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Toshiba 48L1433DG Service Manual

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SERVICE MANUAL
LCD Color Television
48L1433DG
48L1433DB
(System Information)
REVISED:01

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  Summary of Contents for Toshiba 48L1433DG

  • Page 1 REVISED:01 SERVICE MANUAL LCD Color Television 48L1433DG 48L1433DB (System Information)
  • Page 2: Revision History

    REVISION HISTORY REV Date Reason for Change Jun/13/2014 Supplement of deficient page for Power Schematic...
  • Page 3: 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 4: 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 5: 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 6: 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 7 (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 8 (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 9: Firmware Updating

    2. Turn power to OFF by mechanical switch or removing AC plug and plug the USB to TV 3. Keep pressing and holding “OK” key from Toshiba remote controller and at the same time turn power to ON by mechanical SW and hold OK pressed until the standby led blinks very rapidly. Bul led blink time is longer than MB6X chassis 4.
  • Page 10 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 11: Exploded View

    Exploded View...
  • Page 12 48L1433DG 48L1433DB...
  • Page 13: Parts List

    Parts List F-bezel B-cover Lens Lens Cosmatic IR/B Button Board LVDS Stand Assy P cord Side IO bezel Foot Screw Cover Gromet Carton box Panel...
  • Page 14: 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 15: Panel Lock

    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 16 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 17 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 18 1V5_VCC 1V5_VCC C257 C258 C259 C260 C261 C262 C264 C265 C266 C268 DDR0_VREFCA DDR1_VREFDQ 100n 100n 100n 100n 100n 100n 100n 100n 100n 100n R410 R408 1V5_VCC 1V5_DDR0 C213 C248 C249 C250 C251 C252 C253 C254 C255 C256 100n 100n 100n 100n 100n...
  • Page 19 Place these resistors close to MSTAR NAND_ALE NF_ALE PCM_D[0]/NF_AD[0] PCMNANDD0 100n 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 20 220n C566 C113 RF_IN_P 120p JK11 USB & WIFI RF_IN_N 3V3_VCC 30067048 R333 TP96 220n R797 IF_AGC TP91 6 IO4 R307 USB2_DP S100 IF_AGC D_IF_AGC 100R TP92 24 MHz CRYSTAL 27MHz USB1_VCC 330R C143 USB1_VCC AZ099-04S R311 CN17 USB2_DN Close To Concept IC C lose To SI2156 R309 USB1_DN R310...
  • Page 21 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 100n 560R 5V_VCC 5V_VCC DC/DC3 C475 C472 12V_STBY 5V_STBY R394 R644 100k 120k C1207 DIMMING BACKLIGHT_ON/OFF S33 C1208 STBY_ON/OFF C1187 C460 power_pin3 VIN1 power_pin1...
  • Page 22 OPTIONS TABLE PANEL SUPPLY SWITCH FHD 50Hz 3D FFC 3D_EN C140 R239 3V3_VCC 100u 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 23 TP93 DSP_MAIN_L_OUT MAIN_L HP_L CLOSE TO MSTAR IC MSD8WB9BX C453 TP94 C1200 LINEIN_L0 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 TP95 C591 LINEIN_R3 SC_AUD_R_IN C590 LINEIN_L4 SAV_L_IN C454 SAV_R_IN LINEIN_R4 AA10...
  • Page 24 3V3_VCC VDD33 C444 C445 100n 100n 3V3_VCC AVDD_LPLL 100n 100n VDDC C1203 3V3_VCC AVDD_MOD VDDC 2V5_VCC 100n 1V5_VCC AVDD_DDR0 C400 3V3_STBY AVDD_DVI 3V3_STBY AVDD_DMPLL C446 C443 100n 100n 100n 100n 100n 100n 100n 100n 100n 220u 2V5_VCC AVDD25_PGA 2V5_VCC AVDD25_REF 100n 100n AVDD_DDR0...
  • Page 25 INDIA OPTION SC_CVBS_IN R419 5V_VCC SCART 1 12V_VCC 220R C854 TP43 SCART_AUD_L_IN VGA INPUT C383 100n SCART_AUD_R_IN VGA_DDC_5V BC858B 24C02 option C211 TP63 R688 CVBS0_OUT R693 SC_CVBS_IN 100R BC848B TP26 C385 SC_CVBS_OUT R416 ST24LC21 TP25 SC_CVBS_OUT 100R R794 C809 R531 C386 SC_FB R237...
  • Page 26 TR100 PFC TRANSFORMER OPTION TR101 V_11 S119 C131 R126 C127 R115 R117 R118 R131 R125 +400V V_10 C126 R124 Q101 R150 100p 100R FQT1N60C D105 D103 R110 100R C129 1N4148 C130 C133 100p 100p U101 1N4148 1N4148 R114 100p R130 D111 100R COMP...
  • Page 27 OPT. EFD43_80V-100W C2591 C2592 R386 R377 +400V TR301 R388 R387 R397 R389 R381 DRAIN_S D370 C547 +24-80V_AC R391 R382 D352 R559 47p 2kV C399 C398 HER207 R392 R383 D507 RS1002FL Optional Optional R399 R398 R393 R384 UF5402 C370 AUX_S AUX_S D303 C306 U300...
  • Page 28 D503 LED1_S LED DRIVER SINK MOSFET OPT. L500 R565 LED4_S SB5100 20mm optional +24-80V F511 50R 100R F500 D504 F512 Q510 Q511 C502 SB5100 C2582 C2583 VCC_LED VCC_LED C507 R508 L501 F501 560u 560u R560 R561 270R 150u F502 F503 D501 V_LED+ 100R...
  • Page 29 100R 100n 100n 100n xx295 LED BMS TOSHIBA 17ld159-r1 SCH NAME : T. SHT: <YOUR NAME HERE> DRAWN BY : 21-06-2013_11:06 A X M...
  • Page 30 REV. 01 Jun/13/2014...

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