agentorange

Hi all,

I decided to build my own component cables because I think they are over priced, especially for the lengths I need.

In any event the total distance from my AV equipment to my TV is 40ft, by the time I snake the cabling up, across and down between the equipment.

In the wall, I attach the component cables via an RCA patch plug then use a shorter 1 metre component cable to go from the wall to the TV.

I connect the cables up and the colours are off. I know you are going to say they are in the wrong order.

To verify they are not, I use my RCA video connection and test each cable one at a time and labelled them as I went along. BTW, when I used each cable with the RCA video input/output between devices the colours were crisp and clear.

ALSO, to eliminate the RCA patch plugs I pulled the cables far enough thru and connected them DIRECTLY between my TV and DVD devices. I still get the same reddish, slightly grainy colours.

Anyone have any thoughts on what the problem may be.

chrispenycate

Forty feet's a long way for those frequencies; what kind of cable are you using?

It should be thick (quarter inch), low loss 75 ohm coax, not recuperated audio cable or ariel downlead.

The general reason for colour shift in the studio is desynchronisation due to differing cable delays, if you use four random cables that aren't the same length. Frequently, you'll just grab a handful of BNC cables off the rack, and discover that one's five metres longer than the others afterward (and swear) However, if you've cut and terminated each cable for the job, this shouldn't be a problem. It doesn't sound like echo (there aren't loop-through sockets that could do with terminating resistors, are there?) and certainly, if each cable carries composite adequately, it's difficult to see what can be wrong with the extension wiring.

Just a silly question; you have tried moving the TV up close to the gear and checking with just the adaptor cables, and female to female RCA adapters if necessary? It woud be silly if the problem came from a bought in cable like that.