Toshiba 32AF46C Service Manual
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Toshiba 32AF46C Service Manual

Toshiba 32AF46C Service Manual

Color television
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SERVICE MANUAL

COLOR TELEVISION
The above model is classified as a green product (*1), as indicated by the underlined serial number.
This Service Manual describes replacement parts for the green product. When repairing this green
product, use the part(s) described in this manual and lead-free solder (*2).
For (*1) and (*2), see the next page.
FILE NO. 050-200608GR
32AF46C
DOCUMENT CREATED IN JAPAN, February, 2006 GREEN
(MFR'S VERSION A)

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  • Page 1: Service Manual

    (MFR’S VERSION A) SERVICE MANUAL COLOR TELEVISION 32AF46C The above model is classified as a green product (*1), as indicated by the underlined serial number. This Service Manual describes replacement parts for the green product. When repairing this green product, use the part(s) described in this manual and lead-free solder (*2).

  • Page 2: Green Product Procurement

    Hazardous Substances. From July 1, 2006, the RoHS Directive will prohibit any marketing of new products containing the restricted substances. Increasing attention is given to issues related to the global environmental. Toshiba Corporation recognizes environmental protection as a key management tasks, and is doing its utmost to enhance and improve the quality and scope of its environmental activities.

  • Page 3: 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 4: Table Of Contents

    TABLE OF CONTENTS GREEN PRODUCT PROCUREMENT ..................A1-1 LEAD-FREE SOLDER ........................ A1-1 SERVICING NOTICES ON CHECKING ..................A1-2 HOW TO ORDER PARTS ......................A1-2 IMPORTANT ..........................A1-2 TABLE OF CONTENTS ......................A2-1 GENERAL SPECIFICATIONS ....................A3-1~A3-5 DISASSEMBLY INSTRUCTIONS 1. REMOVAL OF ANODE CAP ....................B1-1 2.

  • Page 5: General Specifications

    GENERAL SPECIFICATIONS CRT Size / Visual Size 32 inch / 802.0mmV System CRT Type Flat Magnetic Field BV/BH +0.45G/0.18G Color System NTSC Speaker 2 Speaker Position Front Size 2.0 x 4.7 Inch Impedance Sound Output 5.0+5.0 W 10%(Typical) NTSC3.58+4.43 /PAL60Hz Tuning Broadcasting System System M...
  • Page 6 GENERAL SPECIFICATIONS On Screen Menu Display Menu Type Icon Picture Contrast Brightness Color Tint Sharpness Sound Bass Treble Balance BBE On/Off Stable Sound On/Off Surround On/Off Set Up TV/Cable Auto CH Memory Add/ Delete Option Language CH Label Favorite CH V-Chip Lock On/Off Timer...
  • Page 7 GENERAL SPECIFICATIONS G-10 Remote Unit RC-GW 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 8 GENERAL SPECIFICATIONS G-11 Features Auto Degauss Auto Shut Off Canal+ Cable Anti-theft Rental Memory(Last CH) Memory(Last Volume) V-Chip Type 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...
  • Page 9 Height (cm) 40 (ORION SPEC:25) Container Stuffing Sets/40' container G-17 Cabinet Material Cabinet Cabinet Front PS 94V0 DECABROM Cabinet Rear PS 94V0 NON-DECABROM Non-Halogen Demand Eyelet Demand G-18 Environment Environmental standard requirement (by buyer) Green procurement of TOSHIBA Pb-free Phase3(Phase3A) A3-5...

  • Page 10: 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 11: Removal And Installation Of Flat Package Ic

    DISASSEMBLY INSTRUCTIONS When IC starts moving back and forth easily after REMOVAL AND INSTALLATION OF desoldering completely, pickup the corner of the IC using a FLAT PACKAGE IC 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 12 DISASSEMBLY INSTRUCTIONS INSTALLATION When bridge-soldering between terminals and/or the soldering amount are not enough, resolder using a Thin-tip Take care of the polarity of new IC and then install the new Soldering Iron. (Refer to Fig. 2-8.) IC fitting on the printed circuit pattern. Then solder each lead on the diagonal positions of IC temporarily.

  • Page 13: 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. Set Key Remocon Key Operations Releasing of V-CHIP PASSWORD.

