Question about Sony STR-V444ES Receiver
I recently noticed that my SONY STR-V444ES left rear speaker was not working. (Ran a THX optimizer on a DVD.) The speaker and wires are not the problem. Any advice on where to start looking in receiver? I'm of only average competence making repairs. The unit is 8 years old. If I can't easily solve this problem, should I take it to be fixed or shop for new?
I have fixed 3 shorts on my de845. 2 have been caused by cracked solder joints. they were speaker cutout problems...yours most likely is the center channel relay on the main board. take the thing apart. you need to get to the back of the main board and re-flo those solder joints. get your geeky pc buddy and do it together(buy him a sixer). its really not that hard...just a bunch of screws. disconnect everything from the main board including the front plate. be careful with the ribbon cable...mine is hurting at this point. not meant to be removed so many times. put it in straight. my leads bent, but was able to straighten them. there are 5 relays together, one for each channel. they are white cubes and prb a little smaller than the tip of your finger. its the 4 leads on each of these that you want to take a soldering iron to . i'm not sure which ones the center channel so do them all in that area. it may be hard for you to tell which leads they are so just go overboard and at least get everything in the vacinity. i did all component leads because who's to say another's not ready to go bad. you've gone this far. touch the heated up tip to all the leads at the very end of the barb. you can reflow the solder without actually touching it. the metal lead will get hot enough. hold it until the solder liquifies, then let it cool. do this on a flat surface. my other fix once was a re-seating at the speaker switch a,b,a+b on the front plate. there are 2 boards plugged together there. i bent the leads slightly so they seated in more tightly. if your left or right front goes out, sometimes thats an easy fix...try b if you're using a, or the opposite. don't forget the speaker cables. if you're using both zones then you prb already figured out you need to re-flo! test and cross your fingers. good luck.
Posted on Jul 27, 2007
You might have to go into the players setup and select the output and audio stream options. If it is set for PCM only it will not receive the Dolby or DTS signals if you selected them in the DVDs audio selection menu. There may also be a signal select in the Sony receiver to assign the digital inputs to selected units.
Hope this helps
Posted on Jan 01, 2009
I had this problem last night.
To solve it, you can reset the amp by:
1) Put the receiver on stand-by
2) Hold down "MODE" button and press on button
3) "S.F. CLR" appears in the display and surround is back on.
Posted on Feb 10, 2009
discharge the output circuit! If you don't you will blow a 10 ohm resistor every time. I've worked on hundreds of these receivers I know. They need the output circuit soldered at the voltage driver ic's and quite possibly some capicitors replaced on the digital board. The caps mounted near the heat sinks dry up the fastest. These are nice amps. Larry's Electronics Sacramento Ca. firstname.lastname@example.org
Posted on Apr 24, 2010
There's a button that turns the speakers OFF right above the headphone jack.
Get the manual: retrevo.com
Posted on May 21, 2010
Testimonial: "@dunnbiker Very true on assumptions! I've tried everything the manual suggests. Right now, nothing is connected to the unit, but upon power up, I get the SP:OFF display (which is not seen in the DEMO mode). I will try the headphone jiggling idea and see what happens."
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