Friday, November 11, 2016

Alternate power supply for Dell 2300MP Projector

After some experimenting I have come up with an alternate power supply for the Dell 2300MP Projectors.  At first I bought some that did not work then I found out that with a slight modification this CT-300 power supply works.

This is my collection of dead Dell power supplies.

This is a size comparison. The new power supply is a little bigger but the projector has plenty of room for the power supply.  Note that the cable to the motherboard is backwards and that there are 2 extra pins towards the 110 volt connector end of the power supply.

The new power supply will not turn the projectors bulb on.  It needs a modification to supply 5 volts to the extra pin that is not ground via a 1 K resistor as seen in this picture.

4 comments:

Donald Hyatt said...

How do I get a hold of you I have a Dell 2300mp and it has a dead power supply

Donald Hyatt said...

Bob how to contact you

Bob Davis said...

My email is bobdavis321@gmail.com

Chuan Xu said...

dell parts manager@parts-dell.cc