Pioneer VSX-45TX 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 (pages 100–102) and
	rated impedance) is dangerously low.	lower 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 25)
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
The setup screen doesn't	• The output jacks haven't been connected	•	Check all connections (see pages 16-23).
appear.	properly.
	• The TV hasn't been connected to the	•	Connect the TV to the MONITOR OUT
	MONITOR OUT jack.	jacks (see page 16).
	• You connected your TV to the MULTI-	•	Connect the TV to the MONITOR OUT
	ROOM & SOURCE MONITOR OUT jack	jacks (see page 16).
	instead of the main MONITOR OUT jack.
Every time AUTO	• The room environment is not optimal for	• Make sure the room environment is in
SURROUND SOUND SETUP	auto setup (too much ambient noise;	line with the guidelines for auto setup in
is attempted, there is some	obstacles blocking the speakers from the	this manual (see pages 13–14, memos on
kind of error, or the settings	microphone; the monitor noise is interfering	page 15).
seem incorrect.	with the setup; etc.).
The LARGE and SMALL	• There are other frequencies in the room	• Check for household appliances (air
settings for speakers after	that are affecting the auto setup.	conditioner, fan, etc.) that may be affecting
the Auto Surround Sound		the environment and switch them off if
Setup are incorrect.		necessary.
After the proper settings	• The speakers have been incorrectly	• Check all connections. Be sure match
have been made, there still	connected (left and right connections are	the right channel on the speaker with the
seems to be something	reversed).	right channel on the speaker terminals (see
wrong with the sound.		page 25).

EXPERT

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