Changing the dimming port signal

bkc6868 · Post by **bkc6868** » Tue Feb 27, 2018 7:50 am

I have the RA star. Do I have to open the head unit to change the Jumpers? I need 0-5 own.

rimai · Post by **rimai** » Tue Feb 27, 2018 8:54 am

bkc6868 · Post by **bkc6868** » Tue Feb 27, 2018 8:55 am

Thanks

bkc6868 · Post by **bkc6868** » Tue Feb 27, 2018 5:12 pm

I see analog printed on board along with the channels but nothing about pwm and I don't see any jumper pieces

rimai · Post by **rimai** » Tue Feb 27, 2018 5:13 pm

0-5V is right on the left side of where you saw analog.

bkc6868 · Post by **bkc6868** » Tue Feb 27, 2018 5:15 pm

I saw that.. But the is no Jumpers

rimai · Post by **rimai** » Tue Feb 27, 2018 5:19 pm

You are correct. They are not populated.
Not everyone changes signal types and you are the first one that mentioned it.
I'll instruct my contract manufacturer to install them on my next build.
You can get them on any electronic store or pull them from old motherboards.

bkc6868 · Post by **bkc6868** » Tue Feb 27, 2018 5:21 pm

So should I jump every one of the 0-5v pins for pwm 0-5 volts?

rimai · Post by **rimai** » Tue Feb 27, 2018 5:22 pm

Yeap.

bkc6868 · Post by **bkc6868** » Sat Mar 10, 2018 10:21 am

Something happened and I'm no longer getting 5 volts from pins 1&2 and 5&6. 3&4 and 7&8 still work fine. I've checked and rechecked the Jumpers and settings on everything.

rimai · Post by **rimai** » Sat Mar 10, 2018 10:35 am

There are only 4 channels and not 8. Which channels are you talking about?

bkc6868 · Post by **bkc6868** » Sat Mar 10, 2018 10:37 am

Daylight 1 and actinic 1 the #2 channels are working still

rimai · Post by **rimai** » Sat Mar 10, 2018 10:41 am

Do you have a multimeter?

bkc6868 · Post by **bkc6868** » Sat Mar 10, 2018 10:43 am

Yes that's how I know they aren't putting out the 5 volts but the others are

rimai · Post by **rimai** » Sat Mar 10, 2018 10:48 am

I'm assuming that the screen is showing 100% on those dimming channels on the RA* screen, right?
If so, The channels may have gotten damaged.
Can you check the voltages on these pads?
Actinic Channel

actinic.png

Daylight Channel

daylight.png

bkc6868 · Post by **bkc6868** » Sat Mar 10, 2018 10:49 am

Yes I can later when I get home

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