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 Post subject: Small TFT Monitors
PostPosted: 28 Feb 06, 2:22 
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Big Brother
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Joined: 24 Jan 03, 0:17
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Location: Northamptonshire
Got a little project on the go this end.

Looking to use a TFT screen / monitor attached to and analogue video camera as the viewfinder is B/W.

I have a 4inch Toshiba display taken from one of those PSOne car kits which works fine on a standard PAL (UK) video signal ,but the camera is NTSC (USA) and while I can get a stable picture it's B/W. Looking on the driver board there is an IC that is suppose to auto switch between PAL/NTSC but there are two options off the switch line but the datasheet from Panasonic that I've found for the IC hasn't enough information.

So option two.

Found some 5 inch Centurion model CEN50HR TFT displays intended for head rest mounting. Say auto PAL/NTSC a good price and 12volt which is easier to do than the 7.5V needed for the ex-PSOne kit.

Question is has anybody seen one of these monitors in operation and if so what's the deffinition like ?

I'm guessing that changing the 8.866 MHz crystal to a 7.16 MHz one might sort the PSOne display but I've still got the case to build.
Either display with then have to have a mount made that'll allow both the tilt and the lateral position to be set prior to filming.

A colour display would have been very useful last Sunday and would have alerted me to the fact that I'd switch the White balance through to auto position to a manual indoor position which wasn't the best idea and meant the main speakers shirt was whited out most of the time. But when your only looking at a tiny B/W CRT viewfinder it's not that obvious until you watch the playback.

The price for the monitors are the lowest I've seen and there are 7 available at this time ,though I only need one.

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 Post subject:
PostPosted: 08 Mar 06, 21:08 
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Big Brother
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Location: Northamptonshire
For the record I have one of the above monitors sitting here.
It's very compact in black ,comes with headrest mount and dash mount. Also has a car adapter for the cigerette lighter socket.
Supports 2 AV inputs and has a remote control.

Haven't powered it up yet and haven't worked what to use to mount it from the tripod fixing on the bottom of the camera but the camera looks a lot more up to date with the monitor.

SVHS NTSC does a great job quality wise and is only beaten by the Panasonic 3CCD Digicam I bought last year but not by a lot. The main advantage is the Firewire to transfer the recordings to the PC. But the SVHS recorded striaght to DVD in HQ mode then transfered to the PC uses far less drive space. 1 hour off the Digicam requires around 13GB while even a full DVD is only 4.3GB (4.7GBits) and HQDivX is I think 700 ish MB for the compressed DVD files.

The monitors are on EBay priced £53.99 and so far it looks good.

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 Post subject:
PostPosted: 08 Mar 06, 21:37 
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Dancing Queen
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Sounds great Larry. Even if I only understood about two words in your post. :D If you have any other technical queries, please feel free to ask me.












and I will reply with a blank look as usual. :D

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