[Premium-Rx] Need Help for Mackay MSR-5050

[Berndt Josef Wulf]

http://www.tecnosurplus.com/ProductsandServices/TechnicalManuals/tabid/64/Default.aspx

73, Berndt
VK5ABN

On Saturday 10 May 2008 08:03:37 ToddRoberts2001 at aol.com wrote:
> Hi all,
> I recently bought a nice-looking  Mackay MSR-5050 that was stated
> to be in good working condition. When it arrived  unfortunately
> the power transformer shook loose during shipping and was
> floating  loose in the chassis.  The power transformer was
> mounted to the left side  panel looking at the radio from the
> front and near the rear left corner of the  chassis.
>
> Damage appeared to be one broken wire to a bridge rectifier 
> block mounted next to the transformer. The transformer itself
> looks OK and looks  like the wire leads kept the transformer from
> 'roaming' too far in the chassis  and damage looks minimal.
> Fixing the broken wire should be easy.
>
> One  problem that looks a little more serious is right under
> where the transformer  was mounted - on the bottom mother board -
> there was a row of what looks  like  to be 6 glass diodes mounted
> on the topside of the mother board. All the glass diodes were
> smashed. Next to the glass diodes is what looks to be an 
> accessory socket on the motherboard.
>
> I was wondering if there are any  members that may have an
> MSR-5050 and know what those glass diodes were for and  what part
> numbers they were? It doesn't look like too serious a job to
> replace  them if I knew what they were. I would guess they might
> be small switching  diodes. Perhaps the accessory socket was for
> a preselector and the diodes  switched in different bandpass
> circuits?
>
> If anyone can help with any tips  or info it would be greatly
> appreciated. If someone could steer me to a manual  or manual
> copy that would be much appreciated also. Thanks!
>
> 73 Todd  WD4NGG
>
>
>
>
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