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Old 13th June 2015, 01:53 PM   #1
wsyoo1 is offline wsyoo1  South Korea
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Default Asking about Power supply #PS1 of Audible Illusions

I have Audible Illusions Modulus L1 Preamplifier with power supply #PS1.
This power supply works on 120V.

We use 220v in my country, and I heard that the power supply can be used on 220v if the jumper inside the power supply is desolered or soldered. However, I don't know how to do it. So, would you please let me know the desoldering or soldering method.

For your reference, I am attaching the picture of jumper inside the present power supply working on 120v. Thank you.
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File Type: jpg 120V.JPG (132.0 KB, 102 views)
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Old 13th June 2015, 02:42 PM   #2
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Can you give a bigger picture of the psu especially of the transformer?
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Old 13th June 2015, 03:15 PM   #3
wsyoo1 is offline wsyoo1  South Korea
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Default attachment of bigger picture

Thank you for you reply.
I herewith attached the bigger inside picture of power supply.
Attached Images
File Type: jpg IMG_0116.JPG (132.5 KB, 98 views)
File Type: jpg IMG_0117.JPG (134.9 KB, 93 views)
File Type: jpg IMG_0119.JPG (111.0 KB, 89 views)
File Type: jpg IMG_0121.JPG (123.9 KB, 86 views)
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Old 13th June 2015, 03:41 PM   #4
wsyoo1 is offline wsyoo1  South Korea
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Quote:
Originally Posted by Keruskerfuerst View Post
Can you give a bigger picture of the psu especially of the transformer?
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File Type: jpg IMG_0122.JPG (129.3 KB, 29 views)
File Type: jpg IMG_0123.JPG (111.8 KB, 21 views)
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Old 14th June 2015, 04:46 AM   #5
wsyoo1 is offline wsyoo1  South Korea
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I herewith attached again bigger pictures of the psu of the power supply PS1. Hve a nice day !
Attached Images
File Type: jpg New ps1-1.JPG (108.6 KB, 13 views)
File Type: jpg New ps1-2.JPG (138.5 KB, 13 views)
File Type: jpg New ps1-3.JPG (137.2 KB, 17 views)
File Type: jpg New ps1-4.JPG (104.7 KB, 18 views)
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Old 14th June 2015, 07:03 AM   #6
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Usually the output coil of the transformer must be changed.
I donīt see any spare coils (of the transformer) for that.
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Old 14th June 2015, 07:44 AM   #7
wsyoo1 is offline wsyoo1  South Korea
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I can not find spare cables of output side of the coil.
Moreover, there are only two cables of input side of the coil.
I guess there is no way to use on 220v just by desoldering or solderingof the jumper.
It is used only on 120v.
Thanks for your kind concern in this matter.
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Old 14th June 2015, 10:26 AM   #8
AndrewT is offline AndrewT  Scotland
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Can you check the wiring of the twisted THREE wires passing through the black insulating tube?

Are these the Mains input wires, brn/brn/yel ?
At the other end, they are TWO wires, blk/wht
There is a join inside the insulating tube.

If the transformer is a single primary, you must use the original Mains voltage.
If the transformer is a centre tapped primary, you will have a choice of supply voltage.
If the transformer is a dual primary, you will have a choice of supply voltage AND retain full VA capability.
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regards Andrew T.

Last edited by AndrewT; 14th June 2015 at 10:29 AM.
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Old 14th June 2015, 11:40 AM   #9
Ghianni is offline Ghianni  Greece
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Quote:
Can you check the wiring of the twisted THREE wires passing through the black insulating tube?
Right!

If there is inside no other wire then the transformer is only for 120VAC and must be replaced for a 220VAC one...

If there is a third or more wires...just inform us.
Attached Images
File Type: jpg UPS_PS1WIRES.jpg (125.5 KB, 29 views)

Last edited by Ghianni; 14th June 2015 at 11:43 AM.
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Old 14th June 2015, 12:11 PM   #10
wsyoo1 is offline wsyoo1  South Korea
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Hi,

As I marked, blk/wht cables are 120v mail input cables and they go inside to the coil through blk insulating tube. And brn/brn, red/red., brn/brn/yel cables are coming out from the coil. Of course, brn/brn/yel cable and blk/wht cable is not joined. I don't know if they are simple primary, centro tapped primary, dual primary or not.

Thanks to Andrew T and Ghianni
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File Type: jpg IMG_0148.JPG (141.1 KB, 19 views)
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