MY UNIT KEEPS SHUTTING OFF AND GOING INTO STANDBY WITH STANDBY LIGHT BLINKING AND EVERY FEW MINUTES WILL TURN OFF. I HAVE HAD THIS UNIT FOR OVER A YEAR AND JUST STARTED DOING THIS OVER THE LAST COUPLE OF WEEKS.. ANY ADVICE?
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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.
The receiver is going into "protect" mode. This means that a problem has been detected and the unit shut down to prevent further damage. Without seeing the unit and taking some internal measurements, it is difficult to provide a complete solution. Typically, the output transistors fail which can cause this. There are other possibilities too. I would suggest that you get a detailed repair estimate from a local shop. With that information, we may be able to walk you through the actual repair.
5 blink indicates - AKB circuit (AKB), the timer/standby indicator blinks for about 30 seconds then goes to the self-diagnosis function. Something is wrong with the video. Check video out, Q705, 732, 761 and other components on the C board, also check Q218, 219, 220 on the A board. Also unit be in IK blanking, try turning up screen slightly.
this is similar to the red blinking lights on the xbox360...it seems your cell processor has overheated resulting in a cold solder joints or worse bridged solder involving the BGA array...I have had some success in fixing these albeit limited. SONY charges 150 plus state tax and sends you a refurbished unit. We fix this for 75
When the Sony shuts down, the standby light shoulb be blinking a repeated count. Can you please post the model number and that count? The count will indicate the circuit that had a problem causing the set to shutdown.