[Boatanchors] Wanted

[Rob Atkinson]

One little bit of advice for anyone running one of the A/C/R-88 etc. receivers:

If the set has no fuse add one (that is probably pretty obvious but
mine amazingly never had one put in; 2A 120 v. in the U.S. should do
it) and power the set on and off with a switch in series with the
fuse, leaving the front panel rotary switch permanently in the "rec
mod" position.  Use the vacuum rectifier as your in-rush limiter.
You can also re-wire the rotary switch.   In other words, don't run
the set in the filament only position.  Doing so causes the B+ to go
high unloaded, and that 3 in one case filter cap unit which is rated
for 500 v. can fail.  I was lucky, mine failed when I was there to
catch it and power down the set.   The one most at risk is the filter
cap between the two chokes.   I think that's all covered in Henry
Rogers's radioblvd.com write up but it is worth pointing it out as I
didn't read it until after mine failed.   The filter cap unit has 5
lugs.  Two of the sections share a common B- lug.

73

Rob
K5UJ

On Sun, Apr 13, 2014 at 7:03 AM, GARY BROWN <XFRMRS at roadrunner.com> wrote:
> Looking for a manual for the RCA, CR-88A. The BAMA site has one for the CR-88 and the schematic is way to small for my eyes.
> Regards,
> Gary