Question about Panasonic SA-XR55 Receiver
Whenever my amplifier is switched on it displays "Speakers are overloaded" and switches off immediately. Any help?? Thanks.
Posted on Aug 22, 2008
Had mine repaired this week with the same problem. It was one of the output transistors. A $16.00 part. Sounding better than ever now. What a great receiver.
Posted on Aug 22, 2008
Hi Thanks for your suggestion. I have tried amp with speaker leads disconnected, but the same problem continues.
Posted on Dec 11, 2007
Either the amplifier protection circuit is kicking in due to a fault, or your speaker wires are shorting. Could also be a fault in a speaker - shorted turns due to overdriving. Check amp with speaker leads disconnected, and if OK, see above.
Posted on Dec 10, 2007
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Posted on Jan 02, 2017
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1. With the receiver in standby, press STANDBY/ON while holding down the SPEAKER IMPEDANCE button.( Each time you do this, you switch between the impedance settings: )
SP 6 OHM - Use this setting if your speakers are rated at 6 Ohms
SP 8 OHM - Use this setting if your speakers are rated at 8 Ohms or more
You are not able to connect speakers with impedence bellow 6 Ohms with this receiver. Becuse the AV receivers impedence range is 6 - 16 Ohms.
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CLIP: red, to the left of each Gain control.
Normal indication: illuminates whenever the amplifier is driven beyond full power. The LED's brightness indicates the amount of distortion. Distortion that causes only brief flashing may not be audible.
During muting, the indicator fully illuminates. This occurs during normal "On-Off" muting.
•Bright red illumination while the amp is being used indicates either thermal muting or a shorted output.
•If the amplifier overheats, the fan will run at full speed, and operation should resume within one minute. Allow the fan to run, and make sure the amplifier ventilation is adequate.
•A shorted or overloaded output circuit will cause excessive Clip flashing and possible overheating.
•If distortion is audible without a Clip indication, the problem is either before or after the amplifier. Check for damaged speakers or overloaded signal source. The amplifier Gain control should be in the upper half of its range to prevent input overload.
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