Toshiba 40LV933G User manual

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SERVICE MANUAL
LCD Color Television
40LV933G
Ver. 1.00
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COPYRIGHT © 1995 - 2011 TOSHIBA CORPORATION, ALL Rights Reserve .
This TOSHIBA ZEUS formatted service manual provides a variety of information concerning
products information service technical service and the like ("Documents"). TOSHIBA and/or its
affiliated companies own copyrights in these Documents unless otherwise expressly stated.
These Documents are protected by copyright law and other applicable laws. Unauthorized use is
strictly prohibited and you may use the TOSHIBA ZEUS formatted service manual only under the
following conditions:
You may use copy or download for only internal and non-commercial purposes.
When you copy or download you must include this copyright notice and conditions.
You are prohibited to exploit such as modify distribute publicly transmit (including making
transmittable) or display and so on any copies of Documents.
Nothing shall be construed to license any copyright patent trademark or other intellectual
property rights existing in the Documents.
THE DOCUMENTS ARE PROVIDED ON AN "AS IS" BASIS WITHOUT WARRANTY OF ANY
KIND EITHER EXPRESS AND IMPLIED INCLUDING BUT NOT LIMITED TO WARRANTIES
OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE OR NON-
INFRINGEMENT.
In addition utilization of some Documents may be subject to further copyright notices and
conditions indicated on such Documents.
COPYRIGHT
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Whenever replacing the Main PCB with new one, perform this procedure.
1. IR Ke MENU → APPLICATIONS → Sleep Timer → OK.
2. When displa _ _ : _ 0 input 4 numbers 2766.
The Factor menu will displa .
3. Move to Tag "3" b Right/Left Arrow ke on the Remote.
4. Select "Model T pe" cell.
DESTINATION SETTING CHANGE
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5. Select the appropriate model t pe b Right/Left Arrow ke on the Remote. Model t pe is
written on the rating label.
6. Select "Reset to Def".
7. Select "Yes" and press "OK" button on the Remote.
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Firmware Upgrade - USB
USB upgrade flow
1. Firmware upgrade.
Copy a Firmware BIN file to USB disk (root dire tory) with FAT 32.
For example the naming as below.
xx_xV_xL_DB_933x_022_REV00.bin, shall have differen e version of firmware number
show on red.
2. Plug USB disk into TV USB port.
3. IR key MENU → SETUP → Software Upgrade → USB Upgrade.
During F/W upgrade will display per ent on the s reen when is finished will shown a
message on LCD s reen then unplug USB disk. TV will auto reset and power on again.
Note:
Not allow opy more then 1 versions of firmware in USB disk.
FIRMWARE UPDATING PROCEDURE
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The EC is actively promoting the WEEE & RoHS Directives that define standards for recycling
and reuse of Waste Electrical and Electronic Equipment and for the Restriction of the use of
certain Ha ardous 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
recogni es environmental protection as a key management tasks, and is doing its utmost to
enhance and improve the quality and scope of its environmental activities. In line with this,
Toshiba proactively promotes Green Procurement, and seeks to purchase and use products,
parts and materials that have low environmental impacts.
Green procurement of parts is not only confined to manufacture. The same green parts used in
manufacture must also be used as replacement parts.
GREEN PRODUCT PROCUREMENT
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Handling the LCD Module
Safety Precaution
In the event that the screen is damaged or the liquid crystal (fluid) leaks, do not breathe in or
drink this fluid.
Also, never touch this fluid. Such actions could cause to icity or skin irritation. If this fluid should
enter the mouth, rinse the mouth thoroughly with water. If the 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.
Precautions for Handling the LCD Module
CAUTION: The etal edges of the LCD odule are sharp, handle it with care.
The LCD module can easily be damaged during disassembly or reassembly; therefore, always
observe the following precautions when handling the module.
1. 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.
2. Carefully align the holes at all four corners of the LCD module with the corresponding holes
in the LCD cover and fasten with screws. Do not strongly push on the module because any
impact can adversely affect the performance. Also use caution when handling the polarized
screen because it can easily be damaged.
3. If the panel surface becomes soiled, wipe with cotton or a soft cloth. If this does not remove
the soiling, breathe on the surface and then wipe again.
SAFETY INSTRUCTION
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If the panel surface is e tremely solied, use a CRT cleaner as a cleaner. Wipe off the panel
surface by drop the cleaner on the cloth. Do not drop the cleaner on the panel. Pay
attention not to scratch the panel surface.
4. Leaving water or other fluids on the panel screen for an e tended period of time can result
in discoloration or stripes. Immediately remove any type of fluid from the screen.
5. Glass is used in the panel, so do not drop or strike with hard objects. Such actions can
damage the panel.
6. 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.
7. Do not e pose the LCD module to direct sunlight or strong ultraviolet rays for an e tended
period of time.
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8. Do not store the LCD module below the temperature conditions described in the
specifications. Failure to do so could result in freezing of the liquid crystal due to cold air or
loss of resilience or other damage.
9. Do not disassemble the LCD module. Such actions could result in improper operation.
10. When transporting the LCD module, do not use packing containing epo y resin (amine) or
silicon resin (alcohol or o im). The gas generated by these materials can cause loss of
polarity.
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