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Old 4th Dec 2017, 9:46 am   #2
Dickie
Octode
 
Join Date: Sep 2004
Location: St. Albans, Hertfordshire, UK.
Posts: 1,477
Default Re: Marconi 2022C, no signal below 250 MHz anymore

If it's not working below 250MHz then the 125-250MHz divider path or its switching is probably not working. This is IC11 on the AB1 board and its associated control and diode switches. IC11 (Plessey SP9131) is not cheap, so its worth some detailed fault finding before condemning it.
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Richard, BVWS member
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