Toshiba 14AF45 Service Manual
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Toshiba 14AF45 Service Manual

Toshiba 14AF45 Service Manual

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FILE NO. 050-200508
(MFR'S VERSION A)
SERVICE MANUAL
COLOR TELEVISION
14AF45
14AF45C
DOCUMENT CREATED IN JAPAN, February, 2005

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  • Page 1 FILE NO. 050-200508 (MFR’S VERSION A) SERVICE MANUAL COLOR TELEVISION 14AF45 14AF45C DOCUMENT CREATED IN JAPAN, February, 2005...

  • Page 2: Servicing Notices On Checking

    When you exchange IC and Transistor with a heat sink, apply silicon grease on the contact section of the heat sink. Befor applying new silicon grease, remove all the old silicon grease. (Old grease may cause damages to the IC and Transistor.) 14AF45/14AF45C A1-1...

  • Page 3: About Lead Free Solder (Pbf)

    When soldering or unsoldering, completely remove all of the solder from the pins or solder area, and be sure to heat the soldering points with the lead free solder until it melts sufficiently. Recommendations Recommended lead free solder composition is Sn-3.0Ag-0.5Cu. A1-2 14AF45/14AF45C...

  • Page 4: Table Of Contents

    G-9, G-10 TUNER/STEREO ........................G-11, G-12 COMB FILTER/AV ........................G-13, G-14 CRT ............................G-15, G-16 WAVEFORMS ..........................H-1, H-2 MECHANICAL EXPLODED VIEWS ................... I-1, I-2 MECHANICAL REPLACEMENT PARTS LIST ................. J1-1, J1-2 ELECTRICAL REPLACEMENT PARTS LIST ................J2-1~J2-8 14AF45/14AF45C A2-1...

  • Page 5: General Specifications

    W at AC 120 V 60 Hz Per Year kWh/Year Protector Power Fuse Safety Circuit IC Protector(Micro Fuse) Regulation Safety Radiation X-Radiation DHHS Temperature Operation +5oC ~ +40oC Storage -20oC ~ +60oC Operating Humidity Less than 80% RH A3-1 14AF45...
  • Page 6 V-chip Rating 16: 9 OSD Language English French Spanish Clock and Sleep Timer Max Time 120 Min Timer Step On/Off Timer Program(On Timer / Off Timer / Clock) Wake Up Timer Timer Back-up (at Power Off Mode) more than A3-2 14AF45...
  • Page 7 CH RTN(Quick View) Sleep RECall(Call) Reset Menu/Enter Mute Exit MTS(Audio Select) Fav.Up Fav.Down 16: 9 Multi Brand Keys CH Up(VCR) CH Down(VCR) Pause/Still TV/VCR(VCR) Play Stop Cable CODE DVD MENU < DVD MENU > DVD CLEAR TOP MENU DVD MENU A3-3 14AF45...
  • Page 8 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 9 Edges / 6 Surfaces Height (cm) Container Stuffing Sets/40' container G-17 Cabinet Material Cabinet Cabinet Front PS 94V0 DECABROM Cabinet Rear PS 94V0 DECABROM Non-Halogen Demand Eyelet Demand G-18 Environment Pb-free Soldering Parts Specification(Phase3 : based on RoHS) A3-5 14AF45...
  • Page 10 GENERAL SPECIFICATIONS CRT Size / Visual Size 14 inch / 357mmV System CRT Type Flat Magnetic Field BV/BH +0.45G/0.18G Color System NTSC Speaker 2 Speaker Position Front Side Size 1.6 x 2.8 Inch Impedance Sound Output 2.5+2.5 W 10%(Typical) 2.0+2.0 W NTSC3.58+4.43 /PAL60Hz Tuning Broadcasting System...
  • Page 11 GENERAL SPECIFICATIONS On Screen Menu Display Menu Type Icon Picture Contrast Brightness Color Tint Sharpness Audio Bass Treble Balance 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 Color Stream DVD/DTV Control Level...
  • Page 12 GENERAL SPECIFICATIONS G-10 Remote Unit RC-GQ Control Glow in Dark Remocon Format Toshiba Remocon Format Toshiba Custom Code TV:40-BF h Power Source Voltage(D.C) UM size x pcs UM-4 x 2 pcs Total Keys Keys Keys Power CH Up CH Down...
  • Page 13 GENERAL SPECIFICATIONS G-11 Features Auto Degauss Auto Shut Off Canal+ CATV Anti-theft Rental Memory(Last CH) Memory(Last Volume) V-Chip Type Auto Search CH Allocation Just Clock Function CH Label VM Circuit Full OSD Premiere Comb Filter Lines Auto CH Memory Hotel Lock Closed Caption Stable Sound FBT Leak Test Protect...
  • Page 14 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 = VIDEO2 Audio Input = VIDEO2 RCA x 2 Other Terminal...

