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Toshiba 53S23F2 Service Manual

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TOSHIBA
SERVICE MANUAL
COLOUR TELEVISION
53S23F2
PRINTED IN UK. 2002 C

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Summary of Contents for Toshiba 53S23F2

  • Page 1 TOSHIBA SERVICE MANUAL COLOUR TELEVISION 53S23F2 PRINTED IN UK. 2002 C...

  • 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

    CONTENTS SERVICING NOTICES ON CHECKING ...................... A1-1 HOW TO ORDER PARTS ........................... A1-1 IMPORTANT ..............................A1-1 CONTENTS ..............................A2-1 GENERAL SPECIFICATIONS ........................A3-1~A3-5 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 21 inch / 544.5mmV System CRT Type NORMAL Deflection degree Magnetic Field BV/BH +0.45G/0.18G Color System PAL/SECAM Speaker 2 Speaker Position Front Size 2.0 x4.7 Inch Impedance Sound Output 5.0+5.0 W 10%(Typical) 4.0+4.0 W DDR SECAM NTSC3.58(AV)+NTSC4.43 PAL60Hz...
  • Page 5 GENERAL SPECIFICATIONS On Screen Menu Display Menu Type Character Picture Contrast Brightness Colour Tint (NTSC Only) Sharpness Audio Bass Treble Balance BBE On/Off Stable Sound On/Off CH Tuning Manual CH MAPPING CH Allocation Text Langage(East/West) Language Clock Set On/OffTimer Set On Timer Set Pin Code Registration Panel Lock...
  • Page 6 GENERAL SPECIFICATIONS G-10 Remote Unit RC-GX Control Glow in Dark Remocon Format Custom Code 40-BF h Power Source Voltage(D.C) UM size x pcs UM-4 x 2 pcs Total Keys 34 Keys Keys Power 1/Rename 2/Move Volume Up / + Volume Down / - Previous Select Picture Menu...
  • Page 7 GENERAL SPECIFICATIONS G-11 Features Auto Degauss Auto Shut Off Canal+ CATV Anti-theft(Back Up 30 Min.) Memory(Last CH) Memory(Last Volume) Auto Search CH Allocation CH MAPPING Just Clock Function Game Position CH Label VM Circuit Full OSD Noise Blue Back T'Text Text type Fastext Text Language...
  • Page 8 GENERAL SPECIFICATIONS G-13 Interface Switch Front Power (Tact Sw) 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 Stand-by Stand-by/ON Yes(Red) On Timer Yes(Green) Terminals Front Video Input...

  • 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 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. 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- 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.

  • 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 2 seconds. Remocon Key Operations Set Key Reset the user setting items (PICTURE, VOLUME and LANGUAGE) to the initial state VOL.

  • 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 15 minutes. CAUTION Connect the digital voltmeter to TP501. Set condition is AV MODE without signal.
  • Page 14 ELECTRICAL ADJUSTMENTS 2-6: WHITE BALANCE 2-9: VERTICAL SIZE NOTE: Adjust after performing CUT OFF adjustment. Receive the monoscope pattern from the Pattern Generator. Place the set with Aging Test for more than 10 minutes. Using the remote control, set the brightness and Receive the gray scale pattern from the Pattern contrast to normal position.
  • Page 15 ELECTRICAL ADJUSTMENTS 2-13: COLOR CENT 2-15: OSD HORIZONTAL Receive the PAL color bar pattern. (RF Input) Using the remote control, set the brightness and Using the remote control, set the brightness, contrast contrast to normal position. and color to normal position. Activate the adjustment mode display of Fig.
  • Page 16 ELECTRICAL ADJUSTMENTS PURITY AND CONVERGENCE 3-3: STATIC 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. minutes before performing the following adjustments.
  • Page 17 ELECTRICAL ADJUSTMENTS 4. ELECTRICAL ADJUSTMENT PARTS LOCATION GUIDE (WIRING CONNECTION) CRT PCB TP024 CP806 TP022 J801 CP802B CP803B VR420 J701 VR401 FB401 TU001 CP401 CD802 TP501 R521 TP001 CP802A AC IN DEGAUSS COIL SPEAKER CD501 VR501 CP502 CP1001 CP501 OS101 MAIN PCB...

