Related Manuals for Toshiba 24AF43
Summary of Contents for Toshiba 24AF43
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Page 1: Service Manual
FILE NO. 050-200310 SERVICE MANUAL COLOR TELEVISION 24AF43 DOCUMENT CREATED IN JAPAN, Apr., 2003... -
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 A1-1 HOW TO ORDER PARTS ......................IMPORTANT ..........................A1-1 TABLE OF CONTENTS ......................A2-1 A3-1~A3-5 GENERAL SPECIFICATIONS ....................DISASSEMBLY INSTRUCTIONS 1. REMOVAL OF ANODE CAP ....................B1-1 2. REMOVAL AND INSTALLATION OF FLAT PACKAGE IC ..........B2-1, B2-2 SERVICE MODE LIST ........................ -
Page 4: General Specifications
GENERAL SPECIFICATIONS CRT Size / Visual Size 24 inch / 600mmV System CRT Type Flat Deflection degree Magnetic Field BV/BH +0.45G/0.18G Color System NTSC Speaker 2 Speaker Position Front Side Size 2 x 4.7 Inch Impedance Sound Output 5.0+5.0 W 10%(Typical) 4.0+4.0 W NTSC3.58+4.43 /PAL60Hz... - Page 5 GENERAL SPECIFICATIONS On Screen Menu Display Menu Type Icon Picture Contrast Brightness Color Tint Sharpness Sound Bass Treble Balance BBE On/Off Stable Sound On/Off Surround On/Off Set Up TV/CATV Auto CH Memory Add/ Delete Option Language CH Label Favorite CH V-Chip Lock On/Off Timer...
- Page 6 GENERAL SPECIFICATIONS G-10 Remote Unit RC-GF Control Glow in Dark Remocon Format Toshiba Custom Code TV:40-BFh Power Source Voltage(D.C) UM size x pcs UM-4 x 2 pcs Total Keys Keys Keys Power CH Up/+ CH Down/- Volume Up/+ Volume Down/- C.C.(TV/Caption/Text)
- Page 7 Features Auto Degauss Auto Shut Off Canal+ CATV Anti-theft Rental Memory(Last CH) Memory(Last Volume) V-Chip Type USA,Toshiba Type Auto Search CH Allocation Just Clock Function CH Label VM Circuit Full OSD Premiere Comb Filter Lines Auto CH Memory Hotel Lock...
- Page 8 GENERAL SPECIFICATIONS G-13 Interface Switch Front Power System Select Main Power SW Sub Power Channel Up Channel Down Volume Up Volume Down Rear AC/DC TV/CATV Selector Degauss Main Power SW Indicator Power Yes(RED) Stand-by On Timer Terminals Front Video Input = VIDEO3 Audio Input = VIDEO3 RCA x 2 Other Terminal...
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Page 9: Disassembly Instructions
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. -
Page 10: Removal And Installation Of Flat Package Ic
DISASSEMBLY INSTRUCTIONS When IC starts moving back and forth easily after REMOVAL AND INSTALLATION OF desoldering completely, pickup the corner of the IC using a FLAT PACKAGE IC tweezers and remove the IC by moving with the IC desoldering machine. (Refer to Fig. 2-3.) REMOVAL NOTE Put the Masking Tape (cotton tape) around the Flat... - Page 11 DISASSEMBLY INSTRUCTIONS INSTALLATION When bridge-soldering between terminals and/or the soldering amount are not enough, resolder using a Thin-tip Take care of the polarity of new IC and then install the new Soldering Iron. (Refer to Fig. 2-8.) IC fitting on the printed circuit pattern. Then solder each lead on the diagonal positions of IC temporarily.
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Page 12: Service Mode List
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 Releasing of V-CHIP PASSWORD. -
Page 13: Electrical Adjustments
ELECTRICAL ADJUSTMENTS 1. ADJUSTMENT PROCEDURE 2. BASIC ADJUSTMENTS Read and perform these adjustments when repairing the 2-1: CONSTANT VOLTAGE circuits or replacing electrical parts or PCB assemblies. Place the set with Aging Test for more than 5 minutes. CAUTION Set condition is AV MODE without signal. •... - Page 14 ELECTRICAL ADJUSTMENTS 2-6: HORIZONTAL SIZE 2-11: PARABOLA Receive the monoscope pattern. Receive the crosshatch signal from the Pattern Generator. Using the remote control, set the brightness and contrast Using the remote control, set the brightness and contrast to normal position. to normal position.
