Toshiba 13A21C Service Manual
  1. Manuals
  2. Brands
  3. Toshiba Manuals
  4. TV
  5. 13A21C
  6. Service manual
Toshiba 13A21C Service Manual

Toshiba 13A21C Service Manual

Toshiba service manual tv 13a21c
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
FILE NO. 050-200111
SERVICE MANUAL
COLOR TELEVISION
13A21C

Advertisement

Table of Contents
loading

Related Manuals for Toshiba 13A21C

Summary of Contents for Toshiba 13A21C

  • Page 1 FILE NO. 050-200111 SERVICE MANUAL COLOR TELEVISION 13A21C...

  • Page 2: Servicing Notices On Checking

    SERVICING NOTICES ON CHECKING 1. KEEP THE NOTICES As for the places which need special attentions, they are indicated with the labels or seals on the cabinet, chassis and parts. Make sure to keep the indications and notices in the operation manual. 2.

  • Page 3: General Specifications

    GENERAL SPECIFICATIONS System Color System Speaker Sound Output NTSC3.58+4.43 /PAL60Hz Tuning Broadcasting System System Tuner and Receive CH Intermediate Frequency Preset CH Stereo/Dual TV Sound Tuner Sound Muting Power Power Source Power Consumption Protector Regulation Temperature Operating Humidity On Screen Menu Display CRT Size / Visual Size...
  • Page 4 CH RTN/CH ENT(Quick View) Sleep RE Call(Call) Reset Menu Enter Mute Exit MTS(Audio Select) Set + Set - CH Up(VCR) CH Down(VCR) Pause/Still TV/VCR(VCR) Code Play Stop Cable English French Spanish English 120 Min RC-EH Toshiba 40-BF h UM-4 x 2 pcs Keys...
  • Page 5 GENERAL SPECIFICATIONS G-11 Features Auto Degauss Auto Shut Off Canal+ CATV Anti-theft Rental Memory(Last CH) Memory(Last Volume) V-Chip Auto Search CH Allocation Channel Lock Just Clock Function Game Position CH Label VM Circuit Full OSD Premiere Comb Filter Auto CH Memory Hotel Lock Closed Caption Stable Sound...
  • Page 6 GENERAL SPECIFICATIONS G-13 Interface Switch Indicator Terminals G-14 Set Size G-15 Weight G-16 Carton G-17 Cabinet Material Front Power System Select Main Power SW Sub Power Channel Up/Reset Channel Down/Enter Volume Up/Set Up Volume Down/Set Down MENU=Volume Up+Volume Down Rear AC/DC TV/CATV Selector Degauss...

  • Page 7: Removal Of Anode Cap

    1. REMOVAL OF ANODE CAP Read the following NOTED items before starting work. After turning the power off there might still be a potential voltage that is very dangerous. When removing the Anode Cap, make sure to discharge the Anode Cap's potential voltage.

  • Page 8: Removal And Installation Of Flat Package Ic

    REMOVAL AND INSTALLATION OF FLAT PACKAGE IC REMOVAL Put the Masking Tape (cotton tape) around the Flat Package IC to protect other parts from any damage. (Refer to Fig. 2-1.) NOTE Masking is carried out on all the parts located within 10 mm distance from IC leads.
  • Page 9 INSTALLATION Take care of the polarity of new IC and then install the new IC fitting on the printed circuit pattern. Then solder each lead on the diagonal positions of IC temporarily. (Refer to Fig. 2-5.) Soldering Iron Solder temporarily Supply the solder from the upper position of IC leads sliding to the lower position of the IC leads.

  • Page 10: Service Mode List

    This unit provided with the following SERVICE MODES so you can repair, examine and adjust easily. To enter the Service Mode, press both set key and remote control key for more than 1 second. Remocon Key Set Key VOL. (-) MIN VOL.

