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Toshiba 40L3443DG Service Manual

Lcd color television
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SERVICE MANUAL
LCD Color Television
40L3443DG
(Model Information)

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Summary of Contents for Toshiba 40L3443DG

  • Page 1 SERVICE MANUAL LCD Color Television 40L3443DG (Model Information)
  • Page 2 Exploded View of 40L3443DG...
  • Page 4 Parts List: 40L3443DG Vestel Service Description Part # Code 23167494 PC BOARD ASSY, MAIN, 40L3443DG, 23167494 75038638 F-bezel 23144821 FRONT BEZEL ASSY, 23144821 75036609 cosmatic Lens 40057270 LENS, LED, 40L1333DG, 40057270 75037278 B-cover 23180599 BACK COVER ASSY, 40L3433DG, 23180599 75038547...
  • Page 5 When the panel version is updated within the same panel vendor, the last digit will be incremented by 1. Model/Panel Information Vestel Model ID DVD Module Panel Model Panel ID Main PCB Product (SET ID) Code BONDEDCELL 40L3443DG 75038638 40FHD50 SAM 10088605 LSC400HM06-MB7...
  • Page 6 REV. 00 May/26/2014...
  • Page 7 FILE NO. 050-2014046 REVISED:02 SERVICE MANUAL LCD Color Television 40L3443DG (System Information)
  • Page 8 REVISION HISTORY REV Date Reason for Change Jun/13/2014 Replacement for Main Schematic with correct ones May/15/2015 - Correction of Step 3 in "FIRMWARE UPDATING"...

  • Page 9: Table Of Contents

    CONTENTS 1. IMPORTANT NOTICE 2. GREEN PRODUCT PROCUREMENT 3. LEAD-FREE SOLDER 4. SAFETY INSTRUCTION 5. FIRMWARE UPDATING 6. INTERCONNECT 7. EXPLODED VIEW 8. HOTEL MODE / HOTEL CLONE 9. SCHEMATIC DIAGRAM...

  • Page 10: Important Notice

    WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED WARRANTY OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. Toshiba shall not be liable for any damages, losses, expenses or costs, if any, incurred in connection with or as a result of use of any information or data provided...

  • Page 11: 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 12: Safety Instruction

    (1 / 3) SAFETY INSTRUCTION WARNING: BEFORE SERVICING THIS CHASSIS, READ THE "SAFETY PRECAUTION" AND "PRODUCT SAFETY NOTICE" INSTRUCTIONS BELOW. Safety Precaution WARNING: SERVICING SHOULD NOT BE ATTEMPTED BY ANYONE UNFAMILIAR WITH THE NECESSARY PRECAUTIONS ON THIS RECEIVER. THE FOLLOWING ARE THE NECESSARY PRECAUTIONS TO BE OBSERVED BEFORE SERVICING THIS CHASSIS.
  • Page 13 (2 / 3) 8. Always ensure that all internal wirings are in accordance before re-assembling the external casing after a repairing completed. Do not allow internal wiring to be pinched by cabinets, panels, etc. Any error in reassembly or wiring can result in electrical leakage, flame, etc., and may be hazardous.
  • Page 14 (3 / 3) sinusoidal waveforms. The measuring instrument is calibrated by comparing the frequency factor of with the solid line in figure F.2 of IEC 60990 at various frequencies. A calibration curve is constructed showing the deviation of from the ideal curve as a function of frequency.

  • Page 15: Firmware Updating

    FIRMWARE UPDATING PROCEDURE Analog - Digital SW update via USB 1. Please copy the files to USB device (root).  Mb9x_en.bin  mboot.bin  usb_auto_update.txt 2. Turn power to OFF by mechanical switch or removing AC plug and plug the USB to TV 3.
  • Page 16 Wiring Diagram PANEL LED-IR BOARD 1 GND 2 LED 2 3 LED 1 4 IR_IN 5 5V_STBY CN11 CN501 1 NC 1 GND 1 PIN1 1 V_Led 2 NC 2 GND 2 GND 2 LED1_S 3 NC 3 3V3_VCC 3 STBY 3 LED2_S 4 NC 4 3V3_VCC...

  • Page 17: Exploded View

    Exploded View...
  • Page 19 Parts List F-bezel cosmatic Lens B-cover Lens IR/B Button Board LVDS Stand Assy P cord Carton Side IO bezel Foot Screw Cover Gromet back CVR.Screw Panel...

