hit counter code
Toshiba 24W33B Service Manual
  1. Manuals
  2. Brands
  3. Toshiba Manuals
  4. TV
  5. 24W33B
  6. Service manual
Toshiba 24W33B Service Manual

Toshiba 24W33B Service Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
050-200262
TOSHIBA
SERVICE MANUAL

COLOUR TELEVISION

24W33B
AK37 Chassis
PRINTED IN UK. 2003 C

Advertisement

Table of Contents
loading

Related Manuals for Toshiba 24W33B

Summary of Contents for Toshiba 24W33B

  • Page 1: Colour Television

    050-200262 TOSHIBA SERVICE MANUAL COLOUR TELEVISION 24W33B 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: St92195

    BILL OF MATERIAL LIST 10016258 2441 TOSHIBA TOSHIBA 24W33B(AK37)SILVER PART NUMBER DESCRIPTION UNIT POSITION NUMBER V20000542 SPK.A.721X/20/70-1/82X/28(19)ST/MN WO/HP 1,000 . V20000546 SPK.ASSY.8R 15W 721X/20(19)(R) 1,000 . V30001946 SPEAKER 8R 15W 57*160 1,000 . V30012631 CNAS 2P/760 DIS W/BL C+FER UL2547 AWG24 1,000 .

  • Page 84: Tda7269A

    BILL OF MATERIAL LIST 10016258 2441 TOSHIBA TOSHIBA 24W33B(AK37)SILVER PART NUMBER DESCRIPTION UNIT POSITION NUMBER V30018087 CNAS 2P/350 TRFPFC DIS W/C UL1672AWG22 1,000 . V35000217 SCREW S C SYF YFMB 3.5*9.5 2,000 . V20070599 HE.ASY.37-HORIZANTAL 1,000 . V30001441 TR BU2508AF...
  • Page 85 BILL OF MATERIAL LIST 10016258 2441 TOSHIBA TOSHIBA 24W33B(AK37)SILVER PART NUMBER DESCRIPTION UNIT POSITION NUMBER V30009637 TUNER WSP (PLL) 38.9 MK2 - BATCH 1,000 TU201 V30000459 RES CF 1/4W 100R J 2,000 R204 R206 V30000594 RES CF 1/4W 22K J...
  • Page 86 BILL OF MATERIAL LIST 10016258 2441 TOSHIBA TOSHIBA 24W33B(AK37)SILVER PART NUMBER DESCRIPTION UNIT POSITION NUMBER V30000859 RES MF 1/2W 1R F 1,000 R608 V30000982 RES MF 1/4W 4.7K J 1,000 R806 V30001228 RES FUSE 1/2W 2.2R J 1,000 R657 V30001257 RES MG 1/2W 4.7M J...
  • Page 87 BILL OF MATERIAL LIST 10016258 2441 TOSHIBA TOSHIBA 24W33B(AK37)SILVER PART NUMBER DESCRIPTION UNIT POSITION NUMBER V30012703 RES SMD 1/16W 56K J (0603) 2,000 R169 R176 V30012707 RES SMD 1/16W 680R J (0603) 1,000 R432 V30012708 RES SMD 1/16W 68K J (0603)
  • Page 88 SCREW SK C ZNSY YSMB 2.9*9.5 1,000 . V35005007 DOUBLE BATTERY CONTACT UKV-900 TOSHIBA 1,000 . V40005467 LENS RC2040(I) 1,000 . V40010082 RUBBER PAD TRP41 (RC 2143) TOSHIBA 1,000 . V40012344 SPONGE (BATTERY DOOR) (15x31x5mm) 1,000 . V40005299 BATTERY COVER RC2040 SILVER(P) 1,000 . V40009346 BOTTOM CVR R/C 21/2240 SILVER(P) 1,000 .
  • Page 89 Cabinet Exploded View...
  • Page 90 TOSHIBA Information Systems (UK) Ltd Consumer Products Division, European Service Centre, Admiralty Way, Camberley, Surrey. GU15 3DT...

Table of Contents