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Did you say CTC177? Sorry for not getting back to you sooner. Are you familiar with the legacy of these sets? It is a microprocessor controlled set. May have been the first. The tuner shields get noisy and corrupt the EEPROM data. AND it might do anything after that!. MAY not even turn on. I usually start at the EEPROM. I install a socket and put in a known good EEPROM. You should first re-solder the tuner shield on the bottom of the circuit. A CTC177? Does it have PIP and stereo? Sweet. You should probably obtain the training manual. It was printed in 1993 so it's legacy technology by now! Might be able to download it from Electrotanya.
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03-13-2026, 03:22 PM
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