Board K8057 and transmiter k8059

Modules General
1

Hi,
I have transmiter K8057 and board K8059, how is possible to resolve problem with button SW2 ,it doesnt switch any channel , button SW1 is OK?

2

Most likely an assembly error.
Can you provide LINKS to HI-RES and SHARP pictures of both component- and solderside of both boards, so that we can take a look and maybe provide some feedback.

3

[quote=“VEL417”]Most likely an assembly error.
Can you provide LINKS to HI-RES and SHARP pictures of both component- and solderside of both boards, so that we can take a look and maybe provide some feedback.[/quote]
But it works mannualy on board K8057 both of channels,not with SW2?

4

Then the problem is most likely located on the transmitter.