ASTRO Spectra - no deviation

[tvsjr]

I've got an R1 VHF Astro Spectra with an interesting problem. This is a factory mid-power unit with legit tags/codeplug. The radio has essentially no transmit audio, either from mic or from the test tone generated by Tuner. I ran the Dev Limit (which should be set to 2.83KHz) up to maximum, and you can barely hear the tone in the service monitor with deemphasis turned off - about 80Hz of deviation.

I've swapped the command board with no change. Other than no deviation, the radio is perfect - hot receiver (0.14uV to break squelch), rated power out, no frequency drift.

Any thoughts on where to go from here?

[The Pager Geek]

Swap the vocon. All the audio (test or actual) is generated by the DSP on the vocon. If that's not it, the RF board is having fun with you....

tpg