Trace back the circuit from the Radio connector,
you will find a 10 pf capacitor ties to a 47 ohm resistor, at the bottom of the 47 ohm resistor, you have 22 uf inductor, a 33 pf cap and, a 1N914 Diode which is connected at the SSB delay switch.
1. The 1N914 diode could be bad (blown...