Full HD LVDS VASA JEIDA VGA LED LCD Repair TV Mother Main board Tester

By WT
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Description & Details

Summary

  • A very useful tool for TV motherboard repair. Save time Save money!
  • This LVDS-VGA converter is suitable for LCD TV mainboard test and repair.
  • This really a huge economic pressure. And if something wrong with mainboard outputs signal,it also may burn LCD screen.
  • This LVDS-VGA converter is a useful tool for technicians who offer TV mainboard repair.

Description

Full HD LVDS Turn VGA (LED/LCD)TV Motherboard Tester Tools Converter (Display Version)With Five Adapter Plate

A very useful tool for TV motherboard repair. Save time Save money!

This LVDS-VGA converter is suitable for LCD TV mainboard test and repair.

As we know, there are so many different kinds of  LCD TV mainboards in the market. 

And different mainboard matches with different LCD screen. So when we produce or repair LCD screens, we always need to prepare so many different LCD screens. 

This really a huge economic pressure. And if something wrong with mainboard outputs signal,it also may burn LCD screen. 

In order to solve these problems,we develop this converter. 

The LVDS-VGA converter can converts the LVDS signal which from the LCD TV mainboard to VGA signal output. 

What's more, this LVDS-VGA converter is equipped with a 4.3'' display which provide more convenience for door-to-door repair.

This LVDS-VGA converter is a useful tool for technicians who offer TV mainboard repair. Advantages as below:

1.Fully compatible with SD and HD, much more compatible and convenient.

2.Perfectly support all kinds of LVDS signals ,all single screen line of 60Hz,120Hz,240Hz and the double screen line .

3.Equipped with 4.3'' display which can display LVDS imagines and support external VGA interface. 

4.Fully support 60Hz,120Hz,240Hz single and double screen lines LVDS signals with different resolutions. 

5.With unified VGA 1280*720/60HZ signal output and better compatibility. Compatible with CRT, LCD and TV Screen .

6.Easy and convenient to shift different LVDS format.

How to use this LVDS-VGA Converter?

1.Connect the mainboard and the display line convert board, make sure the sequence of lines is right, then open the TV mainboard, if the indicator lights of the display line conversion is on, the connection is right. If the light is off,check and connect again.

2.when the indicator lights of the display line conversion is on turn the front of the display line convert board up, and put it into the LVDS converter, as the picture above, make sure the TV mainboard and the converter are in boot state.

3.If the image is not clear, press the model switch button repeatly ant get to different models until the image is normal.

4.This LVDS-VGA converter supports all 60Hz,120Hz,240Hz LVDS format. If there are two display lines in a mainboard, you just need to connect one display line to HD conversion board to convert the image your required.

The LVDS signal format and resolution of this LVDS-VGA converter

This LVDS-VGA converter fully support all 6 bit/8bit/10bit LVDS signals,all single screen cable of 60Hz,120Hz,240Hz and all LVDS signals of double screen cable. It can be used for all kinds of LVDS signals, no doubt it’s an excellent tool for mainboard repair and test.

 I. Characteristics of this conversion board

1. Furnished with 4.3" display screen, it is able to display LVDS image directly from the mainboard, supporting external VGA.

2. It supports LVDS signal with various resolution ratios (60Hz, 120Hz and 240Hz) of single or dual shielded wire.

3. It outputs uniform VGA signal (1280*720/60HZ) which is able to be connected to various display, supporting CRT, liquid crystal and TV display (favorable compatibility).

4. The input interface features anti-static design with better anti-static capacity.

5. Convenient conversion among various LVDS formats.

6. Wide power input design, with 5V-12V adapter.

II. Packing list and standard accessories

Note  standard accessories only include two normal shielded wire conversion boards, one for two-interface with high definition and other for four-interface with standard definition. These two conversion boards are compatible with most shielded wires on the market. Additional FFC, special sanxing interface and another three mainboards are optional as shown below:

III. Select a conversion board

Note these three shielded wire conversion boards are not standard accessories, but they can be purchased. The difference is that sanxing standard-definition conversion board with two interfaces is thicker than the interface of configured standard-definition conversion board. The other two FFC interfaces aim at conversion board with partial screen body being customized with FFC interface. They have the same sequences with two standard conversion boards, but the interface is FFC. The usage is shown at the back of manual.

 IV. Functions about host of converter 

Description of input mode conversion

Definition of LVDS input interface

Description of input mode conversion

This converter supports complete LVDS formats and supports conversion of various resolution ratio input (6bit, 8bit, 10bit) into VGA signal (1280*720/60HZ), with favorable compatibility with various displays. Conversion of LVDS signal formats is realized by pressing the mode button circularly.

Parameter table of resolution and format of converter

No.    Resolution   LVDS   format   No.  Resolution    LVDS format

1       800*600     VASA, JEIDA    8    1280*720      VASA, JEIDA

2       1024*600    VASA, JEIDA    9    1600*900      VASA, JEIDA

3       1280*800    VASA, JEIDA   10   1400*1050    VASA, JEIDA

4       1280*1024   VASA, JEIDA   11   1680*1050    VASA, JEIDA

5       1366*768     VASA, JEIDA   12   1600*1200    VASA, JEID

6       1024*768     VASA, JEIDA   13   1920*1200    VASA, JEIDA

7       1440*900     VASA, JEIDA   14   1920*1080    VASA, JEIDA

 1. It is prohibited to insert a shielded wire conversion board into a converter first. Instead, it should be connected to a TV mainboard directly before switching on the TV mainboard. This operation easily leads to shielded wire insertion fault and component damage. Please operate it based on the following steps

2. Do not insert a shielded wire into a converter first. Instead, please insert the original shielded wire of a TV mainboard into the converter. During insertion, LVDS signal wire sequence should be aligned. After switching on the TV mainboard, the small board indicator light is on, indicating that the termination of the shielded wire (wire sequence) is correct. Then insert the converter. It is prohibited to insert the converter inside if the small indicator light is off; otherwise, the converter might be damaged caused by the screen power supply entering LVDS input pin.

