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That set uses a standard tuner; so, no bad ground connections with that one. The larger screen CTC17x chassis TV's used what Thomson called a "tuner on board". That simply means that the tuner is an integral part of the main PC board. The problem came in where the metal shielding that surrounds the tuner was soldered to the chassis. Over time and the heating/cooling process of using the TV, the solder connections would break loose and cause all sorts of problems ranging from a snowy picture, insufficient vertical sweep, no power-up, and eventual corruption of the EEPROM IC. Once the tuner problem was fixed, they were usually decent sets; but, the chassis design was not the best. It wasn't until the CTC203 came along, sometime around '99, that it finally dawned on Thomson that it would be better to go back to using a seperate tuner module that soldered to the chassis. Actually, the first run CTC203's used the integrated "tuner on board" tuner. It wasn't until later that RCA went back to using a seperate tuner.
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