- Page 15 ELECTRICAL ADJUSTMENTS 2-14: BRIGHT CENT Receive the monoscope pattern. (RF Input) Using the remote control, set the brightness and contrast to normal position. Activate the adjustment mode display of Fig. 1-1 and press the channel button (16) on the remote control to select "BRI CENT".
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Page 16: Purity And Convergence
ELECTRICAL ADJUSTMENTS 3-3: STATIC CONVERGENCE 3. PURITY AND 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. - Page 17 ELECTRICAL ADJUSTMENTS 4. ELECTRICAL ADJUSTMENT PARTS LOCATION GUIDE (WIRING CONNECTION) CRT PCB CP804 CP803 CD852 CP852 J801 CP852B VM COIL PCB CP802B CP801B CP851B CD801 CD851 CD802 CP801A J702 CP101 J708 J704 J703 J701 FB401 CP401 TP003 VR401 W003 VR502 CP851A CP802A CD1001...
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Page 18: Block Diagram
BLOCK DIAGRAM A/V OUT J708 COMB FILTER IC Q852, Q583 Q854 Q855 ~ Q859 CHROMA IC IC1501 LA76600M-TLM IC601 M61283FP BUFFER BUFFER VM COIL C OUT Q610 Q613 FB401 Y IN VIDEO LINE OUT DELAYDE Y OUT SVM OFF Y OUT J801 Q603, Q614, Q605 Q803, Q812... - Page 19 PRINTED CIRCUIT BOARDS MAIN (INSERTED PARTS) SOLDER SIDE C426 C427 CP101 CP801A D411 B401 J702 L403 J703 J704 J701 J708 C413_1 D608 D407 D405 D704 W006 D705 D702 R459_2 C421 C442 W134 W062 W061 W060 W132 R710 C425 W131 W058 W057 W819 W820...
- Page 20 PRINTED CIRCUIT BOARDS MAIN (CHIP MOUNTED PARTS) SOLDER SIDE Q101 R109 IC199_1 R724 R101 C128 C719 C720 R112 R113 R907 C312 C303 C102 C104 IC302 IC902 C115_1 C911 C301 R136 IC101 C323 R906 C917 R125 R128 Q902 IC301 R137 R150 C106 Q901 C913...
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Page 21: Printed Circuit Boards
PRINTED CIRCUIT BOARDS CRT/VM COIL SOLDER SIDE TP806 D809 W804 D807 R808 Q810 TP804 D805 W808 R804 C813 D804 R809 R812 TP805 R806 D808 R820 W807 Q812 Q811 W007 R819 C805 Q853 R814 Q852 Q854 R859 W806 C857 C853 C854 D855 R872 R877... -
Page 22: Micon
MICON SCHEMATIC DIAGRAM ACCESSORY (MAIN PCB) BT001 R03(AB)E_2P_G OS101 TM101 RPM7138-H5 BT002 R25-1911 R03(AB)E_2P_G TEST POINT Vout LED SW Q101 R109 CP101 173979-7 KTC3875S_Y_RTK I2C_SCL I2C_SDA R101 I2C_OFF R103 R106 AUDIO L AUDIO R 2.7K R130 R150 CLAMP SW Q103 47K 1/4W KTC3875S_Y_RTK FROM/TO CHROMA... -
Page 23: Chroma
