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Offline lassieTopic starter

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Amiga 2000
« on: August 07, 2012, 11:03:49 AM »
Hi i have 3 Amiga 2000. The 2 of them i can connect to my tv with a scart lead and they work perfect. but the last one shows only black and white screen. Are there something i can do to change it in workbench? it works fine with an old amiga monitor, i have tried 3 tv but the amiga is black and white on all of them.
Amiga 4000 030 18 MB ram. 16 Gb HD.
Amiga 1200 030 34 MB ram. 8 Gb HD.
Amiga 1200 Tower Apollo 1240
Amiga 2000 030. 9 MB ram. 1 Gb HD.
Amiga 2000 68000 5 MB ram. 500 MB HD.
Amiga 2000 68000 9 MB ram. 1 Gb HD.
Amiga 600 4 MB ram. 4 GB HD.
Amiga 600 1 MB ram. 60 MB HD.
Amiga 500 1 MB ram.
Amiga 500 Plus
Amiga CD32
Amiga CD32
Commodore 64
Commodore 64C
Commodore 128
Commodore 128D
 

Offline utri007

Re: Amiga 2000
« Reply #1 on: August 07, 2012, 12:31:05 PM »
Do you have also 3 SCART cabels?

Do you see ghost picture? I would say that SCART cable that you tired is wronly wired.
ACube Sam 440ep Flex 800mhz, 1gb ram and 240gb hd and OS4.1FE
A1200 Micronic tower, OS3.9, Apollo 060 66mhz, xPert Merlin, Delfina Lite and Micronic Scandy, 500Gb hd, 66mb ram, DVD-burner and WLAN.
A1200 desktop, OS3.9, Blizzard 060 66mhz, 66mb ram, Ide Fix Express with 160Gb HD and WLAN
A500 OS2.1, GVP+HD8 with 4mb ram, 1mb chip ram and 4gb HD
Commodore CDTV KS3.1, 1mb chip, 4mb fast ram and IDE HD
 

Offline lassieTopic starter

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Re: Amiga 2000
« Reply #2 on: August 07, 2012, 12:39:57 PM »
Quote from: utri007;702608
Do you have also 3 SCART cabels?

Do you see ghost picture? I would say that SCART cable that you tired is wronly wired.

Hi its the same scart cable i use, i only have one that is special made for the amiga. I just use that one  between all the amigas i have :-)
Amiga 4000 030 18 MB ram. 16 Gb HD.
Amiga 1200 030 34 MB ram. 8 Gb HD.
Amiga 1200 Tower Apollo 1240
Amiga 2000 030. 9 MB ram. 1 Gb HD.
Amiga 2000 68000 5 MB ram. 500 MB HD.
Amiga 2000 68000 9 MB ram. 1 Gb HD.
Amiga 600 4 MB ram. 4 GB HD.
Amiga 600 1 MB ram. 60 MB HD.
Amiga 500 1 MB ram.
Amiga 500 Plus
Amiga CD32
Amiga CD32
Commodore 64
Commodore 64C
Commodore 128
Commodore 128D
 

Offline nOw2

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Re: Amiga 2000
« Reply #3 on: August 07, 2012, 01:07:46 PM »
The A2000 can develop a fault which leads to colour not being shown in some circumstances. Are you able to test on a monitor? (VGA adaptor + ECS chipset or Amiga monitor)

My A2000 shows monochrome on TVs using any A520 RF modulator (used to work in colour long ago), but still works in colour on a monitor.
 

Offline lassieTopic starter

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Re: Amiga 2000
« Reply #4 on: August 07, 2012, 01:15:02 PM »
Quote from: nOw2;702610
The A2000 can develop a fault which leads to colour not being shown in some circumstances. Are you able to test on a monitor? (VGA adaptor + ECS chipset or Amiga monitor)

My A2000 shows monochrome on TVs using any A520 RF modulator (used to work in colour long ago), but still works in colour on a monitor.


Hi on my old amiga monitor the colour is just fine, but with all the televisions it is black and white
Amiga 4000 030 18 MB ram. 16 Gb HD.
Amiga 1200 030 34 MB ram. 8 Gb HD.
Amiga 1200 Tower Apollo 1240
Amiga 2000 030. 9 MB ram. 1 Gb HD.
Amiga 2000 68000 5 MB ram. 500 MB HD.
Amiga 2000 68000 9 MB ram. 1 Gb HD.
Amiga 600 4 MB ram. 4 GB HD.
Amiga 600 1 MB ram. 60 MB HD.
Amiga 500 1 MB ram.
Amiga 500 Plus
Amiga CD32
Amiga CD32
Commodore 64
Commodore 64C
Commodore 128
Commodore 128D
 

Offline blakespot

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Re: Amiga 2000
« Reply #5 on: August 07, 2012, 01:35:26 PM »
As far as I know all A2000's output greyscale via the composite out. This has been the case with the two units I've owned. It's a known thing. As far as I recall, an A520 is needed to get composite out of an A2000 -- well, short of using non-Commodore solutions.


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Offline utri007

Re: Amiga 2000
« Reply #6 on: August 07, 2012, 01:40:37 PM »
Is it so that 2 that work are old crt tvs and non working is lcd-tv?

