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Zenith 7-S-240 Eye tube question
Eric
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Posts: 451
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Joined: Nov 2011
City: Cumming, GA
#5

05-31-2016, 02:00 PM
Did a voltage check using page 2 (don't know I didn't see this earlier) this is what I got
Pin actual Should be
1 X
2 55vdc 16
3 -3.1vdc -2
4 216 vdc 255
5 0 -2
6 6.4ac 6.4
117 volts at the plug
R-14 24k (22k)
R-5 1200 ohms (1000)
Is pin 5 the cathode? so it should be zero?
(This post was last modified: 05-31-2016, 02:10 PM by Eric.)
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Messages In This Thread
Zenith 7-S-240 Eye tube question - by Eric - 05-30-2016, 04:37 PM
RE: Zenith 7-S-240 Eye tube question - by morzh - 05-30-2016, 09:34 PM
RE: Zenith 7-S-240 Eye tube question - by Eric - 05-31-2016, 02:00 PM
RE: Zenith 7-S-240 Eye tube question - by Eric - 06-01-2016, 02:41 PM
RE: Zenith 7-S-240 Eye tube question - by Eric - 06-02-2016, 09:04 AM
RE: Zenith 7-S-240 Eye tube question - by Eric - 06-02-2016, 05:20 PM
RE: Zenith 7-S-240 Eye tube question - by Eric - 06-03-2016, 07:02 PM
RE: Zenith 7-S-240 Eye tube question - by Eric - 06-04-2016, 02:21 PM
RE: Zenith 7-S-240 Eye tube question - by Eric - 06-05-2016, 12:13 PM
RE: Zenith 7-S-240 Eye tube question - by Eric - 06-05-2016, 04:14 PM
RE: Zenith 7-S-240 Eye tube question - by Eric - 06-06-2016, 04:55 PM
RE: Zenith 7-S-240 Eye tube question - by Eric - 06-07-2016, 05:28 PM
RE: Zenith 7-S-240 Eye tube question - by Eric - 06-07-2016, 05:29 PM
RE: Zenith 7-S-240 Eye tube question - by Eric - 06-07-2016, 08:10 PM
RE: Zenith 7-S-240 Eye tube question - by Eric - 06-08-2016, 05:02 PM



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  1. The PHILCO Phorum
  2. Various and Sundry Categories
  3. Other Radios (Non-Philco)