Thread: Newbie's First Questions RCA TS 721 Restoration
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Old 07-06-2022, 09:51 PM
old_coot88 old_coot88 is offline
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Quote:
Originally Posted by Yamamaya42 View Post
pins 8 & 7 are tied to gnd so they are 0v , pin 2 is heater at 6.3v AC, pin 4 (ctrol grid) is tied to bias...
Um.. small nit, but pin 4 is screen grid, pin 5 is control (signal) grid.
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