Toshiba 32A35 Service Manual
  1. Manuals
  2. Brands
  3. Toshiba Manuals
  4. TV
  5. 32A35
  6. Service manual

Toshiba 32A35 Service Manual

Hide thumbs Also See for 32A35:
Table of Contents

Advertisement

Quick Links

See also: Owner's Manual
FILE NO. 050-200520
(MFR'S VERSION A)

SERVICE MANUAL

COLOR TELEVISION
32A35
DOCUMENT CREATED IN JAPAN, May, 2005

Advertisement

Table of Contents
loading

Related Manuals for Toshiba 32A35

Summary of Contents for Toshiba 32A35

  • Page 1: Service Manual

    FILE NO. 050-200520 (MFR’S VERSION A) SERVICE MANUAL COLOR TELEVISION 32A35 DOCUMENT CREATED IN JAPAN, May, 2005...

  • 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: About Lead Free Solder (Pbf)

    ABOUT LEAD FREE SOLDER (PbF) Distinction of PbF PCB: PCBs (manufactured) using lead free solder will have a PbF printing on the PCB. (Please refer to figures.) Caution: • Pb free solder has a higher melting point than standard solder; Typically the melting point is 50°F~70°F(30°C~40°C) higher.

  • Page 4: Table Of Contents

    TABLE OF CONTENTS SERVICING NOTICES ON CHECKING ..................A1-1 HOW TO ORDER PARTS ......................A1-1 IMPORTANT ..........................A1-1 ABOUT LEAD FREE SOLDER (PbF) ..................A1-2 TABLE OF CONTENTS ......................A2-1 A3-1~A3-5 GENERAL SPECIFICATIONS ....................DISASSEMBLY INSTRUCTIONS 1. REMOVAL OF ANODE CAP ....................B1-1 B2-1, B2-2 2.

  • Page 5: General Specifications

    GENERAL SPECIFICATIONS CRT Size / Visual Size 32 inch / 800.1mmV System CRT Type Normal Magnetic Field BV/BH +0.45G/0.18G Color System NTSC Speaker 2Speaker Position Front Size 1.8 x 3.9 Inch Impedance Sound Output M3N5-16 5.0 + 5.0 W 10%(Typical) NTSC3.58+4.43 /PAL60Hz Tuning Broadcasting System...
  • Page 6 GENERAL SPECIFICATIONS On Screen Menu Display Menu Type Icon Picture Contrast Brightness Color Tint Sharpness Audio Bass Treble Balance BBE On/Off Stable Sound On/Off Surround On/Off Set Up TV/CABLE(CATV) CH Program Add/Erase Option Language V-chip CH Label Favorite CH Lock On/Off Timer Color Stream DVD/DTV Control Level...
  • 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 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 3 Lines Auto CH Memory Hotel Lock...
  • Page 9 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 Audio Input RCA x 2 Other Terminal...

  • 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 Masking Tape (cotton tape) around the Flat Package...
  • 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 is 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 1 second. Set Key Remocon Key Operations Releasing of V-CHIP PASSWORD.

  • Page 14: Adjustment Procedure

    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 TP022. Activate the adjustment mode display of Fig. 1-1 and press the channel button (22) on the remote control to select "COLOR CENT".
  • Page 16 ELECTRICAL ADJUSTMENTS 2-9: VERTICAL LINEARITY 2-13: BRIGHT CENT NOTE: Adjust after performing adjustments in section 2-8. Receive the monoscope pattern. (RF Input) After the adjustment of Vertical Linearity, reconfirm Using the remote control, set the brightness and contrast the Vertical Position and Vertical Size adjustments. to normal position.
  • Page 17 ELECTRICAL ADJUSTMENTS 2-17: SEPARATION 1, 2 Receive the stereo signal (L=2KHz, R=400Hz). Connect the AC voltmeter to Audio Out Jack though stereo filter (L=400Hz, R=2KHz). Activate the adjustment mode display of Fig. 1-1 and press the channel button (34) on the remote control to select “SEP1”.

  • Page 18: Purity And Convergence

    ELECTRICAL ADJUSTMENTS 3-3: STATIC CONVERGENCE 3. PURITY AND 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

    ELECTRICAL ADJUSTMENTS 4. ELECTRICAL ADJUSTMENT PARTS LOCATION GUIDE (WIRING CONNECTION) CRT PCB CP806 TP024 R805 TP022 R803 J801 CP802B CP801B CP805 CD801 CD802 CP801A CP101 FB401 CP401 VR401 TP003 W003 VR502 AC IN SPEAKER CP802A CP502 L503 CP501 CP1001 CP701 MAIN PCB CD701 J752...

