Support and General Use > Hardware
X5-30gb -- no audio on Line Out jack
hollowman:
--- Quote from: soap on April 28, 2010, 06:11:00 AM ---Consistency on this part is clearly a hardware issue
--- End quote ---
Based on the symptoms I described, I pretty much disagree with you.
It's more likely a firmware issue...codewise, likely at a low level (e.g., "assembly", HEX, or bit level). Are you/anyone aware of a way (utility) of checking bit settings for Line Out? Perhaps via RB's Debug: View I/O mode?
soap:
You reinstalled the iAudio firmware, no?
One of its jobs is to setup all the hardware. "Set the bits".
If you ran with it as you reported and had the same issue you can rest assured that the cause is not firmware setting some register wrong.
Otherwise you are implying an identical bug in both firmwares.
Not to mention nothing that low-level on that target has been touched in the Rockbox source for ages. If there was somehow an issue (which the evidence strongly supports the statement that there is not) it would have been seen before now.
EDIT:
If you feel the evidence does not support this, please lay out an explicit argument - I believe the case is cut and dry, though, but would like to see your reasoning.
hollowman:
--- Quote from: soap on April 29, 2010, 08:25:41 AM ---
If you feel the evidence does not support this, please lay out an explicit argument - I believe the case is cut and dry, though, but would like to see your reasoning.
--- End quote ---
As I've nted since the OP, I noticed the Line Out issue only after first install of RB. Perhaps static electricity discharged during this. RB Install Util. informs one of turning off unit so new firmware can install. The system may be vulnerable during this time.
Llorean:
Seriously, nobody else has this problem with current builds of Rockbox. You can't reproduce the problem on your other player. Putting the other player's build on this player, so that the hardware is initialized the same way, does not resolve the problem.
You've more or less explicitly ruled it out from being a firmware problem by trying a different, known good, firmware already.
If a random static discharge fried your player, that's obviously a hardware problem as well.
hollowman:
--- Quote from: Llorean on April 29, 2010, 03:26:45 PM ---If a random static discharge fried your player, that's obviously a hardware problem as well.
--- End quote ---
Try this: in your X5 or any HD-based PMP, turn your vol. up to as high as you can comfortably take it. Listen while you power up/down, switch tracks. You should be able to hear digital garbage "whistling" noises, in both channels. That's what I still hear from both Line Out and 'Phones, in this PMP and others; therefore, I don't think the hardware was/is damaged as you seem to suggext.
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