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Toshiba 15V11B Service Manual

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FILE NO: 050-200213
TOSHIBA
SERVICE MANUAL
COLOUR TELEVISION
15V11B
PRINTED IN UK. 2003 C

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  • Page 1 FILE NO: 050-200213 TOSHIBA SERVICE MANUAL COLOUR TELEVISION 15V11B PRINTED IN UK. 2003 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 15 inch / 357mmV System CRT Type Flat Deflection degree Magnetic Field BV/BH +0.45G/0.18G Color System Speaker 1 Speaker Position Front Size 1.5 x2.5 Inch Impedance Sound Output 10%(Typical) 2.5 W DDR SECAM NTSC3.58(AV)+NTSC4.43 PAL60Hz Tuning...
  • Page 5 GENERAL SPECIFICATIONS On Screen Menu Display Menu Type Character Picture Contrast Brightness Color Tint (NTSC Only) Sharpness Audio Bass Treble Balance BBE On/Off Stable Sound On/Off CH Tuning Manual Auto CH Allocation Language Clock Set On/OffTimer Set On Timer Set Pin Code Registration Panel Lock Nicam Auto Off...
  • Page 6 GENERAL SPECIFICATIONS G-10 Remote Unit RC-EY 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 Keys Keys Power Volume Up / + Volume Down / - Previous Select Picture Menu...
  • Page 7 GENERAL SPECIFICATIONS G-12 Accessories Owner's Manual Language English w/Guarantee Card Remote Control Unit Rod Antenna Poles Pole Terminal type Loop Antenna (W/ Antenna Change Plug) Terminal D- type U/V Mixer DC Car Cord (Center+) Guarantee Card Warning Sheet Circuit Diagram Antenna Change Plug Service Facility List Important Safeguard...
  • Page 8 GENERAL SPECIFICATIONS G-16 Carton Master Carton Content ---- Sets Material Dimensions W x D x H(mm) x -- x -- Description of Origin Gift Box Material Double/Brown Dimensions W x D x H(mm) x 470 x 460 Design As per Buyer's Description of Origin Natural Dropping At 1 Corner / 3 Drop Test...

  • 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 Set Key Operations Reset the user setting items (PICTURE, VOLUME, LANGUAGE and NICAM AUTO/ VOL.

  • Page 13: When Replacing Eeprom( Memory) Ic

    WHEN REPLACING EEPROM (MEMORY) IC If a service repair is undertaken where it has been required to change the MEMORY IC, the following steps should be taken to ensure correct data settings while making reference to TABLE 1. CD CF Table 1 Enter DATA SET mode by setting VOLUME to minimum.

  • Page 14: 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. Connect the digital voltmeter to TP501. CAUTION Set condition is AV MODE without signal.
  • Page 15 ELECTRICAL ADJUSTMENTS 2-6: FOCUS 2-10: BRIGHT CENT Receive a 70dB monoscope pattern. Receive the PAL black pattern*. (RF Input) Turn the Focus Volume fully counterclockwise once. Using the remote control, set the brightness and Adjust the Focus Volume until picture is distinct. contrast to normal position.
  • Page 16 ELECTRICAL ADJUSTMENTS 2-13: TINT Receive the NTSC color bar pattern. (Audio Video Input) Using the remote control, set the brightness and contrast to normal position. Connect the oscilloscope to TP803. Activate the adjustment mode display of Fig. 1-1 and press the channel button (20) on the remote control to select "TINT".

  • Page 17: Purity And Convergence

    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 18 ELECTRICAL ADJUSTMENTS 4. ELECTRICAL ADJUSTMENT PARTS LOCATION GUIDE (WIRING CONNECTION) CRT PCB TP803 L804 L802 TP801 J801 CP801 VR420 VR401 J701 CP803A FB401 CP401 TP501 R530 AC IN CP802A CD501 VR501 CP501 CP1002 L503 SPEAKER CP502 J702 J704 J703 MAIN PCB...

  • Page 19: Block Diagram

    BLOCK DIAGRAM VOL UP TU001 MAIN W/T.TEXT VOL DOWN IC101 OECF004A Q102 SCL SDA CH UP LED DRIVE ON_TIMER Q103 KEY_IN CH DOWN LED DRIVE STANDBY LED ON TIMER P.CON+5V D103 STAND BY/P.ON SDA 19 IF/CHROMA D101 AVDD1 V-DRIVE IC201 STV2248C SCL 20 IC401 TDA8714A AVDD2...

