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VRM Installation Troubleshooting

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68Charger

Post subject: VRM Installation Troubleshooting

Posted: Sun May 22, 2011 4:32 am

Joined: Tue Apr 26, 2011 2:03 am
Posts: 4

Last edited by 68Charger on Tue Aug 02, 2011 5:08 pm, edited 1 time in total.

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68Charger

Post subject: Re: VRM Installation Troubleshooting

Posted: Mon May 23, 2011 12:14 am

Joined: Tue Apr 26, 2011 2:03 am
Posts: 4

Last edited by 68Charger on Tue Aug 02, 2011 5:07 pm, edited 1 time in total.

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68Charger

Post subject: Re: VRM Installation Troubleshooting

Posted: Tue May 24, 2011 10:40 pm

Joined: Tue Apr 26, 2011 2:03 am
Posts: 4

Last edited by 68Charger on Tue Aug 02, 2011 5:07 pm, edited 1 time in total.

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coco

Post subject: Re: VRM Installation Troubleshooting

Posted: Wed May 25, 2011 11:12 pm

Holy Ghost

Joined: Sun Mar 13, 2005 4:10 pm
Posts: 7519
Location: Canada

These have been kurtlives steps in troubleshooting the VRM...

If the VRM is doing nothing it's good to check the Zener diode out. Use a continuity tester and see if it conducts. If it does conduct it's bad.
If the VRM wont pass voltage check the 5W 100R resistor. You can measure it in the circuit to see if it reads correctly or it has opened up.
Other than triple checking all your wiring, jumpers and component values then I'd suspect the MOSFET.

_________________
Stephen
Web: www.trinityamps.com. Facebook: facebook.com/trinityamps. Twitter: @trinityamps

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68Charger

Post subject: Re: VRM Installation Troubleshooting

Posted: Sun May 29, 2011 10:27 pm

Joined: Tue Apr 26, 2011 2:03 am
Posts: 4

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