User's Manual

17/21
 IF IC U8 problem.

VCO circuit problem.
-. Rx sensitivity is weak

Antenna mounting problem.

Receiver front-end circuit problem.

Local oscillation frequency deviation.
 FL1,FL2 SAW filter fail.
 VCO circuit problem.
-. Squelch does not work
 IF IC U8 problem.
 Control logic circuit problem.