[GreenKeys] Re: TT1F/TXC-1 and PP-86E fuses blew !!!

[drhouse at mchsi.com]

Hi Paul,
The commercial WZ3 solid state replacement uses some type of thermistor.  Not sure what kind and how it 
is wired.  I am trying to get by until the filming is over and then replace the diodes with a NOS 5Z3.

Don


> Is there not supposed to be some resistance in series with the diodes to more 
> properly 
> match the impedance of the tube they replace?
> 
> PDW
> 
> 
> On Thu, 13 Oct 2005 18:01:55 +0000, drhouse at mchsi.com wrote :
> 
> > NO Roy,
> >    The diodes are installed in the right direction (but may be soldered to the 
> drop 
> side of the filiment 
> > transformer winding instead of the B+ side of the winding). The machine worked 
> fine for 
> about 30 
> > minutes. just before the fuses blew I had plugged in an RA-87 rectifier a 
> model 14TD 
> and M15 all into the 
> > same 15 amp circuit.  I am wondering if the voltage drop may have increased 
> the current 
> enough to blow 
> > the 1/8 amp TT1 fuse and the PP-86E 2 amp fuse....  Gosh darn it anyway.
> > 
> > Don
>