DBP 2010 polarity of Transistor
Abdou13:
Can any one Help me Please I have cheked Every IC any Transistor I can't understand whay it doesn't work :'(
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AK48:
show us a video of your MD and explain what is your problem with your Delta Pulse
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jhjh:
were the ic cd4066,,and look ate the transistor 2n3773 has pulse
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AK48:
to examine the issue , we must see pics and video of your delta pulse
Posted on: September 09, 2022, 06:49:12 amto examine the issue , we must see pics and video of your delta pulse
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Abdou13:
thank you Guys for responce, I built another one withe one PCB and i gett the same problem i have cheked every Part witch LC meter befor soldring, only the potentionmeter P5 work , else nothing work , I have checked the Voltage in input and output of all IC they all looks good ? all the component is Original ,i have 10 pics of every part , there is 0 Voltage in the output of coil , i think that LF357n SMD is not good quality ;
Notice (i don't have 25k potentiometer) i have placed 50 k with another resistor to get 25 k ; i use its as Voltage divider
What else [idiot] C10 and C5 is two of 6 nF or two of 12 nf ; that means 12 nf or 24 nf ?
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nickel_n:
the pcb looks very poor.
looks like that some of the copper tracks are broken
try a continuity test on ALL tracks first
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Abdou13:
I have tasted all the track,,, yeah it,s look very poor in the this Picture ,but in the real all the tracks are fine
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nickel_n:
here is a link to the original schematics first posted on the forum
check and compare with what you have it may help
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Abdou13:
Yes bro it's the same schematic, but I used a version of one cart pcb,,, what abut c10 and c5 ,,it's 12nf or 24 nf?
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nickel_n:
good for you if its the same
as per parts list
C5 12nf styroflex C10 12nf keramisch
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