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ONKYO DR 90 STANDBY LIGHT FLASHES UNIT WONT START

THE INSTRUCTION MANUEL STATES THE UNIT HAS ACTIVATED THE AMPLIFIER CIRCUIRTY PROTECTOR ! DOES ANYONE KNOW WHY THIS MIGHT HAVE HAPPENED AND HOW CAN I FIX IT ? THERE IS A CD STILL INSIDE THE UNIT WAS SETTING IT UP AFTER HAVING THE UNIT IN STORAGE FOR 2 YEARS.

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Hello sir


if protector activated its means there is shorted speaker connected to your amplifier,try to remove all speaker and turn on your amplifier,then make sure your amp volume is in low position.if the protector is de-activated its means one of your speaker is shorted.then try to find out

Posted on Dec 13, 2008

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1 Answer

Standby light keeps flashing , cuts on and off won't stay on.


Hello Roy, If the unit is turning off when there is nothing connected to it then that means there is an internal hardware issue. This unit would have to go in for service. Thanks, FJD

Feb 17, 2016 | Onkyo Audio Players & Recorders

Tip

What "Protector" means


Quite often a receiver or amplifier will show the message "protection" or "protector". Other times, the unit will return to the standby mode and possibly blink the standby light. This is a protective mode that causes the shutdown of the unit to "protect" it from further damage.

Most modern electronics contain additional circuits that monitor the state of the unit. If a problem is detected, the unit is shutdown and a message of some type is displayed as detailed above. This is done to prevent further damage to either the unit itself or any external speakers or equipment.

Lets determine whether the problem is internal or external:
1) Disconnect any external equipment (speakers are the most common).
2) Power off the unit.
3) Turn it on again (this will reset the protection circuit)

If the protection message clears, the external equipment is the likely cause. Crossed speaker wires is the most common cause. If the unit continues to display the protection message, then the problem is internal and the unit will require service.

The most common internal cause is a failure of the output transistors. These can be easily replaces by an experienced service tech. Some units have complete amplifier sections contained within amp-pacs or large ICs often called STKs. They are so called because the generic part numbers for tehm are often STK-xxx. Panasonic uses large ICs with part numbers that start with SVI as well. If you are experienced with audio repair, a simple check of the transistors and the voltage regulators within the same circuit can often reveal teh cause of the problems.

Hope this helps,

Dan

on Jul 26, 2010 | Audio Players & Recorders

1 Answer

I've got an Onkyo M-282 with one channel that just died. Upon visual exam, there seems to be absolutely nothing wrong with it (the caps are all flat, not puffing, no broken components or smells...).


Likely you blew your outputs Transistors or mos fets, you cannot be sure without ohm meter. usually when one side goes out the protection kick in on both chanels

Tony

Nov 21, 2013 | Onkyo M-282 2-Channel Amplifier

1 Answer

MY SONY HBD-DZ810 HOME THEATER IS CONSTANTLY SHOWING PUSH POWER PROTECTOR


The "PROTECT" and "PUSH POWER" messages will flash alternately when the protective device of the amplifier has been activated because a strong signal was input, or if there is a short-circuit detected. Press the POWER button on the unit to turn off the system, and check the following items after "STANDBY" disappears.

1) Are the + and - speaker cords short-circuited?
2) Are you using only the specified speakers?.
3) Is anything blocking the ventilation holes of the system?

You may also refer to the following link for additional troubleshooting steps.

PROTECT and PUSH POWER flash alternately on the amplifier screen

Dec 20, 2012 | Sony DAV-HDX500 System

1 Answer

Sr576 standby light blinking


Most likely, you have DC Offset(a bad amplifier). The unit is shutting down to protect your speaker system, as well as protect the unit from any further damage. If you require more assistance, or would like to inquire about repairing your Onkyo, please visit my website at audioserviceclinic.com. You may contact me there. Thank you.

Jul 22, 2012 | Onkyo TX-SR576 7 Channels Receiver

1 Answer

I got an Onkyo amp- TX-SR674, don't know why i turn on it but after 2 seconds, it will switch off and standby light is flashing, can many times. Please help


If the stand by red light starts blinking after 4 seconds of switching On it indicates an output short circuit. In all probability one of the Amplifiers output stage is defective and to prevent speaker damage the protection circuit is getting activated in 4 seconds. You will need professional help to fix this.

Sep 11, 2011 | Onkyo Audio Players & Recorders

1 Answer

My receiver will not turn on and the red standby light flashes. What is wrong?


Flashing standby light shows that protection mode is activated in receiver because of some problem in output amplifier section.
Please check output amplifier section and replace defective component to fix the issue.

Jun 17, 2010 | Aiwa AV-DV75

1 Answer

HI we have a Sony HCD-RG444,it wont turn on its as dead as a dodo (but the Standby light keeps flashing)any idears


wonder if the manual says anything on the flashing standbylight? but ill bet the flashing is a protector,which means the speaker amplifier is shorted or dodod. so disconnect the speaker wires first .

Mar 06, 2010 | Sharp XLMP131 Shelf System

1 Answer

Amp protection circuit has been activated


sometimes the protection circuit will enable because of a bad speaker i would suggest taking the load off of it by removing the speaker wires and turning it back on. if it stays on take an ohm meter and check the speakers should be between 2-4 ohms load.

May 01, 2009 | Onkyo A-9555 INTEGRATED DGTL AMPLIFIER...

1 Answer

Onkyo DR-C500 won't recognize discs


Onkyo units as well as several other manufacturers have a common problem where the spindle motor gets intermittant or wont come up to speed.Its not hard to replace this motor, but could be a trick to adjust the platter height. Also the unit probably needs a servo alighnment as well. This unit could also have a simple problem as a dirty laser lens. You can try to use a disc lens cleaner to see if that helps. Good Luck

Jun 24, 2006 | Onkyo DR-C500 Multi-disc DVD Player

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