CHROMA SCHEMATIC DIAGRAM (MAIN PCB) FROM/TO AV W816 VIDEO_IN2 V_IN[YUV] R616 VIDEO_IN1 120 1/2W AT+5V REG U_IN[YUV] R617 Q607 Y_IN[YUV] KTC3203_Y VIDEO_IN3 VIDEO_OUT R603 330 1/2W FROM/TO COMB FILTER FROM/TO MICON C_V_OUT_SW P.CON+5V PROTECT Y_V_OUT_SW P.CON 5V REG C641 VIDEO_OUT Q606 C IN(Y/C) Y SW OUT... -
Page 24: Deflection
DEFLECTION SCHEMATIC DIAGRAM (MAIN PCB) FROM/TO DY V.OUTPUT IC IC401 LA78041 CP401 V801 B06B-DVS THERMAL PROTECTION A60LVY196X11(O) PUMP UP 25.0 12.0 25.0 R407 L402_1 1.2K ELH5L4132N R439 TO CRT/SVM 1K 1W C425 CD803 (CP805) CP83035A 0.001 BUFFER R414 R417 BUFFER Q409 Q408 KTA1266... -
Page 25: Power
POWER SCHEMATIC DIAGRAM (MAIN PCB) D516 RELAY DRIVE Q504 10.9 1SS133 KTC3198 R515 10K 1/4W C516 RY501 500V 0.001 ALKS321 TO SOUND R517_1 D505 W806 R541_1 SOUND+B 30DF6-FC 1 3W R501 0.22 1W DEGAUSS COIL L503 P.CON+12V CP502 8R250009 1 7W A1561WV2-2P SOUND_GND D517... -
Page 26: Sound
SOUND SCHEMATIC DIAGRAM (MAIN PCB) FROM TUNER/STEREO R302 SW_AUDIO_L R301 2.7K 1/4W SW_AUDIO_R 2.7K 1/4W C309 0.039 L IN L ONT R305 C323 R307 C325 0.0033 0.033 Tone Volume 2.2K SURR Balance Control Control R313 /MUTE 1K 1/4W MODE control R IN Vref R OUT... -
Page 27: Tuner/Stereo
TUNER/STEREO SCHEMATIC DIAGRAM (MAIN PCB) TU001 115-V-K015AR B FROM/TO CHROMA TUNER+5V NC NC TUNER_VIDEO P.CON+8V[B] W812 P.CON+5V FROM POWER R001 P.CON+B 68K 1/2W R002 68K 1/2W TO MICON FROM/TO MICON J_AUDIO_OUT_L C901 BUFFER Q901 KTA1504S_Y_RTK J_AUDIO_OUT_R C902 BUFFER Q902 KTA1504S_Y_RTK TO SOUND L901 SW_AUDIO_L... - Page 28 AV SCHEMATIC DIAGRAM (MAIN PCB) YUV_IN(REAR) J704 FROM/TO CHROMA MSP-213V1-652_PBSN V_IN[YUV] U_IN[YUV] Y_IN[YUV] VIDEO_OUT VIDEO_IN2 A/V_OUT(REAR) VIDEO_IN1 J708 MSP-213V2-432_PBSN VIDEO_IN3 C711 R708 C707 R704 R702 C728 R721 220 1/4W MUTE Q711 R711 KTC3875S_Y_RTK R703 MUTE C710 BUFFER Q712 R710 Q709 2.2K KANP KTC3875S_Y_RTK...
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Page 29: Comb/Filter
COMB/FILTER SCHEMATIC DIAGRAM (MAIN PCB) L1511 15uH 0305 BUFFER Q1508 KTC3875S_Y_RTK C1535 L1505 FROM AV 15uH 0305 S_VIDEO_IN[C] S_VIDEO_IN[Y] R1512 BUFFER Q1503 C1513 KTC3875S_Y_RTK 0.1 B VIDEO SW(Y) IC IC1502 C1519 FROM MICON MM1501XNRE Vin1 Y/C_SW V.OUT Vin2 VIDEO SW(C) IC IC1503 MM1501XNRE FROM/TO CHROMA... - Page 30 CRT/SVM SCHEMATIC DIAGRAM (CRT PCB) (CRT PCB) TP804 PCB110 CRT BLOCK TCA391 R828 RED AMP Q801 123.5 2.7K 1/4W D804 D805 D806 R813 KTC4217 1SS133 1SS133 1SS133 220 1/4W D801 SVM BLOCK FROM CHROMA 1SS133 CP802B (CP802A) R855 A2001WV2-7P RED AMP W820 Q810 P.CON+8V...
