Hi, i am trying to adjust the covergence . but 2 of the red ones are way out and will not adjust, there is a red asterisk beside 2 of the 9 positions and the alignment cross is distorted. any ideas?
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I have a 53hx71 that is haveing an issue with my blue on covergence. I have replaced both the chips and it still wont move up or down when i try to adjust manually and the auto adjust wont work either can anyone help?
for this kind of problem, we consider the lifespan of the RGB GUN lifespan, if the triple image occur on the screen, adjustment should be made and secondly try to measure the 2nd anode by using the high voltage probe
The covergence Ics are mounted on large heat sinks they usually start with STR**** You will need to replace both & check resistors electrolytic capcitors & any circuit protecters on the same pcb as the chips.