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Toshiba 32DF46 Service Manual

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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. 050-200609GR
(MFR'S VERSION A)
32DF46
DOCUMENT CREATED IN JAPAN, April, 2006 GREEN

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  • Page 1: Service Manual

    (MFR’S VERSION A) SERVICE MANUAL COLOR TELEVISION 32DF46 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 2.5+2.5 W 10%(Typical) NTSC3.58+4.43 /PAL60Hz Tuning Broadcasting System Analog...
  • Page 6 GENERAL SPECIFICATIONS On Screen Menu Display Menu Type Icon Picture Mode(Picture preference) Contrast Brightness Color Tint Sharpness Color Temperature Reset Sound Bass Treble Balance BBE On/Off Stable Sound On/Off Audio Language Digital Output(PCM/Dolby Digital) Surround On/Off Reset Set Up Language Clock Set TV/Cable Auto CH Memory...
  • Page 7 Timer Back-up (at Power Off Mode) more than G-10 Remote Unit RC-KK Control Glow in Dark Remocon Back Light Remocon Remocon Format Toshiba Format Toshiba Custom Code TV:40-BFh Power Source Voltage(D.C) UM size x pcs UM-4 x 2 pcs Total Keys...
  • Page 8 GENERAL SPECIFICATIONS G-11 Features Auto Degauss Auto Shut Off Canal+ Cable(CATV) Anti-theft Rental Memory(Last CH) Memory(Last Volume) V-Chip(Analog & Digital) Type USA,Orion 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(Analog &...
  • 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 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. Table 1 CONFIRMATION OF INITIAL DATA CONFIRMATION OF INITIAL DATACONFIRMATION OF INITIA...
  • Page 15: Re-Write For Digital Soft Firmware

    RE-WRITE FOR DIGITAL SOFT FIRMWARE JG198 JG199 Flash UP-Date Soft JG176 USA SD DTV ROM Serial Communication Disc DISC Change JIG Ref. No. Part No. Parts Name Remarks Serial Communication JG198 APJG198000 Connect the set to personal computer Change JIG Up-Date of the Firmware JG199 APJG199000...
  • Page 16: Electrical Adjustments

    ELECTRICAL ADJUSTMENTS 1. ADJUSTMENT PROCEDURE FUNCTION FUNCTION OSD H Read and perform these adjustments when repairing the CONT.CENT OSD C CONT.MAX circuits or replacing electrical parts or PCB assemblies. CUT OFF CONT.MIN H.POSI COL.CENT CAUTION H BLK L COL.MAX H BLK R COL.MIN Use an isolation transformer when performing any •...
  • Page 17 ELECTRICAL ADJUSTMENTS 2-5: BRIGHT CENT 2-7: TINT Receive the monoscope pattern. (RF Input) Receive the color bar pattern. (RF Input) Using the remote control, set the brightness and contrast to Using the remote control, set the brightness and contrast normal position. to normal position.
  • Page 18 ELECTRICAL ADJUSTMENTS horizontal line Notch 120% Shadow mask Fig. 2-3 white 100% Fig. 2-2 2-13: VERTICAL SIZE 2-9: HORIZONTAL POSITION Receive the monoscope pattern. Receive the monoscope pattern. Using the remote control, set the brightness and contrast Using the remote control, set the brightness and contrast to normal position.
  • Page 19 ELECTRICAL ADJUSTMENTS 2-17: OSD POSITION Receive the monoscope pattern from the Pattern Generator. Using the remote control, set the brightness and contrast to normal position. Activate the adjustment mode display of Fig. 1-1 and press the channel button (00) on the remote control to select "OSD H".
  • Page 20: 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 21 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 J703 J708 J704 J701 FB401 CP401 TP003 VR401 W002 VR502 DIGITAL PCB CP851A CP802A CP502 CP501 CP701 OS101...
  • Page 22 MICON/CHROMA BLOCK DIAGRAM Q852, Q583 Q854 Q855 ~ Q859 CHROMA IC BUFFER BUFFER IC601 LA76327M-A-MPB-E VM COIL Q604 VM_OSD SW VM_COIL 35 XTAL 3.58 X601 FB401 J801 Q803, Q812 3.579545MHz B OUT BLUE AMP VIDEO VIDEO IN2 Q802, Q811 J753 GREEN AMP G OUT V801...
  • Page 23: Sd Digital Module

    SD DIGITAL MODULE BLOCK DIAGRAM X2401 24.567MHz 16Mbit MOR FLASH IC2408 SST39VF1681-70-4C-EKE RESET +3.3V SD_DTV ASIC I2C1_CLK IC2401 I2C1_DATA ZR39640BGCG-B1 F/E_RESET TS_DATA TS_CLK TS_FRAME +2.6V TS_DVALID 8VSB/QAM/BTSC DEMOD. IC2402 ADATA CAS-220/CS BCLK +3.3V AUDIO DAC 94 93 IC2501 CS4345-CZZ 10 7 OPE AMP IC2502 NJM4580V(TE1)
  • Page 24: Printed Circuit Boards Tv Mt

