+Philsan Posted October 2, 2009 Share Posted October 2, 2009 (edited) When I turn on a six switch European VCS, I first get a BW image then, after seconds, I get color image. This happens only when VCS is cold (after minutes, if I turn off and on, I get a color image without any delay). Is it normal? My Darth Vader VCS doesn't have this behaviour. Edited October 2, 2009 by Philsan Quote Link to comment Share on other sites More sharing options...
RevEng Posted October 2, 2009 Share Posted October 2, 2009 The chroma signal is handled differently between NTSC and PAL systems. Its normal for a PAL source to show up as B&W on an NTSC tv. I'm guessing your TV has some kind of detection+adjustment for PAL sources that takes a few seconds to kick in. Quote Link to comment Share on other sites More sharing options...
+Philsan Posted October 2, 2009 Author Share Posted October 2, 2009 My VCS is PAL and I live in a PAL country! Moreover this behaviour disappears when VCS is used for circa ten minutes. Quote Link to comment Share on other sites More sharing options...
RevEng Posted October 2, 2009 Share Posted October 2, 2009 Hmm, souns like something is off either in the colour-burst or chroma circuitry. Sometimes a change in behaviour after electronics warm up can mean a cold/cracked solder joint. (Though it could also be something else) Quote Link to comment Share on other sites More sharing options...
+Philsan Posted October 5, 2009 Author Share Posted October 5, 2009 (edited) Thanks to an AA user I have found how to fix this problem! Simply open VCS and turn clockwise the chroma potentiometer. Edited October 5, 2009 by Philsan Quote Link to comment Share on other sites More sharing options...
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