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Could you swap installs and rule out hardware and confirm software?
From the original post it appears you are running the latest version of Rockbox on a previously unRockboxed X5, and an old Rockbox on another X5.
You are implying something is wrong with current Rockbox because your other X5 (the one with old Rockbox) works fine and the "new" X5 with "new" Rockbox does not.
I am suggesting that it is more likely you have a hardware issue - but the only way to be sure is to put "new" Rockbox on the "old" X5 and copy "old" Rockbox to the "new" X5, then repeat the test.
You may very well be right - but there are multiple possibilities which can not be ruled out until the test I attempted to outline is performed.
I don't see the jeopardy.Simply copy off your current install from the "old" X5 and paste it onto the "new" one. And vise-versa. (copying to a temporary folder will make this easier)If you don't like the results you can reverse the process.You appear to be asking for rectification of an issue which has not been soundly demonstrated to exist. As things stand now there is not strong evidence of anything other than hardware issues. Before you mention again that this problem did not exist before the install of Rockbox on the "new" X5 - I hear you but w/o repeating the situation we very well might be chasing a coincidental hardware issue.
Line-out works for me on my M5 which is very similar to the X5 and especially the audio, processing and line-out hardware is the same (DAC, CPU and subpack). I tested with one of today's builds, revision 25710 to be precise.
Rockbox does not control the line out volume with one exception - a global (headphone) mute will also completely mute line-out, setting the volume one step above the line-out will give its full volume - a bit like on or off. I don't know why this is the case just stating what I see on my player.
If you still want to go back to the original firmware you need to install a Cowon firmware again, i.e. a firmware update by them. This Cowon support page should have all the info you need: How to upgrade iAUDIO X5 Firmware?.
FYI: I did swap the two X5s' HDs, and the orig. muted X5 still presents muted Line Out audio regardless of HD. Not sure what this proves?? After all, RB also flashes firmware, which stays with the unit regardless of HD used.
I uninstalled RockBox and installed the orig. Cowon firmware. Line Out still "dead".
Again, Line Out is not dead. The normal noises, such as the garbage one normally hears when one is skipping tracks, powering on/off, etc., are clearly audible in both channels. Then, as music signal starts, it's as if the Line Out audio signal is deliberately muted. Again, Phones out is unaffected.Any ideas ?? -- I'm just about to call it quits.
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