Modify wireless keyboard to use wired connection

Hi ! i need help on finding wireles anttena. This board is from gigabyte wireles keyboard whit broken 2.4 ghz reciever. stoped working 20 days after warranty . I hate giving 100 bucks again so i will try to sholder cables from another keyboard but problem is i dont know where. For red and black wire is it obvious but for green and whit not so much.
Guy on other forum conected green and white on anttena and keyboard worked but didnt include picture.
Help if possible!

p.s. I can try whatever shouldering combo you guys say coz i know it is a test and trial.

I see no fault with the antenna that is on the circuit board, so maybe you would like to explain the problem more clearly

I also see no obvious places where any additional wires were connected ... as in there are no broken off remains of wires strands
on any of the solder joints, maybe the green and white wires were spares ?


all this being a possibility means that the fault causing a no-go is elsewhere in the circuit ... maybe one of the 2 IC's ?


Dave

Thx dave for reply! Thing is my gigabyte USB reciever(Dongle) that came whit keyboard stoped working, board from wireles gigabyte keyboard is working. I am trying to make my wireles keyboard onto wired keyboard ( if possible!). I know black is negative and the red is positive for powering the keyboard but i dont know where can I connect/shoulder white cable ( -data signal) and green cable (+ data signal) on the board.

There is no much data on this but I have seen seen video converting wired keyboard to wireles. I'm thinking it could be done opposite, converting wireles to wire'd :)

The "wireless" antenna (I wonder how look a wired antenna) printed on the PCB would be the last component on your keyboard that will get damaged.
Most probably the RF transceiver died. Looks like a Cypress IC, but not sure (the chip under the crystal).

How do you know that the keyboard part is working? Checked with a second receiver?

Any indications that the keyboard controller is able to drive an USB or PS2 keyboard interface? Why should it at all?

By the way: Misleading thread title, wrong section.

Keyboard is working. Wireles receiver have problem. I need to bend the board of receiver at some angle to get it to work! I tried to resoulder it, bake it at 220C...to no anvil...
This is Gigabyte KM7600 keyboard and I can't buy wireles receiver only ( no offer).

SOrry mod for mistakes. please do transfer this thread to appropriate section and change the title

I agree with your conclusion about defective receiver. Apparently it's not a broken solder joint, other possible causes are broken PCB trace or via, or broken component. Must be probably rated as non-repairable.

The reports about connecting interface wires to the antenna terminals sound doubtful. Are they referring to the same keyboard type?

The Gigabyte keyboard is a two-chip design, I assume composed of a controller part (a mask or flash programmed microcontroller) and a transceiver chip. I don't see how the antenna terminals of the transceiver chip can be dual use with PS2/USB function.

A dedicated single chip keyboard controller with integrated RF transceiver might have such a dual function. So I guess, the reports (if not faked) are probably referring to a different keyboard type. If the Gigabyte keyboard has a wired interface option, it would be expected at the (larger) controller chip, not the RF transceiver.