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Recent content by Axxel

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    RGB to PAL video encoder with MC1377 works but no with everything...

    Hello :grin: I looked after MC1377 schematics and I found those: The video output part of the SEGA Master System 1 Schematic wich use a MC1377, where you can see a similar schematic as I used: I Tried and I get a BW picture on the car LCD monitor... And a velleman KIT RGB Processor wich...
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    RGB to PAL video encoder with MC1377 works but no with everything...

    Hello Frank! Thanks for your help ;-) First, I looked after the TDA5850 but it is expensive and hard to find:-? so if I don't use it, I think it can be better for the moment... Today I tried to investigate more about this problem and trying to follow your instructions: I made this on the...
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    RGB to PAL video encoder with MC1377 works but no with everything...

    Thanks for the answer! So basically I have to clamp the output video signal to get the -0.3V peaks and to quit the DC offset? I have to put this on the output: https://en.wikipedia.org/wiki/File:Negative_Voltage_Clamping_Circuit.svg The condenser acts like high-pass filter to quit the DC...
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    RGB to PAL video encoder with MC1377 works but no with everything...

    Hi everybody :grin: I´m Axel, French and living in Barcelona and I love electronics :-P:lol: Sorry for my English I will try to explain it well ;-) I searched for a solution during a lot of time and... I think I need a little bit of help... I will try to explain you my problem.... :-? I...

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