Toshiba VTV1403B Service Manual
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Toshiba VTV1403B Service Manual

Color television/ video cassette recorder
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FILE NO. 140-200227
SERVICE MANUAL
COLOR TELEVISION/
VIDEO CASSETTE RECORDER
VTV1403B

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Summary of Contents for Toshiba VTV1403B

  • Page 1 FILE NO. 140-200227 SERVICE MANUAL COLOR TELEVISION/ VIDEO CASSETTE RECORDER VTV1403B...

  • Page 2: Tv Block Diagram

    TV BLOCK DIAGRAM 21_B T'TEXT TEXT_SYNC Y/C/AUDIO/ 21_G HEAD AMP/ Q602 21_R 21PIN/IN/OUT 21_Y BUFFER TUNER_V TUNER_A Q403 SWITCHING H_CTL CF605 Y/C/AUDIO/ Y/C_A HEAD AMP/ S-TRAP MICON/ 21PIN/IN/OUT OPERATION Q601, Q611 V-DRIVE IC401 TDA8174A Q608 PROTECT BUFFER JACK_V Q405 Q406 H-DRIVE H.OUTPUT TU601...
  • Page 3 Y/C/AUDIO/HEAD AMP/21PIN/IN/OUT BLOCK DIAGRAM PDC/VPD DECODER IC4002 SDA5650/X 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...
  • Page 4 MICON BLOCK DIAGRAM SYSCON/TIMER/SERVO IC1006 OEC0107B SYSTEM RESET SW1001 IC1003 /RES 1 OUT TAB_SW R3111N311A/C Q1007 POWER_FAIL POWER_FAIL (DC) AT+5.6V BUFFER MSSEN_A MS_SEN A Q1009 EXT_IN-L EXT_IN_L MSSEN_B MS_SEN B Q1003 TUNER MUTE TU_AUDIO_MUTE_H P.CON+5V SYNC IN C. SYNC VCR_MUTE VCR_A_MUTE CTL(+) CTL+...
  • Page 5 T' TEXT BLOCK DIAGRAM T'TEXT IC1201 ET-TVT008B X1201 TEXT_RESET RSTB 13875KHz OSC IN MICON/ OSC OUT OPERATION OSD_R OSD_G Q1262 OSD_B Y/C/AUDIO/ OSD_Y VIDEO IN BLANK Y/C_V BUFFER HEAD AMP/ 21PIN/IN/OUT BLUE 29 GREEN TRIPLE ANALOG MPXER IC 30 RED IC1202 MM1231XF SYNC...
  • Page 6 PRINTED CIRCUIT BOARDS SYSCON/CRT/POWER SW (INSERTED PARTS) SOLDER SIDE R1037 C1037 R450 W840 W045 CP302 HS1002 W121 J2201 R1052 D1004 R1038 W044 W184 W119 W838 C2206 W180 C421 R2206 W115 W904 L1001 T401 R2204 IC1007 HS1001 W112 W263 W262 W111 R2216 W110 W880...
  • Page 7 PRINTED CIRCUIT BOARDS SYSCON/CRT (CHIP MOUNTED PARTS) SOLDER SIDE C1006 R816 C805_1 R813 C811 C640 R4213 C821 R636 C822 C359 R2215 R359 C2204 Q1007 R656 R4030 R352 Q4207 Q351 R4208 Q4205 R4220 C670 C646 R4239 R626 C4217 R607 R2212 R616 C634 R609 R4053...
  • Page 8 PRINTED CIRCUIT BOARDS POWER SOLDER SIDE CP851A W004 CP401A D535 R509 R506 D518 D513 R532 R502 Q507 C509 R543 W009 C554 D506 B502 W008 D522 C521 D515 Q501 R503 VR502 B501_1 D523 R529 C504 T501 D512 D508 C507 C516 D509 D505 C520 L502...

  • Page 9: Y/C/Audio/Head Amp Schematic Diagram

    Y/C/AUDIO/HEAD AMP SCHEMATIC DIAGRAM (SYSCON PCB) L4002 100uH R4075 R4042 0305 BUFFER FROM POWER Y/C_V R4065 TP4002 Q4006 W871 2SA1037AK FRONT_V_IN V.ENV FRONT_A_IN_L P.CON+5V_A S104X S104Y Q4007 2SC2412K R4055 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...

