Question about Sony STR-DE685 Receiver

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Switch works but no power

It was a hot day and running for a while. Could it be like i read b4 and the board has flexed over time and probably cracked the solider. Or is their any components that usually go. what are the power supplys like? If it is the power supply what are they worth. hope its the joints and ill run over them myself.

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Re: switch works but no power

Cheak joints again powers only run about 20 25 on ebay less

Posted on Jan 23, 2008

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Pioneer manual repair

You have probably blown an internal fuse.

You may find more information here:

If you are inexperienced in electronics repair,
you should take your unit to the nearest Pioneer service center.

Jul 21, 2014 | Pioneer VSX-815-K Receiver

1 Answer

Power on problem

Sounds like a defective switch.
To check it, with the power cord unplugged from the wall outlet or power strip, use an ohm meter to take a resistance reading across the switch when you press it to the "on" position. If the reading drops to zero, its a good swithch; if you get a high reading- the switch is bad. You may want to press the switch on and off several times while taking the reading to see if you can reproduce the fault. It may even be a loose solder connection to the switch.
Please make sure you run this test while there is no voltage power going into the stereo because serious electrocution and death can occur.

Nov 26, 2013 | Pioneer Vsx 921 K Av Receiver Black

1 Answer

Repair center

need to replace the power button also check your main board for bad solder bad solder is a little ring around the solder point may also look like it is cracked if so resolder them that might help with your problem k

Nov 09, 2013 | Pioneer VSX-917V-K Receiver

2 Answers

My receiver will randomly lose audio output. If I

Sounds like a loose connection. What audio source are you using? If you switch sources, does the other source have the same problem?

Mar 04, 2010 | Mitsubishi M-VR700

1 Answer

Sony STR-DE835, I just got U-Verse and now my receiver makes a lound pop and goes into protected mode. If I turn it on and off about 10 times it will work. It will work fine all day but when I turn it off...

My DE-835 Did the same, even with no speakers connected. My fault was caused by the IC501 chip having cracked solder contacts on the main board. Heating (expansion) and cooling (contraction) causes this to happen in many devices. I reflowed the contacts and it works great. I accessesed the bottom of the board by removing the bottom case panel. Be very careful keeping the solder pads from bridging to adjacent contacts. I could see the cracks easily around the IC pins. Before soldering the contacts applying slight pressure on the chip towards the side, I could turn the unit on without having it go into protect. If you try this, watch out for touching live (power) conductors.

Oct 31, 2009 | Sony STR-DE835 Receiver

3 Answers

I have a technics sa-ax7 receiver and have sudenly lost sound on the right hand speakers.can they still be repaired. What could be the problem. Thanks

1). Look for a blown fuse on back - or inside. I had this similar problem with a Technics SA 5060 (vintage) receiver, and there were 2 separate fuses for left and right channels. One may be blown.
2). Try switching speakers (physically switch the left and right input plugs in their jacks - or wires if no jacks. If the left speaker doesn't work now, there is an issue with the speaker that has no sound. Run an ohm meter on these speakers as well to check them. There should be 8 ohms approximately. If no reading, then your apeaker is probably blown. If you can see a short on ohm meter 0 ohms) then you have a short circuit in your speaker.

Sep 21, 2009 | Technics SA-AX7

1 Answer

DENON 1508 - If i switch on DOLBY PLII I here cracking sound

The Dolby processing IC has failed. The noise you are hearing is digital noise. There is nothing you can do with this other than sending it in for warranty repair. They will change the surround processing board and return the unit to you. Since it is cheaper for them to replace the board, the individual "parts" that failed will never be known. I have changed these in the field before. As a warranty service center we are required to change the IC first. Sending it in to the factory, they will just swap out the board.


Mar 02, 2009 | Denon AVR-1403 Receiver

2 Answers

I own an Pioneer CD tuner XC-L11 with a stereo power amplifier M-L11. Recently it won't switch on with the standby button flashing red. Nothing happens after that and the system doesn't work. Could you...

On the first board (where the power enters) there is a tall 3 pronged switch, if you turn the board over and solder a piece of wire to the 2 outside prongs, you will find that the Amp works normally apart from that the display reads Cd closed when in Cd mode.

Aug 28, 2008 | Pioneer Audio & Video Receivers

2 Answers

My Yamaha HTR-5860 Receiver intermittedly shuts off. When I power it back on it can work fine for an entire day. Some days it needs to be powered on up to tem times. It shuts off without any reason and...

You probably checked already, but I would look for a loose connection or shorted wire; e.g. ground wire, hot wire, in-line fuse, etc. If you don't find a problem, then it is probably shorting inside the unit. It wouldn't hurt to squirt a bit of contact cleaner in and around the buttons and knobs while it's off, work the buttons and knobs to work it in, and give it time to evaporate before you turn it back on.

Hope that helps, good luck.

Mar 05, 2008 | Audio & Video Receivers

3 Answers


I have the same problem.
Is there a solutions besides replacing it?

May 22, 2007 | Mitsubishi M-VR700

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