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Introducing: my Personal IRIS 4D/35

#11

RE: Introducing: my Personal IRIS 4D/35

This may be a silly question, but how do you remove the PSU+bracket from the system? I can find 4 screws on the top of the power supply board, and then 2 screws behind it from the other side but it seems those screws may be removing the board from the bracket.

necron2600

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12-30-2019, 01:39 AM

#12

RE: Introducing: my Personal IRIS 4D/35

(12-30-2019, 01:39 AM)necron2600 Wrote:  This may be a silly question, but how do you remove the PSU+bracket from the system?  I can find 4 screws on the top of the power supply board, and then 2 screws behind it from the other side but it seems those screws may be removing the board from the bracket.

You don't touch the screws of the PSU PCB because they attach it to the bracket. You release the PSU PCB + bracket from the PI chassis by unscrewing 4 screws from the side of the E-module. You need to remove the E-module first. This is what the back side of the PSU bracket looks like (the side facing the divider with the E-module):

You can see the four screw holes, and if you look carefully you'll see a couple of hex holes where the mounting studs of the PCB are pressed into the bracket.

Removing the bracket + PSU from the IRIS chassis can be a little fiddly. You have the impression it's too big to remove. I assure you it fits, but only just.

NB: also visiible in this photo: the brown "jumper cable" to start this PSU outside the IRIS. This where the power switch normally connects.

Keeping TechPubs alive!

(This post was last modified: 12-30-2019, 09:09 PM by jan-jaap.)

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12-30-2019, 09:08 PM

#13

RE: Introducing: my Personal IRIS 4D/35

jan-jaap,

I have an electronics repair place working on mine with a power-one supply.

They have a question on a 2pin green/brown connector that does not appear to be addressed in your photos.. this 2pin green/brown is shown in your original PSU photo.. but seems missing in the final modified PSU. (twisted green/brown wire on the right side in the photo). What happens to that with the new power supply?

Thanks

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01-31-2020, 06:15 PM

#14

RE: Introducing: my Personal IRIS 4D/35

OK, they figured it out. The green/brown 2-pin connector is for the fan... and since the power-one power supply I am using has a built-in fan it is not used.

I should find out if this power-one power supply swap works or not next week.

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01-31-2020, 07:16 PM

#15

RE: Introducing: my Personal IRIS 4D/35

Dear PFC375 users,

I am about to make this big leap myself (my PSU unfortunately passed away...).

I have one question for you:

The AC-fail signal cable (the blue one), shall it be connected:

- into the J3/pin2 connector (PF)

- or into the J3/pin3 connnector (PWR good)?

The question seems obvious but I don't know whether there is a negative logic or not...

Thank you for your lights!

+

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10-19-2020, 07:25 PM

#16

RE: Introducing: my Personal IRIS 4D/35

Does it still run that old version of Pro/E by the way? Old installs are very hard to find. It would be cool to see.

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10-24-2020, 07:43 PM

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