Kenwood TH-G71A User Manual - Page 50

Troubleshooting - review

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TROUBLESHOOTING 1 The problems described in this table are commonly encountered operational malfunctions. These types of difficulties are usually caused by improper hook-up, accidental incorrect control settings, or operator error due to incomplete programming. These problems are usually not caused by circuit failure. Please review this table, and the appropriate 2 section(s) of this instruction manual, before assuming your transceiver is defective. 3 Note: Unmodulated carriers may be received due to internal frequency relationships. 4 Problem Probable Cause Nothing appears on 1 Low supply voltage 5 the display when the transceiver is 2 If using the optional DC cable: 6 switched ON, or the a) Bad power cable or connections display is blinking 7 ON and OFF. b) Open (blown) power supply fuse 8 Most keys and the 9 Tuning control do not function. 10 1 Transceiver Lock is ON (Key icon is visible). 2 The transceiver is in Channel Display mode. 3 Tone Alert is ON (Bell icon is visible). 11 Memory channels There is no data stored in any of the 12 cannot be recalled. memory channels. You cannot select The current frequency step size needs to 13 the exact desired be changed. frequency using the 14 Tuning control. Corrective Action 1 Recharge the battery pack or replace the batteries. 2 a) Check the power cable and connections, then correct/replace as necessary. b) Investigate the cause for the open fuse. Replace the fuse. 1 Press [F] (1 s) to switch OFF Transceiver Lock. 2 Press [BAND]+ POWER ON to exit Channel Display mode. 3 Press [F], [7] to switch OFF Tone Alert. Store the desired frequencies in memory channels. Select the appropriate frequency step size. Page Ref. 3, 43 47 - 37 22 38 18 40 15 44

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TROUBLESHOOTING
The problems described in this table are commonly encountered operational malfunctions.
These types of difficulties
are usually caused by improper hook-up, accidental incorrect control settings, or operator error due to incomplete
programming.
These problems are usually not caused by circuit failure.
Please review this table, and the appropriate
section(s) of this instruction manual, before assuming your transceiver is defective.
Note:
Unmodulated carriers may be received due to internal frequency relationships.
Page
Ref.
Problem
Probable Cause
Corrective Action
Nothing appears on
the display when the
transceiver is
switched ON, or the
display is blinking
ON and OFF.
1
Low supply voltage
2
If using the optional DC cable:
a)
Bad power cable or connections
b)
Open (blown) power supply fuse
1
Recharge the battery pack or
replace the batteries.
2
a)
Check the power cable and
connections, then correct/replace
as necessary.
b)
Investigate the cause for the
open fuse.
Replace the fuse.
3, 43
47
—
Most keys and the
Tuning
control do
not function.
1
Transceiver Lock is ON (Key icon is
visible).
2
The transceiver is in Channel Display
mode.
3
Tone Alert is ON (Bell icon is visible).
1
Press
[F] (1 s)
to switch OFF
Transceiver Lock.
2
Press
[BAND]+ POWER ON
to exit
Channel Display mode.
3
Press
[F]
,
[7]
to switch OFF Tone
Alert.
37
22
38
Memory channels
cannot be recalled.
There is no data stored in any of the
memory channels.
Store the desired frequencies in
memory channels.
18
You cannot select
the exact desired
frequency using the
Tuning
control.
The current frequency step size needs to
be changed.
Select the appropriate frequency step
size.
40