Kenwood TM-V71A Operation Manual - Page 103

Troubleshooting

Get Kenwood TM-V71A PDF manuals and user guides View all Kenwood TM-V71A manuals
Add to My Manuals
Save this manual to your list of manuals

Page 103 highlights

TROUBLESHOOTING The problems described in this table are commonly encountered operational malfunctions and are usually not caused by circuit failure. Problem Probable Cause Corrective Action The transceiver will not power up after connecting a 13.8 V DC power supply and pressing [ ]. Nothing appears on the display. 1 The power cable was connected backwards. 2 One or more of the power cable fuses are open. 1 Connect the supplied DC power cable correctly (red to + terminal and black to - terminal). 2 Look for the cause of the blown fuse(s). After inspecting and correcting any problems, install a new fuse(s) with the same ratings. The frequency cannot be selected by turning the Tuning control or by pressing microphone [UP]/[DWN]. Memory Recall was selected. Press [VFO]. Most keys and the Tuning control do not function. 1 One of the Lock functions is ON. 2 The transceiver is in Channel Display mode. 1 Unlock all of the Lock functions. 2 With the transceiver power OFF, press [LOW] + Power ON to exit Channel Display mode. Memory channels cannot be selected by turning the Tuning control or by pressing microphone [UP]/[DWN]. No data has been stored in any Memory channel. Store data in some Memory channels. You cannot transmit even though you are pressing [PTT]. 1 The microphone plug 1 Switch the power OFF, was not inserted then insert the microphone completely into the plug until the locking tab transceiver. clicks in place. 2 You selected a 2 Turn the offset shift transmit offset that function OFF. places the transmit frequency outside the allowable range. 3 The external TNC is 3 Press [PTT] after the TNC transmitting. has finished transmitting. 95

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
  • 88
  • 89
  • 90
  • 91
  • 92
  • 93
  • 94
  • 95
  • 96
  • 97
  • 98
  • 99
  • 100
  • 101
  • 102
  • 103
  • 104
  • 105
  • 106
  • 107
  • 108
95
TROUBLESHOOTING
The problems described in this table are commonly encountered operational
malfunctions and are usually not caused by circuit failure.
Problem
Probable Cause
Corrective Action
The transceiver will
not power up after
connecting a 13.8 V
DC power supply and
pressing [
].
Nothing
appears on the display.
1
The power cable
was connected
backwards.
2
One or more of the
power cable fuses
are open.
1
Connect the supplied DC
power cable correctly (red
to + terminal and black to
– terminal).
2
Look for the cause of
the blown fuse(s).
After
inspecting and correcting
any problems, install a
new fuse(s) with the same
ratings.
The frequency cannot
be selected by turning
the
Tuning
control or
by pressing microphone
[UP]
/
[DWN]
.
Memory Recall was
selected.
Press
[VFO]
.
Most keys and the
Tuning
control do not
function.
1
One of the Lock
functions is ON.
2
The transceiver is
in Channel Display
mode.
1
Unlock all of the Lock
functions.
2
With the transceiver power
OFF, press
[LOW] +
Power ON
to exit Channel
Display mode.
Memory channels
cannot be selected
by turning the
Tuning
control or by pressing
microphone
[UP]
/
[DWN]
.
No data has been stored
in any Memory channel.
Store data in some Memory
channels.
You cannot transmit
even though you are
pressing
[PTT]
.
1
The microphone plug
was not inserted
completely into the
transceiver.
2
You selected a
transmit offset that
places the transmit
frequency outside the
allowable range.
3
The external TNC is
transmitting.
1
Switch the power OFF,
then insert the microphone
plug until the locking tab
clicks in place.
2
Turn the offset shift
function OFF.
3
Press
[PTT]
after the TNC
has finished transmitting.