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FILE NO. 050-200111
SERVICE MANUAL
COLOR TELEVISION
13A21C
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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. Make sure to keep the voltage peripheral circuit, etc. indications and notices in the operation manual. Therefore, when repairing the high voltage pe- ripheral circuit, use the designated parts and 2. AVOID AN EL
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GENERAL SPECIFICATIONS G-1 TV CRT CRT Size / Visual Size 13 inch / 335.4mmV System CRT Type Normal Deflection 90 degree Magnetic Field BV/BH +0.45G/0.18G Color System NTSC Speaker 1Speaker Position Bottom Size 3 Inch Impedance 8 ohm Sound Output MAX 1.0 W 10%(Typical) 0.8 W NTSC3.58+4.43 /PAL60Hz No G-2 Tuning Broadcasting System US System M System Tuner and System 1Tuner Receive CH Destination Ohers Tuning System F-Synth Input Impedance VHF/UHF 75 ohm 2 - 69, 4A, A-5 - A-1
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GENERAL SPECIFICATIONS G-8 OSD Language English French Spanish OSD Language Setting English G-9 Clock and Sleep Timer Max Time 120 Min Timer Step 10 Min On/Off Timer Program(On Tim / Off Tim) No Wake Up Timer No Timer Back-up (at Power Off Mode) more than -- Min Sec G-10 Remote Unit RC-EH Control Glow in Dark Remocon No Format Toshiba Custom Code 40-BF h Power Source Voltage(D.C) 3V UM size x pcs UM-4 x 2 pcs Total Keys 27
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GENERAL SPECIFICATIONS G-11 Features Auto Degauss Yes Auto Shut Off Yes Canal+ No CATV Yes Anti-theft No Rental No Memory(Last CH) Yes Memory(Last Volume) Yes V-Chip No Type USA,ORION Type BBE No Auto Search No CH Allocation No SAP No Channel Lock No Just Clock Function No Game Position No CH Label No VM Circuit No Full OSD No Premiere No Comb Filter No Lines Auto CH Memory Yes Hotel Lock No Closed Caption Yes Stable Sound No FBT Leak Test Protect Yes Favorite CH No G-12 Accessories O
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GENERAL SPECIFICATIONS G-13 Interface Switch Front Power Yes System Select No Main Power SW No Sub Power No Channel Up/Reset Yes Channel Down/Enter Yes Volume Up/Set Up Yes Volume Down/Set Down Yes MENU=Volume Up+Volume Down Yes Rear AC/DC No TV/CATV Selector No Degauss No Main Power SW No Indicator Power Yes Stand-by No On Timer No Terminals Front Video Input RCA Audio Input RCA x 1 Other Terminal Ear Phone Rear Video Input(Rear1) No Video Input(Rear2) No Audio Input(Rea
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DISASSEMBLY INSTRUCTIONS 3. After one side is removed, pull in the opposite direction to 1. REMOVAL OF ANODE CAP 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. voltage that is very dangerous. When removing the Anode Cap, make sure to discharge the Anode Cap's INSTALLATION potential voltage. 1. Clean the spot where the cap was located with a small * Do not use pliers
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DISASSEMBLY INSTRUCTIONS 3. When IC starts moving back and forth easily after 2.REMOVAL AND INSTALLATION OF 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. 2-3.) REMOVAL NOTE 1. Put the Masking Tape (cotton tape) around the Flat Some ICs on the PCB are affixed with glue, so be Package IC to protect other parts from any damage. careful not to break or damage the foil of each IC (Refer
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DISASSEMBLY INSTRUCTIONS INSTALLATION 4. When bridge-soldering between terminals and/or the soldering amount are not enough, resolder using a Thin- 1. Take care of the polarity of new IC and then install the tip Soldering Iron. (Refer to Fig. 2-8.) new IC fitting on the printed circuit pattern. Then solder each lead on the diagonal positions of IC temporarily. (Refer to Fig. 2-5.) IC Thin-tip Soldering Iron Soldering Iron Fig. 2-8 5. Finally, confirm the soldering status on four sides of the Sol
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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. Set Key Remocon Key Operations 0 Releasing of V-CHIP PASSWORD. VOL. (-) MIN Initialization of the factory. VOL. (-) MIN 1 NOTE: Do not use this for the normal servicing. POWER ON total hours is displayed on the screen. Refer to the "CONFIRMATION OF USING HOURS". VOL. (-) MIN 6 Can be checke
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ELECTRICAL ADJUSTMENTS 1. BEFORE MAKING ELECTRICAL 2. BASIC ADJUSTMENTS ADJUSTMENTS 2-1: RF AGC DELAY Read and perform these adjustments when repairing the Place the set with Aging Test for more than 15 minutes. 1. circuits or replacing electrical parts or PCB assemblies. 2. Receive a 63dB monoscope pattern. 3. Connect the digital voltmeter to R606. CAUTION 4. Activate the adjustment mode display of Fig. 1-1 and • Use an isolation transformer when performing any press the channel button (02) on
