Spi Bus Waveform; Tx 1 Khz Tone 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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6-10
SPI Bus Waveform
TX 1 kHz Tone Waveform
September 5, 2008
Troubleshooting Waveforms: ASTRO Digital Spectra Plus VOCON Board Waveforms
Radio Power Up
Trace 1 — U201 — 41 - Data
Trace 2 — U201 — 43 - Chip Select
Trace 3 — U201 — 42 - Clock
Transmitting
1 kHz tone at 85mVrms into microphone
Trace 1 — U402 — 17
6881076C25-E
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Table of Contents
Troubleshooting
