TH75E frequency coverage extension
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On looking at the circuit diagram around the CPU I noticed a link marked W1.
I wondered if this link did anything, so I took the rig apart as instructed
in the manual for fitting the TSU6 board, as I have already done.

Looking at the circuit board on the keyboard section lid, I saw W1, an
insulated wire link near the CPU and the diodes D3, D4 (D2 is missing from my
circuit).

I removed the wire link and switched the set on.

It now has extended Rx coverage:
136-169 MHz
390-471 MHz

Phil G0ELM @ GB7NWP

(Downloaded from GB7SYP)