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Toshiba 29V24E1 Service Manual

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050-200328
TOSHIBA
SERVICE MANUAL

COLOUR TELEVISION

29V24E1
AK37 Chassis
PRINTED IN UK. 2003 C

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Summary of Contents for Toshiba 29V24E1

  • Page 1: Colour Television

    050-200328 TOSHIBA SERVICE MANUAL COLOUR TELEVISION 29V24E1 AK37 Chassis PRINTED IN UK. 2003 C...

  • Page 2: Table Of Contents

    CONTENTS SAFETY PRECAUTIONS: ........................... 2 TV set switched off ............................2 Measurements ..............................2 PERI-TV SOCKET ............................... 2 SCART 1 2 SCART 2 2 1. INTRODUCTION ............................. 2 2. SMALL SIGNAL PART WITH STV2248 ......................3 2.1 Vision IF amplifier ........................... 3 2.2 QSS Sound circuit (QSS versions) ......................

  • Page 3: Safety Precautions

    PERI-TV SOCKET 1. INTRODUCTION...

  • Page 4: Small Signal Part With Stv2248

    2. SMALL SIGNAL PART WITH STV2248:...

  • Page 6: Tuner

    3. TUNER PAA6DSÃ8C6II@GT 867G@Ã8C6II@GT %$1' AS@RV@I8` AS@RV@I8` 8C6II@GT 8C6II@GT S6IB@ÃHC“ S6IB@ÃHC“ G‚Ã7hqÃÃÃÃÃÃÃÃÃÃ@!Ç‚Ã8ÃÃÃÃÃÃÃÃÃÃÃ#'!$Ç‚Ã'!!$à ÃÃÃÃÃÃÃÃT Ç‚ÃT'ÃÃÃÃÃÃ%(!$Ç‚à $#!$ HvqÃ7hqÃÃÃÃÃÃÃÃÃ@$Ç‚Ã@ !ÃÃÃÃÃÃÃÃà &$!$Ç‚Ã!!#!$ÃÃÃÃÃÃÃÃÃT(Ç‚ÃT"'ÃÃÃÃà % !$Ç‚Ã#"(!$ CvtuÃ7hqÃÃÃÃÃÃÃ@! Ç‚Ã@%(ÃÃÃÃÃÃÃ#& !$Ç‚Ã'$$!$Ã!ÃÃÃÃT"(Ç‚ÃT# ÃÃÃÃÃ##&!$Ç‚Ã#%"!$ %$1' AS@RV@I8` 8C6II@GT S6IB@ÃHC“ G‚Ã7hqÃÃÃÃÃÃÃÃÃÃ!Ç‚Ã9ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ$$!$Ç‚à "(!$ HvqÃ7hqÃÃÃÃÃÃÃÃÃ@ÃÇ‚ÃQQÃÃÃÃÃÃÃÃÃÃà #$!$Ç‚Ã"( !$ CvtuÃ7hqÃÃÃÃÃÃRRRÇ‚Ã%(ÃÃÃÃÃÃÃÃ"(&!$Ç‚Ã' !$ PAA6DSÃ8C6II@GT 867G@Ã8C6II@GT %$1' AS@RV@I8` AS@RV@I8` 8C6II@GT 8C6II@GT S6IB@ÃHC“...

  • Page 7: Video Output Amplifier Stv5112

    7. VIDEO OUTPUT AMPLIFIER STV5112 8. POWER SUPPLY (SMPS) 9. POWER FACTOR CORRECTION 10. SERIAL ACCESS CMOS 8K EEPROM 24C08 11. CLASS AB STEREO HEADPHONE DRIVER TDA1308 12. CLASS AB MONO SUBWOOFER DRIVER TDA7261 13. SAW FILTERS IC DESCRIPTIONS AND INTERNAL BLOCK DIAGRAM...

  • Page 8: X95; St92195

    ST92195 STV224X Video processor:...

