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Offline xavier
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« Reply #720 on: July 07, 2012, 01:25:32 pm »
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No pin 4 and pin 8 are the positive pins. From 5v to 18v pin 1 is the negative pin

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So many questions so little time

Offline apocalypto
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« Reply #721 on: July 08, 2012, 08:42:38 am »
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Hi XAVIER
 
1) i removed the 2 ICs (TL062 and NE555) , when i mesure voltage at pin 1, 4 and 8 of NE555 connexion i got (-6,8 V for pin 1) , (5,4 for pins 4 and Cool .
3) I put the TL062 i got the same results of 2)
4) when I put NE555 i got (-2 V for pins 4 and Cool  and (-6,8 V for pin 1)
cordialy


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Offline japanese
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« Reply #722 on: July 08, 2012, 09:10:35 am »
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Hi apocalypto

you must use a magnifying glass!!!!!!!!
bad pcb
Mistake is clear
you must measurement +12v between c31 =10000uf+,- Equal to between pin4,8
And  pin1 .

Mistakes are terminals to develop measurement Because there is an  a virtual GND=REF
In the case of lm555 Only
The negative terminal of the black color in -  (pin1).
The positive terminal of a red color in +  (pin4,8).
if not Maybe the battery are damaged
-------------
Other like D5 (TL062)
The negative terminal of the black color in -  (virtual GND=REF)

best time

j.

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Offline apocalypto
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« Reply #723 on: July 10, 2012, 03:48:14 am »
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Please can anyone post the last updated dualside PCB of delta pulse
Cordialy

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« Reply #724 on: July 10, 2012, 07:02:39 am »
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Hi apocalypto
no updated dualside PCB of delta pulse
best time
j.

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« Reply #725 on: July 11, 2012, 02:59:42 am »
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Please i need a link of dualside pcb of delta pulse ( a tested and worked PCB Smiley  )
Cordialy

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delta pulse
« Reply #726 on: July 12, 2012, 06:41:45 pm »
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hi
i need help in my delta pulse  i have some problem i need help and  if any one here from egypt make this is circuit please tell me
and thanks

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golden metal detector
« Reply #727 on: August 01, 2012, 04:02:18 am »
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Here detectorall is also a good place to buy a

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metal detector
, and there are different types for you to choose from , There are many kinds of detectors, such as handheld metal detectors, safety metal detectors, walk through metal detectors,gold metal detectors, X-Ray inspection systems and so on.


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Offline xavier
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« Reply #728 on: August 01, 2012, 06:39:56 am »
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Quote:Posted by Amel
i need help in my delta pulse  i have some problem i need help


Hi Amel

If you tell us what is wrong with your detector then perhaps we can help.

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So many questions so little time

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« Reply #729 on: August 15, 2012, 11:10:56 am »
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whats the diffrence between these 2 pcb?
could anyone tell me?
thanks
{alt}

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