  • Page 11: Before Making Electrical Adjustments

    BEFORE MAKING ELECTRICAL ADJUSTMENTS Read and perform these adjustments when repairing the circuits or replacing electrical parts or PCB assemblies. CAUTION • Use an isolation transformer when performing any service on this chassis. • Before removing the anode cap, discharge electricity because it contains high voltage.
  • Page 12 110% 2-6: HORIZONTAL PHASE Receive the center cross signal from the Pattern Generator. Activate the adjustment mode display of Fig. 1-1 and press the channel button (05) on the remote control to select "H PHASE". Press the VOL. UP/DOWN button on the remote control until the SHIFT quantity of the OVER SCAN on right and left becomes minimum.

  • Page 13: Purity And Convergence Adjustments

    PURITY AND CONVERGENCE ADJUSTMENTS NOTE Turn the unit on and let it warm up for at least 30 minutes before performing the following adjustments. Place the CRT surface facing east or west to reduce the terrestrial magnetism. Turn ON the unit and demagnetize with a Degauss Coil. 3-1: STATIC CONVERGENCE (ROUGH ADJUSTMENT) Tighten the screw for the magnet.

  • Page 14: Major Components Location Guide

    MAJOR COMPONENTS LOCATION GUIDE R606 TU001 FB401 CP601 FOCUS VOLUME SCREEN VOLUME MAIN PCB TP023 TP022 J801 CRT PCB...

  • Page 15: Block Diagram

    CH UP VOL UP MICON IC CH DOWN IC101 OEC7063A VOL DOWN P02/AUDIO MUTE AD6/KEY2 POWER CVIN RED R AD5/KEY1 GREEN G BLUE B OS101 OUT1/BLANK BL INT1/REMOCON P50/H. SYNC AT+5V P51/V. SYNC SCL1 SDA1 RESET 19 XIN X101 EFOEC8004T4 20 XOUT 29 X-RAY Q503...
  • Page 16 PRINTED CIRCUIT BOARDS MAIN/CRT (INSERTED PARTS) D509 C526_1 W804 R542 Q502 FB401 C511 C501 C520 D508 D512 W026 W074 Q504 W106 C442_1 D528 W024 T502 C443 D411 D518 Q503 Q401 R409 C422 C418 R523 R525 HS402 R416 W107 W098 R423 W070 W023 R414...
  • Page 17 PRINTED CIRCUIT BOARDS MAIN/CRT (CHIP MOUNTED PARTS) SOLDER SIDE R605 R134 C120 R626 C138 C650 IC101 R634 IC601 C140 R127 R122 C116 R007 R420 R132 R113 R702 R360 C353 R512 R813...
  • Page 18 ACCESSORY UM-4 BT001 R03(AB)E_20_T UM-4 TM101 RC-EH010 BT002 R03(AB)E_20_T OS101 PIC-28143SY-2 R116 R117 R111 R114 R115 W822 C140 100P SL C122 R130 C121 C120 200P CH 0.001 Y C124 C130 0.01 X101_1 EFOEC8004T4 NOTE: THE DC VOLTAGE AT EACH PART WAS MEASURED WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.

  • Page 19: Chroma Schematic Diagram

    FROM TV POWER UNREG+12V Q603 KTC3203_Y CF603 EFCT4R5YS5A R634 FROM/TO SOUND/AV R611 W806 AUDIO_OUT C604 C642 AUDIO_IN C655 W827 0.0068 Y C623 0.0033 M C632 R618 10M 1/4W R632 C621_1 0.01 Y W817 C626 0.001 Y FROM/TO MICON/TUNER C602_1 0.01 F R606 Y_VIDEO AT+5V...

