Need polarity of adapter plug for HP Pavilion DV6500

Complete Guide to Using the Correct Charger or Power ...

www.groovypost.com/.../choose-right-power-adapter-charger-phone-lap...

Jun 24, 2013 - If the device has a DC input of +12V / 5.4A, get an adapter that has a DC output of +12V / 5.4A. If you have a universal adapter, make sure it has the proper current rating ... Ideally, you'll have the same voltage, current and polarity on your ......or hdmi on my laptop .can you say what's the reason for the same.

How to select an AC to DC power adapter - ApogeeKits

www.apogeekits.com/power_adapter_selection.htm

An explanation of regulated versus un-regulated AC to DC voltage power adapters. ...voltage output power adapters and how to use this information to select the right one... Some (more expensive) DC voltage output power adapters have voltage ... Care should be take to ensure that the maximum input voltage of the load ...

AC/DC Power adapter ' Laptop Parts 101

www.laptopparts101.com > Laptop parts

Dec 26, 2008 - It's very important to use the right adapter for your laptop. ... Polarityon the new adapter's plug must be the same as on the original ... AC/DC power adapter voltage and amperage ..... I have purchased an non-hp dc-dc convertor (150W), 12Vinput, 19V output. .... So the cable component has to be replace.

Determining Proper A/C Polarity - Galen Carol Audio

www.gcaudio.com > Resources > How-To's

there is no polarity in ac current as ac means alternating current and that means alternating between positive to negative back to positive back to negative and so on
only dc ( direct current ) and the center pin of the plug is designated as the positive pole has polarity, the outer case being the negative
OR Are you asking the voltage of the ac adapter and the voltage of the dc output side of the adapter

first of all , you are looking at the wrong voltages. The important voltage is the DC OUTPUT, which is the voltage the external harddrives use AND the polarity of the plug attached to the harddrive end of the cable.
if both the harddrives have say 12v dc output and both have the insignia of the center conductor being + (posative) then you can interchange them. and you CAN run a 9volt unit with 12volt DC power, but not the other way around.
Look at your power adaptors again for the OUTPUT and polarity.
should be a half-circle with lines depicting the polarity(+,-) of the center and sheild connections to the hard drives printed on both the harddrives and the power adaptors . This can also be tested with a dc volt meter while the adaptors are plugged into the wall.
DO NOT try to test the AC end while plugged in!!
Regards

Remove the battery and plug the ac adaptor in check wethere the light on the port where you connect the ac adaptor glows or not, if no then check the wethere the ac adaptor is getting warm or not after you plug it in for few minutes if not then ac adaptor has to be replaced.
If the light on the port is glowing then it is likely that the power supply of the notebook has gone bad as it is not able to switch to ac adaptor or the port where you connect the ac adaptor to the notebook has a short circut when the acadaptor pin is connected , better try with a different ac adaptor to be sure wethere the issue is with ac adaptor or the notebook.
My best wishes

at most electrical stores you can buy a universal power adaptors with a selection of socents to fit most connections. and which has a selector on it for various voltages settings.
take one of the little connectors and see which one fits. then checking the polarity on your device set the polarity the same when plugging the connector into the power supply cable. adjust voltage as needed.

Warning: when connecting a variable power adaptor alway connect on the lowest voltage setting and work up as too high voltage can distroy your appliance.

Yes the adapter must have an output of 12vdc AND rated for a least 4.0A output!

If I understand your description correctly, you have two TVs that use the same model adapter, and both adapters have failed. In that case, I would suspect a weak design, or you may have put them in some place where they were overheated or zapped by power line surges. If it appears to be a design problem, you may want to consider using a substitute.

The adapter should have the output voltage and current marked on it, for example, 12VDC 2300mA would be a 12 Volt, 2.3 Amp output. The polarity is usually marked with a diagram showing whether the center in or hole in the plug is positive or negative.

You can use an adapter with the same voltage and plug style (including polarity) and the same or greater current output. If you find one with the right voltage and current, but the wrong plug, you may be able to change the plug. Just be absolutely certain you have the wires going to the correct terminals; reversing the polarity could damage or destroy your TV. Do a proper solder job on it; simply stripping the wires and twisting them on will not be reliable.

Sources for adapters include www.jameco.com and www.mouser.com.

Hi,

I have uploaded the GPX PDL705 manual to this site today. If you check tomorrow they may have posted it by then.

If you look at the small print on the adaptor it should indicate by diagram Voltage output, current capacity, type and tip polarity by small diagram. Most adaptors are 'positive' -- but if you are unsure do not plug the adaptor into the device because it will fry it!

Make sure the ac adaptor ius the right polarity for the camera, negative outside plug and positive centre,also make sure the voltage output of the charger is correct 5 volts dc.You do not need batteries as well as the charger.

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