Are you sure that cable is wired correctly? Like this : http://www.ianstedman.co.uk/Amiga/amiga_hacks/Amiga_SCART/amiga_scart.html

Open it and check
ACube Sam 440ep Flex 800mhz, 1gb ram and 240gb hd and OS4.1FE
A1200 Micronic tower, OS3.9, Apollo 060 66mhz, xPert Merlin, Delfina Lite and Micronic Scandy, 500Gb hd, 66mb ram, DVD-burner and WLAN.
A1200 desktop, OS3.9, Blizzard 060 66mhz, 66mb ram, Ide Fix Express with 160Gb HD and WLAN
A500 OS2.1, GVP+HD8 with 4mb ram, 1mb chip ram and 4gb HD
Commodore CDTV KS3.1, 1mb chip, 4mb fast ram and IDE HD
 

Offline lassieTopic starter

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Re: Amiga 2000
« Reply #7 on: August 07, 2012, 01:48:51 PM »
Thanks i have a look at it :-)
Amiga 4000 030 18 MB ram. 16 Gb HD.
Amiga 1200 030 34 MB ram. 8 Gb HD.
Amiga 1200 Tower Apollo 1240
Amiga 2000 030. 9 MB ram. 1 Gb HD.
Amiga 2000 68000 5 MB ram. 500 MB HD.
Amiga 2000 68000 9 MB ram. 1 Gb HD.
Amiga 600 4 MB ram. 4 GB HD.
Amiga 600 1 MB ram. 60 MB HD.
Amiga 500 1 MB ram.
Amiga 500 Plus
Amiga CD32
Amiga CD32
Commodore 64
Commodore 64C
Commodore 128
Commodore 128D
 

Offline lassieTopic starter

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Re: Amiga 2000
« Reply #8 on: August 07, 2012, 02:21:04 PM »
Hi its the same television i have tried, all crt
Amiga 4000 030 18 MB ram. 16 Gb HD.
Amiga 1200 030 34 MB ram. 8 Gb HD.
Amiga 1200 Tower Apollo 1240
Amiga 2000 030. 9 MB ram. 1 Gb HD.
Amiga 2000 68000 5 MB ram. 500 MB HD.
Amiga 2000 68000 9 MB ram. 1 Gb HD.
Amiga 600 4 MB ram. 4 GB HD.
Amiga 600 1 MB ram. 60 MB HD.
Amiga 500 1 MB ram.
Amiga 500 Plus
Amiga CD32
Amiga CD32
Commodore 64
Commodore 64C
Commodore 128
Commodore 128D
 

Offline Darrin

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Re: Amiga 2000
« Reply #9 on: August 07, 2012, 03:31:18 PM »
PAL v NTSC models?  Amiga monitors don't care and will display both, but your TV might only support one mode.
A2000, A3000, 2 x A1200T, A1200, A4000Tower & Mediator, CD32, VIC-20, C64, C128, C128D, PET 8032, Minimig & ARM, C-One, FPGA Arcade... and AmigaOne X1000.
 

Offline Zac67

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Re: Amiga 2000
« Reply #10 on: August 07, 2012, 08:19:04 PM »
On RGB it doesn't matter whether NTSC or PAL, there's no color encoding at all.

The only way to get monochrome is with composite (which doesn't come out of the DB-23 port) or a (very strange) short between R, G, and B...

Is the picture slightly blurred (=composite) or really crisp?
 

Offline lassieTopic starter

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Re: Amiga 2000
« Reply #11 on: August 07, 2012, 09:19:39 PM »
hi i would say the picture is very crisp
Amiga 4000 030 18 MB ram. 16 Gb HD.
Amiga 1200 030 34 MB ram. 8 Gb HD.
Amiga 1200 Tower Apollo 1240
Amiga 2000 030. 9 MB ram. 1 Gb HD.
Amiga 2000 68000 5 MB ram. 500 MB HD.
Amiga 2000 68000 9 MB ram. 1 Gb HD.
Amiga 600 4 MB ram. 4 GB HD.
Amiga 600 1 MB ram. 60 MB HD.
Amiga 500 1 MB ram.
Amiga 500 Plus
Amiga CD32
Amiga CD32
Commodore 64
Commodore 64C
Commodore 128
Commodore 128D
 

Offline Zac67

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Re: Amiga 2000
« Reply #12 on: August 07, 2012, 09:44:52 PM »
Hmm...

Pin 22 carrying +12V?

Pins 3, 4, and 5 separated by ~150 Ohms?

Possibly some kind of modification from a previous owner?
 

Offline Digiman

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Re: Amiga 2000
« Reply #13 on: August 08, 2012, 01:32:17 AM »
Amiga SCART RGB and 1084 monitor lead use the same pins and same signals for image generation so the only thing that makes sense is a grounding issue as your monitor uses 9 pin D connector? (SCART has more than 1 ground pin but 9 pin monitor cable has just 1 IIRC).
 

Offline TomJ

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Re: Amiga 2000
« Reply #14 on: August 08, 2012, 01:53:53 AM »
the composite is black and white out on 500's and 2000's I don't know why they changed it the 1000's had color. I will look for an old article telling how to modify it.