  • Page 20: Tv Power Schematic Diagram

    CAUTION: FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, REPLACE ONLY WITH THE SAME TYPE 4A 125V (F501) FUSE. ATTENTION: POUR UNE PROTECTION CONTINUE LES RISQUES 4A 125V D’INCEIE N’UTILISER QUE DES FUSIBLE DE MEME TYPE 4A 125V (F501). DEGAUSS COIL L503 8R140030 CP502 TV-50P-02-A1...
  • Page 21 DEFLECTION/CRT SCHEMATIC DIAGRAM FROM CHROMA CLAMP G.OUT R.OUT B.OUT V-OUT IC IC401 AN5522 THERMAL PROTECTION 25.0 R414 100 1/4W HS401 763WSA0004 R401 100K 1/4W TO MICON/TUNER +-1% R409 D402 X-RAY MTZJ11B 12K +-1% T401 305Y001 C439 500V FROM/TO CHROMA V_FEEDBACK V_OUT ABCL H_OUT...
  • Page 22 TO CHROMA AUDIO_IN VIDEO_IN FROM TV POWER SOUND_GND SOUND+B FROM MICON/TUNER AUDIO_MUTE POWER FROM CHROMA AUDIO_OUT NOTE: THE DC VOLTAGE AT EACH PART WAS MEASURED NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
  • Page 23 MICON/TUNER 200mV 200ms/div 0.5V 20 s/div 3 200mV 20 s/div 200mV 5ms/div CHROMA 0.5V 2ms/div WAVEFORMS 0.5V 20 s/div 500mV 20 s/div 20V 20 s/div 9 200mV 20 s/div 0.5V 5ms/div NOTE: The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram.
  • Page 24 16 2V 20 s/div 200V 20 s/div 10V 5ms/div 10V 5ms/div 50V 20 s/div WAVEFORMS 21 50V 20 s/div 22 50V 20 s/div SOUND/AV 0.5V 1ms/div 1V 1ms/div 25 500mV 1ms/div NOTE: The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram.

  • Page 25: Mechanical Exploded View

    MECHANICAL EXPLODED VIEW L503 V801 J801 PCB110 (CRT PCB) FB401 TU001 PCB010 (MAIN PCB) SP351...

  • Page 26: Mechanical Replacement Parts List

    MECHANICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. AD300815 A3J816A720 BZ710009 741WUA0019 AD300802 713WPAA038 AD300808 735WPA0396 AD300801 701WPJB228 AD300803 713WPAA039 AD300804 735WPBA226 BZ710260 899HV3T000 AD300805 702WPAA136 AD300816 722549A027 AD300843 800WQ00044 AD300132 7230006818 AD300807 726000A016 BZ710275 8121J50B54 BZ710035 8117540A64 BZ710019 8109630802 BZ710239...

  • Page 27: Electrical Replacement Parts List

    ELECTRICAL REPLACEMENT PARTS LIST Location No. USA-TOSHIBA ! R401 BZ210013 R4X5T4104F ! R405 BZ210023 R4X5T4183F ! R406 AD300780 R903N8102J ! R407 BZ210053 R002T22R2J ! R408 AD300037 R4X5T6153F ! R409 BZ210114 R4X5T6123F ! R426 AD300651 R002T4272J ! R429 BZ210116 R655814R7J ! R500...
  • Page 28 ELECTRICAL REPLACEMENT PARTS LIST Location No. USA-TOSHIBA D602 BZ410058 D97U08R21B D605 BZ410043 D2WT011E10 D610 AD300070 D97U01201B D611 AD300070 D97U01201B D612 AD300070 D97U01201B D613 BZ410006 D1VT001330 D615 BZ410006 D1VT001330 D616 BZ410006 D1VT001330 IC101 AD300672 I56F07063A IC199 AD300790 A3J813A015 ! IC351 BZ611001...
  • Page 29 ELECTRICAL REPLACEMENT PARTS LIST Location No. USA-TOSHIBA ! TH501 BZ410079 DF5EL3R0A0 TM101 AD300690 076N0EH010 ! TU001 BZ610125 0145K00055 ! V801 BZ614141 098Q1404B2 X101 AD300624 1001T8R004 X602 BZ613004 100CT3R505 RESISTOR RC... CARBON RESISTOR CAPACITORS CC... CERAMIC CAPACITOR CE... ALUMI ELECTROLYTIC CAPACITOR CP...
  • Page 30 TOSHIBA OF CANADA LTD. HEAD OFFICE / 191 McNABB STREET MARKHAM,ONTARIO L3R 8H2,CANADA...

Table of Contents