For grins, I took the cover off of the VHF tuner... YIKES! brain surgery is correct! Here is what mine looks like:
I have identified the 4 varactor tuning diodes and painted the tops with red paint... the 5 band switching PIN diodes were factory painted yellow (#5 is barely visible under coil next to blue and red top semiconductors)... the RF transistor (barely visible under tan wire and coil) was factory painted white and the oscillator and mixer transistors are painted blue on the tops. Do we agree?
jr
11-09-2017, 12:35 AM
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