Serial Audio Port Waveform; Rx Audio Waveform - Motorola ASTRO Digital Spectra Plus Detailed Service Manual
Uhf & vhf 800 mhz mobile radios
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Also See for ASTRO Digital Spectra Plus:
- Service manual (426 pages) ,
- User manual (174 pages) ,
- Instruction manual (114 pages)
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Troubleshooting Waveforms: ASTRO Digital Spectra Plus VOCON Board Waveforms
Serial Audio Port Waveform
RX Audio Waveform
6881076C25-E
Transmitting
1 kHz tone at 85mVrms into microphone
Trace 1 — U402 — 7 - Frame Sync
Trace 2 — U402 — 11 - Clock
Trace 3 — U402 — 13 - Data
Receiving
1 kHz tone at 3 kHz Dev, -47dBm
Trace 1 — U402 — 2
6-11
September 5, 2008
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Troubleshooting