  • Page 9: X95; Uv1315, Uv1316, Uv1336

    UV1315, UV1316, UV1336...
  • Page 10 QDIÃ" QDIÃ# QDIÃ$ Ã$W ÃW ÃW GPX Ã76I9 ÃW Ã$W ÃW HD9Ã76I9 CDBCÃ76I9 Ã$W ÃW ÃW...

  • Page 11: X95; Tda7269A

    TDA7269A STV9306...

  • Page 12: X95; Stv5112

    STV5112 MC44608...

  • Page 13: X95; Msp 34Xxg

    MSP 34XXG 24CO8...

  • Page 14: X95; Tda1308

    TDA1308 TDA7261...

  • Page 15: X95; Saw Filters

    Saw filter’s list: 9,'(2 $8',2 B (&$H Q6GÃ7B F!(%%H QT7BÃ9F E (' Q6GÃDD F!(%%H QT7B9FFÃDD F!(%!HÃÃÃÃÃÃÃÃÃÃÃG(%$" QT7B9FFÃGG 9,'(2 $8',2 B"(%&HÃÃÃÃÃÃÃÃÃÃB("$"H Q6GÃ7B F"($'HÃÃÃÃÃÃÃÃÃÃÃF("$% Q6GÃDÃD F"($'HÃÃÃÃÃÃÃÃÃÃÃF("$% QTÃ7BÃ9FÃFÃDÃD F"($'HÃÃÃÃÃÃÃÃÃÃÃF(%$% QTÃ7BÃ9FÃFÃGÃG...

  • Page 16: Circuit Descciription

    CIRCUIT DESCIRIPTION POWER SUPPLY...
  • Page 18 also used in tuning mode to identify the presence of a signal whilst tuning. This is used in auto tuning mode to determine the optimum frequency setting for the channel. Tuner AGC voltage from pin 8 of IC403 is taken directly to the tuner.

  • Page 21: Ak37 Chassis Manual Adjustment Procedure

    AK37 CHASSIS MANUAL ADJUSTMENT PROCEDURE REGISTER PARAMETER NOTE GEOM...
  • Page 22 REGISTER PARAMETER NOTE VZSZ DAÃDI9D86UPS 6B8ÃDI9D86UPS IPI@ ),*85(...
  • Page 23 Vertical Size for 50 Hz (VSIZ and VZSZ) Vertical Position for 50 Hz(VPOS) Horizontal Size for 50 Hz (HSIZ) Horizontal Position for 50 Hz (HPOS) Horizontal Trap Correction for 50 Hz (HTCO) Vertical S Correction for 50 Hz (VSCO) Vertical C Correction for 50 Hz (VCCO) Horizontal Pincushion Correction for 50 Hz (HPCO) Horizontal Corner Correction for 50 Hz (HCCO) Vertical Size Offset for 60 Hz (VSOF)

