Lost Horizontal Channels Astra2 & all Astra1 in one room only

pjq

My setup - 1 dish, 2 LNBs, 3 diseqc switchers feeding 3 rooms, Ariva STBs.

3 days ago I lost Astra 2 horizontal channels and Astra 1 channels work for 5 secs and then freeze (no signal), only in living room, other rooms are fine. Astra 1 started with only some lost channels.

I replaced STB, then replaced diseqc switch, but problem remains.
I then connected the living cable to the kitchen diseqc switch and vice versa. But once I changed the "port settings" , kitchen is still fine but living room still has the same problem. I have checked the cable (where visible) and F connectors.

I have not touched LNBs, because of work involved and unlikelihood that 2 become defective at once, in addition 2 rooms are fine and I did swap kitchen and living diseqcs.

Where am I going wrong?

The Cush

Initially I would suspect a defective cable to the living room. Can you remove/bypass the diseqc switch and connect the cable to each LNB output and test.

pjq

Thanks, I'll try that

pjq

Thanks , it was the cable. A corroded F connector tucked inside a wall, found it while stretching cable from diseqc switch to LNB. Thanks