_1 KTC4217 132.5 15K 1W R807 2.7K 1/4W (POWER SW PCB) FROM CHROMA/IF CP853B (CP852A) B2013H02-4P R811 CD502 CUU23001 G.OUT G.OUT C809 TP802 B.OUT B.OUT R.OUT 680P B R805...

  • Page 52: Tv Power

    TV POWER SCHEMATIC DIAGRAM (POWER PCB) C516 500V 470P D505 SB290S TP502 D509 SB290S D510_1 FROM/TO POWER RU2AM-EIC CP401A A2001WV2-5P DEGAUSS COIL W804 L503 028R140018 CP502 C517 A1561WV2-2P H GND R501_1 0.0012 H GND R505 L501 0R7A223F24 TH501 0.22 B59104-T80-B10 D511 R511 1N4937...

  • Page 53: Interconnection Diagram

    INTERCONNECTION DIAGRAM TM101 HEADPHONE JACK OS2201 WHITE YELLOW FROM J2201 TM101 OS2201 FRONT AUDIO JACK FRONT VIDEO JACK Vout J2202 J2203 HALL MAIN ROTOR SENSOR COIL MAGNET FG SENSOR CAPSTAN DD UNIT SPEAKER CD302 CP302 M2001 SP + SP - SP351 8 OHM HALL...

  • Page 54: Waveforms

    WAVEFORMS Y/C/AUDIO/HEAD AMP MICON 11 REC 1.0V 5µs/div 1.0V 10µs/div 20.0V 5µs/div 1.0V 5µs/div 12 REC 50mV 5ms/div 2.0V 1ms/div 13 PB 20.0V 2ms/div 2.0V 20µs/div 2.0V 0.5µs/div 14 PB 0.5V 0.5ms/div 0,5V 10ms/div 2.0V 0.5µs/div 10 PB 15 REC 2.0V 10ms/div 2.0V 1ms/div 100mV 0.5ms/div...
  • Page 55 WAVEFORMS CHROMA/IF 25 50.0V 20µs/div 16 PB 21 REC 2.0V 5ms/div 2.0V 20µs/div SOUND AMP 26 50.0V 20µs/div 22 REC 17 REC 0.5V 0.5ms/div 2.0V 5ms/div DEFLECTION 18 REC 23 20.0V 5ms/div 27 50.0V 20µs/div 2.0V 20µs/div TV POWER 21PIN/IN/OUT 50 AV OUT 5V 10ms/div 19 AV OUT...

  • Page 56: Mechanical Exploded Views

    MECHANICAL EXPLODED VIEW J801 PCB110 (CRT PCB) L503 V801 PCB340 (POWER SW PCB) SW501 SP351 I1-1...
  • Page 57 MECHANICAL EXPLODED VIEW PCB020 (POWER PCB) TU601 J4201 FB401 PCB010 (SYSCON PCB) I1-2...

  • Page 58: Chassis Exploded Views

    CHASSIS EXPLODED VIEW (TOP VIEW) M2003 UN4001 H5002 H5001 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 59 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 60: Mechanical Replacement Parts List

    MECHANICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description BZ610283 A5A513I720 CABINET,FRONT ASSY BZ710466 752WSA0230 SHIELD,CASE HEAD AMP BZ710479 752WSA0238 SHIELD,CASE BZ710494 752WSA0245 PLATE,SHIELD BOTTOM BZ710235 753WSA0120 PLATE,BOTTOM-EARTH BZ710495 753WSA0142 PLATE,EARTH-SYSCON BZ710331 753WUAA006 SPRING,EARTH HEAD AMP BZ710496 761WPA0234 HOLDER,DECK BZ710497 85OP700037...

  • Page 61: Chassis Replacement Parts List

    CHASSIS REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description BZ610284 A5A513I420A DECK ASSY A5A513I420A BZ710513 85OA400227 PINCH ROLLER BLOCK BZ710514 85OP900746 BRACKET,TOP 3V 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 62 CHASSIS REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description BZ710049 8107226804 SCREW,TAP TITE(S) BIND 2.6x8 BZ710051 810A123504 SEMS A M2.3x5.0 BZ710371 8107226404 SCREW,TAP TITE(S) BIND 2.6x4 BZ710046 8102120604 SCREW,PAN M2x6 BZ710050 8109126604 SCREW,TAP TITE(B) PAN 2.6x6 BZ710553 810A130404 SCREW/WASHER(A) M3x4 BZ710219...

  • Page 63: Electrical Replacement Parts List

    ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description RESISTORS ! R356 BZ210111 R3X28B3R3J R,METAL 3.3 OHM 3W ! R402 BZ210210 R3X28A1R2J R,METAL OXIDE 1.2 OHM 2W ! R430 BZ210211 R3X28B221J R,METAL 220 OHM 3W ! R447 BZ210021 R65582680J R,FUSE OHM 1/2W...
  • Page 64 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description DIODES D608 BZ410058 D97U08R21B DIODE,ZENER MTZJ8.2B T-77 BZ410105 D94TA8R2J2 DIODE,ZENER HZS8R2JB2-TE D609 BZ410006 D1VT001330 DIODE,SILICON 1SS133T-77 D610 BZ410006 D1VT001330 DIODE,SILICON 1SS133T-77 D611 BZ410006 D1VT001330 DIODE,SILICON 1SS133T-77 D1001 BZ410048 D1VTB721Q0 DIODE,SCHOTTKY RB721Q-40 T-77 D1002...
  • Page 65 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description TRANSISTORS Q4007 BZ510002 T8YJ2412K0 TRANSISTOR,SILICON 2SC2412KT146 R,S Q4015 BZ510088 TNAAD05001 COMPOUND TRANSISTOR KRC104SRTK Q4018 BZ510002 T8YJ2412K0 TRANSISTOR,SILICON 2SC2412KT146 R,S Q4202 BZ510001 T6YJ1037K0 TRANSISTOR,SILICON 2SA1037AKT146R,S Q4205 BZ510002 T8YJ2412K0 TRANSISTOR,SILICON 2SC2412KT146 R,S Q4207 BZ510002 T8YJ2412K0...
  • Page 66 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description MISCELLANEOUS ANT001 BZ614094 125C500017 ANTENNA,LOOP TU-33AP B401 BZ310130 024HT03564 CORE,BEADS W4BRH3.5X6X1 B501 BZ310121 024HT03553 CORE,BEADS W5RH3.5X5X1.0 B502 BZ310122 024HT03563 CORE,BEADS W4BRH3.5X6X1.0X2 B505 BZ310122 024HT03563 CORE,BEADS W4BRH3.5X6X1.0X2 B2201 BZ310121 024HT03553 CORE,BEADS W5RH3.5X5X1.0 B2202...
  • Page 67 TOSHIBA VIDEO PRODUCTS PTE. LTD. 438B ALEXANDRA ROAD, BLOCK B #06-01 ALEXANDRA TECHNOPARK SINGAPORE 119968...

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