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Unplug the unit , leave it unplugged, after an hour remove the top cover, look for a fuse near where the power cord enters the unit
. it will be near the power transformer and labeled F1 they are usually 4.5amp 125/250v. the reason for powering the unit down and leaving it off is to let the power capacitors bleed off.some fuses are in holders and some solder in. Hope this helps. If the unit has a bar code anywhere on it you can read the bar code with an app for cell phones and get all the info there. Also try schematicsunlimited.com
When the unit functions correctly, you should hear 2 clicks. The first is the power relay that "starts" the unit. The second is the speaker protection relay that will kick in the speaker connection. If you do not hear the second click, the unit is in protect mode. This means that a problem was detected in the amp section and the unit is prevented from connecting the speakers. This is done to prevent further damage. Typically the output transistors fail and cause this. Expect a parts cost in the $25-$50 range for this repair.
Protet mode is a special diagnostic mode that starts when a fault is detected.
When in protection mode the unit is prevented from starting by protection circuit, so to prevent further damage.
Check the speakers and speakers wiring, a contact in speaker wires, or faulty speakers can send the unit in protection.
Try unplugging power cable for one hour or so. then connect cable back
and see if you get rid of protect state. Sometimes accumulation of
electrostatic charges inside circuit capacitors can kick in protect
mode. In that case unplugging the unit from main for some times can get
rid of electrostatic charges, and reset circuits by draining power
If that was the problem, you will not get Protect when plugging back power cable.
If you do all the above and still get Protect, then there is a real fault.
In that case the unit may be disassembled and tested to find the fault.
If that is the case I suggest contacting the manufacturer at the number
listed on the owners manual, or asking a quote on repair to a local
You cannot disable it. It is meant to protect the unit from producing more power than it is designed to. When you turn it on, turn the volume all the way down. Beyond that consult the back of your manual for trouble shooting and service information.
I am experiencing a simular problem; amber light stays on ; no other lighting appears. this occured after leaving the avr in standby mode for a long time. I even tried to reset the unit as stated in the last page of manual after the trouble shooting advice - still no response - good luck!