Kenwood AX-7 In case of difficulty, 83 EN, Resetting the microcomputer, Amplifier section/Speaker section

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.

Resetting the microcomputer

The microcomputer may fall into malfunction (impossi- bility to operate, erroneous display, etc.) when the AC power cord is unplugged while unit is ON or due to an external factor. In this case, execute the following procedure to reset the microcomputer and return it to normal condition.

÷Please note that resetting the microcomputer clears the contents stored in and it returns to condition when it left the factory.

Unplug the AC power cord from the AC wall outlet, then while holding the (POWER) key down, plug it in the AC wall outlet again.

After resetting the microcomputer, the display will show as follows:

Preparations

Amplifier section/Speaker section

Symptom		Remedy
The power does not become ON or channel	÷	Insert the system control cord securely all the way.	9
switching is not possible.
Sound is not produced.	÷	Connect properly referring to "System connections".
		8~@
	÷	Adjust to a required volume.	∞
	÷	Switch MUTE OFF.	∞
	÷ Unplug the headphone plug.
The STANDBY/TIMER indicator blinks in red	÷	A speaker cord is short-circuited. Turn the power off and re-
and no sound is output.		connect the speaker cord.
The STANDBY/TIMER indicator blinks in	÷	Adjust the present time again.	£
green.
No sound from the headphones.	÷	Insert the headphones plug correctly.	∞
	÷	Adjust to a required volume.	∞
	÷	Switch MUTE OFF.	∞
Sound is not produced from the left or right	÷	Connect cables properly referring to "System connections".
speaker.		8~9
The clock display blinks without changing the	÷	Adjust the present time again.	£
figures.
Timer operation is not possible.	÷	Adjust the present time again.	£
	÷	Set the timer ON time and OFF time.	Á

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section Application

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83 EN