Thread Rating:
  • 1 Vote(s) - 5 Average
  • 1
  • 2
  • 3
  • 4
  • 5

Philco 89B headaches
#11

Huzzah! That was it! Not only was the 51K up around 87K, but the 39K had decreased to 24K, so no wonder the screen voltages were high. Now that I've replaced those resistors, it's down around 87 volts, and the oscillator is oscillating.


Messages In This Thread
Philco 89B headaches - by sparkydave - 12-22-2015, 05:35 PM
RE: Philco 89B headaches - by Ron Ramirez - 12-22-2015, 07:23 PM
RE: Philco 89B headaches - by markmokris - 12-27-2015, 11:41 AM
RE: Philco 89B headaches - by sparkydave - 01-04-2016, 07:59 PM
RE: Philco 89B headaches - by Phlogiston - 01-05-2016, 03:16 PM
RE: Philco 89B headaches - by sparkydave - 01-07-2016, 08:12 PM
RE: Philco 89B headaches - by Warren - 01-08-2016, 04:21 PM
RE: Philco 89B headaches - by klondike98 - 01-07-2016, 10:03 PM
RE: Philco 89B headaches - by OZ4 - 01-08-2016, 06:25 PM
RE: Philco 89B headaches - by sparkydave - 01-10-2016, 11:33 AM
RE: Philco 89B headaches - by sparkydave - 01-10-2016, 01:12 PM
RE: Philco 89B headaches - by klondike98 - 01-10-2016, 01:42 PM
RE: Philco 89B headaches - by AI2V - 01-13-2016, 03:48 PM



Users browsing this thread: 1 Guest(s)