Question about Sony DAV-S400 System
My system keeps turning off normall 5.1 output and activating the headphone output, as if it thinks there is headphones connected but there isn't. this problem occurs very frequently. it either starts in the headphone output mode or it plays normally for about 30 seconds and then changes to headphone output. Please help.
Also i can add that when it is in headphone output mode and if i plug in headphones i do get audio output from my headphones.
Just had and fixed the same problem that hundreds of people are suffering with this system!!
Sony DAV s400 - same problem, won't play though speakers and display indicates that headphones are plugged in - when they are not. Fairly easy to fix and took me less than an hour from start to finish:
1) Remove top cover
2) Remove circuit board that has Audio In/Out phono scockets (to get access to Amplifier Circuit Board)
3) Remove Amplifier circuit board (has the speakers attached)
4) Turn it over and remove copper heat shield
5) Resolder joints where the big brown capacitor is and where the wires go to the front headphone socket...and any other dodgy joints that you find
Posted on Apr 27, 2009
Please change Headphone jack or headphone board because sensor switch built in headphone pin is sending wrong signal to system control so unit switch to headphone output.
Let me know if you need headphone pin or board part number.
Posted on Feb 03, 2009
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Posted on Jan 02, 2017
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