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Old 07 June 2012, 16:09   #1
pudwink
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amiga 1200 picture flashing

hi all
I have just got myself an amiga 1200 which is working fine only problem is when ever it access a floppy drive hdd or cf card via pcmcia slot some flickering lines appear on screen but as soon as it stops accessing a drive they disapear.
anyone any ideas? please
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Old 07 June 2012, 16:44   #2
PopoCop
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There were issues like yours in some of A1200. They can be fixed but I don't remember exactly what should be done. Maybe somebody in this forum remembers the details.

BTW: are you using TV output or composite/RGB?
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Old 07 June 2012, 17:52   #3
pudwink
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i have tried through the tv aerial and rgb via scart socket both the same result
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Old 07 June 2012, 18:58   #4
Tomcat
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IIRC this is the fix:
http://aminet.net/docs/hard/flickfix.lha
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Old 07 June 2012, 20:07   #5
pudwink
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thanks for the fix file could someone please let me know which directory it needs to be placed in.
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Old 07 June 2012, 20:50   #6
zipper
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You need to solder a capacitor onto the mobo; it's a picture of the mod...
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Old 08 June 2012, 03:05   #7
Magno Boots
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Tomcat and Zipper have the solution

If yours is a 1D4 board then I can vouch for this fix.

Here's a picture to show what's required..

Click image for larger version

Name:	FlickerRepair01.jpg
Views:	84
Size:	64.6 KB
ID:	31848
Thanks to Franko for the piccie.

If you need the part, just let me know via PM and I'll post one out FOC.
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Old 08 June 2012, 11:49   #8
pudwink
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hi thanks for the info but my motherboard is a rev 2b does it make a difference.
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Old 08 June 2012, 12:51   #9
Magno Boots
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It appears that the 2b board already has a component in this area.

I don't know what else to suggest.

Sorry
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