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#1
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I watched the set again today with the Color Sentry ON, like I usually do, and the problem was not present. I wonder if it only happens when Color Sentry is OFF?
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"If you wish to make an apple pie from scratch, you must first invent the universe." -Carl Sagan |
#2
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IIRC, Color Sentry changes the color/tint and other controls to another set of servicer adjusted controls - kind of a "get it back to normal, should the kids mess with it" kinda thing. Most have concentric controls - where you can run a 1/8" shaft straight slot screwdriver into the hollow shaft of the control to access the Color Sentry controls. Some also have the photocell that brightens/darkens the pic when the room lighting is adjusted - that comes on when Color Sentry is on.
Just about every manufacturer did it that way - Motorola had the "Instamatic" button, RCA had the "ACC" or AccuColor" button.....
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Brian USN RET (Avionics / Cal) CET- Consumer Repair and Avionics ('88) "Capacitor Cosmetologist since '79" When fuses go to work, they quit! |
#3
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Quote:
Whatever the cause is, I'm going to be having a solder fest at the CRT neck board as part of the restoration. Last edited by Jon A.; 08-01-2017 at 03:46 PM. |
#4
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IIRC the color sentry put the light sensor on & locked the color tint & contrast.
Again IIRC the presets are separate on these. Marked BL, T & C at the customer controls. This is a Y line set & thats when they introed the double sided control board on the cheap "Custom" series 9-181 sets so it may have one. CHROMATC turns off all the controls & turns on Auto Tint Guard. Controls are through the center of the customer controls. Yes I have seen a few noisy switches on those. This set is a perfect candidate for tapping around lightly to find the problem 73 Zeno LFOD ! |
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