My Curtis Mathes 27" TV Looses its picture and sound every so often. It seems like a conflict with the front panel A/V out. I tried soldering extra A/V out jacks in the back but that only made the existing jacks a little more reliable.
On the front jacks, it seems as though by tapping the A/V wires/plugs it makes the picture come back.
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This fault is called one color predominant screen. The cause might be to its video output card itself. There will be some loose solder terminals around the Green video output transistor. Check this card for any loose solder terminals. Just re-solder all the suspected solder terminals by applying a little more solder, without making any solder bridge short in between adjacent solder terminals. This card can be located at the neck of the picture tube [a rectangular board], will be directly plugged on to the back of the picture tube.
I own a One-for-All universal remote, and my booklet says the setup code for a Curtis Mathes TV (without a built-in DVD or VCR) is one of the following numbers: 0030, 0047, 0054, 0060, 0093, 0145, 0154, 0166, 0451, 0702. I can not guarantee these numbers will work with your remote, but it is worth a try.