Motorola ASTRO XTL 5000 Basic Service Manual page 158
Digital mobile radio hf/uhf range 1/uhf range 2/ 700–800 mhz
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Also See for ASTRO XTL 5000:
- Detailed service manual (528 pages) ,
- Basic service manual (170 pages) ,
- User manual (162 pages)
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9-20
Symptom
RF Sensitivity
Poor
Radio Will Not
Squelch
Excessive
Noise in Fading
Conditions
October 30, 2006
Table 9-13. Receiver Troubleshooting Chart (Continued)
Possible Cause
Synthesizer Not On
Frequency/Working
Radio Transceiver
Codeplug
Check Programming for
Correct Bandwidth
Basic Troubleshooting: Receiver Troubleshooting
Correction or Test (Measurements Taken at
Room Temperature)
Check the local oscillator frequency.
See "Reference Oscillator Alignment" on page
Refer to the Detailed Service Manual.
Check the offending channel for spurious activity by
monitoring with a known-good radio or service
monitor.
If possible, remove the offending source (computer,
etc.).
If not, increase the squelch level using the
appropriate radio-programming software.
Reprogram the codeplug with the correct
bandwidth.
6-8.
6871769L01-A
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Troubleshooting