    PRINTED CIRCUIT BOARDS TV MT (INSERTED PARTS) SOLDER SIDE CP801A D411 D404 CP101 B402 C427_1 J702 J701 J704 J708 J703 R408 W859 D405 B401 W049 W183 L403 R411 CME077A D409 R441 W177 Q003 R430 C715 HS002 C442 HS001 C425 FB401_2 IC005 W176 IC004...
  • Page 25 PRINTED CIRCUIT BOARDS TV MT (CHIP MOUNTED PARTS) SOLDER SIDE Q105 R127 R125 R176 R139 IC199 R137 Q102 R115 Q107 R150 R136 R624 R138 R104 Q101 R102 R107 R108 R110 R109 R128 R169 R155 R168 IC102 R126 R638 Q510 Q605 Q601 Q103 Q506...
  • Page 26 PRINTED CIRCUIT BOARDS DIGITAL (TOP SIDE) FRONT JACK SOLDER SIDE SOLDER SIDE CEE139B C2489 C2487 X2401 C2410 TP806 NR2408 L801_1 C2490 S801X R808 C2488 C2411 Q810 TP804 W822 W808 R804 C2493 C2492 R2494 S801Y W821 C813_1 C2515 R2509 IC2401 TP805 R806 R812 W890...
  • Page 27 MICON SCHEMATIC DIAGRAM (TV MT PCB) C101 0.01 B C139 C104 CP102 D112 A2001WV2-7P EEP ROM IC 128K IC MTZJ5.6B-EIC W842 EEP_SCL IC199 AT24C128N-10SU-1.8 SCL_EEP D113 W860 EEP_SDA SDA_EEP W843 IIC_OFF IIC_OFF MTZJ5.6B-EIC D114 TEST SDA1 SDA2 SCL1 MTZJ5.6B-EIC SCL2 FROM/TO AV SW/SOUND AMP/TONE CTL NC NC NC NC...
  • Page 28 (TV MT PCB) CHROMA/IF SCHEMATIC DIAGRAM TU P 5V_SW Q611 FROM POWER KTC3209_Y S817X R631 UN_REG.6V 1.8 1/4W UN_REG.12V P.CON+5V_SW Q609 KTC3209_Y P.CON+5V_SW C638 Q608 KTC3209_Y R651 R650 R657 R658 UN_REG.12V R625 R632 FROM/TO AV SW/SOUND AMP/TONE CTL R623 1/4W 1/4W R647 R659...
  • Page 29 DEFLECTION SCHEMATIC DIAGRAM (TV MT PCB) FROM/TO DY V.DRIVE IC401 LA7847-E CP401 V801 Pump up B06B-DVS-L_(LF) A80ERF182X19L L402_1 311015008 25.9 25.3 15.7 R439 R407 S817Y 5.6K C425 0.001 TO CRT/SVM FB401_2 FUH32F001 CD852 (CP852) CD803 (CP803) CH232006 CH823004 E180 CD401 CH466001 R414 R417...
  • Page 30 POWER SCHEMATIC DIAGRAM (TV MT PCB) D516 RELAY DRIVE R515 Q504 10.9 1SS133 KTC3198 10K 1/4W S818X C516 RY501 0.001 B G5PA-1-SA(WEC) TO AV SW/SOUND AMP/TONE CTL D505 W836 SOUND+B 21DQ09N D538 P.CON+9V DEGAUSS COIL R501 F502 L503 21DQ09N-FC4 CP502 8R320007 1 7W 20N_7000FSW...
  • Page 31 TUNER SCHEMATIC DIAGRAM (TV MT PCB) DIGITAL/ANALOG TUNER W/NTSC_MPX TU001 ENG36A49KF TO CHROMA/IF 31.4 W844 A_TUNER_CVBS C004 C001 L004 C002 L003 22uH 0305 6.3V L001 100uH 0305 C024 C007 22uH 0305 0.01 C040 R019 R022 IF AMP Q005 Q009 2SC3841 390K 4.7K R031...
  • Page 32 AV SW/SOUND AMP/TONE CTL SCHEMATIC DIAGRAM (TV MT PCB) R1014 YUV_IN(REAR) R1015 J704 MSP-213V1-652_NI_LF V_IN SOUND AMP IC IC1001 AN17822A U_IN FROM/TO CHROMA/IF Y_IN P.CON+5V VIDEO_IN1 VIDEO_IN2 S_VIDEO_IN[Y] AV2 AUDIO IN/COX OUT S_VIDEO_IN[C] J708 MSP-213V2-732_NI_LF P.CON+8V C1003 AT+5V C727 R734 AUDIO_YUV[R] C1001 C724...
