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ATX PSU replacement in A2000
ATX PSU replacement in A2000
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Description: The small PCB next to PSU is a Tick generator.
I had to make 'legs' (using Nescafee aluminium can) for new PSU because its much smaller then original. It is also a bit heavy, some say thats sign of 'good quality'.
I couldn't find an exact replacement for power_on switch, so I had to use one similar to original and some hot glue.
I also had to drill a hole in PSU for screws.
Might seem like a lot of work, but not really.
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Posted by: orange at September 14, 2011, 07:13:25 AM

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Comments (7)

December 23, 2010, 01:45:52 AM
Here is how I did mine:
1.  Remove board from a micro-ATX power supply.
2.  Unsolder the wires from that board.
3.  Remove board from Amiga 2000 power supply.
4.  Spay paint Amiga 2000 PSU case Amiga tan color.
5.  Unsolder wires from the Amiga 2000 PSU board.
6.  Now solder those wires onto the micro-ATX board.
7.  Mount this assembly into the Amiga 2000 PSU case.
8.  Replace fan with a new ball-bearing, red LED fan.
9.  screw on cover.
September 09, 2007, 08:52:26 PM
Ok your right, let me put it this way, it works fine for me  :-D
May 25, 2007, 02:22:43 PM
using jumper for Tick generator is for lamahs  :-P  

no it does not 'work fine'; your clock is not precise any more and you can't use some genlocks.

Here are PCBs for Tick and other stuff.
May 23, 2007, 08:42:08 PM
Tick issue:

In addition you need to change jumper J300 to cover pins 2-3, so that the TICK signal is
provided internally by the VSYNC signal.
May 23, 2007, 08:37:46 PM
I just replaced my A2000 PSU with a ATX PSU and i did solve the tick problem by using internal Tick, and it Works just fine. :-D
April 18, 2007, 10:07:42 AM
Hmm, neat job ! where did you find the schematics for the tick generator ?

It's possible to get the tick from vsync on rgb on an A3000. is it also possible in the A2000 ?
October 24, 2006, 07:47:55 AM
higher resolution

looking from back

zoom in stands

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