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LEDs are abnormal colour and do not go out completely
LEDs are abnormal colour and do not go out completely
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Thank you received: 1
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1 year 1 week ago - 1 year 6 days ago #10229
by Alexander_d
Hi everyone,
I have faced the following problem: LEDs that turn the test cycle (R-G-B-off) work rather strange:
- firstly - they have abnormal colours (red is more to purple)
- secondly, they do not cut off. Instead of complete off all three crystals work 50%, that give some blue light.
Yes, I have examined the manual and cleaned the flux aroud FETs Q3-Q5 It did not help.
Where's the bug?
Thanks!
Last edit: 1 year 6 days ago by
Ian.
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1 year 6 days ago #10231
by Torsten Lang
Alexander_d wrote: Yes, I have examined the manual and cleaned the flux aroud FETs Q3-Q5 It did not help.
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Where's the bug?
Ty, Ian,
are there currently any problems with the forum as I get an access error (see above)? I'm signed in.
Regards,
Torsten
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1 year 6 days ago #10232
by Ian
Thanks Ty. In addition to that: the blue LED is really sensitive and even a smallest current can cause it to glow. I suppose that the 2N7000 is defective.
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1 year 6 days ago #10233
by Ian
Torsten Lang wrote:
Alexander_d wrote: Yes, I have examined the manual and cleaned the flux aroud FETs Q3-Q5 It did not help.
You do not have permissions to access this page.
Where's the bug?
Ty, Ian,
are there currently any problems with the forum as I get an access error (see above)? I'm signed in.
Regards,
Torsten
Hi Torsten: you're not seeing the picture. You have author rights, I'll set you back to normal user for a moment to see if the problem is there.
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1 year 6 days ago #10234
by Ty_Eeberfest
Ian wrote:
Torsten Lang wrote:
Alexander_d wrote: Yes, I have examined the manual and cleaned the flux aroud FETs Q3-Q5 It did not help.
You do not have permissions to access this page.
Where's the bug?
Ty, Ian,
are there currently any problems with the forum as I get an access error (see above)? I'm signed in.
Regards,
Torsten
Hi Torsten: you're not seeing the picture. You have author rights, I'll set you back to normal user for a moment to see if the problem is there.
Ian it seems to be specific to the image in this thread. If I log out I get the same message Torsten is reporting, but uploaded / attached images in other threads appear normally.
Look into it later when the dust is clearing off the crater.
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LEDs are abnormal colour and do not go out completely
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