  • Page 33 COMB/FILTER SCHEMATIC DIAGRAM (TV MT PCB) FROM TUNER D_Y_OUT D_C_OUT DIGITAL_H L1511 15uH 0305 BUFFER Q1508 KTC3875S_Y_RTK C1535 L1505 15uH 0305 R1502 3.3K R1512 BUFFER Q1503 C1513 KTC3875S_Y_RTK 0.1 B W875 FROM/TO CHROMA COMB FILTER IC IC1501 LA76605M-TLM-E COMB_Y C1529 COUT COMB_C 0.1 B...
  • Page 34 ASIC SCHEMATIC DIAGRAM (DIGITAL PCB) ASIC/CLEAR CABLE ASIC IC IC2401 ZR39640BGCG-B1 (1/8 VDD&GND) ATSC/CLEAR CABLE ASIC IC IC2401 ZR39640BGCG-B1 (3/8 I/F) C2412 10 C FOR IR RECEIVER C2413 0.1 B IVDD JG2401 C2414 0.1 B IVDD JG2409 C2415 0.1 B JG2410 IVDD C2416...
  • Page 35 SDRAM SCHEMATIC DIAGRAM (DIGITAL PCB) IC2401 ZR39640BGCG-B1 (4/8 DDR SDRAM) DDRDQ3 SDATA0 DDRA2 R2432 DDRDQ4 SADR2 SDATA1 R2433 DDRA3 DDRDQ1 SADR3 SDATA2 DDRDQ2 NR2410 SDATA3 4D02WGJ0220TCE DDRA5 DDRDQ6 SADR5 SDATA4 DDRCKE SCKE 256Mbit DDR SDRAM IC DDRA7 DDRDQ0 SADR7 SDATA5 IC2404 HY5DU561622DTP-D43 DDRA9...
  • Page 36 FLASH SCHEMATIC DIAGRAM (DIGITAL PCB) ATSC/CLEAR CABLE ASIC IC IC2401 ZR39640BGCG-B1 (5/8 FLASH MEMORY) GDAT15 JG2411 GDAT14 JG2412 GDAT13 GDAT13 GDAT12 GDAT12 16Mbit(x8) NOR FLASH Firm wrote IC GDAT11 GDAT11 IC2408 SST39VF1681-70-4C-EKE GDAT10 GDAT10 GDAT8 GDAT9 GDAT9 GDAT9 GADR15 GDAT8 GDAT8 GADR14 GDAT7...
  • Page 37 FRONT END SCHEMATIC DIAGRAM (DIGITAL PCB) C2401 R2471 0.1 B FROM AV OUT C2552 R2442 IF_OUT1_P 0.01 B C2555 R2443 IF_OUT2_N 0.01 B B2408 C2505 FCM1608KF-151T06 C2503 C2479 56P CH 100P CH C2504 L2402 C2508 0.1 B 0.22uH C2513 R2508 C2509 0.1 B C2514...
  • Page 38 AV OUT SCHEMATIC DIAGRAM (DIGITAL PCB) POWER_GND B3404 HCB3216KF-601T20 B3402 +2.6V HCB3216KF-601T20 B3405 ASIC+1.8V B3403 HCB3216KF-601T20 +3.3V FCM1608KF-151T06 B2405 FCM1608KF-151T06 CLOSE TO CP2403 FROM/TO FRONT END ATSC/CLEAR CABLE ASIC IC IC2401 ZR39640BGCG-B1 (7/8 COMPONENT VIDEO) F/E+1.8V IF_OUT1_P IF_OUT2_N AVID_PR IF_AGC ADATA_DEMOD TU_CLK L2404...
  • Page 39 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 KTC4217 220 1/4W D801 FROM CHROMA/IF SVM BLOCK 1SS133 (CP802A) CP802B R855 A2001WV2-7P RED AMP Q810 P.CON+8V W808 330 1/2W W820 KTC3199_Y GND(SIGNAL)
  • Page 40 AV JACK SCHEMATIC DIAGRAM (FRONT JACK PCB) FROM AV SW/SOUND AMP/TONE CTK CD701 (CP701) CH242001 W805 VIDEO VIDEO AUDIO_R J753 AV1-06AD-3 AUDIO_L W801 W804 AUDIO_L J752 AV1-06AD-4 W802 W803 AUDIO_R J751 AV1-06ADS-2 PCB260 NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED CED038 OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE...
  • Page 41: Micon

