I have an Emerson model TC1351 that has no vertical or sound. I have found Q407 open and R438 burned and replaced them. Still have horizontal line, no sound and R438 gets HOT! Also replaced vertical IC LA7837.
Possibly the audio output device{s} are shorted? Obliviously there is still an overload causing the fuse resistor to scream out for attention. Also, check the electrolytic capacitors in derived supply, audio, and vertical ckts.
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