Repair procedures, tests, and adjustments
110 Manpack Transceiver 2110 series Repair Guide
Front panel
screen
All pixels flash
Each key is displayed on
screen when pressed
Backlight on/off
Internal speaker
Basic operation Scan on/off
Calling process
Receive tests
Test Criteria Reading Pass/Fail Action
Basic Receive Audible 1 kHz tone from
0208, –6 dB at full volume
Antenna Tuner AC voltmeter reading
approx. –20 dBm
Sensitivity RF amp on, RF output level
–120 dBm, AC voltmeter
reading > 10 dB
RF amp off, RF output level
–114 dBm, AC voltmeter
reading > 10 dB
AGC RF output level from signal
generator < –106 dBm
Audio Output RF output level –60 dBm
with audible tone from 0208
Waveform that does not clip
and reaches 1.0 V p–p
Selectivity ±1 kHz from SCF, RF
output level from signal
generator –55 dBm, AC
voltmeter reading < 0 dB
±4 kHz from SCF, RF
output level from signal
generator –55 dBm, AC
voltmeter reading < 0 dB
Noise Limiter Faint 1 kHz tone with
buzzing is audible from
0208
Operational tests
Test Criteria Reading Pass/Fail Action
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