  • 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 in AV MODE without signal. CAUTION Connect the digital voltmeter to the TP003. Adjust the VR502 until the digital voltmeter is 135 ±...
  • Page 15 ELECTRICAL ADJUSTMENTS 2-4: COLOR CENT Receive the color bar pattern. (RF Input) Using the remote control, set the brightness, contrast, color and tint to normal position. Connect the oscilloscope to TP804. Activate the adjustment mode display of Fig. 1-1 and press the channel button Hon the remote control to select "COLOR CENT".
  • Page 16 ELECTRICAL ADJUSTMENTS 2-10: HORIZONTAL POSITION 2-14: CONTRAST MAX Receive the monoscope pattern. Activate the adjustment mode display of Fig. 1-1 and Activate the adjustment mode display of Fig. 1-1 and press the channel button (18) on the remote control to press the channel button (03) on the remote control to select “CONT.
  • Page 17 ELECTRICAL ADJUSTMENTS 2-18: LEVEL Connect the AC voltmeter to pin 6 of CP101. 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 85 ±...

  • Page 18: Purity And Convergence

    ELECTRICAL ADJUSTMENTS 3. 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.
  • Page 19 ELECTRICAL ADJUSTMENTS 4. ELECTRICAL ADJUSTMENT PARTS LOCATION GUIDE (WIRING CONNECTION) CRT PCB CP804 CP803 CP852 J801 CP802B CP801B CP851B CD801 CD851 CD802 CP801A J702 CP101 J708 J704 J703 J701 FB401 CP401 TP003 VR401 W003 POWER PCB VR502 CP851A CP802A CP1001 CP502 CP501 OS101...

  • Page 20: Block Diagram

    BLOCK DIAGRAM A/V OUT J708 COMB FILTER IC Q855 ~ Q859 Q852, Q583 Q854 CHROMA IC IC1501 LA76605M-TLM-E IC601 M61283FP R70T BUFFER SWITCHING VM COIL C OUT Q610 Q613 FB401 VIDEO LINE OUT SVM OFF Y IN DELAYDE Y OUT Y OUT J801 Q603, Q605, Q614...

  • Page 21: Printed Circuit Boards Main

    PRINTED CIRCUIT BOARDS MAIN (INSERTED PARTS) SOLDER SIDE C415 C427_1 CP801A B401 C426 J702 J701 J703 D404 J704 J708 CP101 D411 R443 D705 C413_1 D701 R435 D407 D608 D405 R432 D704 D703 W861 W006 R430 D702 W134 R459_2 W062 W061 C421_1 W060 W132...
  • Page 22 PRINTED CIRCUIT BOARDS MAIN (CHIP MOUNTED PARTS) SOLDER SIDE Q101 R109 IC199_1 R101 C719 R112 R113 R907 CMD016C C102 C104 IC302 IC902 R136 IC101 R305 R906 R125 R128 Q902 IC301 R137 R150 R127 Q901 R131 Q103 C636 R644 C138 C136 C137 Q613 Q610 R612...

  • Page 23: Power

    PRINTED CIRCUIT BOARDS POWER SOLDER SIDE SOLDER SIDE CP201 D809 L801 D807 R808 TP806 Q810 R201 W808 Q201 R804 W822 Q202 TP804 S806Y W821 W890 R812 R806 TP805 R820 D808 W807 Q853 C201 Q812 W007 Q811 C805 R819 R814 Q852 R859 W806 C857...
  • Page 24 MICON SCHEMATIC DIAGRAM ACCESSORY (MAIN PCB) BT001 MNAAA(R03) OS101 TM101 RPM7138-WH5 BT002 R25-1943 MNAAA(R03) TEST POINT Vout LED SW Q101 R109 CP101 173979-7 2SC3052 I2C_SCL I2C_SDA R101 I2C_OFF R103 R106 AUDIO L AUDIO R 2.7K R130 R150 CLAMP SW Q103 47K 1/4W 2SC3052 FROM/TO CHROMA...
  • Page 25 CHROMA SCHEMATIC DIAGRAM (MAIN PCB) TO SUB POWER S808X FROM/TO AV R616 VIDEO_IN2 120 1/2W V_IN[YUV] AT+5V REG R617 Q607 VIDEO_IN1 KTC3203_Y U_IN[YUV] Y_IN[YUV] VIDEO_IN3 R603 VIDEO_OUT 330 1/2W FROM/TO COMB/FILTER FROM/TO MICON C_V_OUT_SW P.CON+5V PROTECT Y_V_OUT_SW C641 VIDEO_OUT C IN(Y/C) Y SW OUT SW_Y_OUT P.CON+8V[A]...
  • Page 26 DEFLECTION SCHEMATIC DIAGRAM (MAIN PCB) FROM/TO DY V.OUTPUT IC IC401 LA78041 V801 CP401 CD401 THERMAL PROTECTION A80ERF182X18L B06B-DVS-L_(LF) CH466001 PUMP UP L402_1 25.0 12.0 25.0 R407 311015008 1.2K R439 1K 1W TO CRT/SVM C425_1 CD852 (CP852) CD803_1 (CP803) 0.001 CU83036A CH232006 S811X BUFFER...
  • Page 27 POWER SCHEMATIC DIAGRAM (MAIN PCB) D516 RELAY DRIVE Q504 10.9 1SS133 KTC3198 R515 10K 1/4W TO SOUND RY501 R517_1 D505 W806 G5PA-1-SA(WEC) SOUND+B 30PRA60-FC 1 3W R541_1 DEGAUSS COIL R501 L503 P.CON+12V CP502 8R320007 1 7W 0.22 1W A1561WV2-2P SOUND_GND D517 C502_1 C503_1...
  • Page 28 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 R305 C323 R307 C325 0.0033 0.033 Tone Volume 2.2K SURR Balance Control R313 Control /MUTE 1K 1/4W MODE control R IN Vref R OUT...

