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Quickie Vid Input for CTC 5
Installed this quickie Video input on a CTC-5 with bad tuner
(will also later try official RCA circuit others have posted) *Lifted cathode & Plate resistors on V7b (Noise Inv half of 1st Video tube) *Added these parts from this circuit off web under 1st Video Cath Follower tube *Disconnected Vid Det wire wrap & connected this circuit to grid (may need DC Rest) *Connected signal from 1st Vid cathode directly to Sync Sep C101 instead of thru Noise Inv (was surprised this worked as Noise Inv had gain?) *Installed RCA socket in rear chassis existing gap *Will add another RCA for audio (all mods reversible & non-destructive) |
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