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iriver H320 - slight rumbling HD-noise during recording

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polluxx2006:
hi folks,

i dont know what happened... i opened my h320 twice:
first, i replaced the original, dead battery with a cameron sino
battery for iriver. so far so good... the battery works fine. a few weeks later
i replaced the "hold"-button wirh a new one because it was broken (NOT on the pcb, just the
knob).. and i guess it happened after that action: during recording (from linie in (mic) or radio) , whenever the hard disk is accessed,
the screen is slightly flickering (really hard to see but it is...) and you can hear
a low, rumbling noise from the hd... anyone got an idea..!?? its so strange... :(

thanks
plx

norma023:
hmm, maybe it's time to do the CF Mod to your H320 ?

http://www.rockbox.org/twiki/bin/view/Main/CFModGuide#Bootloader_procedure

That (I would think) should clear this up.

polluxx2006:
hi.... hm, guess what i already bought? - an adaptor from 1,8"pata to cf....
i know about the mod and iull do it sometime. but thats NOT a solution... its workaround.
i mean, if a part of my player's pcb is out of order id like to repair that first, before i switch to cf.
so i posted this thread.

norma023:
yeah maybe, but if your HDD is dying, then the solution for that is to replace it.

Hard to say on your display blinking though......

Chronon:
Maybe something isn't getting contact to ground properly and you're getting a kind of ground loop somewhere.  This can lead to strange floating voltages and might explain the noise you're experiencing (possibly also the screen flickering).  Unfortunately,  I don't have any specific advice other than to open it up and look for suspicious connections (corrosion on traces or contacts, etc.).  I guess the chief suspect would be hard drive contacts. . . It's only a hunch but maybe it will lead somewhere. 

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