  • Page 29: Tuner/Stereo

    TUNER/STEREO SCHEMATIC DIAGRAM (MAIN PCB) TU001 115-V-KA35ARB FROM/TO CHROMA TUNER+5V NC NC TUNER_VIDEO W812 P.CON+8V[B] P.CON+5V FROM POWER R001 P.CON+B 100K 1/2W R002 100K 1/2W TO MICON FROM/TO MICON J_AUDIO_OUT_L C901 BUFFER Q901 2SA1530A J_AUDIO_OUT_R C902 BUFFER Q902 2SA1530A TO SOUND L901 SW_AUDIO_L 100uH 0305...
  • Page 30 AV SCHEMATIC DIAGRAM (MAIN PCB) YUV_IN(REAR) J704 FROM/TO CHROMA MSP-213V1-652_NI_LF V_IN[YUV] U_IN[YUV] Y_IN[YUV] VIDEO_OUT VIDEO_IN2 A/V_OUT(REAR) VIDEO_IN1 J708 MSP-213V2-432_NI_LF VIDEO_IN3 C711 R708 C707 R704 R702 C728 R721 220 1/4W MUTE R703 Q711 R711 2SC3052 2.2K C710 MUTE BUFFER Q712 R710 Q709 KANP 2SC3052...

  • Page 31: Comb/Filter

    COMB/FILTER SCHEMATIC DIAGRAM (MAIN PCB) L1511 15uH 0305 BUFFER Q1508 2SC3052 C1535 L1505 FROM AV 15uH 0305 S_VIDEO_IN[C] S_VIDEO_IN[Y] R1512 BUFFER Q1503 C1513 2SC3052 0.1 B VIDEO SW(Y) IC C1519 FROM MICON IC1502 MM1501XNRE Vin1 Y/C_SW V.OUT Vin2 VIDEO SW(C) IC IC1503 MM1501XNRE FROM/TO CHROMA...

  • Page 32: Crt/Svm

    CRT/SVM SCHEMATIC DIAGRAM (CRT PCB) TP804 PCB110 CRT BLOCK CCD014 R828 RED AMP Q801 123.5 2.7K 1/4W R813 W821 W822 W823 2SC4217 220 1/4W D801 FROM CHROMA 1SS133 CP802B (CP802A) R855 A2001WV2-7P RED AMP Q810 P.CON+8V W808 330 1/2W W820 KTC3199_Y GND(SIGNAL) D807...

  • Page 33: Sub Power

    SUB POWER SCHEMATIC DIAGRAM (POWER PCB) FROM/TO CHROMA S806Y CP201 Q201 Q202 IMSA-6035B-03Z002-PT1 KTC3209_Y KTC3203_Y Tr_E Tr_C Tr_B C201 6.3V 1000 S805Y CAUTION: DIGITAL TRANSISTOR PCB240 NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED CED039 OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST...

  • Page 34: Av Jack

    AV JACK SCHEMATIC DIAGRAM (STEREO JACK PCB) CD1003 SPEAKER C3226201 8 OHM SP OUT L SP1001 SOUND_GND MSF-2D5D10WD CD1002 SPEAKER C3222801 SP OUT R 8 OHM J1002 SP1002 SOUND_GND HTJ-035-28ABBP MSF-2D5D10WD FROM/TO SOUND CD1001 C3142502 R1051 SP IN L+ 1/2W R1050 SP IN L- SP IN R-...

