LVDS Adapter

From Geekworm
Jump to navigation Jump to search


LVDS To HDMI Adapter Board - NEW VERSION
LVDS To HDMI Adapter Board - OLD VERSION
LVDS To HDMI Adapter Board - OLD VERSION
LVDS To HDMI Adapter Board - OLD VERSION

Notice

  • Due to the wide variety of screens on the market, the EDID recognition of different screens may have compatibility issues, which may lead to incorrect screen colors or abnormal screens.
  • This board is limited to LVDS output, the resolution must be the VESA standard, and the driver board should be at least V59 grade, or the driver board is not available.
  • Pin Connection: 2 x 40Pin
  • Because it is the DIY product, so sometimes there may be the compatibility problem. When it shows no signal or no sound, it may be the compability problem.
  • It is not recommend to use with 4K TV as it may have some compability problem.

Packing List

1 x LVDS To HDMI Adapter Board

There are two kinds of LVDS input

  • Double 8, Support 1080P (1920*1080P)/1280*1024/1600*900/1400*900/1920*1200 etc.
  • Single 8, Support 480P/720p/768p/800P/960p etc.

Note:

  1. The default is Dual 8 mode, can switch to Single 8 mode by shorting GND and S1.
  2. LVDS signal source: The default is VESA, please short S2 and GND if you need JEIDA.

Board Design

New Version:

LVDS- Interface.jpg

IMG 8861-overview.jpg

Old Version:

IMG 3780-w800.jpg

Document

File:S-LH1080P-AUDIO-V17-Spec-20180504-1.pdf

Video

https://youtu.be/QO8AdppjJh8

https://youtu.be/hfdF0DJ2vRM

FAQ

Q: Why the image cuts in and out? (screen flicker )

A: The mainboard LVDS output need to turn off NOSSC(Spread Spectrum function) and turn on the FREERUN function. The mainboard does not turn off the NOSSC, the frequency is unstable and the screen will flicker.

Note: If you use the ARCADE1UP machine, you may not able to turn off Spread Spectrum function, as it is NOSSC is a software function of the mainboard, the ARCADE1UP machine is a finished product, please understand.


Q: Why a yellow screen? (a yellow tint; yellow colors;Outputs yellow signal )

A: This is an EDID compatibility problem, because there are too many types of screens on the market, the EDID recognition of different monitors may be wrong, resulting in incorrect colors.(This issue maybe fixed by modify the program.)


Q: Is there a way to reflash the firmware on this board so it turns the Double 8 to a Single 8?

A: 1. Please confirm which version your board is.

2. If it is the version as picture shows;

you could weld a 0ohm-0603-±5%-1/10W resistance on R18 position.

R28 is used to switch the JEIDA signal, it is VESA signal when without the resistance.

LVDS to HDMI Board (New Version).jpg


3.

If your board is the newest version then you could switch to Single 8 mode by shorting GND and S1.


4.

Does the LVDS to HDMI Adapter supports non-standard resolutions, for example 800x800?

Sorry, we can not guarantee the compatibility, you can do the test and let us know the result, thanks!

5.

Is it possible to configure the ITE chip to support dual channel 6-bit inputs?

Yes, this is possible but need to configure Double 6 program, the program needs to be changed.

6

Q:I need to know if this board will accept without damage an LVDS 12Vdc input instead of 5Vdc input?

A:This LVDS compatible with 5V-12V,so you can try 12V.

7

Q: Why does the LVDS blank out for 1 to 2 seconds every once in a while?

A: The LVDS needs a Stable signal from the motherboard ,so please check your motherboard software,As the blank out issue is because the LVDS output signal of the motherboard is unstable and the frequency is not fixed, so please close the motherboard signal spreading function and turned on the FREERUN fixed frequency function.


Add your comment
Geekworm welcomes all comments. If you do not want to be anonymous, register or log in. It is free.


Anonymous user #26

27 days ago
Score 0++
Used this board to connect arcade 1up big buck hunter to my tv. It works but it cuts in and out once in awhile. I see comments about this and that it needs to be changed to free run. I don’t know how to do that. Any suggestions?

