View Single Post
  #13  
Old 12-06-2020, 07:45 PM
Electronic M's Avatar
Electronic M Electronic M is offline
M is for Memory
 
Join Date: Jan 2011
Location: Pewaukee/Delafield Wi
Posts: 15,445
Quote:
Originally Posted by old_tv_nut View Post
If the horizontal frequency is running lower and lower with time, that could raise the current draw.
I would work on getting the horizontal sync good first.

I missed whether you checked X14 (dual diode AFC detector) or not.

Do you have a scope to check waveforms vs. the schematic?
+1
A horizontal osc running reliably on the correct frequency to achieve sync is the key stone of the horizontal opperation... without that you will end up chasing your tail trying to solve problems the Osc causes elsewhere.
__________________
Tom C.

Zenith: The quality stays in EVEN after the name falls off!
What I want. --> http://www.videokarma.org/showpost.p...62&postcount=4
Reply With Quote