Guest deefadog Posted February 27, 2006 Share Posted February 27, 2006 Hi guyz, i have a crappy micromark B/W camera connected to an FM modulater which hooks up to the tv, this works fine. I wanted to connect a colour CCD camera i puchased to it, but all i got was a few wavey lines, can anyone help why this would not work, maybe the frequency was out of the modulators range maybe? Thanks Link to comment Share on other sites More sharing options...
WatchdogSecurity Posted February 27, 2006 Share Posted February 27, 2006 Hi guyz, i have a crappy micromark B/W camera connected to an FM modulater which hooks up to the tv, this works fine.I wanted to connect a colour CCD camera i puchased to it, but all i got was a few wavey lines, can anyone help why this would not work, maybe the frequency was out of the modulators range maybe? Thanks Can you change the RF channel on the modulator, maybe its tuned close to another signal, it needs to be at least 3 channels away from another souce, either that or the the cables kankered. Watchdog Security (Manchester) Link to comment Share on other sites More sharing options...
Guest Posted February 27, 2006 Share Posted February 27, 2006 FM modulator? Either it's not an FM modulator or it never worked. What's the cabling like? Could be inteference, duff connection somewhere. Try the camera plugged into the modulator directly to check it's not equipment at fault. Link to comment Share on other sites More sharing options...
Guest deefadog Posted February 27, 2006 Share Posted February 27, 2006 I have plugged the scart end of the CCD camera directly into the tv and it work fine, i plugged my other camera into the FR modulator and that works fine, all cables are good! The RF modulator only has one channel, you can fine tune it to get the picture but that's it, maybe i should get one with several channels on it! I drillled the wall and connected it up directly for now, works a treat as it's a camera for our little daughter and it has led's so is pefect, but we can only view it from our bedroom, as if the Modulator worked, we could view it from all the TV's in the house! So as long as it should work in theory, i guess i'll get a multi channel one - do you think? Link to comment Share on other sites More sharing options...
WatchdogSecurity Posted February 27, 2006 Share Posted February 27, 2006 I have plugged the scart end of the CCD camera directly into the tv and it work fine, i plugged my other camera into the FR modulator and that works fine, all cables are good!The RF modulator only has one channel, you can fine tune it to get the picture but that's it, maybe i should get one with several channels on it! I drillled the wall and connected it up directly for now, works a treat as it's a camera for our little daughter and it has led's so is pefect, but we can only view it from our bedroom, as if the Modulator worked, we could view it from all the TV's in the house! So as long as it should work in theory, i guess i'll get a multi channel one - do you think? Does the rf modulator have a Test signal, when you can tune it in to a while line etc? Watchdog Security (Manchester) Link to comment Share on other sites More sharing options...
Guest deefadog Posted February 27, 2006 Share Posted February 27, 2006 Yes, i have the Test signal, which shows the existing camera fine, when i put the neew ccd one in, i just get a black screen! Link to comment Share on other sites More sharing options...
breff Posted February 27, 2006 Share Posted February 27, 2006 could be a PAL/NTSC problem. The new camera may be NTSC and the RF modulator is expecting a PAL signal. The Scart input on your TV probably auto selects. The opinions I express are mine and are usually correct! (Except when I'm wrong)(which I'm not) Link to comment Share on other sites More sharing options...
Guest deefadog Posted February 28, 2006 Share Posted February 28, 2006 Good thinking! i just checked the boxand it does say Pal, although this was a cheapy camera from ebay from hong kong, so i guess it could be wrong? - although it's a cheapy, the quality it excellent, i can't knock that! When i say it was a black screen, i meant it was a black screen with like to oscillating line one on the top and one on the bottom! Maybe it's the channel afterall, like i said it's one fixed channel and not selectable, maybe i'll get another fm modulator with selectable channels? Link to comment Share on other sites More sharing options...
Rich Posted February 28, 2006 Share Posted February 28, 2006 The modulator will be fine if you have been able to use it with the other camera and the test bars, it sounds like the issue is between the ccd camera and the modulator, what connections and cables are you using exactly? micromark to modulator ccd cam to modulator inputs on modulator Link to comment Share on other sites More sharing options...
Guest Rockford Posted February 28, 2006 Share Posted February 28, 2006 could be a PAL/NTSC problem. The new camera may be NTSC and the RF modulator is expecting a PAL signal. The Scart input on your TV probably auto selects. If that were the case, you'd see any *colour* camera in black and white... Link to comment Share on other sites More sharing options...
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