Trouble Shooting - Tokyo Hy-Power HL-350VDX User Manual

Trouble Shooting

Following symptoms are not a sign of trouble.
Please refer to the treatment column for correction.
If you still cannot fix the situation, then please call our distributor or contact us for
further technical advice.
Symptoms
DC Power won't
be turned on.
No output power
is obtained.
Output power is
less than
designed specs.
Causes
1) Power connector
prematurely connected.
2) Power lead prematurely
connected.
3) Wrong polarity connection.
4) Fuse blown.
1) Microphone gain
potentiometer or carrier level
controller of XCVR turned
down to the lowest level.
2) The protection of HL-350V
has tripped.
(WARNING LED is lighting.)
3) Misconnection of input
power.
4) The power switch of XCVR is
not turned on or XCVR is out
of order.
1) The power supply voltage
drops while in transmission.
2) The output power of
Transceiver is less than
needed.
Properly connect it again.
Check it for contact points.
Properly connect it again.
Replace with new one.
Turn the knob to half of the
full level.
Turn OFF the power.
DX
Once the trouble is
corrected, turn ON the
power to have the
protection restored.
Reconnect it properly.
Check XCVR.
Check the voltage in the
transmitting stage.
Check the output power of
XCVR and increase the
output power to the needed
level.
19
Treatments