The Defpom Forum, for RadioMods, S&M Software and Music by The Defpom

Does SSB use audio chip as i have no modulation on SSB, audio RX or TX..?

O.K.. First you need to give us better info.. on the unit
before we can help..Like first of all What is the P.C.B. Number????

It is the common single board. 02A SSB... TP-DN60-HB is all i could see on it.

The Pearce-Simpson Super Panther was never a popular radio, therefore Sch diagrams are hard to come by, this is most likely why you are not getting a answer.

They are two version of the Super Panther Mk1 and MK2 I think its only the MK2 which has the label MK2.

If the PCB is the PTBM048ACOX or the PTBM058COX then check the mode switch as it switches on the RX/TX switching transistors and this is the only common control line used in SSB.

The transistors are Q40 and Q41.
Q40 (TX SW) emitter should be about 8 to 8.5 volts when in the on SSB mode and the collector should be about 8 to 8.5 volts in TX and zero in RX.
Q41 (RX SW) the collector should be about 8 to 8.5 volts when in the on SSB mode and the emitter should be about 8 to 8.5 volts in RX and zero in TX.

I beleve it is the Mk1...this is a very common radio in Australia....Ok.. Replacing the audio chip got the audio working.. but RX on SSB is very low also on SSB TX.. but all good on AM....??????????????