  • Page 15: Disassembly Instructions

    Flip up the sides of the Rubber Cap in the direction of the arrow and remove one side of the support. (Refer to Fig. 1-2.) Rubber Cap Support Fig. 1-5 Support Confirm that the Support is securely connected. Fig. 1-2 Put on the Rubber Cap without moving any parts. B1-1 14AF45/14AF45C...

  • Page 16: Removal And Installation Of Flat Package Ic

    NOTE Do not move the Braided Shield Wire in the vertical direction towards the IC pattern. Blower type IC desoldering machine Braided Shield Wire Soldering Iron IC pattern Fig. 2-4 Fig. 2-2 B2-1 14AF45/14AF45C...
  • Page 17 Fig. 2-6 Absorb the solder left on the lead using the Braided Shield Wire. (Refer to Fig. 2-7.) NOTE Do not absorb the solder to excess. Soldering Iron Braided Shield Wire Fig. 2-7 B2-2 14AF45/14AF45C...

  • Page 18: Service Mode List

    Press both VOL. DOWN button on the set and Channel button (1) on the remote control for more than 2 seconds. After the finishing of the initializing of shipping, the unit will turn off automatically. The unit will now have the correct DATA for the new MEMORY IC. 14AF45/14AF45C...

  • Page 19: Electrical Adjustments

    VS CORRECTION Cb PEDESTAL ADJ R DRIVE Cr PEDESTAL ADJ B DRIVE PARABOLA R CUT OFF CORNER G CUT OFF TRAPWZIUM B CUT OFF LEVEL BRIGHT MAX SEPARATION1 BRIGHT CENT SEPARATION2 BRIGHT MIN READ DATA CONTRAST MAX Fig. 1-2 14AF45/14AF45C...
  • Page 20 Activate the adjustment mode display of Fig. 1-1 and press the channel button (33) on the remote control to select “LEVEL”. Press the VOL. UP/DOWN button on the remote control until the AC voltmeter is 75 ± 2mV. 00 OSD Fig. 2-2 14AF45/14AF45C...
  • Page 21 Press the VOL. UP/DOWN button on the remote mode. control until the contrast step No. becomes “90”. Press the VOL. UP/DOWN button on the remote control until the contrast step No. becomes “62”. Receive a broadcast and check if the picture is normal. 14AF45/14AF45C...
  • Page 22 2-15: Confirmation of Fixed Value (Step No.) Please check if the fixed values of the each adjustment items are set correctly referring below. FUNCTION H.VCO AFC GAIN V.SHIFT H.SIZE VS.CORRECTION BRI.MAX BRI.MIN CONT.CENT CONT.MIN COL.MAX COL.MIN SHARPNESS CB DL CR DL PARABOLA CORNER TRAPWZIUM 14AF45/14AF45C...
  • Page 23 Confirm red and blue color. WEDGE Adjust the slant of the deflection yoke while watching the screen, then tighten the fixing screw. WEDGE POSITION Fig. 3-2-b DEFLECTION YOKE DEFLECTION YOKE SCREW MAGNET SCREW PURITY MAGNETS 6 POLE MAGNETS 4 POLE MAGNETS Fig. 3-1 14AF45/14AF45C...
  • Page 24 CRT PCB CD803 CP803 R805 TP024 TP023 J801 CP806 R807 CP802B CP801B CP801A J702 CP101 J701 J704 FB401 TU001 VR401 W010 CP401 TP003 W003 VR502 CP802A CP502 CD1001 SPEAKER CP501 CP1001 J1001 J707 J705 J706 MAIN PCB AC IN 14AF45/14AF45C...

