Hardware Support Vu+ duo2 motherboard repair
- Thread starter Piotrekop
- Start date
Divinely. Great. And you can ask the administrator why people from Poland are unable to register?
We are waiting until tomorrow.
He probably means U822
Johnny B. wrote back to you and posted my picture of resistors but I don't know what he means ..
We are waiting until tomorrow.
He probably means U822
Johnny B. wrote back to you and posted my picture of resistors but I don't know what he means ..
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John-2k10
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@Piotrekop
As i already had given on my forum, when you sent me a email with your email address and user name you like, then I could create a account for you.
After done, you should receive a email to activate it, and after that you could/should change the password etc.
As i already had given on my forum, when you sent me a email with your email address and user name you like, then I could create a account for you.
After done, you should receive a email to activate it, and after that you could/should change the password etc.
bellejt
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got answer :
Ah, okay how nice of you.
But yes, somehow, some, could not register on this forum, but can read all the postings on the forum.
And I have no real idea why it is.
In that case when he/see like to register then it could sent a email message to me with the email and forum name it like to use, and then I, or also someone else could also create a account.
It will/should receive a email to activate it, and can afterwards change the password etc.
Ah, okay how nice of you.
But yes, somehow, some, could not register on this forum, but can read all the postings on the forum.
And I have no real idea why it is.
In that case when he/see like to register then it could sent a email message to me with the email and forum name it like to use, and then I, or also someone else could also create a account.
It will/should receive a email to activate it, and can afterwards change the password etc.
Thank you all for your help then. I will write to priv regarding the account on . I will inform about the resistance when I receive the message. Maybe it will be useful to someone.
I would like to add that I am replacing all capacitors according to the . I do not recommend anyone to do this. Cruelly difficult and very hard work. If I had known, I wouldn't be doing this.
I would like to add that I am replacing all capacitors according to the . I do not recommend anyone to do this. Cruelly difficult and very hard work. If I had known, I wouldn't be doing this.
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Hi,
I want to ask you for help again. I'm still repairing the Duo2 motherboard. The problem is similar to the previous one, but this time it is not a resistor but a capacitor. I found no capacitor on the board. Designation C820. I attach a picture. Can you help me determine the parameters of this capacitor?
Thanks,
I want to ask you for help again. I'm still repairing the Duo2 motherboard. The problem is similar to the previous one, but this time it is not a resistor but a capacitor. I found no capacitor on the board. Designation C820. I attach a picture. Can you help me determine the parameters of this capacitor?
Thanks,
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Its Johnny's field only he can replyHi,
I want to ask you for help again. I'm still repairing the Duo2 motherboard. The problem is similar to the previous one, but this time it is not a resistor but a capacitor. I found no capacitor on the board. Designation C820. I attach a picture. Can you help me determine the parameters of this capacitor?
Thanks,
I have a problem with the white LED in Duo2. All the voltage in the motherboard is basically the same as given on the "Johnny B" forum, except for a few activated from the processor (Enable). But my bootstrap isn't working. Only the Rs232 port is active. Unfortunately, as my compatriot, I am from Poland and I cannot register on the website of an expert in this field, Johnny B, and ask him what to do next. Could someone from this forum help me with this? Thank you in advance.
Regarding my problems - I observed with an oscilloscope that there is no waveform on the quartz of the 54MHz processor. Should it be that way ? The processor is slightly warm. The current consumption from the external 12V power supply is approx. 0.6A.
Regarding my problems - I observed with an oscilloscope that there is no waveform on the quartz of the 54MHz processor. Should it be that way ? The processor is slightly warm. The current consumption from the external 12V power supply is approx. 0.6A.
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