  • Page 35: Waveforms

    WAVEFORMS MICON 0.5V 10ms/div 13 1V 20µs/div 1 1V 0.1µs/div 9 1V 50µs/div 14 2V 20µs/div 2 1V 1µs/div 10 2V 20µs/div 3 1V 50µs/div 15 2V 20µs/div DEFLECTION 4 1V 0.1ms/div 11 0.5V 20µs/div 16 2V 5ms/div CHROMA 7 1V 20µs/div 12 1V 2µs/div 17 20V 5ms/div NOTE:...
  • Page 36 WAVEFORMS 38 50V 20µs/div 25 2V 5ms/div 18 10V 10ms/div 39 50V 20µs/div 19 20V 20µs/div 26 5V 2ms/div SOUND 20 2V 20µs/div 27 5V 2ms/div 22 2V 5ms/div 21 200V 50µs/div 28 200mV 20µs/div 23 2V 5ms/div 37 50V 20µs/div 29 200mV 20µs/div 24 2V 5ms/div NOTE:...

  • Page 37: Mechanical Exploded View

    MECHANICAL EXPLODED VIEW PCB110 (CRT PCB ASS'Y) PCB010 (MAIN PCB ASS'Y) PCB240 (POWER PCB ASS'Y) PCB280 (STEREO JACK PCB ASS'Y) 101D 101J 101I 101I 101H 101C 101B 101K 101F 101G 101E 101A...
  • Page 38 MECHANICAL EXPLODED VIEW (PACKING DIAGRAM) 118, 119, TM101...

  • Page 39: Mechanical Replacement Parts List

    MECHANICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description 72783623 7A701A659A FRONT CABI ASS'Y 101A 72783624 701WPJD242 CABINET FRONT 101B 72783625 712WPJC243 DOOR 101C 72783608 711WPAA129 PLATE,FRONT 101D 72799469 713WPA0364 GUIDE,REMOCON 101E 72799666 723000C932 AV,LABEL 101F 72799568 7230007791 SHEET,BUTTON 101G 72798569...

  • Page 40: Electrical Replacement Parts List

    ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description RESISTORS ! R402 72781751 R65501680J R,FUSE OHM 1W ! R410 72795114 R3X18A681J R,METAL OXIDE 680 OHM 2W ! R416 72794597 R002T22R2J 2.2 OHM 1/2W ! R420 72794597 R002T22R2J 2.2 OHM 1/2W ! R426 72794599 R4X5T4472F...
  • Page 41 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description DIODES D113 72794489 D97U05R61B DIODE,ZENER MTZJ5.6B T-77 D402 72794488 D2WT011E10 DIODE,SILICON 11E1-EIC D403 72794471 D97U03001B DIODE,ZENER MTZJ30B T-77 D404 72794469 D97U05R11B DIODE,ZENER MTZJ5.1B T-77 ! D405 72794472 D2WTAU02A0 DIODE,SILICON AU02A-EIC ! D406 72794489...
  • Page 42 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description IC702 72794502 I0UF015010 MM1501XNRE IC902 72795535 I01FF58290 AN5829S-E1V ! IC1001 72794497 I0FSP7808B AN17808B IC1501 72797544 I03FE76605 LA76605M-TLM-E IC1502 72794502 I0UF015010 MM1501XNRE IC1503 72794502 I0UF015010 MM1501XNRE TRANSISTORS Q101 72795479 T8RA030520 TRANSISTOR,SILICON 2SC3052-T1 Q103...
  • Page 43 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description COILS &TRANSFORMERS L1503 72794526 02167F220J COIL L1505 72795932 02167F150J COIL L1508 72794540 02167F101J COIL 100 UH L1510 72795932 02167F150J COIL L1511 72795932 02167F150J COIL L1512 72796571 021LA6220J COIL T401 72795486 0450190161 TRANS,HORIZONTAL DRIVE...
  • Page 44 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description MISCELLANEOUS ! F501 72794493 081PC6R305 FUSE 51MS063L ! FB401 72798966 043232014F TRANSFORMER,FLYBACK FUH32F001 FH501 72794496 06710T0009 HOLDER,FUSE EYF-52BCY FH502 72794496 06710T0009 HOLDER,FUSE EYF-52BCY OS101 72794541 0773071001 REMOTE RECEIVER RPM7138-WH5 ! RY501 72794686 0560X20118...
  • Page 45 TOSHIBA CORPORATION 1-1, SHIBAURA 1-CHOME, MINATO-KU, TOKYO 105-8001, JAPAN...

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