  • Page 25: Block Diagrams

    CH DOWN 26 SDA J704 KEY2 27 SCL VOL UP SOUND DECORDER IC IC902 AN5829S CH UP SPEAKER SP1001 MEMORY IC SPEAKER IC199 SP1002 FRONT-AUDIO.R BR24L16FJ-WE2 FRONT-AUDIO.L J707 J706 HEADPHONE_JACK J1001 TONE CONTROL IC SOUND AMP IC302 IC1001 AN7522N AN5891SA-E1V 14AF45/14AF45C...

  • Page 26: Printed Circuit Boards Main/Crt

    D105 C306 W125 C316 W180 L501 X101_1 W176 CP501 L301 W049 W174 W118 C505_1 CP1001 L901 FH502 F501 FH501 W050 R1013 R301 C108 W121 R1012 R120 J1001 SW103 SW104 SW101 SW102 SW105 R102 J706 J707 J705 C916 C905 D109 14AF45/14AF45C...
  • Page 27 MAIN/CRT (CHIP MOUNTED PARTS) SOLDER SIDE CME017A Q101 IC199_1 R109 IC902 IC302 IC101 R114 Q1502 R125 R814 Q103 R810 Q1505 R821 R641 R145 R1502 R652 R636 R632 R653 IC1501 Q1501 R627 Q1507 IC1503 R1514 IC1502 R513 R516 R736 R404 R725 14AF45/14AF45C...

  • Page 28: Micon

    MICON SCHEMATIC DIAGRAM ACCESSORY (MAIN PCB) BT001 GR03X-SP2 OS101 TM101 BT002 RPM7138-WH5 RC-GQ020 GR03X-SP2 TEST POINT Vout LED SW Q101 R109 CP101 173979-7 KTC3875S_Y_RTK I2C_SCL I2C_SDA R101 I2C_OFF C145 R103 R106 AUDIO L 220P CH AUDIO R 2.7K C125 0.001 R130 R150 CLAMP SW...

  • Page 29: Chroma

    CHROMA SCHEMATIC DIAGRAM (MAIN PCB) W831 FROM/TO COMB FILTER/AV R616 120 1/2W AT+5V REG V_IN[YUV] R617 Q607 VIDEO_IN1 KTC3203_Y 100 1/4W U_IN[YUV] Y_IN[YUV] VIDEO_IN3 R603 1/2W S801X FROM/TO MICON C_V_OUT_SW PROTECT Y_V_OUT_SW C641 P.CON+5V P.CON+5V REG C IN(Y/C) Y SW OUT SW_Y_OUT Q606 VIDEO_OUT...

  • Page 30: Deflection

    DEFLECTION SCHEMATIC DIAGRAM (MAIN PCB) FROM/TO DY V.OUTPUT IC IC401 LA78040N-E CP401 V801 THERMAL PROTECTION B06B-DVS-L (LF) A51LYZ095X81 PUMP UP L402_1 25.0 12.0 25.0 R407 ELH5L4113 1.2K 1/4W R439 1K 1W TO CRT/SVM C425_1 CD803_1 (CP805) C3823005 0.001 R414 R417 +-1% FROM/TO CHROMA V_OUT...

  • Page 31: Power

    POWER SCHEMATIC DIAGRAM (MAIN PCB) D516 RELAY DRIVE Q504 10.9 1SS133 KTC3198 R515 10K 1/4W TO SOUND RY501 R518 S802Y D505 S802X W806 G5PA-1-SA(WEC) SOUND+B 30PRA60-FC 0.22 R501 R541_1 DEGAUSS COIL L503 CP502 8R200024 1 7W 0.22 1W A1561WV2-2P SOUND_GND D517 CP507 003P-2100...

  • Page 32: 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 Tone Volume 2.2K SURR Balance Control Control /MUTE MODE control R IN Vref R OUT R303 100 1/4W FROM CHROMA R304 L301 P.CON+8V[B]...

