Sailor RT5022, Workshop Manual

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Functional unit workshop service VHF 5000 System
3-42
0607
Reference Operation/Test Test Criteria Comments/instructions
TIAF-01 Power up radio
Pass:
Activity AF signal
present and – if equipment and
skills are present - receiver
Analog output (audio frequency) from RF
board (pin 1).
Fail:
Otherwise
1)
Bring radio in receiver mode generate
signal on Rx/Tx antenna and check
presence of the AF signal.
Pass:
Activity AF signal
present and – if equipment and
skills are present - receiver
sensitivity measured OK.
Analog output (audio frequency) from RF
board (pin 4).
Fail:
Otherwise
1)
Generate signal on DSC antenna and
check presence of the AF signal.
2)
With use of suitable equipment, the
DSC receiver sensitivity can also be
verified.
Pass:
Modulation signal is
present.
Analog output (audio frequency) from the
baseband board (pin 3).
Fail:
Otherwise
1)
Generate voice signal on any of the
microphone inputs. Verify AF modulation
signal.
2)
The modulation signal can also be
generated with a DSC call transmission
(e.g. via self test menu
5.5
).
Pass:
Test signal received OK
on desired frequency.
Fail:
Otherwise
Pass:
Test signal received OK
on desired frequency (ch 70).
Fail:
Otherwise
Pass:
Modulated test signal
transmitted below frequency
deviation.
Fail:
Otherwise
TIAF-07 Voice transmitter
frequency
Generate a signal on the Rx/Tx antenna.
Modulate the signal to a few test frequencies.
Observe the clear voice data received with
desired sensitivity.
TIAF-06 DSC receiver frequency Generate a DSC call sequence on the DSC
antenna. Modulate the signal to channel 70.
Observe the data is received with desired
sensitivity.
TIAF-04 Voice modulation signal
TIAF-05 Voice receiver frequency
TIAF-02 Voice receiver signal
check
TIAF-03 DSC receiver signal check
Tabel 20 (TIAF) - Transceiver interconnection audio path flow.
3.3 Servicing the HS5001 transceiver handset
The HS5001 VHF transceiver handset comes in a single version. The handset used on the transceivers is
identical for the RT5022 and RT5020.
NOTE
: This handset is not the same as is used with the CU5000 remote control unit.
3.3.1 Manuals
There is no specific operations manual to the handset. Operation of the handset is described in the transceiver
manual.
3.3.2 Service concept – HS5001 tranceiver handset
The passive handset HS5001 may be repaired onboard or in workshop in regards to replacement of the spiral
cord only.
Supported service repairs
This manual will be instructive to do the following repairs on the transceiver unit:
•
Cable