Technalogix TAUD-40, Manual

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X-3
Symptom Possible Fault Correction
Weak output or picture Low level input signal Verify presence and level of
input signal
Low output power Verify power amplifier output
with wattmeter and dummy load
Incorrect modulation depth Adjust to meet specification
High reflected power Incorrect load Ensure amplifier connected to
transmission line
Ensure correct antenna
impedance (50 ohms)
Check antenna tuning and
VSWR. Verify correct cable for
transmission line length
Check all cables for visible
damage (kinks, nicks or cuts)
Check all connectors for poor
connections, water or corrosion
Check alignment of antenna
Check for physical damage of
antenna, including ice build-up