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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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#1
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Astec TV Modulators
Has anybody got (or can tell me where to get) any datasheets / pinout
info on RF modulators made by Astec, particularly the UM1233 and UM1287 models. |
#2
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Astec TV Modulators
try here for the um1233
http://www.timetec.freeserve.co.uk/transmitter.htm I have the data sheet somewhere but cannot for the life of me find it at the moment (Put it somewhere safe you see ) Regards |
#3
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Astec TV Modulators
In article , dave wrote:
Has anybody got (or can tell me where to get) any datasheets / pinout info on RF modulators made by Astec, particularly the UM1233 and UM1287 models. From 1985 Maplin catalogue: ____________ UM1233: a Supply +v a----| | Case=GND b Video in b----| | c none c----| | d none d----|________ _| |_| Supply +5V @ 6mA Bandwidth 8MHz UM1286: (yes, I know you wanted the UM1287 but maybe it's close?) a Fine tune b Audio in c Supply +V d video in Supply +5V @ 9mA Bandwidth 8MHz Sound carrier 6MHz Regards, Mike. |
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