    WAVEFORMS DEFLECTION POWER ON 20µs 10µs 200mV 10.0V AV SW/SOUND AMP/TONE CTL 20µs 20µs 20µs 200mV CHROMA/IF DEFLECTION 10µs 10ms 20µs 200mV 0.5V MICON 2µs 50µs 50µs 20µs 0.1ms 20µs NOTE: The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram.
  • Page 42: Crt/Svm

    WAVEFORMS DEFLECTION 50µs 200V AV SW/SOUND AMP/TONE CTL 20µs 200mV CRT/SVM 20µs 20µs 20µs NOTE: The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram.
  • Page 43: Mechanical Exploded View

    MECHANICAL EXPLODED VIEW PCB110 (CRT PCB ASS'Y) PCBDH0 (DIGITAL PCB ASS'Y) PCB070 (MAIN PCB ASS'Y) PCB280 (STEREO JACK PCB ASS'Y) 101D 101J 101I 101I 101H 101C 101B 101K 101F 101G 101E 101A...
  • Page 44 MECHANICAL EXPLODED VIEW (PACKING DIAGRAM) 119, 120, 121, TM101...
  • Page 45: Mechanical Replacement Parts List

    MECHANICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description 72783578 7A7010183A FRONT CABI ASS'Y 101A 72783557 701WPJ1413 CABINET FRONT 101B 72783576 712WPJ0952 DOOR 101C 72783608 711WPAA129 PLATE,FRONT 101D 72799469 713WPA0364 GUIDE,REMOCON 101E 72783550 723000D252 AV LABEL 101F 72799568 7230007791 SHEET,BUTTON 101G...
  • Page 46: Electrical Replacement Parts List

    ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description RESISTORS ! R002 72794621 R3X28B010J R,METAL OXIDE OHM 3W ! R004 72794621 R3X28B010J R,METAL OXIDE OHM 3W ! R007 72794621 R3X28B010J R,METAL OXIDE OHM 3W ! R408 72794614 R65582010J R,FUSE OHM 1/2W ! R410...
  • Page 47 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description DIODES D104 72794491 D1VT001330 DIODE,SILICON 1SS133T-77 D105 72783213 D9WU03R92B DIODE,ZENER MTZJ3.9B-EIC D106 72783214 D9WU05R62B DIODE,ZENER MTZJ5.6B-EIC D109 72795529 0021721150 SLR-342VCT32 D110 72795627 D2WXSB1400 DIODE,SCHOTTKY SB140-EIC D111 72795627 D2WXSB1400 DIODE,SCHOTTKY SB140-EIC D112 72783214...
  • Page 48 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description DIODES D858 72796388 D28T0ERB20 DIODE,RECTIFIER 10ERB20-TA1B2 IC001 72783369 I55J07W660 TC7W66FU(TE12L,F) ! IC002 72781440 I07F0C0WF0 BA00BC0WFP-E2 ! IC003 72781440 I07F0C0WF0 BA00BC0WFP-E2 ! IC004 72783370 I0GA9VK020 PQ070VK02FZH ! IC005 72783370 I0GA9VK020 PQ070VK02FZH IC101 75002788...
  • Page 49 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description TRANSISTORS Q853 72794575 TCUT00752Y TRANSISTOR,SILICON 2SC752(G)(TM)_Y Q854 72794577 TCATC31980 TRANSISTOR,SILICON KTC3198-AT(Y,GR) Q855 72794577 TCATC31980 TRANSISTOR,SILICON KTC3198-AT(Y,GR) Q856 72794577 TCATC31980 TRANSISTOR,SILICON KTC3198-AT(Y,GR) Q857 72794578 TAATA12660 TRANSISTOR,SILICON KTA1266-AT(Y,GR) Q858 72794579 TA10021400 TRANSISTOR,SILICON 2SA2140 Q859...
  • Page 50 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description MISCELLANEOUS B852 72794357 024HT03553 CORE,BEADS W5RH3.5X5X1.0 B853 72794357 024HT03553 CORE,BEADS W5RH3.5X5X1.0 B1501 72798929 024AC5102F CORE,BEADS BLM18BD102SN1D B2402 72783357 024HC51513 CORE,BEADS FCM1608KF-151T06 B2403 72783357 024HC51513 CORE,BEADS FCM1608KF-151T06 B2404 72783357 024HC51513 CORE,BEADS FCM1608KF-151T06 B2405...
  • Page 51 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description NR2410 72783385 110P4220M6 R,NETWORK 4D02WGJ0220TCE NR2411 72783385 110P4220M6 R,NETWORK 4D02WGJ0220TCE OS101 72794541 0773071001 REMOTE RECEIVER RPM7138-WH5 ! RY501 72794686 0560X20118 RELAY G5PA-1-SA(WEC) ! SP1001 72783620 070W457011 SPEAKER MSF-2D5D10WD-L(880S1050L) ! TH501 72795546 DF5EL3R0A0 DEGAUSS ELEMENT...
  • Page 52 TOSHIBA CORPORATION 1-1, SHIBAURA 1-CHOME, MINATO-KU, TOKYO 105-8001, JAPAN...