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Old 15th July 2017, 10:14 AM   #371
scooby555 is offline scooby555  Belgium
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Join Date: Jun 2007
Default problems

Hi Quanghao,

i finally completed the dac ,its not working ..........

the display briefly lit up when powered on and thats it
the red led does stay on

any ideas ?
thx
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Old 15th July 2017, 10:33 AM   #372
quanghao is offline quanghao  Viet Nam
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Quote:
Originally Posted by scooby555 View Post
Hi Quanghao,

i finally completed the dac ,its not working ..........

the display briefly lit up when powered on and thats it
the red led does stay on

any ideas ?
thx
try to tell me more and sent image ?

you see the guide for on and off DAC ??

thank
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Old 17th July 2017, 09:04 AM   #373
scooby555 is offline scooby555  Belgium
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Join Date: Jun 2007
no never heard of this guide ? you dont mention it in the manual , i'll reread in case i missed it.

but everything is connected as should
230vac in , 230vac out to transformer for DAC , 2x6vac to DAC pcb , thats it .......

red led stays on , display briefly flashes on and thats it
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Old 17th July 2017, 10:07 AM   #374
scooby555 is offline scooby555  Belgium
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Join Date: Jun 2007
I read again all 14 pages of the manual kit , says nothing special about turn on or off .........

so basically i connect it to mains , and it should work , however my display stays in stand bye mode all the time and wont change ...............

doesnt respond to turning the on/off switch ( rotary encoder )
or remote control

any suggestions .........

when i plug it in the display briefly lights up , text is displayed , then it shuts down ,and that was it
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Old 17th July 2017, 12:01 PM   #375
quanghao is offline quanghao  Viet Nam
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Hi scooby555!

you can see this video :

you use The Remote control with button PWR , put it the DAC on/off.
Or the button on from DAC. thanks

ES9038PRO-Andrea-Quanghao - YouTube
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Old 17th July 2017, 12:27 PM   #376
scooby555 is offline scooby555  Belgium
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Join Date: Jun 2007
my display lights up , says STANBY and then shuts off , the red led stays on....

cannot switch it on like you do on your video

SO WHAT TO DO ?
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Old 17th July 2017, 01:18 PM   #377
scooby555 is offline scooby555  Belgium
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see my video ( it takes me a moment to hold camera and plug in )
VID 20170717 150502 - YouTube

I even tried the 2nd control display board , no change same problem .........

also replaced a suspected failure capacitor on control board , but also no change

so what iam i missing ?

the manual doesnt mention anything aboout switch on procedure ect or reset functions

or use of jumpers
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Old 17th July 2017, 02:08 PM   #378
szczemirek is offline szczemirek  United Kingdom
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scoobie,
Just push the left potentiometer!
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Old 17th July 2017, 02:13 PM   #379
scooby555 is offline scooby555  Belgium
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Join Date: Jun 2007
hahahaha thx , looool

i can now finish it and listen to it :-)

going first for a passive I/V with 68ohm res and transformer
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Old 17th July 2017, 02:30 PM   #380
quanghao is offline quanghao  Viet Nam
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Join Date: Sep 2009
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Quote:
Originally Posted by scooby555 View Post
hahahaha thx , looool

i can now finish it and listen to it :-)

going first for a passive I/V with 68ohm res and transformer
A ha, good!

thanks
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