  • Page 24: Option Setting

    PQ ñÃQr…vƒur…hyÃPƒ‡v‚ † IPU @ 7 DU& IPUÃVT@9 Ãqrshˆy‡Ã‰hyˆr 7 DU% Ã9v†ƒyh’ ó6W"´Ãh†Ã³A6W´ A6WÂ…Ã76WÃDIÆryrp‡v‚Ã‚ƒ‡v‚ Ã9v†ƒyh’ ó6W"´Ãh†Ã³76W´ 7 DU$ ÃUˆ…ÃihpxÃUWÀ‚qrÃh s‡r…ÇurÃyh†‡Ã6WÐv‡uÃ6WÃxr’ ÃUˆ…ÃihpxÃsv…†‡Ã6WÀ‚qrÃhs‡r…ÇurÃyh †‡Ã6W 7 DU# ÃTWCTÃv†Ãh ‰hvyhiyrÃvÃ6WÃxr’Ƈ…rh€ ÃvsÃ6W!Ãv†Ã†ryrp‡rq ÃTWCTÃv†ÃIPUÃh ‰h vyhiyrÃvÃ6WÃxr’Ƈ…rh € 7 DU" ÃSB7Ãv†Ãh ‰h vyhiyrÃvÃ6WÃxr’Ƈ…rh€ ÃvsÃ6W Ãv†Ã†ryrp‡rq ÃSB7Ãv†ÃIPUÃh‰hvyhi yrÃvÃ6WÃxr’Ƈ…rh€ 7 DU! Ã6W"Ãv†Ãh‰hvyh iyrÃvÃ6WÃxr’Ƈ…rh €...
  • Page 25 PQ"ñÃWvqr‚ÃPƒ‡v‚† IPU@ 7DU& Y‡hyÃ8‚svtˆ…h‡v ‚ 7DU% à ÃY‡hyÃQ6GÃ##"  Ã!ÃY‡hyÃQ6GIUT8Ã##""$' à ÃY‡hyÃQ6GT@8IUT8Ã##" Ã!ÃY‡hyÃQ6GT@8IUT8Ã##""$' 7DU$ Ã@hiyrÃ7yˆrÃihpxÐurÃ‚ÆvthyÃvÃ6WÀ‚qr Ãqrshˆy‡Ã‰hyˆr ÃiyhxÃihpxÐurÃ‚ÆvthyÃvÃ6WÀ‚qr 7DU# ÃXuv‡rÃD†r…‡v‚Ãv†ÃPI Ãqrshˆy‡Ã‰hyˆr ÃXuv‡rÃD†r…‡v‚Ãv†ÃPAA 7DU" Ã7yˆrÃ7hpxt…‚ˆqÐurÃ‚ÆvthyÃvÃUWÀ‚qr Ã9v†hiyrÃ7yˆrÃ7hpxt…‚ˆqÃvÃUWÀ‚qr 7DU! ÃTr€v‡…h†ƒh…r‡Ãihpxt…‚ˆqÃs‚…ÃPT9 Ãqrshˆy‡Ã‰hyˆr ÃT‚yvqÃHrˆÃihpxt…‚ˆqÃs‚…ÃPT9 7DU Ã7yhpxÃT‡…r‡puÃv†ÃPI Ãqrshˆy‡Ã‰hyˆr Ã7yhpxÃT‡…r‡puÃv†ÃPAA 7DU Ã6QSÃv †ÃPI Ãqrshˆy‡Ã‰hyˆr Ã6QSÃv †ÃPAA PQ#ñÃUWÃArh‡ˆ…r† IPU@ 7DU&...
  • Page 26 U Y ñÃU ryr‡r‘‡ÃPƒ‡v‚† IPU @ 7 DU& Ã6VUP f6QTÃv†Ãh‰hvyh iyrÃhs‡r…r…f‚ Ã6VUP f6QTÃv†Ã‚‡Ãh‰hvyhiyr 7 DU% S@T@SW@9Àˆ†‡Ãirà Ãqrshˆy‡Ã‰h yˆr 7 DU$ $Ã#Ã"ÃUryr‡r‘‡ÃGhtˆhtrÃB…‚ˆƒ† 7 DU# ÃB…‚ˆƒÃ ñÃX r†‡ @tyv†uÃA…rpuÃTrqv†uÃ8“rpuÃBr…€hÃQ‚…‡ˆtˆr†rÃD‡hyvrÃSˆ€hvh 7 DU"  ÃB…‚ˆƒÃ!ñÃX r†‡@h†‡ Q‚yv†uÃA…rpuÃTrqv†uÃ8“rpuÃBr…€hÃTr…ivhÃD‡hyvrÃSˆ€hvh  ÃB…‚ˆƒÃ"ñÃX r†‡U ˆ…xv†u @tyv†uÃA…rpuÃTrqv†uÃU ˆ…x v†uÃBr…€hÃQ‚…‡ˆtˆr†rÃD‡hyvrÃSˆ€hvh ÃB…‚ˆƒÃ#ñÃ@h†‡8 ’…vyyvp @tyv†uÃ8’…vy yvpÃTrqv†uÃ8“rpuÃBr…€hÃTr…ivhÃGr‡‡v†uÃSˆ€hvh ÃB…‚ˆƒÃ$ñÃ6…hivp...

