Re: HP LP3065 Power Supply Details

R102 - 620k

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Good day all - My name is Dean but I go by Electronomo, a nickname my mom gave me when I was 5 years old. Been in the electronics field for 37 years going from tech to EE along the way. I have always been interested in electronics and regard my job as a paid hobby. I design control systems for large industrial testing machines like Tsunami and earthquake simulators, wind turbine bearing testers and F1 car engine and transmission testers to name a few. I have been very lucky to have had many good experiences over the years and...

Hi everyone - Just thought I would share a few details about the repair of my LP3065 power supply. The monitor would exhibit the 2 seconds to black issues detailed in other posts. I tested the CCFL lamps via an external supply and found all 9 sets to be working OK. I tried to replace the inverter board (salvaged from a Dell 3008) and still no-go. I then removed the power supply for testing independent of the monitor. I found that you have to load the output voltages to properly test the unit. I used resistive loads for about a 1 amp load on the 5VSB, 18 and 24 volt outputs. This supply uses an...

Re: Issue with HP LP3065

I believe the LP3065 / EZ320A series uses an LM300WQ5-STA2 screen.