  • Page 20: Hotel Mode/Hotel Clone

    HOTEL MODE/HOTEL CLONE HOTEL TV MENU: To enter hotel menu, please open main menu by pressing MENU(M) button. When you code following password "7935", hidden hotel TV menu appears as below: Figure: Hotel TV Menu Hotel Mode Setting "Hotel Mode" item 'On' activates hotel mode. In other words user can do only what he/she is allowed to do.
  • Page 21 Enables (Fixed Volume Enable = On) or prohibits (Fixed Volume Enable = Off) the use of fixed volume value which is set by menu item "Fixed Volume Value". If Fixed Volume Enable is ON, volume cannot be set to a value other than the Fixed Volume Value. Fixed Volume Value Sets the fixed value the volume can have.
  • Page 22 Main menu: Installation, Channel list Settings menu: Language, parental, Sources, Other settings Startup Position Specifies the starting channel when TV is switched ON. May take one of following values: AUTO (Last channel when TV is turned off) TV (TV channel number 1) Other enabled external sources via service menu or config tool (EXT1, HDMI2, PC, FAV, SVHS etc.) Teletext...
  • Page 23 HDMI0_5V HDMI0_RX0N RXA0N HDMI0_RX2P HDMI0_HPDIN HDMI0_RX0P RXA0P RXC0N HDMI0_RX1N RXA1N RXC0P HDMI2_RX2P HDMI0_RX1P HDMI0_RX2N RXA1P RXC1N R141 HDMI0_RX1P HDMI0_RX2N RXA2N RXC1P HDMI2_RX2N HDMI0_RX2P RXA2P RXC2N HDMI2_RX1P HDMI0_CLKN R112 HDMI0_RX1N RXACKN RXC2P R158 HDMI0_CLKP HDMI0_RX0P RXACKP RXCCKN HDMI2_RX1N BC848B HDMI0_SCL DDCDA_CK HDMI / USB RXCCKP HDMI2_RX0P...
  • Page 24 1V5_VCC 1V5_VCC C257 C258 C259 C260 C261 C262 C264 C265 C266 C268 DDR0_VREFCA DDR1_VREFDQ 100nF 100nF 100nF 100nF 100nF 100nF 100nF 100nF 100nF 100nF R410 R408 1V5_VCC 1V5_DDR0 C213 C248 C249 C250 C251 C252 C253 C254 C255 C256 10uF 100nF 100nF 100nF 100nF...
  • Page 25 Place these resistors close to MSTAR NAND_ALE NF_ALE PCM_D[0]/NF_AD[0] PCMNANDD0 100nF AD22 NC29 NAND_WPZ NF_WPZ PCM_D[1]/NF_AD[1] PCMNANDD1 AB21 NAND_CEZ NF_CEZ PCM_D[2]/NF_AD[2] PCMNANDD2 CN10 AC21 AE17 NC28 NAND_CLE NF_CLE PCM_D[3]/NF_AD[3] PCMNANDD3 AC18 NAND_REZ NF_REZ PCM_D[4]/NF_AD[4] PCMNANDD4 ETH_TXP AE18 NC27 NAND_WEZ NF_WEZ PCM_D[5]/NF_AD[5] PCMNANDD5 AA19...
  • Page 26 C109 220nH DIGITAL_IF_P IF_P_T2 C566 C113 100nF C108 RF_IN_P DIGITAL_IF_N IF_N_T2 47pF 120pF JK11 100nF RF_IN_N 3V3_VCC IF_AGC_T2 30067048 R333 220nH R797 IF_AGC I2C Address**pin49 High : D2 R307 S100 Low : F2 IF_AGC D_IF_AGC 100R 24 MHz CRYSTAL 27MHz FLASH_WP_T2 3V3_VCC GPIO[0]...
