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Author Topic: Amiga 4000T and A2301 Genlock....  (Read 1467 times)

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Offline amiga_3kTopic starter

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Amiga 4000T and A2301 Genlock....
« on: October 08, 2007, 08:39:12 PM »
Okay... Just wondering... Is it possible to put a Commodore A2301 Genlock into an A4000T and use the genlock's composite-out on the television? Or, in other words, is the A2301 genlock compatible with the A4000T? (it's a revision 4)
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Offline Matt_H

Re: Amiga 4000T and A2301 Genlock....
« Reply #1 on: October 08, 2007, 09:13:05 PM »
Using AGA color modes might present a problem, but otherwise I think it'll be fine.
 

Offline amiga_3kTopic starter

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Re: Amiga 4000T and A2301 Genlock....
« Reply #2 on: October 08, 2007, 09:48:15 PM »
Hmmm... so I should atleast see the early-startup appear?
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Offline Iggy_Drougge

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Re: Amiga 4000T and A2301 Genlock....
« Reply #3 on: October 08, 2007, 11:03:49 PM »
An A2301 works fine in an A4000, with one caveat (mention in an addendum to the A4000 manual): You must supply the A2301 with a video input when you start the computer. In other words, a video or something similar must be connected to the input on the A2301 when you boot.

In other words: If you just want composite out, an A520 modulator is a much better option.
A4000/25MHz/64MB/20GB/RetinaBLTZ3/FastlaneZ3/CatweaselMKIII/Ariadne/A2301
A3000/40MHz/32MB/6GB/Merlin/Buddha/X-Surf/FrameMachineII+Prism24
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Offline amiga_3kTopic starter

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Re: Amiga 4000T and A2301 Genlock....
« Reply #4 on: October 09, 2007, 06:42:28 AM »
@iggy_drougge:

Hmmm... there goes my 'easy' solution. That leaves me no option but heating-up the soldering iron and make me a RGB to SCART cable. The A520 I have does nothing but occupying the RGB-slot when connected. (in other words: it's broken)
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Offline Chain

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Re: Amiga 4000T and A2301 Genlock....
« Reply #5 on: October 09, 2007, 07:01:36 AM »
A520 can be repaired very easily, its just usually blown one transistor, in worse case pal encoder. As obsolete part can be bought cheaply (0.7€)
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Offline amiga_3kTopic starter

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Re: Amiga 4000T and A2301 Genlock....
« Reply #6 on: October 09, 2007, 05:52:11 PM »
@Chain:

Do you happen to know which transistor is the most suspectible?
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