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ELECTRICAL ADJUSTMENTS 2-9: OSD HORIZONTAL 1. Activate the adjustment mode display of Fig. 1-1. 2. Press the VOL. UP/DOWN button on the remote control until the difference of A and B becomes minimum. (Refer to Fig. 2-3) "A" Fig. 2-1 TV 0% 00 OSD 15 110% A B Fig. 2-3 100% 2-10: VIF VCO Fig. 2-2 1. Place the set with Aging Test for more than 10 minutes. 2. Receive an 80dB monoscope pattern. 2-6: HORIZONTAL PHASE 3. Connect the digital voltmeter between the pin 5 of 1. Receive the center cro
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ELECTRICAL ADJUSTMENTS 3-3: STATIC CONVERGENCE 3. PURITY AND CONVERGENCE ADJUSTMENTS NOTE Adjust after performing adjustments in section 3-2. NOTE 1. Receive the crosshatch pattern from the color bar 1. Turn the unit on and let it warm up for at least 30 generator. minutes before performing the following adjustments. 2. Combine red and blue of the 3 color crosshatch pattern 2. Place the CRT surface facing east or west to reduce the on the center of the screen by adjusting the pair of terrest
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MAJOR COMPONENTS LOCATION GUIDE R606 TU001 FB401 CP601 FOCUS VOLUME SCREEN VOLUME MAIN PCB TP023 TP022 J801 CRT PCB
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BLOCK DIAGRAM TU001 CHROMA IC CH UP IC601 M61206FP X602 3.579545MHz IC351 AN7511 VOL UP 11 5 4 1 X' TAL 32 AUDIO OUT 50 2 6 Q607 MICON IC SP351 SOUND AMP 62 CH DOWN RF AGC OUT IC101 OEC7063A IC CF601 POWER ON 13 SW 4 8 CONT SAW FILTER 64 VIF IN (1) VOL DOWN Q606 5 P02/AUDIO MUTE 1 VIF IN (2) 26 AD6/KEY2 8.7V REG OUT 33 REG UNREG + 12V POWER Q801 CVIN 17 40 Y SW OUT R OUT RED OUT RED R 42 30 R IN 14 27 AD5/KEY1 GREEN G 41 28 G IN G OUT 15 Q802 GREEN OUT BLUE B 20 B OUT 16 40 B IN Q603 OS101
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CP401 J702 J703 W062 W060 SW101 SW104 L101 J352 SW105 SW103 SW102 C128_1 W815 C122 C119 R356 W813 W040 R701 C121 W809 L801_1 R804 W061 C702 C124 R803_1 C115 C130 C355 W002 C647 W003 D616 C351 W016 D615 C642 W004 W102 D613 R806 W005 C125 W105 C613 W081 S501B C601 C118 C129 W042 C612 D612 C505_1 W818 C137 W810 R641 W067 C819_1 W112 CD351 C519_1 W057 D610 C603 W017 C639 W053 C638 R624 W803 CP806 W103 C645 C516 W072 C634 C506 W078 D510 R613_1 W827 C625 W821 D502 C508 TH501 R623 W012 C635 W816 C636 C
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PRINTED CIRCUIT BOARDS MAIN/CRT (CHIP MOUNTED PARTS) SOLDER SIDE R605 R134 C120 R626 C138 C650 1 IC101 17 IC601 R634 49 C140 R127 33 R122 C116 R007 R420 R132 R113 R702 R360 C353 R512 R813 R126 R128 C114 R112 R101 C113 R117 R111 R130 R129 C117 C805_1 R114 C804_1 R006 R811 R354 R131 R809 R107 R105 R815 R106 R116 C806_1 R359 R814 R357 R120 R816 R119 R123 R121 R124 R627 R104 R630 R102 R631 R103 R353 R625 R619 R614 R638 R642 R601 R646 C616 C626 R628 R633 R635 C618 R639 R611 R609 C655 R615 R622 R519 R
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ABC D E F G H ACCESSORY MICON/TUNER SCHEMATIC DIAGRAM (MAIN PCB) 8 8 UM-4 BT001 R03(AB)E_20_T TU001 TECC1040PG32D UM-4 TM101 RC-EH010 BT002 R03(AB)E_20_T C003 50V 4.7 KA 7 7 FROM/TO CHROMA OS101 AGC PIC-28143SY-2 GND W837 TUNER+5V R002 R001 POWER LED D109 R132 18K 1/2W 18K 1/2W IF 270 SLR-342VCT32 6 6 I2C_OFF VD HD MICON IC 3 IC101 OEC7063A C137 R123 OSD_R P50/H.SYNC RED R 4.7K 50V 0.1 KA 4.0 0 4 C129 R122 P51/V.SYNC GREEN G OSD_G 4.7K 50V 0.1 KA 4.7 0 C125 R121 P00/EXT MUTE BLUE B OSD_B 0 4.7K
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ABC D E F G H CHROMA SCHEMATIC DIAGRAM (MAIN PCB) 8 8 FROM TV POWER UNREG+12V 6 REG REG Q605 Q604 KTC3203_Y KTC3203_Y 7.2 4.9 4.9 7.2 REG Q606 7 5.5 5.5 KTC3203_Y 7 7 7.9 11.3 8.5 R639 CF604 8.8 REG 5.5 TPSRA4M50C00-A0 100 Q603 KTC3203_Y 4.9 FROM SOUND/AV C647 R615 CF603 VIDEO_IN EFCT4R5YS5A R638 50V 1 KA 470 22K R646 6 6 NC 68K 3.0 2.20 7.9 7.90000 5.7 5.6 0 2.5 3.2 1.9 8.5 C638 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 R634 50V 4.7 KA FROM/TO SOUND/AV R611 10K 5 10K 2.3 3.3 R642 D605 W80
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ABC D E F G H TV POWER SCHEMATIC DIAGRAM (MAIN PCB) 8 8 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). TO SOUND/AV GND R517_1 D505 SOUND+B 7 7 SB290S 1.2 1W C516 500V 470P B SOUND_GND TO DEFLECTION/CRT DEGAUSS COIL B504 D510 L503 +B 8R140030 CP502 BL01RN1-A63 RU2AM-EIC TV-50P-02-A1 UNREG+12V C517 1 W821 2 2KV 0.0
