8.TROUBLESHOOTING

If you think that something has gone wrong with your unit, check out the following points before requesting servicing.

 

Problem

Cause

 

Measure

 

Power does not

Fuse is blown.

Replace with a fuse of the same amperage. If the

 

turn on.

 

fuse blows again, consult your store of purchase.

 

(No sound is

 

 

 

 

 

 

 

 

 

 

produced.)

Incorrect wiring.

Consult your store of purchase.

 

 

 

 

 

 

 

Nothing happens

The microprocessor has

Turn off the power, then press the reset button for

 

when buttons are

malfunctioned due to noise,

about 2 seconds with a thin rod.

 

pressed.

etc.

Note: When the reset button is pressed, turn off the

 

Display is not

 

ACC power.

 

 

 

 

 

 

accurate.

 

 

 

 

GENERAL

 

 

 

 

 

 

 

 

The Reset button

 

 

 

When the reset button is pressed, frequencies of

 

 

 

TV, etc. stored in memory are cleared.

 

 

 

 

 

 

 

The remote

Direct rays of the sun fall on

When direct rays of the sun fall on the light-receptive

 

controller does

the light-receptive part of the

part of the remote controller, it may not work.

 

not work.

remote controller.

 

 

 

 

 

 

 

 

 

 

 

The batteries of the remote

Check the batteries of the remote controller unit.

 

 

controller unit are dead or

 

 

 

 

 

there is no battery in the

 

 

 

 

 

remote controller unit.

 

 

 

 

 

 

 

 

 

English

s’Owner manual

TB741P/TB742P/TB743W 17