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Treasure Hunting & Metal Detecting Forum Message Boards - Detector Hunter Whites Minelab Tesoro XP > Tech Talk > Metal Detectors > PI Designs & Deepseekers (Moderators: Eugene52, Cornelius) >

help dbp 2010

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japanese

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GARY PI

	Re: help dbp 2010 « Reply #10 on: June 21, 2011, 12:25:34 pm »

Hi deep max test T6=2N4403 ,D17,D16, C14,C16.

best time
j.

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deep max Topic starter

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	Re: help dbp 2010 « Reply #11 on: June 23, 2011, 01:25:00 pm »

hi japanese i tested tomorow and post results. best time

Posted on: June 21, 2011, 01:31:17 PM

Hi japanese, now i replace c14 and found this voltages
ok?

Posted on: June 23, 2011, 01:09:58 PM

sw conection are ok?

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o.mag

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	Re: help dbp 2010 « Reply #12 on: July 08, 2011, 03:26:28 pm »

hi deep max

for my pi K1=1,2v

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olivier

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japanese

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	Re: help dbp 2010 « Reply #13 on: July 08, 2011, 04:27:32 pm »

Hi o.mag
pin7 of ic1, pin8 of ic2,pin4 of ic4&ic3 all pin's -- (negative voltage)=k1.
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o.mag

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	Re: help dbp 2010 « Reply #14 on: July 09, 2011, 02:44:48 pm »

Hi japanese

test points for voltages +12v. ++ ,-- , 0v that help you.
+Vbat= +12.6v
+ + =12v
- - = 1.2v=K1
V++--=10.8
-Vbat=0v =Gnd

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olivier

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deep max Topic starter

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	Re: help dbp 2010 « Reply #15 on: July 10, 2011, 11:42:20 am »

and to me is not working

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	Re: help dbp 2010 « Reply #16 on: July 10, 2011, 03:43:45 pm »

hi deep max

what type of transistor are you using ?
are they in the good position?

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japanese

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	Re: help dbp 2010 « Reply #17 on: July 11, 2011, 04:27:26 am »

Hi o.mag
- - = 1.2v=K1 rong,,,,,,,,,look to

hi deep max Explain more!!!!!

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j.

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o.mag

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	Re: help dbp 2010 « Reply #18 on: July 11, 2011, 06:51:59 am »

hi japanese

on a battery " of car for example " + and - are indicated but that does not want to say only it + made +12V and that it - fact -12v. If the terminal - is with the mass " case général" then the terminal - has 0v and limits it + has +12V
+12v - (0v) =12V " ok"
if l' one had +12 and -12
+12v - (- 12v) =24v " this n' is not the cas"
your example is a symmetrical food with 2 batteries and the 0v between the two batteries
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olivier

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deep max Topic starter

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	Re: help dbp 2010 « Reply #19 on: July 11, 2011, 09:33:20 am »

Hello, I use 2n4403 mpsa14 and all other transistors are bc547, bc557.Last time you tried and burned mpsa14 think it bc517.I dont now, replaced by what happened but now very hot 2n4373. regards

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