CD32 Video problem

zharn · 26 December 2016, 05:33

Hey

Got myself my first cd32 but it has a problem with the video. I can sometime get it to work if i power up without the composite cable (or s-video) plugged in. Then plug in the video cable.

Its been recapped im aware of the two backwards caps.

Any ideas would be great. Thanks

https://drive.google.com/file/d/0Bz1...w?usp=drivesdk

emufan · 27 December 2016, 22:06

what causes such strange video corruption? looks like a copper/blitter effect from a scene demo. anyone?

Amiga1992 · 27 December 2016, 22:11

That looks weird. Have you tried another display? I feel like it's your monitor freaking out with the Amiga's progressive signal.
Does the monitor support 240P?

spiff · 28 December 2016, 11:46

Quote:

Originally Posted by Akira

That looks weird. Have you tried another display? I feel like it's your monitor freaking out with the Amiga's progressive signal.
Does the monitor support 240P?

Shouldn't the whole picture be bad then?

With boot problems my guess would be the power brick getting old.
But with graphic issues chip/connector going bad feels more likely.

idrougge · 28 December 2016, 12:44

What kind of screen is that?

Toni Wilen · 28 December 2016, 13:08

CD32 boot screen is interlaced, not PAL/NTSC progressive mode that can confuse some (digitally processed) displays.

Does in-game (non-interlaced) screens also have same glitch?

Amiga1992 · 28 December 2016, 16:34

Yeah good call, that screen is interlaced. Should progress further into the game.
I still feel like it's a monitor freak-out, what possible fault can an Amiga attain that gives out that picture? I never seen anything like that in my life.

zharn · 03 January 2017, 11:38

Monitor freak out, just tried a little teac tv i bought for retro, and its works fine. The computer monitor is an Asus 20" but the kingdom of junk makes it bit hard to get to the back of it.

my kipper ps2 adaptor works. Never had a cd32 im beginning to really like it!!

Amiga1992 · 03 January 2017, 15:33

I'm glad you figured it out. Rule #1 of figuring weird shit out is always try to find fault at the easiest possible problem to fix

.

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26 December 2016, 05:33	#1
zharn Registered User Join Date: Nov 2012 Location: Brisbane Australia Posts: 150	CD32 Video problem Hey Got myself my first cd32 but it has a problem with the video. I can sometime get it to work if i power up without the composite cable (or s-video) plugged in. Then plug in the video cable. Its been recapped im aware of the two backwards caps. Any ideas would be great. Thanks https://drive.google.com/file/d/0Bz1...w?usp=drivesdk

27 December 2016, 22:06	#2
emufan Registered User Join Date: Feb 2012 Location: #DrainTheSwamp Posts: 4,545	what causes such strange video corruption? looks like a copper/blitter effect from a scene demo. anyone?

27 December 2016, 22:11	#3
Amiga1992 Registered User Join Date: May 2001 Location: ? Posts: 19,645	That looks weird. Have you tried another display? I feel like it's your monitor freaking out with the Amiga's progressive signal. Does the monitor support 240P?

28 December 2016, 12:44	#5
idrougge Registered User Join Date: Sep 2007 Location: Stockholm Posts: 4,332	What kind of screen is that?

28 December 2016, 13:08	#6
Toni Wilen WinUAE developer Join Date: Aug 2001 Location: Hämeenlinna/Finland Age: 49 Posts: 26,510	CD32 boot screen is interlaced, not PAL/NTSC progressive mode that can confuse some (digitally processed) displays. Does in-game (non-interlaced) screens also have same glitch?

28 December 2016, 16:34	#7
Amiga1992 Registered User Join Date: May 2001 Location: ? Posts: 19,645	Yeah good call, that screen is interlaced. Should progress further into the game. I still feel like it's a monitor freak-out, what possible fault can an Amiga attain that gives out that picture? I never seen anything like that in my life.

03 January 2017, 11:38	#8
zharn Registered User Join Date: Nov 2012 Location: Brisbane Australia Posts: 150	Monitor freak out, just tried a little teac tv i bought for retro, and its works fine. The computer monitor is an Asus 20" but the kingdom of junk makes it bit hard to get to the back of it. my kipper ps2 adaptor works. Never had a cd32 im beginning to really like it!!

03 January 2017, 15:33	#9
Amiga1992 Registered User Join Date: May 2001 Location: ? Posts: 19,645	I'm glad you figured it out. Rule #1 of figuring weird shit out is always try to find fault at the easiest possible problem to fix .

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