  • Page 27: Tuner Setting

    TUNER SETTINGS WCA WCA" W CA"V CA 6F"ÃT @S WD8@ ÃH@ IV ÃDU @HT A…„ÃHu“  A…„ÃHu“  Quvy vƒ†ÃV W " %TÃHF" $%!$ÃHC“ ## !$ÃHC“        U u‚€ †‚Ã8 UU$! #!$ÃHC“ # !$ÃHC“       ...

  • Page 28: General Block Diagram Of Chassis 11Ak37

    GENERAL BLOCK DIAGRAM OF CHASSIS AK37 & Ã Ã & Ã Ã " " " Ã Ã Ã Ã & Ã 6 & , & & ’ " ‡ Ã 6 Ã 6 Ã Ã " Ã , & ( & Ã...

  • Page 29: Ak37 / Titanium - Languages Groups

    AK37 / TITANIUM – Languages Group GROUP 1 - WEST GROUP 2 – WEST / EAST...

  • Page 30: Ak37 Project Block Diagrams

    ‡  à ‚ ‡ à € † à ’ ‚ ˆ  à ‡ † à † ‚ ‡ € à à t ‰ ‚ à h ‡ † à € ‰ …  à ‚ ˆ ‡ ‚ ‚...

  • Page 31: Block Diagram

    Ã 9  Ã Ã 6 " Ã 6 & Ã 9 " Ã 6 Ã 6 & Ã 6 Ã " Ã " Ã Q Ã T Ã 9 Ã Ã 7 Ã T Ã Ã Ã Ã U "...

  • Page 32: Smps Block Diagram

    " " " Ã ' Ã ' Ã ' " Ã ' Ã ' Ã ' Ã ' Ã ' Ã ' " " & & Ã Ã Ã Ã Ã Ã Ã Ã Ã Ã Ã " Ã Ã Ã...

  • Page 33: Micro Controller Block Diagram

    à ! " " & & & " " & à " à $ " & " "  " à $ " " " " " " & "   ‚  6 & à ‚ ‡ ƒ "...

  • Page 34: Video Block Diagram

    " Ã Ã W Ã P " ‘ " Ã W Ã W Ã ! Ã T Ã  " & " & " " " " " " " " " " " Ã Q Ã Q " " Ã...

  • Page 35: Stereo Block Diagram

    & & " " " Ã Ã Ã & Ã G Ã " " Ã Ã Ã " " & Ã G Ã G Ã S " Ã Ã Ã Ã Ã Ã & Ã G Ã Ã Ã S &...

  • Page 36: Scart Block Diagram

    & & & & & Ã & & & " & & Ã D Ã A Ã Ã Ã Ã " Ã Ã W & " Ã Ã " " & " " Ã Ã Ã Ã...

  • Page 37: Deflectioan Block Diagram

    " Ã D " Ã Ã Ã Ã Ã % Ã Ã Ã Ã Ã Ã Ã Ã Ã Ã Ã Ã Ã Ã & " , 1 * Ã Ã Ã Ã Ã Ã Ã Ã Ã W Ã Ã "...

  • Page 38: Base Boadr Block Diagram

    Ã T Ã  Ã ( Ã 6 Ã  Ã ( Ã ( & & & & Ã 6 Ã W Ã ( Ã S Ã  " Ã ( Ã ( Ã W " & " Ã ( Ã...