  • Page 18: Block Diagram

    BLOCK DIAGRAM VOL DOWN TU001 MICON W/T.TEXT IC VOL UP IC101 OECF013B Q102 SCL SDA CH DOWN LED DRIVE ON_TIMER Q103 KEY_IN CH UP LED DRIVE STANDBY LED ON TIMER P.CON+5V D103 STAND BY/P.ON MEMORY IC SDA 19 CHROMA IC D101 IC199 AVDD1...

  • Page 19: Printed Circuit Boards Main/Crt

    PRINTED CIRCUIT BOARDS MAIN/CRT (INSERTED PARTS) SOLDER SIDE CP101 VR420 R430 W112 L706 R407 R910 R428 R909 L708 J701 W826 L707 L711 L709 L701 W115 W016 L703 D410 D712 L705 R713 R715 R712 R716 R714 W012 L702 C412 W033 D405 W137 D527 W026...
  • Page 20 PRINTED CIRCUIT BOARDS MAIN/CRT (CHIP MOUNTED PARTS) SOLDER SIDE R132 Q703 R137 Q704 Q103 Q102 R738 R126 C736 R102 R103 R104 R101 C737 R739 R731 R107 R603 C140 C109 C108 R605 R816 Q601 C102 C112 R811 R818 C111_1 C101 C104 C132 R148 IC102...
  • Page 21 MICON/TUNER SCHEMATIC DIAGRAM (MAIN PCB) TU001 TUWRF4EG-778F2A OS101 LED DRIVE ON TIMER RPM7138-H5 Q102 D103 2SA1037AK R137 R104 R103 R102 R101 LED DRIVE LTL-1CHGE-002A 2.2K 1.2K STAND BY/P.ON Q103 GREEN D101 2SA1037AK CP001 R132 003P-2100 C122 ACCESSORY SLR-342VCT32 UM-4 BT001 R03(AB)2PXGPI TM101 UM-4...
  • Page 22 IF/CHROMA SCHEMATIC DIAGRAM (MAIN PCB) W823 TO STEREO SIF BUFFER Q204 MONO_A_IN 2SC2412K R206 SIF_IN VIF PRE.AMP L206 C204 Q201 L204 P.CON+8V SECAM VL SW 0.22uH 0.022 B KTC3881S-RTK CF202_1 Q303 10uH R217 J1981M 2SC2412K CF201 R304 TPWA02B 1K 1/4W FROM/TO 21PIN/AV SW TUNER_V_OUT L202...
  • Page 23 21PIN/AV SW SCHEMATIC DIAGRAM (MAIN PCB) R712 VIDEO OUT 1/4W SCART_C_IN BUFFER R717 Q701 VIDEO IN 2SC2412K L713 1/4W 21PIN2_V_OUT 10uH S808Y R733 FOR VCR R702 L701 L IN 8.2K 22uH C743 FROM SOUND AMP R747 L702 L OUT 14.9 22uH FRONT_V_IN3 R709...
  • Page 24 STEREO SCHEMATIC DTAGRAM (MAIN PCB) L905 10uH 0305 C905 R909 100P CH 100 1/4W C906 R910 100P CH 100 1/4W FROM/TO MICON/TUNER STEREO_RESET FROM POWER DACM_R D_CTR_I/O_2 P.CON+5V 80 STANDBYQ DACM_L 25 DACA_L D_CTR_I/O_1 P.CON+8V 79 ADR_SEL 26 VREF2 DACM_SUB AUDIO_CL_OUT FROM IF/CHROMA A2/NICAM/DOLBY IC...
  • Page 25 SOUND AMP SCHEMATIC DIAGRAM (MAIN PCB) FROM STEREO FRONT_A_IN_R FRONT_A_IN_L SOUND_L SOUND_R TO 21PIN/AV SW FRONT_V_IN3 SOUND AMP IC IC1002 AN5276 ATT.CONT. ATT. FRONT VIDEO RIPPLE J703 FILTER HTJ-032-03AY STAND MUTE 20.5 10.3 21.7 10.3 R707 C1001_1 R1003 100 1/2W FRONT AUDIO L J704 HTJ-032-03AW...
  • Page 26 DEFLECTION/CRT SCHEMATIC DIAGRAM (MAIN PCB) (CRT PCB) CP802A CP802B B2013H02-6P B2013H02-6P C629 FROM/TO IF/CHROMA R602 CUT OFF CUT OFF 560 1/4W B.OUT B.OUT B.OUT R.OUT R.OUT R.OUT G.OUT G.OUT G.OUT PROTECT PROTECT V-DRIVE IC IC401 TDA8174A VAMP PROTECT CP803A CP803B V_OUT Q403 B2013H02-4P...
  • Page 27 POWER SCHEMATIC DIAGRAM (MAIN PCB) 3A 125V R543 ICP502 D526 FE201-6L49 0.39 3W 20P_3000 R521 D520 TO STEREO 30DF6-FC 0.82 3W D506 R524 P.CON+8V 1SS133 C517_1 47K 1/4W 11.5 P.CON+5V RELAY SW C503_1 680P Q505 KTC3203_Y 100V EMERGENCY TO DEFLECTION/CRT Q509 2SA1624 H.DRV+B...

