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Offline viswanathmarachiTopic starter
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« on: May 08, 2012, 07:14:39 am »
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Hi,

Hi Everyone,

I made my DP2 as per the  instructions of a turkish blog

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http://felezyab.persianblog.ir
.  I have done the assembly of components as in the Component placement diagram.  But my DP does not make any sound or anything.  When I connected it for the first time to the battery the IRF740 (in fact i used IRF840) smoked. Then I replaced it with a new one.  But now there is no response at all from the circuit board. 

Probably I burnt something else also along with the IRF840, but with my poor electronics knowledge I am not able to figure out what else would have been burnt.

Another problem i have on my machine is when connected to battery both LED's will glow in fact red is more brighter.... what went wrong here???

Your kind help is much appreciated.

-Viswanath

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Offline japanese
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« Reply #1 on: May 08, 2012, 08:14:17 am »
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Hi  viswanathmarachi
    For the  heated IRF 840 change  UA  556 , adj  PR1 to low -  ---- FOR two led light ,,, check each of the T10,VD15,,,,,,,,,,  IN GENERAL  Check all  T ,VD

best time
j.

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Offline viswanathmarachiTopic starter
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« Reply #2 on: May 08, 2012, 08:23:51 am »
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Hi Japanese,

Thank you for your quick and kind reply.  I will check everything as per your instruction.  Any guesses on why I am not getting any sound on my machine?

Thanks in advance
-Viswanath

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Offline japanese
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« Reply #3 on: May 11, 2012, 08:23:14 am »
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Hi viswanathmarachi

For the led vd 17 will be lights always because they power, for the LED vd16 lights up when the battery consumption or low ------ As for not hearing the sound is the final outcome because everything properly OK - start a test every transistor and Legs and confirmation of welded well - check the tracks copper and make sure quality , as well as the lack or bad of any connection between the wrong track or welders or short.

1-For the  heated IRF 840 change irf840,  UA  556
2-FOR vd16 led light ,,, check each of the T10,VD15.
3-for sound check T9 (Order of Legs EBC)
4- check the bad tracks copper .
5-check vol =100 ohm  or  1k &tracks copper to vol
6-IN GENERAL  Check all  T ,VD
7-check DA6=TLO61.

After all this has to be a mistake in the installation as possible to be in the polarity  of components or installed Instead of component you place  . examine each component in terms of value and polarity and the direction order of Legs EBC and arrangement of the parties.

And I waiting result


best time

j.

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Offline viswanathmarachiTopic starter
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« Reply #4 on: May 17, 2012, 01:45:01 am »
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Hi Japanese,

Thanks again for your kind reply.  I will check everything as per your advice and see if I am lucky enough to get my DP working..

-Viswanath

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Offline deep max
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« Reply #5 on: May 17, 2012, 08:44:45 am »
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Hello, if you are interested I can sell you a kit delta pulse or sniffer xr -71 tested working and ready for use.Thanks

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« Reply #6 on: May 17, 2012, 12:05:32 pm »
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Hi viswanathmarachi
 
You are already lucky because everyone here in this site wants to help you and make your project work ------- Here, you will feel very happy and will be make your experience and this most important thing.

Please send a clear picture The top and bottom.
best time

j.

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Offline viswanathmarachiTopic starter
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« Reply #7 on: May 18, 2012, 01:45:09 am »
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Hi Deepmax,

Thanks for the offer..  sorry coz I prefer making my own as i want to make electronics as my hobby not treasure hunting by using a ready to make kit..

-Viswanath Marachi

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Offline viswanathmarachiTopic starter
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« Reply #8 on: May 21, 2012, 09:46:24 am »
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Hi Japanese,

Here are the pictures of my DP....

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« Reply #9 on: May 21, 2012, 11:13:04 am »
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Hi viswanathmarachi
  vd12 inversed,,,,, Invert and  sound will come out

best time

j.

Posted on: May 21, 2012, 11:01:19 AM
Hi viswanathmarachi
  Place on the picture,,,,I wish you success
best time

j.


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