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Review: ZERO 24 BIT/192KHz DAC/Headphone Amp/Pre-Amp - Page 94

post #1396 of 9226
2/9/08 at 3:30pm
Thread Starter 
I had another thought as well. Somewhere back in this thread, someone had contacted Lawrence and he stepped them through using the built-in reset. I don't remember who it was, but I remember the story. Have you tried anything like a reset with it yet? Also, are all the red lights lit on the mainboard and headboard? Thanks!
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post #1397 of 9226
2/9/08 at 3:35pm
Quote:
Originally Posted by Penchum View Post
I had another thought as well. Somewhere back in this thread, someone had contacted Lawrence and he stepped them through using the built-in reset. I don't remember who it was, but I remember the story. Have you tried anything like a reset with it yet? Also, are all the red lights lit on the mainboard and headboard? Thanks!


Yes all red lights are ligthing, i have tested the reset button. There's two buttons the other is mute i think?
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post #1398 of 9226
2/9/08 at 3:38pm
Thread Starter 
Quote:
Originally Posted by davve View Post
Yes all red lights are ligthing, i have tested the reset button. There's two buttons the other is mute i think?
Ok, that sounds right. I don't know the procedure for doing a "reset", other than just pushing it.
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post #1399 of 9226
2/9/08 at 3:47pm
The previous post #563 mentions the reset process as presented by Lawrence to Krendopolis:

Quote:
Originally Posted by Krendopolis View Post
The headphone output IS the preamp output. If you connect to the rca output on the zero it is like connecting to your cd/dvd player. At that point you are just using the zero as a dac, not a preamplifier (not that there is anything wrong with that). If you want to use it as a preamp you need a cable to convert from the headphone jack to rca inputs on your amp (most likely). That same cable is what most people would be using to connect their computer to their stereo or to convert any headphone signal to stereo rca and costs only a few dollars. Not trying to offend anyone if that seems too basic to be posting here. I was going to buy a nicer cable just for that purpose before my zero stopped functioning Lawrence has contacted me, unfortunately his ideas are things I've already done: ie push the reset button on the inside, leave the unit unplugged for a day to see if the caps discharge and it resets itself. The unit seems to function fine as far as powering up, switching inputs etc but bottom line no sound.
Evidently Lawrence recommended pushing the reset button on the inside board and unplugging the unit for a day to discharge the caps.

It is worth a try if you have the time.
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post #1400 of 9226
2/9/08 at 3:50pm
Quote:
Originally Posted by edguetzow View Post
The previous post #563 mentions the reset process as presented by Lawrence to Krendopolis:



Evidently Lawrence recommended pushing the reset button on the inside board and unplugging the unit for a day to discharge the caps.

It is worth a try if you have the time.
Thanks i will test it. Seems he got the same problem like mine? did he got it fixed?
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post #1401 of 9226
2/9/08 at 3:50pm
Thread Starter 
Quote:
Originally Posted by edguetzow View Post
The previous post #563 mentions the reset process as presented by Lawrence to Krendopolis:



Evidently Lawrence recommended pushing the reset button on the inside board and unplugging the unit for a day to discharge the caps.

It is worth a try if you have the time.
Great! Thanks for finding it.
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post #1402 of 9226
2/9/08 at 3:53pm
BTW, I am just curious but did you notice a smell coming from your Zero when the accident occurred?

Often you will smell something burning briefly if there is an electrical short of some sort in the component. This might indicate that you have a board problem and may not be something a reset would fix.

With all red lights on the board being lit, my hope is that there is an easy fix for you!
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post #1403 of 9226
2/9/08 at 4:04pm
Krendopolis was a new hi-fier and only had 6 posts. He has not posted since the end of the year and last indicated that he was sending the unit to Lawrence to have it repaired. he has not posted since so we don't know the results.

Could try to pm him and ask about it.
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post #1404 of 9226
2/9/08 at 4:09pm
Thread Starter 
Quote:
Originally Posted by edguetzow View Post
Krendopolis was a new hi-fier and only had 6 posts. He has not posted since the end of the year and last indicated that he was sending the unit to Lawrence to have it repaired. he has not posted since so we don't know the results.

Could try to pm him and ask about it.
Ow, I remember him! He was having a heck of a time. Driving something other than headphones with the headphone amp as I recall. He pretty much killed his unit and no one could help him. I hope he got a replacement!!
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post #1405 of 9226
2/9/08 at 5:36pm
Quote:
Originally Posted by edguetzow View Post
BTW, I am just curious but did you notice a smell coming from your Zero when the accident occurred?

Often you will smell something burning briefly if there is an electrical short of some sort in the component. This might indicate that you have a board problem and may not be something a reset would fix.

With all red lights on the board being lit, my hope is that there is an easy fix for you!
I didn't smell anything, but i'm gonna take out the mainboard and sniff on it!
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post #1406 of 9226
2/9/08 at 6:05pm
I took a moment and pm'ed Krendopolis explaining that we would like to hear about his situation and would like to know the result in order to try and help you with your problem.

Hope he replies!
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post #1407 of 9226
2/9/08 at 7:34pm
Thread Starter 
Quote:
Originally Posted by edguetzow View Post
I took a moment and pm'ed Krendopolis explaining that we would like to hear about his situation and would like to know the result in order to try and help you with your problem.

Hope he replies!
Great! Thanks! He may have some additional insight.
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post #1408 of 9226
2/9/08 at 7:48pm
Mines not behaving wel either, that aside, I did notice that if I push the preamp button now (to light up the Phone LED) the volume to my LittleDot MKV is adustable with the volume on the Zero, it didnt do that before, only since I have installed the LT1364's
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post #1409 of 9226
2/9/08 at 7:55pm
Here's som pics! one of the chip got some soldering on it. I don't know if everything seems okay.










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post #1410 of 9226
2/9/08 at 8:00pm
Thread Starter 
Quote:
Originally Posted by mp101 View Post
Mines not behaving wel either, that aside, I did notice that if I push the preamp button now (to light up the Phone LED) the volume to my LittleDot MKV is adustable with the volume on the Zero, it didnt do that before, only since I have installed the LT1364's
That's a new one for sure! What happens when you power off and power back up? Does it reset itself to normal behavior?
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