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

Page

Ref.

 

 

 

The transceiver will not power

1 The power cable was connected

1 Connect the supplied DC power cable

5, 6

up after connecting a 13.8 V

backwards.

correctly:

 

DC power supply and pressing

 

Red ( + ); Black ( – ).

 

the PWR switch. Nothing

2 One or more of the power cable fuses

2 Look for the cause of the blown fuse(s). After

7

appears on the display.

are open.

inspecting and correcting any problems, install

 

 

 

a new fuse(s) with the same ratings.

 

 

3 The modular plug cable was not

3 Correctly connect the modular plug cable

4

 

correctly connected.

between the front panel and main unit.

 

 

 

 

 

The display is too dim, even

The supply voltage is too low.

The supply voltage requirement is

though you selected a high

 

13.8 V DC ±15% (11.7 V to 15.8 V DC).

 

dimmer level.

 

If the input voltage is outside this range, recharge

 

 

 

your battery, adjust your regulated power supply,

 

 

 

and/or check all power cable connections.

 

 

 

 

 

The frequency cannot be

Memory Recall was selected.

Press [VFO].

15

selected by turning the Tuning

 

 

 

control or by pressing Mic

 

 

 

[UP]/ [DWN].

 

 

 

Most buttons/keys and the

One of the Lock functions is ON.

Unlock all of the Lock functions.

67

Tuning control do not

 

 

 

function.

 

 

 

Memory channels cannot be

No data has been stored in any memory

Store data in some memory channels.

36

selected by turning the Tuning

channels.

 

 

control or by pressing Mic

 

 

 

[UP]/ [DWN].

 

 

 

22

88

Page 94
Image 94
Kenwood TM-D700A, TM-D700E instruction manual Troubleshooting, Problem Probable Cause Corrective Action