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Old 13th Sep 2018, 10:58 pm   #1
Douglas1
Retired Dormant Member
 
Join Date: Sep 2018
Location: Rugby, Warwickshire, UK.
Posts: 2
Default Marconi Radio communication Test set 2955A

I have a Marconi Radio Communication test set 2955A.
The attenuator block which comprises three three relays works but the switching(poor contacts probably) in of one specific attenuator is intermittent. The relay operates and some times the signal is provided but usually the signal disappears. The service manual does not recommend taking the unit apart. Locating a spare is difficult.
So my question is has anyone any experience of dismantling the U2632 attenuator block on these test sets? The 2955R uses the same one so buying an old 2955R being sold for parts might solve the problem but ideally I would like to get the original attenuator block working again reliably.
Any advice would be appreciated.

Many thanks.
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