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Author Topic: Amiga 2000 video problem  (Read 10684 times)

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Offline Zac67

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Re: Amiga 2000 video problem
« on: April 25, 2008, 10:41:32 PM »
Are you sure it's a PAL A520? They're not switchable, single standard only.
Try to get an RGB display anyway, composite quality sucks.
 

Offline Zac67

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Re: Amiga 2000 video problem
« Reply #1 on: April 26, 2008, 03:48:44 PM »
J102 is right next to Agnus and the crystal.

_TICK doesn't matter here at all, it's there to provide a stable time base for the CIA counters in case you switch vertical frequency (which is used in A1000 & A500).

Why don't you use the composite out from the motherboard?
 

Offline Zac67

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Re: Amiga 2000 video problem
« Reply #2 on: April 26, 2008, 07:03:39 PM »
Open J102 is PAL, so either just leave it open or cut the trace.