Question about Sony STR-DE685 Receiver
Posted by Anonymous on
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Posted on Jan 02, 2017
I went through the amp/receiver and used small star washers on all the grounding screws I could find including the one securing the transformer, cleaned dust off all circuit boards, checked output transistors and fuses, all OK.
Re Assembled unit and it worked OK.
I will buy a fan and fan it to avoid sourcing heatsinks for the previusly suggested IC's.
Thanks for the technical help, sure solved my problem.
Posted on Mar 13, 2008
If you need support you can log into:
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Posted on Jun 02, 2008
I had a mechanical problem with the relay on the 1st power supply board. The relay right next to the small transformer. The blac cover for the relay just comes right off. Make sure that the little black plastic piece is still in position (you'll see what I mean when you open it.) and check the contacts on the relay.
Posted on Jan 24, 2009
SOURCE: stuck in protect mode
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 completely.
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 technician.
Posted on May 29, 2009
Tips for a great answer:
Jun 21, 2012 | Sony Str-dh810 7.1-channel A/v Receiver...
It all depends on what's wrong it and if it's worth the price to fix it to YOU, doesn't it? If it's really broken only a tech can look at it and tell you the cost to fix it.
Have you eliminated the individual speakers and cables first? Or looked in the manual?
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