  • Page 33: Tuner/Stereo

    TUNER/STEREO SCHEMATIC DIAGRAM (MAIN PCB) TU001 115-V-KA35ARB FROM/TO CHROMA S803X TUNER+5V TUNER_VIDEO W812 P.CON+5V FROM POWER R001 P.CON+B 1/2W R002 1/2W FROM/TO MICON W832 J_AUDIO_OUT_L W833 J_AUDIO_OUT_R TO SOUND L901 SW_AUDIO_L 100uH 0305 SW_AUDIO_R OUT SW IIC Decoder St.PLL Pilot Input Switch L-R Filter...
  • Page 34 COMB FILTER/AV SCHEMATIC DIAGRAM (MAIN PCB) VIDEO SW(Y) IC FROM/TO MICON IC1502 MM1501XNRE C1503 R1509 C1505 Vin1 Y/C_SW 0.01 R1510 S_IN V.OUT C1514 Vin2 BUFFER Q1502 KTC3875S_Y_RTK R1508 C1502 C1511 47P CH 0.01 VIDEO SW(C) IC C1512 R1513 R1518 IC1503 MM1501XNRE FROM/TO CHROMA C1501...
  • Page 35 CRT SCHEMATIC DIAGRAM (CRT PCB) FROM DEFLECTION CP806 005P-2100 SCREEN FROM DEFLECTION CP801B B2013H02-5P W802 180V HEATER FOCUS R802 FROM CHROMA 2.7K 1/4W CP802B (CP802A) R803 RED/GREEN OUT B2013H02-6P Q804 RED/GREEN OUT CLAMP 15K 2W 2SC4217 Q801 100.6 123.0 R812 KTC3199_Y R.OUT 14F:GREEN OUT...
  • Page 36 15 2V 20µs/div DEFLECTION 4 1V 0.1ms/div 11 0.5V 20µs/div 16 2V 5ms/div CHROMA 12 1V 2µs/div 7 1V 20µs/div 17 20V 5ms/div NOTE: The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram. 14AF45/14AF45C...

  • Page 37: Comb Filter/Av

    22 2V 5ms/div COMB/FILTER/AV 28 200mV 20µs/div 23 2V 5ms/div 21 200V 50µs/div 37 50V 20µs/div 29 200mV 20µs/div 24 2V 5ms/div NOTE: The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram. 14AF45/14AF45C...

  • Page 38: Mechanical Exploded Views

    MECHANICAL EXPLODED VIEW PCB110 (CRT PCB ASS'Y) PCB010 (MAIN PCB ASS'Y) 101E 101I 101H 101I 101F 101C 101G 101E 101B 101D 101A 14AF45/14AF45C...
  • Page 39 MECHANICAL EXPLODED VIEW (PACKING DIAGRAM) 118, 119, 120, TM101 14AF45/14AF45C...

  • Page 40: Mechanical Replacement Parts List

    AE004847 8117540A6U SCREW,TAP TITE(B0) TRUSS 4x16 AE005659 8109I3080U SCREW,TAP TITE(B) WH7 AE003528 8110630A0U SCREW,TAP TITE(P) BRAZIER 3x10 AE003529 811063080U SCREW,TAP TITE(P) BRAZIER AE003524 8109I30A0U SCREW,TAP TITE(B) WH7 3x10 AE005917 810963080Q SCREW,TAP TITE(B) BRAZIER AE003531 810763080U SCREW,TAP TITE(S) BRAZIER J1-1 14AF45...
  • Page 41 MECHANICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description AE006005 7A701A307A FRONT CABI ASS'Y 101A AE005740 701WPJC915 CABINET,FRONT 101B AE006309 711WPAA109 PLATE,FRONT 101C AE006310 713WPAA159 GLASS,LED 101D AE005349 723549A039 BADGE,BRAND 101E AE006311 735WPBB356 BUTTON,FRAME 101F AE006312 735WPJA850 BUTTON,POWER 101G AE006313 735WPAA709...