  • Page 20: Printed Circuit Boards Main/Crt

    PRINTED CIRCUIT BOARDS MAIN/CRT (INSERTED PARTS) SOLDER SIDE CP101 R445 VR401 VR420 D604 CP001 C728 R713 W087 D402 L711 CP803A CD803A Q702 D410 S805X R417 W057 C406 J701 C403 W854 W834 C718 Q701 C430 C405 R416 R410 C725 C419_1 C446 L713 W853 R750...
  • Page 21 PRINTED CIRCUIT BOARDS MAIN/CRT (CHIP MOUNTED PARTS) SOLDER SIDE C759 R132 Q703 R728 R137 Q103 Q102 R738 R104 R101 R102 R103 R107 C141 C109 C108 C105 C102 C143 R817 C112 C803 R811 R805 C111 C139 C101 C104 R106 R108 IC102_1 R518 Q503 R502...
  • Page 22 MICON/TUNER SCHEMATIC DIAGRAM NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED TU001 TUWRF4EK-778F2 LED DRIVE WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST (MAIN PCB) ON TIMER Q102 WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL. D103 2SA1037AK OS101 R137 RPM7138-H5 NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME...
  • Page 23 IF/CHROMA SCHEMATIC DIAGRAM (MAIN PCB) SIF BUFFER Q204 2SC2412K R206 VIF PRE.AMP L206 C204 FILTER SAW VIDEO BUFFER Q201 L204 CF202 Q202 0.27uH 0.001 B KTC3881S-RTK TSF5372P 12uH R217 2SC2412K GNDOUTOUT CF201 FROM/TO 21PIN/AV SW TPSRA6M00B00-A0 C212 C621 MONO_A_OUT1 0.01 B TUNER_V_OUT L202 SCART_V_OUT2...
  • Page 24 21PIN/AV SW SCHEMATIC DIAGRAM (MAIN PCB) L713 10uH 0305 R712 C718 VIDEO OUT 75 1/4W C723 BUFFER R719 Q701 KTA1266 VIDEO SW IC IC702 NJM2234L SCART_C_IN W853 VIDEO IN Vin1 Vin2 Vin3 V.OUT GND C728 KANP C743 R733 FOR VCR C740 R740 220 1/4W...
  • Page 25 DEFLECTION/CRT SCHEMATIC DIAGRAM (CRT PCB) (MAIN PCB) C629 CP802A CP802B B2013H02-5P B2013H02-5P 0.001 B FROM/TO IF/CHROMA R614 R602 CUT OFF CUT_OFF G.OUT G.OUT G.OUT R.OUT R.OUT R.OUT B.OUT B.OUT B.OUT R819_1 VAMP CP803B B2013H02-4P CP803A B2013H02-4P V-DRIVE IC IC401 TDA8174A V_OUT 6.8 1W ABCL...
  • Page 26 POWER SCHEMATIC DIAGRAM (MAIN PCB) D526 W863 30DF6-FC R543 0.56 3W D510 D506 RU2AM-EIC R521 W847 D522 1SS133 0.68 3W +B.ADJ 11.5 RU2AM-EIC R524 PROTECTOR TEST TP501 RELAY SW Q505 47K 1/4W TP502 TP503 C503 KTC3203_Y 100V EMERGENCY TO DEFLECTION/CRT Q509 C517_1 2SA1624...
  • Page 27 SOUND AMP SCHEMATIC DIAGRAM (MAIN PCB) TO 21PIN/AV SW FRONT_A_L FRONT_V_IN FROM MICON/TUNER A_MUTE FROM IF/CHROMA MONO_A_IN FRONT VIDEO J703 HTJ-032-03AY R707 100 1/2W FRONT AUDIO L D1001 J704 HTJ-032-03AW 1SS133 C736 BUFFER R738 L715 Q703 MUTE 2SC2412K 22uH Q1001 KRA103SRTK -1.6 R1001_1...

  • Page 28: Micon/Tuner

    WAVEFORMS MICON/TUNER IF/CHROMA/IF 50µs 20µs 0.5µs 100mV 0.50V 1.00V 10ms 50µs 1.00V 100mV 200mV 20µs 20µs 50µs 1.00V 0.50V 1.00V 0.2ms 20µs 20µs 1.00V 1.00V 1.00V 50µs 0.2ms 20µs 100mV 1.00V 1.00V NOTE: The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram.

  • Page 29: 21Pin/Av Sw

    WAVEFORMS 20µs 20µs 20µs 100mV 1.00V 1.00V 20µs 20µs 20µs 1.00V 1.00V 1.00V 20µs 10ms 100mV 1.00V 200mV 20µs 20µs 1.00V 200mV 200mV 21PIN/AV SW 20µs 1.00V 200mV 200mV NOTE: The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram.

  • Page 30: Deflection/Crt

    WAVEFORMS 20µs 20µs 10.0V 200mV SOUND AMP 20µs 5.0V 200mV 200mV DEFLECTION/CRT 2µs 10ms 200V 1.00V 10ms 20µs 10.0V 10ms 20µs 10.0V NOTE: The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram. H - 3...

