Pioneer VSX-43TX Troubleshooting, Symptom, Cause, Remedy, Expert, Power, During loud playback the

Techno Tidbits & Problem-solving

Troubleshooting

Incorrect operations are often mistaken for trouble and malfunctions. If you think that there is something wrong with this component, check the points below. Sometimes the trouble may lie in another component. Investigate the other components and electrical appliances being used. If the trouble cannot be rectified even after exercising the checks listed below, ask your nearest PIONEER authorized service center or your dealer to carry out repair work.

Symptom	Cause		Remedy
Power
The power does not turn on.	• The power plug is disconnected.		• Connect the power plug to the wall outlet.
	• The protection circuit may have been		• Disconnect the power plug from the
	activated.		outlet, and insert again.
During loud playback the	• The protection circuit has been activated		• Turn down the volume.
power suddenly switches	because the lowest actual impedance of		• When it’s convenient go to ACOUSTIC
off.	the speakers (as opposed to the speakers’		CALIBRATION EQ (page 84–85) and lower
	rated impedance) is dangerously low.		the 63 Hz and 125 Hz equalizer levels using
			MANUAL setting.
The unit does not respond	•	Static electricity caused by dry air.	• Switch the unit off, then on again.
when the buttons are			• Disconnect the power plug from the
pressed.			outlet, and insert again.
During operation, the unit	• The speaker wires are frayed or sticking		• Reinsert the speaker wires, making sure
suddenly switches off.	out of the jack, and are touching the back of		there are no stray strands of wire and that
	the receiver or another set of wires.		they are inserted fully (see page 24)
AMP ERR blinks in the	• The receiver probably has a serious		• Don't try to turn on the receiver. Call a
display and the unit turns	problem.		Pioneer-accredited repair center to look at
off. The STANDBY indicator			the problem.
will blink and the unit
cannot be turned on.
FAN STOP blinks in the	• Something is stuck in the fan and/or the		• Remove the foreign object from the fan.
display and the unit turns	fan is broken.		If you can't do this and/or the fan is broken
off.			call a Pioneer-accredited repair center to
			look at the problem.
OVERHEAT blinks in the	•	The receiver has gotten too hot.	• Turn the receiver off and allow it to cool
display and no sound is			down with good ventilation. It is very likely
output.			that you have a heat dispersal and ventilation
			problem so please follow the instructions in
			“Installing the Receiver” (page 8) carefully.
THDCT NG blinks in the	• The thermistor (temperature sensor) is		• Turn the receiver off, unplug from wall
display and the unit turns	broken.		and call a Pioneer-accredited repair center
off.			to look at the problem.
Setup
After the proper settings	• The speakers have been incorrectly		• Check all connections (see page 24).
have been made, there still	connected (+/- connections are reversed).
seems to be something
wrong with the sound.
No audio
No sound is output when a	•	Improper connections.	• Make sure the component is connected
function is selected.			correctly (see pages 15–22).
	•	Sound is muted.	• Press MUTING on the remote control.
	• The volume is turned down.		• Adjust MASTER VOLUME.
	•	Speakers are turned off.	• Press SPEAKERS (A/B) to select the
			speakers you connected (see page 66).
	•	DIGITAL/ANALOG setting is incorrect.	• Select the proper signal with the SIGNAL
			SELECT button (see page 42).
	•	MULTI CH IN mode is on.	• Turn MULTI CH IN mode off (see page
			50).

EXPERT

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