3. Generally, the single-route LVDS signal is able to be connected 0~3 (connection of group wire

4 is not necessary) in Group A and clock input by selecting LVDS wire. It is possible to connect 5 pairs of LVDS wire input. LVDS signal of Group A is able to support the resolution ratio up to 1366*768. LVDS with two- or four-route is able to be connected to this group only.

4. The LVDS input rule of this converter follows PCB wiring rule of LCD TV produced by Skyworth, which conforms to standard of LVDS format in the industry of color TV.

5. This converter adopts wide power supply at 5V-12V (1A) and supports portable power source at 5V/1A, so it’s convenient to carry for test.

6. Attention: LVDS input end of this converter should not have the screen power connected to any pin of the LVDS input end; otherwise, it might damage the main chip of the converter. The main chip damage incurred by this falls beyond the guarantee scope.

Manual of Shielded Wire Conversion Board of Sixth-Generation LVDS-VGA Converter

During mainboard maintenance or commissioning, the original TV shielded wire might not match this LVDS-VGA converter input interface. This issue is able to be solved by the shielded wire conversion board. The high definition interface of the shielded conversion board adopts original imported interface, featuring long service life. The conversion board is sold as an accessory of the LVDS-VGA converter. Refer to the following drawing description for the shielded wire conversion board.

Diagram of usage of shielded wire conversion board

Step 1  Do not insert the conversion board into the converter. Instead, insert the original shielded wire of TV mainboard into the corresponding shielded wire interface in the conversion board.

Note: the corresponding interface is based on the twisted-pair position of the shielded wire and the position of small board LVDS paired wire, i.e. insert it  correspondingly. Different shielded wire should be inserted into different interfaces

Step 2 Use one hand to press LVDS flat socket tightly and use the other to clench both ends of the

shielded wire to insert it in. The figure above is the high definition shielded wire interface. The standard definition shielded wire interface follow the such insertion method. (Note: operation of five small boards are basically identical. During connection, attention should be paid to the wire sequence. Align the power supply before aligning the twisted-pair LVDS wire of a shielded wire and the paired signal wire of a small board.

Step 3  Supply power to the TV mainboard. With a correct connection of a shielded wire, the indicator on the small conversion board will be on; otherwise, it means connection of the shielded wire is incorrect or the mainboard is not switched on. (Note: please inspect whether the mainboard screen

power supply (5 V/12 V) enters the right output pin; if it is, it will lead to a converter damage. About an unfamiliar mainboard, a multi-meter should be used to inspect whether the contact pin enters the screen power supply 5V/12V)

Step 4

It is able to be inserted (its front faces upwards) into the input base of LVDS –VGA only if the indicator on the shielded wire converter is one

Step 5

After connection, if the mainboard of TV is normal, the display or external display on converter will display the image of mainboard of TV.

If there is no image, check if the shielded wire is connected well or if any damage of mainboard. In case of a blurred image, press the mode conversion button repeatedly to convert to various modes till the image is normal.

To facilitate the mainboard testing on site, a portable power source is able to be used to supply power to the converter. It is actually measured that Mi 10400 power (portable power from other brand is able to be selected) is able to supply power to this converter for 15 hours, fully conforming to testing requirements

 Precautions of using converter

1. Please follow aforementioned operations strictly.

2. Firstly connect a mainboard with the shielded wire conversion board, with attention paid to the wire sequence. Then switch on the TV mainboard, if the indicator on the shielded conversion board is on, it means connection between the mainboard and the shielded wire board is correct; otherwise, it should be re-inspected

3. With correct connection between the shielded wire conversion board and the mainboard, insert the shielded wire conversion board (front faces upwards) into the LVDS converter (refer to the figure above) before putting the TV mainboard and the converter to switching on status.

4. In case of a blurred image, press the mode conversion button repeatedly to convert to various modes till the image is normal.

5. This converter supports various LVDS formats (60Hz, 120Hz and 240Hz). About a mainboard with two shielded wire, one wire alone is required to be connected to the high definition conversion board instead of both wires. Besides, it is able to convert required image. Please follow aforementioned operations strictly!

Accessories

Standard accessories include two conversion boards, one for two-interface with high definition and other for four-interface with standard definition. These two conversion boards are compatible with interface of 32" and 58" display screen.

Details

OPC PKRW8C
Brand WT
Codes 780305598463 (UPC)

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Product Reviews of Full HD LVDS VASA JEIDA VGA LED LCD Repair TV Mother Main board Tester

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Highest Rated Review
Chinese manual
By a. davies on 26/01/2019
Product: Full HD LVDS VASA JEIDA VGA LED LCD Repair TV Mother Main board Tester
Sold By: 123station123
4/5
Good service. Fast delivery. However instruction manual is in chinese only so cant use the product.

Customer Reviews

Chinese manual
By a. davies on 26/01/2019
Sold By: 123station123
 4/5
Good service. Fast delivery. However instruction manual is in chinese only so cant use the product.

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