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Toshiba 40RF350U Service Manual

Lcd color television
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SERVICE MANUAL
For Technical Bulletins, Technical Tips, or other information regarding the
service of this model, visit the Toshiba America Consumer Products National
Service Division website at:
This model is classified as a
This Service Manual describes replacement parts for the green product. When repairing this
green product, use the part(s) described in this manual and
For (*1) and (*2), refer to
SOLDER.
© TOSHIBA CORPORATION 2009
LCD Color Television
40RF350U
www7.toshiba.com
green product
(*1), as indicated by the underlined serial number.
GREEN PRODUCT PROCUREMENT
Rev.1
lead-free solder
(*2).
and
LEAD-FREE

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Summary of Contents for Toshiba 40RF350U

  • Page 1 SERVICE MANUAL LCD Color Television 40RF350U Rev.1 For Technical Bulletins, Technical Tips, or other information regarding the service of this model, visit the Toshiba America Consumer Products National Service Division website at: www7.toshiba.com This model is classified as a green product (*1), as indicated by the underlined serial number.
  • Page 2 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 herein.
  • Page 3 that have these same characteristics. Use only the specified parts when the mark is indicated in the circuit diagram or parts list. Part mounting and wire routing should be the same as that used originally. For safety purposes, insulating materials such as isolation tubes or tape are sometimes used and printed circuit boards are sometimes mounted floating.
  • Page 4 fluid should contact the skin or clothing, wipe off with alcohol, etc., and rinse thoroughly with water. If the fluid should enter the eyes, immediately rinse the eyes thoroughly with running water. When attaching the LCD module to the LCD cover, position it appropriately and fasten at the position where the display can be viewed most conveniently.
  • Page 5 CMOS-LSI circuitry is used in the LCD module, so avoid damage due to static electricity. When handling the module, use a wrist ground or anchor ground. Do not expose the LCD module to direct sunlight or strong ultraviolet rays for extended periods. Do not store the LCD module below the temperature conditions described in the specifications.
  • Page 6 Entering Service Mode Set VOLUME to minimum and press MUTE button twice on the remote control. Press MUTE button again and hold button down. Service Mode display While holding the MUTE button, press MENU button on TV set. Selecting the Adjusting Item Every pressing of CH button in the service mode changes the adjustment items.

  • Page 7: Iic Bus Error

    LED Indication The Blue, Yellow, and Green LEDs on the TV (at the bottom center and right of the TV) indicate the TV’s status, as described below. RF350U Blue Yellow Green MODE POWER OFF POWER OFF (Standby POWER ON Quick Start Mode IIC BUS Error Slow Blink Power Protection Detection...
  • Page 8 U02A LOW-B U03D U01A POWER U03A U04A AV TERM U03B Digital FRONT- U03C U03E LED/IR-PATH ILLUMINATION...
  • Page 10 Analog Audio CN70 CN70 Selected to Seine CN71 CN71 VBR 0-3.3 To Display CN61 (7P) Analog Video 5V on to Seine © 2007 Toshiba America Consumer Products, LLC. SMART200706_20Q1.1.0 Page 2 of 8 SMART200706_Version LCD 2.0 Page 2 of 8...
  • Page 11 LED blink chart to help locate the Suspect the problem. system Suspect the control Low B supply (SYSCON) circuit. circuit. © 2007 Toshiba America Consumer Products, LLC. SMART200706_20Q1.1.0 Page 3 of 8 SMART200706_Version LCD 2.0 Page 3 of 8...

  • Page 12: Contact Technical Support

    Y, Cb, Cr Contact Technical signals at plug CN71. They will © 2007 Toshiba America Consumer Products, LLC. SMART200706_20Q1.1.0 Page 4 of 8 SMART200706_Version LCD 2.0 Page 4 of 8 Support.
  • Page 13 18 of P811 shortly after the unit is turned Contact Technical Support. Replace the Replace the Low B power SYSCON supply. section. © 2007 Toshiba America Consumer Products, LLC. SMART200706_20Q1.1.0 Page 5 of 8 SMART200706_Version LCD 2.0 Page 5 of 8...
  • Page 14 10 and 11 of Suspect the CN70. They will be missing AV/Tuner or distorted. module. SMART200706_Version LCD 2.0 Page 6 of 8 © 2007 Toshiba America Consumer Products, LLC. SMART200706_20Q1.1.0 Page 6 of 8...
  • Page 22 Stand Exploded View A425 A426 A427 A428 A429  ...

  • Page 23: Replacement Parts List

    Replacement Parts List Location Part No. Description A201 75008581 CHASSIS FRAME FRONT BEZEL ASSY, -NG- BEZEL ASSY A401 75008585 CESE/COVER/LID BACK COVER ASSY, BACK COVER ASSY A420 75008586 BASE STAND BASE ASSY, STAND BASE ASSY A425 75008587 LEG STAND FIX BRACKET, STAND FIX BRACKET A426 75008586 BASE STAND BASE ASSY, STAND BASE ASSY A429...
  • Page 24 TOSHIBA CORPORATION 1-1, SHIBAURA 1-CHOME, MINATO-KU, TOKYO 105-8001, JAPAN...