  • Page 42: Electrical Replacement Parts List

    ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description RESISTORS ! R402 AE006221 R638U2680J R,FUSE OHM 1/2W ! R410 AE005692 R3K58A221J R,METAL OXIDE 220 OHM 2W ! R413 BZ210105 R4X5T6183F R,METAL 18K OHM 1/6W ! R416 AD300416 R002T25R6J 5.6 OHM 1/2W ! R420 BZ210053...
  • Page 43 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description DIODES D507 BZ410006 D1VT001330 DIODE,SILICON 1SS133T-77 D508 BZ410064 D97U03R91B DIODE,ZENER MTZJ3.9B T-77 D509 AD300671 D97U01801B DIODE,ZENER MTZJ18B T-77 ! D510 AD301980 D2CF2016L0 DIODE,SILICON FE201-6L49 ! D511 AD300731 D2WXN49370 DIODE,SILICON 1N4937 ! D512 BZ410010...
  • Page 44 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description TRANSISTORS Q1502 AE005873 T8RA030520 TRANSISTOR,SILICON 2SC3052-T1 Q1505 AE005873 T8RA030520 TRANSISTOR,SILICON 2SC3052-T1 Q1507 AE005873 T8RA030520 TRANSISTOR,SILICON 2SC3052-T1 COILS &TRANSFORMERS L301 BZ310041 02167F101J COIL 100 UH L401 BZ310004 021679472K COIL 4.7 MH L402 BZ310063 022100027A...
  • Page 45 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description MISCELLANEOUS ! TH501 BZ410079 DF5EL3R0A0 DEGAUSS ELEMENT ZPB45BL3R0A TM101 AE006214 076N0GQ020 TRANSMITTER RC-GQ020 ! TU001 AE006069 0163300018 RF UNIT 115-V-KA35ARB ! V801 AE003160 098Q150408 CRT W/DY A36AKJ13X05(U) X101 AD302002 100CT8R005 CRYSTAL HC-49/U-S...
  • Page 46 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description RESISTORS ! R402 AE006221 R638U2680J R,FUSE OHM 1/2W ! R410 AE005692 R3K58A221J R,METAL OXIDE 220 OHM 2W ! R413 BZ210105 R4X5T6183F R,METAL 18K OHM 1/6W ! R416 AD300416 R002T25R6J 5.6 OHM 1/2W ! R420 BZ210053...
  • Page 47 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description DIODES D507 BZ410006 D1VT001330 DIODE,SILICON 1SS133T-77 D508 BZ410064 D97U03R91B DIODE,ZENER MTZJ3.9B T-77 D509 AD300671 D97U01801B DIODE,ZENER MTZJ18B T-77 ! D510 AD301980 D2CF2016L0 DIODE,SILICON FE201-6L49 ! D511 AD300731 D2WXN49370 DIODE,SILICON 1N4937 ! D512 BZ410010...
  • Page 48 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description TRANSISTORS Q1502 AE005873 T8RA030520 TRANSISTOR,SILICON 2SC3052-T1 Q1505 AE005873 T8RA030520 TRANSISTOR,SILICON 2SC3052-T1 Q1507 AE005873 T8RA030520 TRANSISTOR,SILICON 2SC3052-T1 COILS &TRANSFORMERS L301 BZ310041 02167F101J COIL 100 UH L401 BZ310004 021679472K COIL 4.7 MH L402 BZ310063 022100027A...
  • Page 49 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description MISCELLANEOUS ! TH501 BZ410079 DF5EL3R0A0 DEGAUSS ELEMENT ZPB45BL3R0A TM101 AE006214 076N0GQ020 TRANSMITTER RC-GQ020 ! TU001 AE006069 0163300018 RF UNIT 115-V-KA35ARB ! V801 AE003160 098Q150408 CRT W/DY A36AKJ13X05(U) X101 AD302002 100CT8R005 CRYSTAL HC-49/U-S...
  • Page 50 TOSHIBA CORPORATION 1-1, SHIBAURA 1-CHOME, MINATO-KU, TOKYO 105-8001, JAPAN...
  • Page 53 ORION ELECTRIC CO.,LTD. 41-1 IEHISA-CHO,ECHIZEN-CITY,FUKUI 915-8555 JAPAN FACSIMILE: (0778)24-5456 PHONE: (0778)23-0001 SERVICE INSTRUCTION FILE NO. 053-200508GRA DATE:Jan.,2006 RANK: Product: COLOR TELEVISION Model: 14AF45/14AF45C Corrective reason: Maker change of CRT. Corrective action: Parts exchange. Applicable units: BCA103012150 or younger. ORION ELECTRIC CO.,LTD.
  • Page 54 ELECTRICAL REPLACEMENT PARTS LIST MFR'S VERSION A MFR'S VERSION B PART NO. DESCRIPTION TSB P/N PART NO. DESCRIPTION TSB P/N CAUSE REF NO. V801 098Q150408 CRT W/DY A36AKJ13X05(U) 72796976 098Y150413 CRT W/DY A36MBC30X01B 72783331 Maker change of CRT.

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