  • Page 28: Micon/Tuner

    WAVEFORMS MICON/TUNER IF/CHROMA 0.5µs 50µs 20µs 100mV 0.5V 10ms 50µs 20µs 100mV 20µs 50µs 20µs 0.5V 0.2ms 20µs 20µs 50µs 0.2ms 20µs 100mV 100mV NOTE: The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram. H - 1...

  • Page 29: Deflection/Crt

    WAVEFORMS 20µs 20µs 200mV DEFLECTION/CRT 20µs 10ms 10ms 100mV 20µs 10ms 20µs 200mV 21PIN/AV SW 10ms 20µs 20µs 20µs 20µs 20µs NOTE: The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram. H - 2...
  • Page 30 WAVEFORMS SOUND AMP 20µs 0.2ms 0.5V 0.5V 0.2ms 2µs 0.2ms 200V 0.5V 20µs 0.2ms 0.2ms 100mV STEREO 20µs 0.2ms 0.2ms 100mV 0.5V 0.2ms 20µs 0.2ms 0.5V 200mV NOTE: The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram. H - 3...
  • Page 31 WAVEFORMS 0.2ms 200mV 0.2ms 200mV 0.2ms 200mV 0.2ms 200mV 0.2ms 200mV NOTE: The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram. H - 4...

  • Page 32: Mechanical Exploded View

    MECHANICAL EXPLODED VIEW PCB110 (CRT PCB ASS'Y) 113 203 101B PCB010 (MAIN PCB ASS'Y) 101C 101E 101D 101A...

  • Page 33: Mechanical Replacement Parts List

    MECHANICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description AE002316 A3M514Y720 CABINET,FRONT ASSY 101A AE002317 701UPJA135 CABINET,FRONT 101B AE001111 713UPAA001 GUIDE,REMOCON 101C AE001112 735UPAA014 BUTTON,BASE 101D AE002318 735UPBA036 BUTTON,FRAME 101E AE002319 735UPBA035 BUTTON,POWER AE002320 A3M514Y740 CABINET,BACK ASSY AE000796 752WSAA006 PLATE,SHIELD AE000797...