  • Page 27 LDO1 30069495 AP2111 ??? 3V3_VCC TP72 3V3_VCC LM1117 3V3_STBY 24V_VCC_AU 3V3_STBY 5V_STBY DC/DC1 R822 VOUT C119 3V3_STBY 12V_STBY 12V_STBY 100nF 560R 4n7F 4n7F 5V_VCC 5V_VCC 4n7F DC/DC3 C475 C472 12V_STBY 5V_STBY R394 R644 100k 120k C1207 4n7F DIMMING BACKLIGHT_ON/OFF S33 C1208 STBY_ON/OFF C1187...
  • Page 28 OPTIONS TABLE PANEL SUPPLY SWITCH FHD 50Hz 3D FFC 3D_EN C140 R239 3V3_VCC 100uF PANEL_VCC OP_PIN5 12V_VCC PANEL_VCC R236 PANEL_VCC OP_PIN6 5V_VCC PANEL_VCC R235 PANEL_VCC OP_PIN7 3V3_VCC R175 LG BASED 30070519 MEGA_DCR_IN R221 PANEL_VCC OP_PIN8 PANEL_VCC BC848B OP_PIN9 MEGA_DCR_OUT R220 C141 PANEL_VCC_ON/OFF BC848B...
  • Page 29 I2C Address**pin VDD_DIG=High VDDI_1V25 VDDO_3V3 VDDI_1V25 I2C Address**ADDR_SEL pins Write : C0H C395 Write : D0H Read : C1H 3V3_VCC VDDO_3V3 22uF Read : D1H VDDI_1V25 C396 22uF 27pF 3V3_VCC S2_TUN_3V3 VDDA_3V3 27pF 27MHz C334 C336 1V26_VCC VDDI_1V25 10nF 16V R705 10nF 470R...
  • Page 30 TP93 DSP_MAIN_L_OUT MAIN_L HP_L CLOSE TO MSTAR IC MSD8WB9BX C453 TP94 C1200 LINEIN_L0 3n3F R653 AA12 LINEIN_R0 DSP_SC_L_OUT SC_L_OUT HP_R AA11 LINEIN_L2 C548 AB11 C586 LINEIN_R2 C1226 C1227 C587 SC_AUD_L_IN LINEIN_L3 DSP_MAIN_R_OUT MAIN_R 10nF 10nF TP95 C591 LINEIN_R3 SC_AUD_R_IN 2u2F C590 LINEIN_L4 SAV_L_IN...
  • Page 31 3V3_VCC VDD33 C444 C445 10uF 10uF 100nF 100nF 3V3_VCC AVDD_LPLL 100nF 100nF VDDC C1203 3V3_VCC AVDD_MOD VDDC 2V5_VCC 100nF 1V5_VCC AVDD_DDR0 C400 3V3_STBY AVDD_DVI 3V3_STBY AVDD_DMPLL C446 C443 22uF 10uF 100nF 100nF 100nF 100nF 100nF 100nF 10uF 100nF 100nF 100nF 220uF 2V5_VCC AVDD25_PGA...
  • Page 32 INDIA OPTION SC_CVBS_IN R419 5V_VCC SCART 1 12V_VCC 220R C854 TP43 SCART_AUD_L_IN 10uF VGA INPUT C383 100nF SCART_AUD_R_IN VGA_DDC_5V 33pF BC858B 24C02 option 33pF C211 TP63 R688 CVBS0_OUT R693 SC_CVBS_IN 100R BC848B TP26 C385 10uF SC_CVBS_OUT R416 ST24LC21 TP25 SC_CVBS_OUT 100R R794 33pF...
  • Page 33 S119 C127 D105 D103 R110 R115 R117 R118 R131 C131 C548 +400V R126 1N4148 1N4148 C126 R124 Q101 R114 100p 100R C112 C116 FQT1N60C R100 100R 1N4148 C130 C133 1 INV 100p 100p 100p C129 U101 R130 D111 CN101 RL100 S111 R116 COMP...
  • Page 34 D507 F506 R330 R324 C306 UF5402 +24-80V_DC L300 C543 D303 +24-80V +24-80V R339 R332 1 GND GATE GATE_S HER207 +24-80V_AC AUDIO_VCC_S FB_S U300 F507 UF5402 C318 C317 C304 C537 C316 R301 R341 630V S539 100k 100k D516 D306 SG6742HR R304 R305 R313 R303...
  • Page 35 100R 100n 100n 100n TOSHIBA 32220 D LED BMS 17ld150-r2 SCH NAME : T. SHT: <YOUR NAME HERE> DRAWN BY : 04-01-2013_09:40 A X M...
  • Page 36 TOSHIBA LIFESTYLE PRODUCTS & SERVICES CORPORATION 2-9, Suehiro-Cho, Ome-Shi, Tokyo 198-8710, Japan REV. 02 May/15/2015...