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Toshiba 47HL167 Service Manual
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Toshiba 47HL167 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
47HL167
www7.toshiba.com
green product
(*1), as indicated by the underlined serial number.
GREEN PRODUCT PROCUREMENT
Rev.1
lead-free solder
(*2).
LEAD-FREE
and

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Summary of Contents for Toshiba 47HL167

  • Page 1 SERVICE MANUAL LCD Color Television 47HL167 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: Led Indication

    LED Indication The yellow, blue and red/green LED lights on the TV (at the bottom center of the TV) indicate the TV's status, as described below: Note: If the TV loses A/C power (e.g., a power outage occurs or the power cord is unplugged), when power is restored, the yellow LED will blink while the TV is booting until the remote control is usable.
  • Page 8 Sound Missing Distorted Sound Missing or Distorted? Is Missing Digital Analog Digital Sound Analog Distorted Sound or Digital? Analog or Digital? Reconfirm proper operation of all Replace Analog analog audio Signal Processing sources. Section. Replace Digital Signal Processing Section, then suspect Analog.
  • Page 9 Picture Missing Distorted the Picture Missing or Distorted? Is the Is Distorted Digital Analog Digital Missing Picture Analog or Picture Analog or Digital? Digital? Replace Analog Signal Replace Digital Replace Digital Processing Section, then Signal Processing Signal suspect Digital. Section. Processing Section.
  • Page 10 Dead any LEDs Blinking on the front of the unit? Suspect Power Supply, Use Blink Codes to Low B Supply – Then help determine Suspect system Control problem area. (SYSCON). Questions or Statements in flow chart pertain to only the defined areas. It is assumed that all other inputs and functions operate correctly.
  • Page 11 Dead set – No sound or picture Does 3VDC appear at pin 3 of P806A when on-off is pressed? any problem LED indications 5VDC present at pin 1 exhibited after the of P806A when the unit power button is is plugged in? pressed? Suspect the Low B supply, then the main...
  • Page 12 Examples No or distorted Replace the video LCD display panel. Does the screen discolored the back light function or does it have streaks normally when the unit or dark areas with no is turned on? signal input? Is the on screen display normal? Using the Is the problem...
  • Page 13 Does the back light function and then turn off? Replace the LCD display. 24 VDC present at pins 1 and 5 of P804 when the unit is turned Replace the Main Power supply. 6VDC present at pin 8 of CN91A when the unit is turned on? 3.3 VDC present at pin 7 of P812A shortly...
  • Page 14 No or distorted Audio Digital Analog problem associated with analog or digital inputs? Using Using the power the power distribution diagram, distribution diagram, are are the voltages normal the voltages normal at at P812A and CN90A and P812B? CN91B? Suspect the Suspect the Suspect the digital module.
  • Page 15 Does the screen light unevenly? (Normal screen with a shaded area) This *** Warranty Concession normally required for LCD panel indicates a defective CCFL replacement. Digital photo (Lamp). The may be requested. display should Contact Technical be replaced. Support. Does the back light function and then turn off? If it is available , try the...
  • Page 16 U02A LOW-B U03C U800 POWER U03A TN-AV U04A SEINE U03B Front-AV U05A LED...
  • Page 22 Replacement Parts List Location Part No. Description A201 75007503 CABINET/RACK FRONT BEZEL ASSY, FRONT BEZEL ASSY A315 75004098 PIECE, C COVER ASSY A401 75007504 CABINET/RACK BACK COVER ASSY, BACK COVER ASSY A425 75004085 STAND ASSY B001 75007502 DISPLAY G7CMO47HD, V470H1‐L12 K902 75006721 REMOCON HAND UNIT, CT‐90276 MZ01 75007493 CABLE LVDS, V90A00040700 P801 75002678 POWER CORD, INQ2682(1) U02A 75007501 PWU, LOWB, PE0307F1 U03A 75006715 PC BOARD ASSY, PE0349A1, TN AV U03B 75006716 PC BOARD ASSY, PE0349A2, F‐AV U03C 75006717 PC BOARD ASSY, PE0349A3, KEY U04AS 75007224 PC BOARD ASSY, PE0361A1, SEINE U05A...
  • Page 23 TOSHIBA CORPORATION 1-1, SHIBAURA 1-CHOME, MINATO-KU, TOKYO 105-8001, JAPAN...