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Starting on the HP200CD oscilaltor
Mondial
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Posts: 1,114
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#21

03-09-2014, 04:08 PM
Did you change the two paper coupling caps? These leak badly when they get warm and throw off the bias on the output tubes.

These are the two plastic molded caps with the colored stripes. They are invariably bad as any other 60 year old paper cap.
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Messages In This Thread
Starting on the HP200CD oscilaltor - by morzh - 02-23-2014, 10:23 PM
RE: Starting on the HP200CD oscilaltor - by morzh - 02-23-2014, 11:28 PM
RE: Starting on the HP200CD oscilaltor - by morzh - 02-24-2014, 12:10 AM
RE: Starting on the HP200CD oscilaltor - by morzh - 02-24-2014, 10:20 PM
RE: Starting on the HP200CD oscilaltor - by morzh - 02-24-2014, 10:27 PM
RE: Starting on the HP200CD oscilaltor - by morzh - 02-26-2014, 12:15 AM
RE: Starting on the HP200CD oscilaltor - by morzh - 02-26-2014, 11:59 AM
RE: Starting on the HP200CD oscilaltor - by morzh - 02-26-2014, 12:04 PM
RE: Starting on the HP200CD oscilaltor - by morzh - 03-01-2014, 11:14 PM
RE: Starting on the HP200CD oscilaltor - by morzh - 03-08-2014, 10:20 PM
RE: Starting on the HP200CD oscilaltor - by morzh - 03-08-2014, 10:24 PM
RE: Starting on the HP200CD oscilaltor - by morzh - 03-09-2014, 11:59 AM
RE: Starting on the HP200CD oscilaltor - by morzh - 03-09-2014, 03:49 PM
RE: Starting on the HP200CD oscilaltor - by Mondial - 03-09-2014, 04:08 PM
RE: Starting on the HP200CD oscilaltor - by morzh - 03-09-2014, 04:33 PM
RE: Starting on the HP200CD oscilaltor - by morzh - 03-09-2014, 05:36 PM
RE: Starting on the HP200CD oscilaltor - by morzh - 03-09-2014, 08:04 PM
RE: Starting on the HP200CD oscilaltor - by morzh - 03-14-2014, 07:59 PM
RE: Starting on the HP200CD oscilaltor - by morzh - 03-14-2014, 11:07 PM
RE: Starting on the HP200CD oscilaltor - by morzh - 03-15-2014, 08:46 PM



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  1. The PHILCO Phorum
  2. Various and Sundry Categories
  3. Test Equipment