[R-390] R-390 won't power up...

[Barry]

Did you check the fuse?

Barry - N4BUQ


 On Wed 18/01/12 10:52 AM , Terrence Harvey terrencelharvey at yahoo.com sent:
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> Hello All;
>  
> First let me preface this post by saying I am not and elex tech. or
> engineer and so not a lot of expertise in the field.  
>     The foregoing having been said... I am trying to get my Phila-51
> contract R-390 back on line. Went down some time ago in failure to
> power on mode when function switch turned to any position. Seemed likely
> to me the panel mounted micro-switch had failed ( replaced it about 5 yrs
> ago with similar failure mode), so took receiver off operating table and
> put aside for future repair.  
> Recently I got around to taking front panel down and testing switch with an
> ohm meter.Testing revealed switch functioning properly, so re-assembled and
> re-applied power, thru Staco variable transformer, with same result.
> No tube filaments, dial lights or audio. Next checked continuity of 3
> conductors of power cord with all ok. Power present at chassis side of AC
> input receptacle. Checked 26Z5s and they checked good on Simpson tube
> tester. This is where I stand at this juncture.  
> What are next most logical checks I need to perform???
>  
> Thanks for any/all help.
>  
> Terry Harvey
> Crystal Lake, IL USA
> ter
> rencelharvey at yahoo.com______________________________________________________________
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