  • Page 31: Mechanical Exploded View

    MECHANICAL EXPLODED VIEW 201 PCB110 (CRT PCB) PCB010 (MAIN PCB) 109 110...

  • Page 32: Mechanical Replacement Parts List

    MECHANICAL REPLACEMENT PARTS LIST REF. NO. PART NO. DESCRIPTION A3L001C720 CABINET,FRONT ASSY 752WSAA006 PLATE,SHIELD 752WSAA008 SHIELD,CASE 752WSAA013 SHIELD,LID 752WSA0086 SHIELD,IC 752WSA0087 SHIELD,IC 701UPJA088 CABINET,FRONT 800JRA0019 RUBBER,SILICON 711WPA0165 PLATE,FRONT 713WPA0196 GUIDE,REMOCON 7235490023 BADGE,BRAND 735UPAA013 BUTTON,BASE 735UPBA007 BUTTON,FRAME 735UPBA008 BUTTON,POWER 743WKA0041 SPRING,BUTTON 741WUA0019 SPRING,EARTH 702UPA0227 CABINET,BACK 722549A057...

  • Page 33: Electrical Replacement Parts List

    ELECTRICAL REPLACEMENT PARTS LIST REF. NO. PART NO. DESCRIPTION REF. NO. PART NO. DESCRIPTION RESISTORS RESISTORS R003 R801R7271J 270 OHM 1/10W R424 R002T2102J OHM 1/2W R004 R801R7271J 270 OHM 1/10W R425 R002T4391J 390 OHM 1/4W R005 R801R7823J 82K OHM 1/10W R426 R002T2821J 820 OHM 1/2W...
  • Page 34 ELECTRICAL REPLACEMENT PARTS LIST REF. NO. PART NO. DESCRIPTION REF. NO. PART NO. DESCRIPTION RESISTORS CAPACITORS R703 R002T4221J 220 OHM 1/4W C111 CS0RB02Q5K 0.47 UF 16V B R705 R801R7103J 10K OHM 1/10W C112 CS0RCH4W1J CC PF 50V CH R706 R002T2151J 150 OHM 1/2W C113 CS0RCH4H1J...
  • Page 35 ELECTRICAL REPLACEMENT PARTS LIST REF. NO. PART NO. DESCRIPTION REF. NO. PART NO. DESCRIPTION CAPACITORS CAPACITORS C525 CD39E0M13M 0.001 UF 250V C763 CS0RCH412J 100 PF 50V CH ! C526 P2472B104M 0.1 UF 275V PHE840 C801 C03L0R713K 0.001 UF 2KV R C527 CD39E0M13M 0.001 UF 250V...
  • Page 36 ELECTRICAL REPLACEMENT PARTS LIST REF. NO. PART NO. DESCRIPTION REF. NO. PART NO. DESCRIPTION COILS &TRANSFORMERS IC701 I0QS02234L NJM2234L T401 045009003J TRANS,HORIZONTAL DRIVE ETH09K14BZ IC702 I0QS02234L NJM2234L ! T501 0481350764 TRANSFORMER,SWITCHING 8135076 JACKS IC703 I0QF022330 NJM2233BM-T1 IC1001 I0FSP75230 AN7523 J701 063G100041 SOCKET,21PIN 035_0_8083_00...
  • Page 37 SPEC.NO. M3L0-01C O/R NO. U233523...
  • Page 38 TOSHIBA Information Systems (UK) Ltd Consumer Products Division, European Service Centre, Admiralty Way, Camberley, Surrey. GU15 3DT...
  • Page 39 FILE NO: 053-200213 TOSHIBA SERVICE MANUAL COLOUR TELEVISION 15V11B Supplement Use this supplement with original Service Manual File Number 050-200213 PRINTED IN UK. 2002 C...
  • Page 40 Change of MAIN PCB and CRT PCB ELECTRICAL REPLACEMENT PARTS LIST MFR'S VERSION A MFR'S VERSION C PART NO. DESCRIPTION PART NO. DESCRIPTION REF. NO. MAIN PCB ASS'Y (VERSION A) MAIN PCB ASS'Y (VERSION C) PCB010 A3L001C010K A3L001C010K TMA531A TMA531C CRT PCB ASS'Y (VERSION A) CRT PCB ASS'Y (VERSIONC) PCB110 A3L001C110K...
  • Page 41 PRINTED CIRCUIT BOARDS MAIN/CRT (INSERTED PARTS) SOLDER SIDE (MFR'S VERSION C) CP101 R445 VR420 VR401 CP001 C728 D604 R713 W087 D402 L711 D410 Q702 R417 C406 W854 J701 W057 C403 L712 W834 C718 Q701 C430 R416 R410 C725 C405 R428 C446 L713 W023...
  • Page 42 TOSHIBA Information Systems (UK) Ltd Consumer Products Division, European Service Centre, Admiralty Way, Camberley, Surrey. GU15 3DT...

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