  • Page 10: Micon Schematic Diagram

    D1006 MICON SCHEMATIC DIAGRAM FROM/TO POWER D1010 SB140-EIC AT+5.6V SB140-EIC (SYSCON PCB) AT+5V R1096 C1072 C1030 68P CH 0.1 F POWER_FAIL[DC] VCR_POWER_H P.CON+5V STANDBY_H T-REC_LED C1060 REC_LED 0.1 B REMOCON_IN 5.1 5.1 5.1 3.2 1.5 1.6 4.7 4.7 5.1 5.1 5.0 AT+12V C1047 MOTOR_GND...

  • Page 11: Power Schematic Diagram

    POWER SCHEMATIC DIAGRAM (SYSCON PCB) FROM/TO DEFLECTION H_GND PROTECTOR AT+13V TO Y/C/AUDIO/HEAD AMP FRONT_V_IN P.CON+9V 5V REG. IC TO TV POWER IC1005 KIA78R05PI P.CON+5V_A 5V RGULATOR 1A IC CD401 IC1001 CP401B (CP401A) CU251201 KIA7805API FRONT_A_IN_L B2013H02-5P FROM/TO MICON VCR_POWER_H POWER_FAIL[DC] H_GND H_GND R1040...

  • Page 12: 21Pin/In/Out Schematic Diagram

    21PIN/IN/OUT SCHEMATIC DIAGRAM (SYSCON PCB) FROM/TO MICON KEY_B W869 C4206 KEY_A 0.01 B FROM/TO POWER AT+5V REM+5V C4217 TUNER_ON/OFF REM+5V 0.01 B EXT_IN_L C2205 P.CON+8V TU_AUDIO_MUTE_H C2206 6.3V TP4201 VIDEO OUT C4209_1 R4223 R4222 R4221 FROM CHROMA/IF TUNER_A JACK_V J4201 0350_9982_05 W817 W804...

  • Page 13: Chroma/If Schematic Diagram

    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 AGC_M 21_R 21_Y IIC_OFF TEXT_SYNC SAW FILTER L608 BUFFER CF601_1 Q608 TSF5372P 18uH 2SC2412K TEST POINT R604 R649 GNDOUTOUT BUFFER CP603 Q602 TO SOUND AMP...

  • Page 14: Sound Amp Schematic Diagram

    SOUND AMP SCHEMATIC DIAGRAM (SYSCON PCB) SOUND AMP IC IC352 AN7523 C363 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 VOL_CTL CP302 CD302 2SC2412K CU12414A SPEAKER TID-X02P-M1 FROM POWER SP351 SP_OUT C357...

  • Page 15: T'text Schematic Diagram

    T’TEXT SCHEMATIC DIAGRAM (SYSCON PCB) L1203 10uH 0305 BUFFER Q1101 R1115 KTD863_Y 1.5K BUFFER 5.21 Q1104 2SC2412K R1108 FROM Y/C/AUDIO/HEAD 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...

  • Page 16: Deflection Schematic Diagram

    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 VIDEO 11E1-EIC L402 131.0 ELH5L4112N R448 R406 R420 2.7K 1/4W 4.7K 1K 1W C450 220P V801 HS401 763WSAA013 A34JXV70X53N45 C431 (CPJ370BVBK1S-TC) 250V...

  • Page 17: Crt Schematic Diagram

    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 FROM/TO TV POWER CP853B (CP852A) B2013H02-4P R811 CD502 CHU23001 G.OUT G.OUT C809 TP802 B.OUT B.OUT...

  • Page 18: Tv Power Schematic Diagram

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

  • Page 19: 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 20: Y/C/Audio/Head Amp

    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 21: Sound Amp

    WAVEFORMS CHROMA/IF 26 50.0V 20µs/div 16 PB 21 REC 2.0V 5ms/div 2.0V 20µs/div SOUND AMP 22 REC 17 REC 27 50.0V 20µs/div 0.5V 0.5ms/div 2.0V 5ms/div DEFLECTION TV POWER 18 REC 23 20.0V 5ms/div 50 5V 10ms/div 2.0V 20µs/div 21PIN/IN/OUT 24 5.0V 20µs/div 51 5V 10ms/div 19 AV OUT...
  • Page 22 TOSHIBA VIDEO PRODUCTS PTE. LTD. 438B ALEXANDRA ROAD, BLOCK B #06-01 ALEXANDRA TECHNOPARK SINGAPORE 119968...

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