Toshiba 50L3400U series Service Manual

Toshiba 50L3400U series Service Manual

Lcd color television
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SERVICE MANUAL
LCD Color Television
50L3400U/UM/UC series

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Summary of Contents for Toshiba 50L3400U series

  • Page 1 SERVICE MANUAL LCD Color Television 50L3400U/UM/UC series...
  • Page 2 CONTENTS 1. IMPORTANT NOTICE 2. GREEN PRODUCT PROCUREMENT 3. LEAD-FREE SOLDER 4. SAFETY INSTRUCTION 5. FIRMWARE UPDATING 6. INTERCONNECT 7. EXPLODED VIEW 8. FACTORY MODE...
  • Page 3 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 4 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 5 (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 6 (2/3) which use high voltage. Always follow the manufactured wiring routes / dressings. 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 7 (3/3) Product Safety Notice Many electrical and mechanical parts in this chassis have special safety-related characteristics. These characteristics are often passed unnoticed by a visual inspection and the protection afforded by them cannot necessarily be obtained by using replacement components rated for higher voltage, wattage, etc. Replacement parts which have these special safety characteristics are identified in this manual and its supplements;...
  • Page 8 1) Power the TV “On” and wait for the TOSHIBA logo to appear as shown in Figure 1. Wait until the picture is displayed on the screen.
  • Page 9 2) Insert the USB Flash Drive into the USB Port 1 of the TV. This port is located on the side of the TV receiver as shown in Figure 2. Figure 2 3) After the following message appears, select “Yes” with Left/Right key, and push “OK” key to start FW upgrade. Shown in Figure 3 below.
  • Page 10 4) Next, the following message appears to enable users to select their preferred behavior after the SW upgrade is complete. If you want the TV to reboot automatically after FW upgrade, select “Yes”. If you want the TV to go to standby after the SW update, select “No”.
  • Page 11 Figure 7 8) Remove the USB Flash Drive from the TV. 9) The firmware update procedure is now complete. TOSHIBA AMERICA INFORMATION SYSTEMS INC 9740 Irvine Blvd. Irvine, CA. 92618 http://support.toshiba.com  2013 Toshiba America Information Systems Inc. Firmware Update 2014...
  • Page 12 Wiring Diagram Panel module P803 LED/IR board 1 RXE4+ 1 LED2+ 1 3.3V_Standby 1 3.3V_Standby 2 RXE4- 2 LED1+ 2 IRR 2 IRR 3 RXE3+ 3 LED3+ 3 GND 3 GND 4 RXE3- 4 LED4+ 4 MI2C-SCL 4 MI2C-SCL 5 RXEC+ 5 NC 5 MI2C-SDA 5 MI2C-SDA...
  • Page 13 FACTORY MODE Entering into factory Mode: In tuner mode, press “◄” key, next press “EXIT” key, then press “ENTER” key on the remote control to enter factory mode. Timer Clear: Reset the timer which records hours of LCD panel burn in.
  • Page 14 Exploded View 50L3400U/50L3400UC/50L3400UM Compal Toshiba Location Component Service Description Part Part E260 454C4Z51L01 75037556 PC BOARD ASSY, IR/B E200 461C7751L01 75038342 PC BOARD ASSY, MAIN E300 75037577 LCD PANEL, V500HJ1-ME1 E330 CG100800Y0I 75037561 SPEAKER E272 DC02A00720I 75037892 H-CON SET, MB-SPK...
  • Page 15 SET ID and PANEL ID Panel ID in Global Serial No. Total digits SET ID SERIAL Panel ID Max 14 ****** 3 digits 3 digits 2 digits 6 digits (A00001-Z99999) Y: Year 2008 WK: Week WK01 2009 WK02 2010 WK03 2011 WK04 2012...
  • Page 16 REV. 04 05_13_2014...

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