Kenwood HD-7 In case of difficulty

HD-7/EN

Knowledge

In case of difficulty

What seems to be a malfunction is not always so. Before calling for service, check the following table

according to the symptom of your trouble.

Operation to reset

The microcomputer may fall into malfunction (impossi-

bility to operate, erroneous display, etc.) when the

power cord is unplugged while unit is ON or due to an

external factor. In this case, execute the following pro-

cedure to reset the microcomputer and return it to nor-

mal condition.

Unplug the power cord from the power outlet, then

while holding the set key on the main unit depressed,

plug the power cord again.

÷Please note that resetting the microcomputer

clears the contents stored in and it returns to condi-

tion when it left the factory.

Amplifier section/Speakers

Sound is not produced.

The "standby/timer" indicator blinks in

red and no sound is output.

The "standby/timer" indicator blinks in

green.

No sound from the headphones.

Sound is not produced from the left or

right speakers.

Power is suddenly interrupted.

The clock display blinks without chang-

ing the figures.

Timer operation is not possible.

RemedyCauseSymptom

÷Connect properly referring to “System con-

nection”.

÷Set the sound volume to an appropriate

÷Switch MUTE OFF.

÷Unplug the headphone plug.

÷Turn power off and re-connect the speaker

cord.

÷Adjust the present time again.

÷Insert correctly.

÷Connect properly referring to “System con-

nection”.

÷Adjust the left/right volume balance.

÷Cancel the A.P.S. function.

÷Adjust the present time referring to “Clock

adjustment”.

÷Adjust the present time referring to “Clock

adjustment”.

÷Set the timer ON time and OFF time.

÷Set the timer OFF time later than the timer

ON time.

÷Refer to "Setting the timer program (PROG.

TIMER)" and select "ON" for "PROG. 1" or

"PROG. 2".

÷The speaker cords are disconnected.

÷The volume control of this set is not ad-

justed properly.

÷The MUTE switch of remote control unit is

switched ON.

÷The headphone plug is inserted into the

jack.

÷The speaker cord is short-circuited.

÷There was a power failure.

÷The power cord was unplugged from the

outlet.

÷The headphone plug is inserted incom-

pletely.

÷The speaker cords are disconnected.

÷Left/right volume balance is not adjusted

properly.

÷The A.P.S. function is activated

÷The power plug was unplugged from the

outlet while the power switch was ON, or

there was a power failure.

÷The present time has not been adjusted or

there was a power failure.

÷The timer ON time and OFF time have not

been set.

÷The same setting is used for the timer ON

time and the timer OFF time.

÷The timer execution was not set up.

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