  • Page 20: Block Diagram

    BLOCK DIAGRAM A/V OUT J708 COMB FILTER IC CHROMA IC IC1501 LA76605M-TLM IC601 M61283FP R70T C OUT FB401 Y IN VIDEO LINE OUT Y OUT J801 Q603, Q614, Q605 Q802, Q806 VIDEO SW(Y) IC BLUE OUT B OUT IC1502 MM1501XNRE Q803, Q805 S-JACK G OUT...

  • Page 21: Printed Circuit Boards

    PRINTED CIRCUIT BOARDS STEREO JACK MAIN/CRT (INSERTED PARTS) (INSERTED PARTS) SOLDER SIDE SOLDER SIDE C427_1 C426 CP801A B401 CP403 C415 J702 J703 J701 J704 J708 CP101 D404 D411 C750 C413_1 R443 D608 D701 D407 D704 D405 R432 W861 D703 W006 D705 R762 R430...
  • Page 22 PRINTED CIRCUIT BOARDS STEREO JACK (CHIP MOUNTED PARTS) MAIN/CRT (CHIP MOUNTED PARTS) SOLDER SIDE SOLDER SIDE Q101 W805 R109 IC199_1 R101 W845 R112 R113 R907 CMD016B C102 C104 IC302 IC902 R136 IC101 R906 R125 R128 Q902 R137 R150 R127 Q901 R131 Q103 R810...

  • Page 23: Micon

    MICON SCHEMATIC DIAGRAM ACCESSORY (MAIN PCB) BT001 GR03X-SP2 OS101 TM101 RPM7138-WH5 BT002 R25-1939 GR03X-SP2 TEST POINT Vout LED SW Q101 R109 CP101 173979-7 KTC3875S_Y_RTK I2C_SCL I2C_SDA R101 I2C_OFF R103 R106 AUDIO L AUDIO R 2.7K R130 R150 CLAMP SW Q103 47K 1/4W KTC3875S_Y_RTK FROM/TO CHROMA...

  • Page 24: Chroma

    CHROMA SCHEMATIC DIAGRAM (MAIN PCB) 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 P.CON+5V REG C641 VIDEO_OUT Q606 C IN(Y/C) Y SW OUT SW_Y_OUT KTC3209_Y...

  • Page 25: Deflection

    DEFLECTION SCHEMATIC DIAGRAM (MAIN PCB) FROM/TO DY V.OUTPUT IC IC401 LA78041 CP401 V801 B06B-DVS-L (LF) THERMAL PROTECTION M80LNK085X90Y1J PUMP UP L402 ELH5L7120N 25.0 12.0 25.0 R407 R439 1.2K 1K 1W C425_1 0.001 TO CRT/SVM CD805 (CP805) C3823005 BUFFER R414 R417 BUFFER Q409 Q408...

  • Page 26: Power

    POWER SCHEMATIC DIAGRAM (MAIN PCB) D516 RELAY DRIVE Q504 10.9 1SS133 KTC3198 R515 10K 1/4W C516 500V 0.001 RY501 TO SOUND G5PA-1-SA(WEC) R517_1 5A 125V D505 W806 SOUND+B 30PRA60-FC 0.39 3W DEGAUSS COIL R501 ICP501 L503 P.CON+12V CP502 8R320005 1 7W 5A250V A1561WV2-2P SOUND_GND...

  • Page 27: 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 W832 R303 100 1/4W FROM CHROMA R304 L301...

  • Page 28: 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 68K 1/2W R002 68K 1/2W TO MICON FROM/TO MICON J_AUDIO_OUT_L C901 BUFFER Q901 KTA1504S_Y_RTK J_AUDIO_OUT_R C902 BUFFER Q902 KTA1504S_Y_RTK TO SOUND L901 SW_AUDIO_L 100uH 0305...
  • Page 29 AV SCHEMATIC DIAGRAM (MAIN PCB) YUV_IN(REAR) J704 FROM/TO CHROMA MSP-213V1-652_NI V_IN[YUV] U_IN[YUV] Y_IN[YUV] VIDEO_OUT VIDEO_IN2 A/V_OUT(REAR) VIDEO_IN1 J708 MSP-213V2-432_NI VIDEO_IN3 C711 R708 C707 R704 R702 C728 R721 220 1/4W MUTE Q711 R703 R711 KTC3875S_Y_RTK MUTE C710 BUFFER 2.2K Q712 R710 Q709 KANP KTC3875S_Y_RTK...

  • Page 30: Crt

    CRT SCHEMATIC DIAGRAM (CRT PCB) CRT BLOCK (W/O SVM) FROM DEFLECTION CP806 005P-2100 SCREEN FROM DEFLECTION CP801B B2013H02-5P W802 180V HEATER FOCUS R802 FROM CHROMA 2.7K 1/4W R803 RED/GREEN OUT CP802B B2013H02-7P Q804 RED/GREEN OUT CLAMP 12K 2W KTC4217 Q801 100.6 123.0 R812...