  • Page 34: Electrical Replacement Parts List

    ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description RESISTORS R003 AE000356 R002T4271J 270 OHM 1/4W R004 AE000356 R002T4271J 270 OHM 1/4W R005 AE001013 R903N8823J 82K OHM 1/8W R006 AE000970 R903N8153J 15K OHM 1/8W R101 AE000977 R903N8391J 390 OHM 1/8W R102 AE000987 R903N8821J...
  • Page 35 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description RESISTORS R416 BZ210053 R002T22R2J 2.2 OHM 1/2W R417 AE000490 R4X5T6392F R,METAL 3.9K OHM 1/6W R418 AE000486 R002T4470J OHM 1/4W R419 AE000977 R903N8391J 390 OHM 1/8W R420 AE001010 R903N8183J 18K OHM 1/8W R421 AE000484 R002T2823J...
  • Page 36 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description RESISTORS R705 AE001012 R903N8822J 8.2K OHM 1/8W R706 AE000934 R002T2391J 390 OHM 1/2W R707 AE000347 R002T2101J 100 OHM 1/2W R709 AE000386 R801R7822J 8.2K OHM 1/10W R710 AE001012 R903N8822J 8.2K OHM 1/8W R712 AE001522 R002T4820J...
  • Page 37 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description CAPACITORS C104 AE000317 CS0RB04Q3K 0.0047UF 50V B C105 AE000311 CS0RB0315K 0.1 UF 25V B C106 AE000315 CS0RB04H3K 0.0022UF 50V B C108 AE000953 CS0KCH4H1J PF 50V CH C109 AE000953 CS0KCH4H1J PF 50V CH C111 AE001001...
  • Page 38 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description CAPACITORS C522 BZ110096 E50HU2100M UF 16V C523 AE000466 E02LU1221M 220 UF 10V C524 AE000312 CS0RB0414K 0.01 UF 50V B ! C525 BZ110223 CD39E0M13M 0.001 UF 250V ! C526 BZ110025 P2122B224M 0.22 UF 275V ECQUL C530...
  • Page 39 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description CAPACITORS C912 AE000309 CS0RB02L5K 0.33 UF 16V B C913 AE000321 CS0RCH430C PF 50V CH C914 AE000321 CS0RCH430C PF 50V CH C915 AE000309 CS0RB02L5K 0.33 UF 16V B C916 AE000309 CS0RB02L5K 0.33 UF 16V B C917...
  • Page 40 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description DIODES D532 BZ410092 D2WXN49370 DIODE SILICON 1N4937 D533 BZ410021 D97U05R61B DIODE,ZENER MTZJ5.6B T-77 D602 BZ410021 D97U05R61B DIODE,ZENER MTZJ5.6B T-77 D603 BZ410006 D1VT001330 DIODE,SILICON 1SS133T-77 D604 BZ410043 D2WT011E10 DIODE SILICON 11E1-EIC D605 BZ410066...
  • Page 41 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description COILS &TRANSFORMERS L401 BZ310004 021679472K COIL 4.7 MH L403 AE000020 022800033A COIL,LINEARITY 20416A ! L501 AE000078 029T000091 COIL,LINE FILTER 0R8A393F28Y L502 BZ310118 02AHB9A972 CORE,FERRITE W5T29X7.5X19 ! L503 BZ310195 028R200015 COIL,DEGAUSS 8R200015 L601...
  • Page 42 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description MISCELLANEOUS ICP502 AE000445 0845T03003 IC PROTECTOR 20P_3000 OS101 AD301048 0773071001 REMOTE RECEIVER RPM7138-H5 RY501 BZ612009 0560V20115 RELAY ALKS321 SP351 AE001127 070C555007 SPEAKER SG05B01BWA ! TH501 AE000464 D8E080A100 DEGAUSS ELEMENT B59209-J80-A10 TM101 AE001128...
  • Page 43 TOSHIBA Information Systems (UK) Ltd Consumer Products Division, European Service Centre, Admiralty Way, Camberley, Surrey. GU15 3DT...

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