RE: Widescreen switching

["Keith Doxey" <ukha@xxxxxxx>]

If the box doesnt have any switches then it is almost certainly a splitter
designed to feed one source to several TV's, monitors etc. Even when used
like that the picture will be poor as the video signals are incorrectly
terminated.

It sounds as if the two outputs are connected directly together. The reason
for no audio from the VCR when the DVD is off is that the output impedance
of the DVD is extremely low and is shorting the signal to ground.

As a minimum you need a box that performs a switching function.

Keith

-----Original Message-----
From: Primoz Gabrijelcic [mailto:gabr@xxxxxxx]
Sent: 09 January 2002 22:16
To: ukha_d@xxxxxxx
Subject: RE: [ukha_d] Widescreen switching


As you people know SCART by heart (at least it seems so) - maybe somebody
can help me.

I have fairly primitive AV setup currently - VCR and DVD are connected into
a SCART module with three inputs and one cable going to the TV (I hope you
can picture this - I just don't know how to name it in English). That thing
is also very primitive, I think, with hardwired contacts over all three
SCART ports.

The problem is - If I have VCR in standby, I can see and hear DVD on the
TV.
OK. But if I put DVD on standby, I only get VCR picture, no sound. TV is
completely deaf. And if I run both VCR and DVD I get a messed picture
(completely out of sync - that's why I think that contacts on that SCART
module are simply hardwired).

Can somebody please at least explain this behaviour? I can leave with it
(plugging SCART in and out ...) but I'd like to understand it.

Best regards,
Primoz



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