Anonymous user #25

2 months ago
Score 0++
Why are there 2 LVDS inputs? Is there some way to plug 2 different LVDS signals in and have a switch to change the output?

Anonymous user #24

2 months ago
Score 0++

Hello, I'm trying to LVDS to HDMI signal converting. the driving board have LVDS single 4 channel. But S.LH1080P board May support the single 8 channel.

Is it possible to connect LVDS single 4 channel to S.LH1080P board?

Anonymous user #23

2 months ago
Score 0++
How do I close the motherboard signal spreading function and turn it on the FREERUN fixed frequency function?

Anonymous user #22

5 months ago
Score 0++
Hello there! I need to know if this board will accept without damage an LVDS 12Vdc input instead of 5Vdc input?? My whatsp number is +263713264584

Xiali

4 months ago
Score 0++
Hi dear ,Sorry for the delay reply ,This LVDS compatible with 5V-12V,so you can try 12V. By the way ,There are many Raspberry Pi fans exchange experiences on our official website, you are welcome to join us https://geek...munity/forum

Anonymous user #21

5 months ago
Score 0++

Hello I am trying to use converter board v.20 with 1024*768 single mode resolution. And I have no HDMI Output. LCD panel AA104SJ02, connected to the output is working good. I has checked coonection for several times, I can see LVDS input via oscilloscope, power 5v and it is good. I can see 27mzh and 12mzh osillators are working good.

S1 jumper is shorted.

Xiali

4 months ago
Score 0++
Hi dear,No signal output may cause the motherboard screen parameter matching problem, please adjust the parameters according to the standard VESA protocol screen parameters,There are many Raspberry Pi fans exchange experiences on our official website, you are welcome to join us https://geek...munity/forum

Anonymous user #20

6 months ago
Score 0++

Hi,

Interested in "picking up" the signal that normaly goes to a 3.5" TFT. VESA resolution of QVGA. Can it work? Just need to pick my doorbell video signal to inject on my Home Assistant instance

Anonymous user #19

6 months ago
Score 0++
Hi, can you make a firmware update an Adapter Board ver. 2.0 for: LVDS 120 Hz, 10 bit 2ch-LVDS interface, JEIDA\VESA, 1920*1080

Anonymous user #18

8 months ago
Score 0++
Can this run LVDS in at 800x600 at 100Hz?

Anonymous user #17

12 months ago
Score 0++
Hi, I'm looking to take two LVDS outputs from a tv with a broken screen and turn them into an hdmi out that I can plug into another monitor. This seems like what I need, can I order one?

Abby

11 months ago
Score 0++

Hi friend, Yes, please kindly refer to: https://geek...rd-converter

And as it is a DIY product, it is recommend to read this page more detail before making the order. Thank you.

Anonymous user #16

12 months ago
Score 0++
It says it will have any compatibility problem if connected to 4K board! Can you please make the sentence more understandable! Did you teied to say that it wont have any compatibility problem or itis not compatible!

Abby

12 months ago
Score 0++

Hi,

Sorry, it is not recommend to use with 4K TV as it may have some compability problem.

Anonymous user #15

16 months ago
Score 0++
On your home page, you guys mention that you specialize in developing open source hardware. Are you able to supply the source code of the firmware used on the Geekworm S-LH1080P-AUDIO-V20 HDMI to LVDS board using the STC8F2K64S2 MCU? I'd like to adapt it in order to be compatible with JEIDA 10-bit LVDS signaling.

Anonymous user #14

17 months ago
Score 0++
Can i order 1 cash on delivery in saudi arabia.my mobile number +966570933532

Cindy

12 months ago
Score 0++

Hi,

Sorry, not support cash on delivery.

Anonymous user #13

19 months ago
Score 0++
How do I Program the board to accept Single 8 input when I have the default Double 8 Board. The documentation supplied with the board does not discuss how to do this. Thanks.

Cindy

12 months ago
Score 0++

Hi,

Double 8 and singe 8 board are two different boards.

Anonymous user #11

22 months ago
Score 0++
Why are there two rows of pins on the top of the board? What is the second set used for?