  • Page 44: Base Board Circuit Diagram

    &...
  • Page 46 Schematics...
  • Page 47 11AK37-5...
  • Page 54 11AK37-6...
  • Page 61 11AK37-7...
  • Page 68 11AK37-8...
  • Page 75 11AK37-9...
  • Page 82 Parts List...
  • Page 83 BILL OF MATERIAL LIST 10021790 2919 TOSHIBA TOSHIBA 29V24E1(AK37)SILVER COMPONENT MATERIAL UNIT POSITION NUMBER 20048248 SNOW BOX ASSY.2980/81/85/86 1,000 . 20043519 SNOW BOX 2980-81 TOP 1,000 . 60000011 EPS 0,584 20043520 SNOW BOX 2980-81 BOTTOM 1,000 . 60000011 EPS 0,584 20085283 EXPEND KIT AK28 (2980/81) V.0...
  • Page 84 30000415 CAP EL 4.7UF 250V M 1,000 C902 30000428 SPARK GAP 300V 1,000 D910 30001084 RES MO 1W 1K J 1,000 R914 30001170 RES MO 1W 4.7K J 1,000 R916 30001208 RES FUSE 1W 10R J 1,000 R917 30001850 CONN HEADER 6P 2.5MM TOP WHT SD 1,000 PL903 30001855 SOCKET CRT NARROWNECK W/GND 1,000 PL900...
  • Page 85 30001455 TR BC558B 1,000 Q902 20110212 SPK.AS.2985/86 W/TWT (AK37) 1,000 . 20110213 SPK.ASSY.2985/86 W/TWT (AK37)(R) 1,000 . 20082948 BRACKET SPEAKER - 128X77 (2985/86) (I) 1,000 . 60000018 COPOLYMER POLYPROPYLENE 0,041 60000022 MASTERBATCH (BLACK) 0,410 30000426 CAP EL 6.8UF 50V M (BPL) 1,000 .
  • Page 86 60000001 ABS (NATURAL) 0,007 60001195 MASTERBATCH EKO.GRAY GR 3216 SE1 0,035 60000895 PAINT SILVER 022-6485 (SU BAZLI)L8341413 0,002 20111549 LENS LED 2919RF (I) MILKY 1,000 . 60000008 HIPS (NATURAL) 0,004 60000927 CRYSTAL PS (NATURAL) 2,000 . 20111550 LENS 2919RF (I) 1,000 .
  • Page 87 20118666 MD.ASY.LD09-LED BOARD 2919 AK37/41/45 1,000 . 30001279 LED RED/GREEN LTL293SJ 1,000 D100 30001454 TR BC548B 1,000 Q101 30001670 PREAMPLIFIER TFMS5360 1,000 MD101 30002325 CNAS 2P/600 TB FLT W/C UL2468AWG24 1,000 PL101 30002335 CNAS 3P/600 PREAMP FLT W/C UL2468AWG24 1,000 PL102 30000471 RES CF 1/4W 10K J 1,000 R102 30000582 RES CF 1/2W 220R J...
  • Page 88 30002360 CNAS 3P/900 SHL W/DC UL2547 AWG24 1,000 PL105 30002362 CNAS 830 FAV SHL W/4C+FER 1,000 PL103-PL1. 30009317 CNAS 3P/700 FLT W/BLK C+FER UL2468AWG24 1,000 PL102 20121338 DOOR FIXED 2919RF SILVER (P) 1,000 . 20121337 DOOR FIXED 2919RF EKO.GRAY (I) 1,000 .
  • Page 89 30001518 IC TDA1308 1,000 IC702 30001836 CONN HEADER 3P 2.5MM TOP BLACK SD 1,000 PL700 30015592 XTAL 3.579545 (WO/LOAD CAP) 1,000 X402 30013163 FILTER SAW K9356 1,000 Z401 30014261 FILTER SAW K3958M 1,000 Z402 30014510 IC STV2248 (SHRINK56) 1,000 IC403 30001756 XTAL 18.432MHZ 1,000 X700 30013658 IC MSP3410G SDIP64...
  • Page 90 30013985 IC STV9306 1,000 IC601 35000158 NUT C ZN BOTTOM M3 1,000 . 35000165 KNURL WASHER C ZNSY 3*6*04 (M3) 1,000 . 35000181 SCREW C ZN YSMB M3*8 1,000 . 35004132 HEATSINK VERTICAL AK37 1,000 . 40011922 EDGE SADDLE (CT-16) 1,000 .
