Archived from groups: comp.sys.laptops (More info?
> I have laptop Chycany NB5620
> Is anyone have a schema to this laptop
> This laptop have a nest POWER IN, but i don't know where is Plus and
> Where is a CWOS?
> Maybe anyome know link to schema this
> Help me please
You can almost always determine polarity with an ohm-meter.
Measure from the shield of the serial connector to the connector pins.
The one that's zero ohms is almost always the minus.
I said ALMOST always.
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