Question about Sony STR-DE835 Receiver

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My STR-DE835 receiver will not stay powered on

My STR-DE835 receiver now keeps shutting itself off immediately after I turn it on, for no apparent reason, no matter how many times I keep pressing the power button. Could this be a blown fuse?

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  • 336 Answers

Most likely bad output transistors and a couple of resistors. mp1620 and mn2488 are the part #s for the transistors. If you take it to a repair shop you are looking at spending $100-$130

Posted on Nov 16, 2009

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STR-DE835. White noise coming ferom right rear speaker when DVDs are played. Twise the word "PROTECT" has been displayed.


IF any other source plays fine with the RR speaker, and IF it only happens with the DVD player and IF you're using the 5.1 analog audio feeds to the STR, maybe the audio on that channel is **** from the player. You could prove that by temporarily swapping the RR input from the DVD to any other channel input and test it at a medium level.

If it stays with the DVD RR output, the player or the cable would be suspect. Swap in a different cable and make sure it is not routed uniquely near any sources of magnetic fields, motors, UV or track lights, etc.

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If you're using digital input all that advice was a waste of time to create as there is nothing external to the chipset that could affect one input channel. Try a different digital input on the STR.




Jan 30, 2011 | Sony STR-DE835 Receiver

1 Answer

The receiver will be on for a while 5mins.or so, then it will make this loud sound as it goes into protector mode...what is this and how do I fix this. I have it connected to the TV, DVD Player, CD, VHS...


you have speaker wires that are shorting out. unhook all the wires and ohm them out. Find out which one is shorting. I've had this problem before. It's fine until you turn it up, Then the receiver turns off and goes into protect mode. It's just a short in the wiring,.

Dec 08, 2010 | Sony STR-DE835 Receiver

1 Answer

Have a Sony STR-DE635 that keeps blowing the 2 8 amp fuses in the power supply. disconnected all speakers and powered up with same result. Checked bridge rectifier and (2) 10000 uf caps all are good


Have you checked the rails to ground for shorts. Get hold of a variac as it does make things a lot easier.

Sound like you might have some shorted output devices.

Hope this helps
Thanks for using FixYa

Aug 18, 2010 | Sony STR-DE835 Receiver

1 Answer

Sound clicks off Sony STR-DE835 5.1 Channel


THIS UNIT HAS BAD SOLDER CONNECTIONS ON REGULATOR TRANSISTORS,REMOVE BOTTOM AND YOU WILL SEE THE BAD CONNECTIONS.ALSO BE SURE TO RE-TIGHTEN ALL CHASSIC GRD SCREWS AS THIS WILL ALSO CAUSE THE SAME PROBLEM.

Apr 14, 2010 | Sony STR-DE835 Receiver

1 Answer

STR -DE835 no sound


Theres a couple of problems you may have. 1 bad solder connections,you can remove bottom plate and look for bad connections and 2 you may have shorted transistors, however if the protect relay comes on its probly bad connections.

Apr 06, 2010 | Sony STR-DE835 Receiver

2 Answers

Sony STR-DE835 5.1 Channel Receiver When looking at the Sony Service Manual Supplement-1 There are several modifications to receiver does anyone know the reasons for these Mods?


THIS IS NOT A MODIFACTION ,ITS AND ADDITION TO THE ORGINAL SERVICE MANUAL WHERE THEY LEFT OUT THESE PARTS ON THE ORGINAL SERVICE MANUAL.

Dec 04, 2009 | Sony STR-DE835 Receiver

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

1 Answer

Sony STR DE835 center channel issues.


it could be your wire. try using different speaker wire. if it still has that same problem, take the cover off and tap on the amplifier.

Mar 01, 2009 | Sony STR-DE835 Receiver

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