Anonymous user #12

22 months ago
Score 0++
The second set of pins just destroys your monitor. Seriously, i plugged in there by accident and it fried the monitor.

Admin

22 months ago
Score 0++

Hi,

Please check http://www.r...180504-1.pdf

Anonymous user #11

22 months ago
Score 0++
Admin, that PDF does not answer the question.

Anonymous user #10

23 months ago
Score 0++
Will this work for 800*480 output from LCDs?

Admin

23 months ago
Score 0++

Hello, This board is limited to LVDS output, the resolution must be the VESA standard, and the driver board should be at least V59 grade. Best regards,

Cindy

Anonymous user #8

24 months ago
Score 0++
Hello, I ran through the manual, but still do not see any indication of how to wire the board up for single channel LVDS. Can you please further clarify? Do I need to jump some of the pins of the programming interfaces? I need to get this up and running ASAP, any help would be appreciated. Thanks!

Anonymous user #9

24 months ago
Score 0++

Hello, Could you please tell us do you get the single 8 board or double 8 board? As they have different program, so one board can't be used as single 8 and double 8 the same time. Please refer to : File:S-LH1080P-AUDIO-V17-Spec-20180504-1.pdf If any more questions, you can contact us by support@geekworm.com. Please attach the order link and order number. Best regards

Cindy/Geekworm

Anonymous user #7

24 months ago
Score 0++
How do I configure this board for 1 channel LVDS instead of 2 channel LVDS?

Admin

24 months ago
Score 0++

Hi, Do you refer to this user manual?

http://www.r...180504-1.pdf

Anonymous user #6

26 months ago
Score 0++

Hi,

I am wondering if this board can convert any LVDS data to RAW HDMI out? Meaning not strictly display signals. Any thoughts?

Many Thanks!

Admin

26 months ago
Score 0++

Hi,

Sorry, we can not confirm about if this board can convert any LVDS data to RAW HDMI out.

Anonymous user #5

27 months ago
Score 0++

Hi, I know it states that it must be VESA standard, but i will still try my luck to ask :D Does it support resolution 1920 x 720 @ 60hz?

Thanks in advance!

Admin

27 months ago
Score 0++

Hello sir,

If it not listed, then it will not support, and also we can not guarantee the compatibility, hope to get your understanding!

Anonymous user #3

27 months ago
Score 0++
I have experience using this device. There is some discrepancy in the File description: S-LH1080P-AUDIO-V17-Spec-20180504-1.pdf and the actual operation of the device: namely, on page 7 in clause 6.3 the supported mode is 1080p 50Hz (1920 * 1080 50Hz?), Is it really 50Hz mode is not supported. Only 60Hz (1080p 60Hz, 720p 60Hz, 480p 60Hz) modes are supported. 576i and 576p(50Hz?)resolutions are not supported. Is there a LVDS to HDMI device with a resolution of 576i and 576p. 50 Hz.??

Admin

27 months ago
Score 0++

Hello sir, Thanks for your feeback. We do not have other LVDS to HDMI device with a resolution of 576i and 576p. 50 Hz. Best regards,

Geekworm

Anonymous user #4

27 months ago
Score 0++
Hi, Thanks for the quick comment. What can be said about the resolution of 1080p 50 Hz - on page 7 in paragraph 6.3 in the second row of the table - should this mode be supported by this controller? Best regards.

Admin

27 months ago
Score 0++

Hello sir, The double 8 support 1080p 50 Hz , it show the Common LVDS resolution configuration parameters which need to meet the requiremnet. Best regards,

Geekworm

Anonymous user #1

30 months ago
Score 0++

Can Someone make this article idiot proof?

I'm looking for a board to power a screen. So it should be hdmi to LDVS. Or is it omnidirectional?

Anonymous user #2

28 months ago
Score 0++
It is omnidirectional. If you need HDMI to LVDS, you will need an LCD driver board, which is plentiful outside, such as on eBay, Amazon, or AliExpress. You can simply type in Raspberry Pi LCD and you would get a display that's fully compatible with the Pi