Functional unit workshop service VHF 5000 System
3-34
0608
(HSC-01)
Secure handset
(HSC-02)
supply?
(HSC-03)
Hook?
(Replace)
Replace BB
Test Flow
Terminated
40455
(HSC-04)
Earpiece?
(HSC-05)
PTT?
Passed
Passed
Passed
Passed
Passed
Failed
(SMPS-flow)
power supply
Failed
Failed
Failed
Failed
(HSC-05)
Microph?
connector screw
switch mode
(Base band
board)
(TIC+TIAF-
Transceiver
flow)
(Replace)
Replace BB
(Base band
board)
(TIC+TIAF-
Transceiver
flow)
(HSC-01)
Secure handset
(HSC-02)
supply?
(HSC-03)
Hook?
(Replace)
Replace BB
Test Flow
Terminated
40455
(HSC-04)
Earpiece?
(HSC-05)
PTT?
Passed
Passed
Passed
Passed
Passed
Failed
(SMPS-flow)
power supply
Failed
Failed
Failed
Failed
(HSC-05)
Microph?
connector screw
switch mode
(Base band
board)
(TIC+TIAF-
Transceiver
flow)
(Replace)
Replace BB
(Base band
board)
(TIC+TIAF-
Transceiver
flow)
Fig. 19 (HSC) - Handset connector verification flow.
Reference Operation/Test Test Criteria Comments/instructions
The 9-pole DSUB cable connector is fixed
to the transceiver using the corresponding
screws.
NOTE:
Refer to the installation section for
connector pin ratings.
Pass:
Measure 5V between
pins 4 and (3,5,9).
Fail:
Otherwise.
Pass:
Audio is routed to
earpiece or PTT can control
the Tx indicator on the
transceiver – only if the
handset is hooked-off. None
Fail:
Otherwise
Pass:
Earpiece sound
available using scenario in
HSC-03.
Fail:
Otherwise
Pass:
Tx indicator on
RT50XX is lit if PTT is
Fail:
Otherwise
Pass:
Tone is transmitted on
VHF channel.
Fail:
Otherwise.
HSC-06 Handset microphone test Apply a signal to the microphone input or
use handset.
HSC-04 Earpiece sound Assure earpiece level is set correct on the
transceiver via menu
4.3.1.
HSC-05 PTT function Hook-off is required.
HSC-03 Hook on/off Turn down squelch to receive voice.
HSC-01 Secure handset connector
HSC-02 Verify supply voltage
Tabel 15 (HSC) - Handset connector verification tasks.