It is also a really good idea to test for continuity between the center
pin and ground. If you hear a beep when you do this test, you have a
problem, namely a short in your soldering somewhere. There should NOT
be any continuity between the center pin and ground.
Ardell Faul
Computer Monitor Service Inc.
Ardell's Laptop and PC Repair
10816 E. Mission Ave.,
Spokane Valley, Wa. 99206
ardell%40icehouse.net">ardell
icehouse.net
509-891-5188
Russ Blakeman wrote:
> Yeah you want to make sure that the joint you just did has electrical
> flow, ie continuity. You need to do it twice, once for + and once for
> ground or -
>
> Do this with NO POWER to the board.
>
> Be sure to just do the foil paths and not across small components as
> the ohms/continuity setting provides voltage from the multimeter that
> might blow a component, and some (like diodes) will be open if the
> polarity of the DC is not the right direction.
>
> By connecting from a point on the trace side (you can even lightly
> take off some of the varnish and go to the trace just dont break the
> trace) and to the input side of the new connector you make sure you
> get an electrical path through the solder point, also verifies that
> power from the adapter will get thru.
>
>
>
> -----Original Message-----
> *From
Laptop_Repair%40yahoogroups.com">Laptop_Repairyahoogroups.com
> [mailto: Laptop_Repair%40yahoogroups.com">Laptop_Repairyahoogroups.com]*On Behalf Of *Andy Wilce
> *Sent Friday, August 10, 2007 7:04 AM
> *To Laptop_Repair%40yahoogroups.com">Laptop_Repairyahoogroups.com
> *Subject [Laptop_Repair] Re: Testing for grounded?
>
> So basically with the conitnuity checker probe first check the inside
> connector of the DC socket and then the middle pin, and as you do
> each
>; of these touch another part on the main board with the other probe
> where there should be continuity...and wait for a beep!?
> Cheers
> andy
>;
>
>
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