In the last 37 years I have owned around 10 Lasonic TRC-920's. Far and away the most of a single model of any box in my collection. The first I bought brand new in 1983 at the Saugus Swap Meet in Southern California from Mr and Mrs Chen, the owners of Lasonic when they were working hard...
I have two Lasonic TRC-920's with dead tuner boards.
There are no schematic's for this radio. Does anyone have any idea on the best way to trace my way through a PC board or are there common tuner issues to look for.
What I have figured out:
Both tuners are getting power and have grounds. The...
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