  • Page 91 1,000 PL803 30018785 TRF SMPS AK37 110° (170-270V) VER2 1,000 TR802 30018866 LINE FILTER 2X22MH 10mmX12.5mm 1,000 TR801 20122877 PR.IC.37-7PG TXT TOSHIBA EAST1 C004 1,000 . 30015194 IC ST92195 AK30-36 OTP 1,000 . 30009637 TUNER WSP (PLL) 38.9 MK2 - BATCH...
  • Page 92 30000345 CAP EL 10UF 50V M 2,000 C160 C161 30000384 CAP EL 2.2UF 50V M 4,000 C737 C738 C739 C740 30007081 CAP EL 4.7UF 50V M (NPL) 2,000 C141 C142 30001457 TR BC848B SMD 5,000 Q104 Q106 Q142 Q143 Q141 30001971 FERRITE BEAT (805) BLM21A601S 15,000 L101 L102...
  • Page 93 30012641 RES SMD 1/16W 10K J (0603) 3,000 R702 R706 R713 30016654 CAP SMD 100NF 16V K R (0603) 1,000 C728 30001990 FIXED COIL 6.8UH Q75 K 1,000 L404 30001724 FILTER SER TRAP TPS 5.5MHZ 1,000 Z404 30012578 CAP SMD 68PF 50V J (0603) 1,000 C457 30012589 CAP SMD 4.7NF 50V K (0603) 2,000 C741...
  • Page 94 30000526 RES CF 1/4W 1.5K J 2,000 R819 R839 30000530 RES CF 1/2W 15K J 2,000 R828 R829 30000554 RES CF 1/4W 180R J 1,000 R607 30000572 RES CF 1/4W 2K J 1,000 R617 30000599 RES CF 1/4W 220K J 1,000 R610 30000628 RES CF 1/4W 2.7K J 3,000 R469...
  • Page 95 30000345 CAP EL 10UF 50V M 11,000 C409 C411 C433 C544 C205 C513 C507 C527 C310 C455 C541 30000352 CAP EL 100UF 16V M 5,000 C424 C453 C159 C422 C423 30000362 CAP EL 1UF 50V M 5,000 C413 C416 C417 C431 C443 30000384 CAP EL 2.2UF 50V M...
  • Page 96 30012560 CAP SMD 100PF 50V J (0603) 4,000 C519 C520 C449 C515 30012562 CAP SMD 15PF 50V J (0603) 2,000 C521 C522 30012566 CAP SMD 22PF 50V J (0603) 3,000 C524 C525 C511 30012581 CAP SMD 1NF 50V K R (0603) 2,000 C415 C607 30012582 CAP SMD 10NF 50V K R (0603)
  • Page 97 30012707 RES SMD 1/16W 680R J (0603) 1,000 R432 30012708 RES SMD 1/16W 68K J (0603) 2,000 R611 R693 30012712 RES SMD 1/16W 8.2K J (0603) 1,000 R423 30012713 RES SMD 1/16W 75R J (0603) 2,000 R145 R175 30012714 RES SMD 1/16W 820R J (0603) 3,000 R446 R447 R440...
  • Page 98 35000228 SCREW SK C ZNSY YSMB 2.9*9.5 1,000 . 35005007 DOUBLE BATTERY CONTACT UKV-900 TOSHIBA 1,000 . 40005467 LENS RC2040(I) 1,000 . 40010082 RUBBER PAD TRP41 (RC 2143) TOSHIBA 1,000 . 40012344 SPONGE (BATTERY DOOR) (15x31x5mm) 1,000 . 40005299 BATTERY COVER RC2040 SILVER(P) 1,000 .
  • Page 99 70000621 RIBBON 80MM*450MM 1,030 . 20133303 LBL.CART.BOX TOSHIBA 29V24E1(ÇÝFT KATLI) 1,000 . 20013018 LBL.BCK.CVR.ASSY (TV) (WO/UL) 1,000 . 50023173 LABEL LOT W/BARCODE (77X256) 1,050 . 70000621 RIBBON 80MM*450MM 1,030 . 30014433 29"REALFLAT 50HZ CPT TUBE 1,000 . 40012621 LOGO TOSHIBA (W/P-SILVER BR/H.ST)(GRAY) 1,000 .
  • Page 101 Cabinet Exploded View...
  • Page 102 TOSHIBA Information Systems (UK) Ltd Consumer Products Division, European Service Centre, Admiralty Way, Camberley, Surrey. GU15 3DT...

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