  • Page 31: Comb Filter

    COMB/FILTER SCHEMATIC DIAGRAM (MAIN PCB) L1511 15uH 0305 BUFFER Q1508 KTC3875S_Y_RTK C1535 L1505 FROM AV 15uH 0305 S_VIDEO_IN[C] S_VIDEO_IN[Y] R1512 BUFFER Q1503 C1513 KTC3875S_Y_RTK 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: Av Jack

    AV JACK SCHEMATIC DIAGRAM (AV JACK PCB) FROM AV CD701 (CP701) C3242006 W805 VIDEO VIDEO AUDIO_R J753 AV1-06AD-3 AUDIO_L C751_2 R761 1/4W AUDIO_L J752 AV1-06AD-4 C754_2 R762 1K 1/4W AUDIO_R J751 AV1-06ADS-2 PCB280 CED038 NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE...

  • Page 33: 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 12 1V 2µs/div 7 1V 20µs/div 17 20V 5ms/div NOTE:...
  • Page 34 WAVEFORMS 38 50V 20µs/div 25 2V 5ms/div 18 10V 10ms/div 19 20V 20µs/div 39 50V 20µs/div 26 5V 2ms/div SOUND 27 5V 2ms/div 20 2V 20µs/div 22 2V 5ms/div 28 200mV 20µs/div 23 2V 5ms/div 21 200V 50µs/div 37 50V 20µs/div 24 2V 5ms/div 29 200mV 20µs/div NOTE:...

  • Page 35: Mechanical Exploded Views

    MECHANICAL EXPLODED VIEW 102B 102B 102A 102B PCB110 (CRT PCB ASS'Y) 101I PCB010 (MAIN PCB ASS'Y) 101F 101G 101H PCB280 101H 101F (STEREO JACK PCB ASS'Y) 101G 101D 101I 101H 101B 101H 101E 101C 101A...
  • Page 36 MECHANICAL EXPLODED VIEW (PACKING DIAGRAM) 123, 124, 126, TM101...

  • Page 37: Mechanical Replacement Parts List

    MECHANICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description AE006023 7A701A304A FRONT CABI ASS'Y 101A AE005749 701WPJC547 CABINET,FRONT 101B AE000626 711WPA0191 PLATE,FRONT 101C AE003182 712WPBA085 DOOR 101D AE000628 713WPA0288 GLASS,LED 101E AE003183 723000C520 AV LABEL 101F AE000634 735WPA0769 STOPPER,BUTTON 101G AE003184...

  • Page 38: Electrical Replacement Parts List

    ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description RESISTORS ! R410 AD301344 R3X18A151J R,METAL OXIDE 150 OHM 2W ! R419 AD300784 R3X1811R2J R,METAL OXIDE 1.2 OHM 1W ! R426 BZ210030 R4X5T4472F R,METAL 4.7K OHM 1/4W ! R434 AD300421 R5X2CF1R8J R,CEMENT...
  • Page 39 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description DIODES ! D411 BZ410063 D2WTAU02A0 DIODE,SILICON AU02A-EIC D414 BZ410043 D2WT011E10 DIODE,SILICON 11E1-EIC D415 BZ410043 D2WT011E10 DIODE,SILICON 11E1-EIC D416 BZ410006 D1VT001330 DIODE,SILICON 1SS133T-77 D417 BZ410006 D1VT001330 DIODE,SILICON 1SS133T-77 D419 BZ410006 D1VT001330 DIODE,SILICON 1SS133T-77...
  • Page 40 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description TRANSISTORS Q504 BZ510069 TCATC31980 TRANSISTOR,SILICON KTC3198-AT(Y,GR) ! Q505 BZ510011 TC3T029090 TRANSISTOR,SILICON 2SC2909(S,T)-AA ! Q507 BZ510069 TCATC31980 TRANSISTOR,SILICON KTC3198-AT(Y,GR) ! Q508 BZ510077 TAAT012714 TRANSISTOR,SILICON KTA1271_Y-AT Q509 BZ510069 TCATC31980 TRANSISTOR,SILICON KTC3198-AT(Y,GR) ! Q512 BZ510004 TA3T016240...
  • Page 41 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description P.C.BOARD ASSEMBLIES PCB010 AE006078 A3N515H010 PCB ASS'Y CMD016B PCB110 AE006080 A3N515H110 PCB ASS'Y CCD010B PCB280 AE006081 A3N515H280 PCB ASS'Y CED038A MISCELLANEOUS B401 BZ310129 024HT03564 CORE,BEADS W4BRH3.5X6X1.0 B402 BZ310129 024HT03564 CORE,BEADS W4BRH3.5X6X1.0 B405...
  • Page 42 TOSHIBA CORPORATION 1-1, SHIBAURA 1-CHOME, MINATO-KU, TOKYO 105-8001, JAPAN...

Table of Contents