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Old 01-07-2015, 01:21 AM #1
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Default On and off Power outputs.

Hello! It's been a very long time since I last signed in.

I've had this on going problem and I could never seem to figure out whats going on.

Problem: Laser pointer will produce 100mw's for a moment and then it dims down and then a high pitched frequency can be heard. It's not the diode dying out or anything because I build two 3405's and same thing happened to both of them. Sometimes after powering on and off it goes back to normal for a moment.

Awhile back my dad told me that the tail caps were the problem but I don't know what to do with him not being around anymore.

Specs.
phr-803t diode in an Axiziz housing.
FlexDrive v5 tuned to 110mA
MDXL 3405 + heatsink
Standard Axiziz lense.
x3 AAA batteries Rayovac


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Old 01-07-2015, 01:39 AM #2
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Default Re: On and off Power outputs.

What driver and diode are you using? And did you buy it or build it?
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Old 01-07-2015, 01:47 AM #3
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Default Re: On and off Power outputs.

You can test the tail cap by putting the batteries in, leave the tail cap off, and use a wire or peice of aluminum foil to connect the batteries to the host. If it still does it, it's not the tail cap.

Other than that, check your batteries. This is where I would start.
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Old 01-07-2015, 01:52 AM #4
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Default Re: On and off Power outputs.

Quote:
Originally Posted by AznRice View Post
Specs.
phr-803t diode in an Axiziz housing.
FlexDrive v5 tuned to 110mA
Quote:
Originally Posted by USAbro View Post
What driver and diode are you using?
In case you missed it
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Old 01-07-2015, 01:53 AM #5
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Default Re: On and off Power outputs.

That really says bad cells to me. What voltage are each of your AAAs at? Be sure you're not using carbon zinc ("heavy duty") cells - those are horrendous for anything besides low power.
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