Dec 28 2008, 08:06 AM
QUOTE(Termophilus @ Dec 28 2008, 02:29 AM)
Hi, I need some technical help from you guys..
Ive been trying to fix a problem with false contact in the decoupling caps area, and messing around with one of them, Ive touched with one leg the heathsink of a voltage regulator wich is under it (I did it with when the dac was running).
I think of a short circuit that burned something, maybe the voltage regulator (lm317) or maybe something else, because the sound now is so low that I can barely hear something at max volume of my amp. My uncle, which is an electrical technician, told me that a schematic will help to find out what could have happened, and if other components have burned. If someone can give me some tips about, even suppositions, or know if a schematic of the zero exists, please tell me!
Thanks a lot!
there isnt any schematic due to commercial products with rights.Ive been trying to fix a problem with false contact in the decoupling caps area, and messing around with one of them, Ive touched with one leg the heathsink of a voltage regulator wich is under it (I did it with when the dac was running).
I think of a short circuit that burned something, maybe the voltage regulator (lm317) or maybe something else, because the sound now is so low that I can barely hear something at max volume of my amp. My uncle, which is an electrical technician, told me that a schematic will help to find out what could have happened, and if other components have burned. If someone can give me some tips about, even suppositions, or know if a schematic of the zero exists, please tell me!
Thanks a lot!
what u can do is measure the power supply voltage at the 317 and 117 terminal. u should get +15 and -15 volt. becareful not to short it.
This post has been edited by ccschua: Dec 28 2008, 08:07 AM
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