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Page 31: Waveforms
WAVEFORMS MICON SOUND 100 s 50mV 200mV 20 s 50 s 100mV 50 s 20 s 100mV DEFRECTION 20 s 200mV 200V NOTE: The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram. - Page 32 WAVEFORMS 20 s 20 s 200mV 20 s 200mV CRT/SVM 20 s 20 s NOTE: The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram.
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Page 33: Mechanical Exploded View
MECHANICAL EXPLODED VIEW PCB110 (CRT PCB ASS'Y) PCB060 (VM COIL PCB ASS'Y) PCB010 (MAIN PCB ASS'Y) -
Page 34: Mechanical Replacement Parts List
MECHANICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description AE000424 A3M6010720 CABINET,FRONT ASSY AD302142 701WPJC027 CABINET,FRONT AD302143 711WPA0182 PLATE,FRONT AD302144 712WPBA042 DOOR AD302145 713WPA0261 GLASS,LED AD302146 723549A012 AV LABEL AD302008 7235490036 BADGE,BRAND AD302147 735WPA0725 STOPPER,BUTTON AD302010 735WPA0732 STOPPER,BUTTON2 AD302011 735WPB0243 BUTTON,FRAME... -
Page 35: Electrical Replacement Parts List
ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description RESISTORS ! R410 AD302107 R3X18A470J R,METAL OXIDE OHM 2W R419 AE000415 R3X1811R5J R,METAL OXIDE 1.5 OHM 1W ! R426 BZ210030 R4X5T4472F R,METAL 4.7K OHM 1/4W ! R434 BZ210259 R5Y2CF1R8J R,CEMENT 1.8 OHM 10W ! R436... - Page 36 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description DIODES D409 AD301980 D2CF2016L0 DIODE,SILICON FE201-6L49 D410 BZ410019 D97U03001B DIODE,ZENER MTZJ30B T-77 ! D411 BZ410063 D2WTAU02A0 DIODE,SILICON AU02A-EIC D414 BZ410043 D2WT011E10 DIODE,SILICON 11E1-EIC D415 BZ410043 D2WT011E10 DIODE,SILICON 11E1-EIC D416 BZ410006 D1VT001330 DIODE,SILICON...
- Page 37 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description IC1502 AD301988 I0UF015010 MM1501XNRE IC1503 AD301988 I0UF015010 MM1501XNRE TRANSISTORS Q101 BZ510109 TCAA3875SY TRANSISTOR,SILICON KTC3875S_Y_RTK Q103 BZ510109 TCAA3875SY TRANSISTOR,SILICON KTC3875S_Y_RTK Q402 BZ510097 TCAT03227Y TRANSISTOR,SILICON KTC3227_Y-AT Q405 AD302136 TD50026380 TRANSISTOR,SILICON 2SD2638 Q408 BZ510073 TAATA12660...
- Page 38 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description COILS &TRANSFORMERS L1512 AD301608 0216A6220J COIL T401 AD301125 0450190161 TRANS,HORIZONTAL DRIVE ETH19Y203AY ! T501 AD301034 048140066S TRANSFORMER,SWITCHING 8140066S JACKS J701 AD301038 060J431019 RCA JACK MSP-213V2-432 PBSN J702 AD300108 063Q700002 JACK YKF51-5503 J703...
- Page 39 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description MISCELLANEOUS TM101 AD302001 076R0GF010 TRANSMITTER R25-1911 ! TU001 AE000273 0163300005 RF UNIT 115-V-K015AR B ! V801 AD301131 098W250401 CRT W/DY A60LVY196X11(O) X101 AD302002 100CT8R005 CRYSTAL HC-49/U-S X602 AD302003 100CT3R505 CRYSTAL HC-49/C RESISTOR...
- Page 40 TOSHIBA CORPORATION 1-1, SHIBAURA 1-CHOME, MINATO-KU, TOKYO 105-8001, JAPAN...