08-03-2014, 09:57 PM
Has the radio been recapped recently? If not you risk damaging it by not doing so. Post some pics...you can see how at http://www.philcoradio.com/phorum/showth...p?tid=4371
Schematic for the 91 series is available on Nostalgiaair.org
Schematic for the 91 series is available on Nostalgiaair.org