Hi U need to re-solder the headphone socket that connects to headphone jack at the front of the DVD player, once u have done this, it will work i had the same problem for ages till i found out the solution good luck
I can confirm that this seems to be a commen fault. I have just fixed the same problem on a friend's machine, There seems to be a number of dry solder joints on the power board - the one that the speaker connectors are attached to. The big smoothing capacitor on this board was loose, but the 'H.P.' related displays were solved by resoldering all the joints on the base of the headphone connector plug. Follow the lead from the front panel headphone socket back to the power board and you'll find it.
You will need to remove the 2 screws from the back panel either side of the speaker connectors, also the ones holding the metal screening enclosure halfway down this board in order to ease it away. Also disconnect the connector from the main power supply board on the left. The board can then be inverted so you can get at the solder side. There is also a copper plated sheet under the board: this is stuck on with adhesive pads and can be easily prised off. Carefully remake the solder connections with a small soldering iron. I also remade all the relay connections as well, as it seems all the larger-wired components didn't seem to be particularly well tinned. You'd think that somebody like Sony would have got the hang of something as basic as soldering by now.
I just wonder how many people have bought these, and other Sony stuff, over the years only to have them fail. Have Sony ever acknowledged their culpbility in such shoddy work, or quietly just let the hapless consumer pick up the tab?
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The DVD Upgrade is an advanced modification to your DVD player, which adds extra features and enables you to get more from your machine. The upgrade supplements the DVD player and in no way harms the playback quality or removes any performance features of the machine.
The following DVD players are supported by this version of the DVD Upgrade:
Sony DAV-C700 Sony DAV-S400 Sony DAV-S500 Sony DAV-S800 Sony CMT-S9D
Macrovision & CGMS disable
All DVD players have a system called Macrovision built in to the player, which is designed to stop the copying of DVD discs to video. However, this system can have adverse affects on some projectors. For this reason the DVD MOD Upgrade disables Macrovision to solve any problems.
Put your player into „Standby“ Mode and enter one of the following commands if necessary:
Remote control command Function  [ENTER] Default Default region code on the player  [ENTER] Region 1  [ENTER] Region 2  [ENTER] Region 3  [ENTER] Region 4  [ENTER] Region 5  [ENTER] Region 6  [ENTER] Region 7  [ENTER] Region 8 [Arrow down] [ENTER] Only play DVDs with the selected region; auto switching OFF [Arrow up] [ENTER] Default Auto switching ON [PREV I<<] [ENTER] Enable video interference impulses (Macrovision ON) [NEXT >>I] [ENTER] Default Disable video interference impulses (Macrovision OFF) [Arrow left] [ENTER] Enable user operation prohibitions* and access restrictions [Arrow right] [ENTER] Default Disable user operation prohibitions* and access restrictions
* The DVD can no longer prohibit you from using the fast-forward, chapter change or Audio-/Subtitle-/Angle switch. You can no longer be forced to watch intros. Just press [TITLE] or [DVD MENU] and select PLAY.
Dont know how old this question is but came across it so thought i would offer up some assistance.
the way that i would recommend is using a digital optical cable to join the bluray to the home theatre system (this offers the best quality sound) and then you simply change the audio input on your sony. you can get a decent cable for around £10 online.
Hope this helps,
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 6) Reassemble.
In my case, I followed the advice of others and took the thing apart. On the main amp board there is a large brown capacitor. Mine had come completely loose, so I soldered it back in place with a good amount of solder to make sure the contacts were ok. I also dabbed some solder on the headphone connectors on the same board (just follow the wire from the headphone socket to the board). Well, when I put it back together and tried it again everything worked perfectly, and it has so far remained free from the error. Hope that helps !
The protect message indicates that a problem was found in the output stage of the amplifier. Unless this gets repaired, nothing will work. As a verification that the speakers or the wires are not the problem, unplug all of the speakers and try again. If protect still is displayed, the problem is inside the unit.
I think the first step could be to find out between the DVD player and the disc which one has a problem.If the DVD Player is able to play other discs then it is possible the problem is with the disc only. If that disc can be played quite alright in other DVD players then the problem is with your DVD Player. I suggest you trial that first. I think the indication of " No disc insert disc" could be that your DVD Player is failing to load or read the disc either because the disc has some scratches or because your DVD Player lens are not powerful enough.