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/  Forum Index
   /  Classic Amiga Hardware
      /  -Commodore 1942 Monitor goes Black Screen
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Drummerboy 
-Commodore 1942 Monitor goes Black Screen
Posted on 31-Aug-2010 2:21:54
#1 ]
Regular Member
Joined: 3-Jul-2003
Posts: 377
From: Santa Fe, Argentina - San Jose Costa Rica

Hello,

i have here a C=1942 Monitor, work fine.. But 2 times, the monitor goes black screen, then if you turn off and turn on again, all returns to normal..

Anybody happen something like this with any C=1942 Monitor too?.. I do not think that is about to die, but you never know what could happen.

remember .. do not pass any other problem, such as fading, or toher problems..

Comments?..

regards.

_________________
Amiga 1000, 500, 600, 2000, 1200, 4000...

C= VIC 20 / 64 / SX64/ 128

Atari 600XL (SIC Cartdridge)
Atari 800XL (SIO2SD Unit)

Jay Miner`s Atari 2600 - Wood front -

"Amiga, this Computer have a Own Live"

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Deniil715 
Re: -Commodore 1942 Monitor goes Black Screen
Posted on 31-Aug-2010 7:45:37
#2 ]
Elite Member
Joined: 14-May-2003
Posts: 4248
From: Sweden

@Drummerboy

Might be a bad connection somewhere. Cable come loose or soldering gone bad. Switching off and on may give it that slight nudge both physically and electrically so it works again.

Did you try slapping it on the side when this happens?

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- Don't get fooled by my avatar, I'm not like that (anymore, mostly... maybe only sometimes)
> Amiga Classic and OS4 developer for OnyxSoft.

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saimo 
Re: -Commodore 1942 Monitor goes Black Screen
Posted on 31-Aug-2010 11:22:56
#3 ]
Elite Member
Joined: 11-Mar-2003
Posts: 2528
From: Unknown

@Drummerboy

Just 4 days ago, after 4 years and 4 months (yes, 4, 4, 4... just a coincidence) of total neglect, I have exhumed my A1200 from a box in the cellar to see if it still worked and give it to the careful hands of a friend who would have a use for it. It has a 1940 monitor, which, except for the slightly bigger pitch size, is identical to the 1942. Well, guess what: the very same thing happened also to me! The monitor didn't display anything twice. I found out that the problem was with the cable being bent too much in the uncomfortable, temporary position I placed the pieces.
Ah, the memories...

Last edited by saimo on 31-Aug-2010 at 12:29 PM.

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Drummerboy 
Re: -Commodore 1942 Monitor goes Black Screen
Posted on 31-Aug-2010 23:19:05
#4 ]
Regular Member
Joined: 3-Jul-2003
Posts: 377
From: Santa Fe, Argentina - San Jose Costa Rica

@Deniil715

Yeah.. some research they seem to be cold or dry solder.. maybe in the power supply output .. but.. i will check.. i think maybe the next weekend..
i dont not nudge..but if happen in this next days maybe i can check shaking or tapping the monitor..
This just happen to me 2 times.. in an interval 2 weeks ... but can be a symptom that is about to fail need check something

_________________
Amiga 1000, 500, 600, 2000, 1200, 4000...

C= VIC 20 / 64 / SX64/ 128

Atari 600XL (SIC Cartdridge)
Atari 800XL (SIO2SD Unit)

Jay Miner`s Atari 2600 - Wood front -

"Amiga, this Computer have a Own Live"

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Drummerboy 
Re: -Commodore 1942 Monitor goes Black Screen
Posted on 31-Aug-2010 23:21:32
#5 ]
Regular Member
Joined: 3-Jul-2003
Posts: 377
From: Santa Fe, Argentina - San Jose Costa Rica

@saimo

Really?... wow!.. what a coincidence.. i think about the age maybe some was manufactured in the same time.. now are start to fail ..

And what happen with you monitor?.. di not fix it?

_________________
Amiga 1000, 500, 600, 2000, 1200, 4000...

C= VIC 20 / 64 / SX64/ 128

Atari 600XL (SIC Cartdridge)
Atari 800XL (SIO2SD Unit)

Jay Miner`s Atari 2600 - Wood front -

"Amiga, this Computer have a Own Live"

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saimo 
Re: -Commodore 1942 Monitor goes Black Screen
Posted on 1-Sep-2010 8:39:25
#6 ]
Elite Member
Joined: 11-Mar-2003
Posts: 2528
From: Unknown

@Drummerboy

After straightening the cable, the monitor works just fine

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Drummerboy 
Re: -Commodore 1942 Monitor goes Black Screen
Posted on 1-Sep-2010 17:02:16
#7 ]
Regular Member
Joined: 3-Jul-2003
Posts: 377
From: Santa Fe, Argentina - San Jose Costa Rica

@saimo

Great!..

Wich part of the cable?.. the part close to the monitor, or Inside monitor?.. or side of computer conector?

_________________
Amiga 1000, 500, 600, 2000, 1200, 4000...

C= VIC 20 / 64 / SX64/ 128

Atari 600XL (SIC Cartdridge)
Atari 800XL (SIO2SD Unit)

Jay Miner`s Atari 2600 - Wood front -

"Amiga, this Computer have a Own Live"

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saimo 
Re: -Commodore 1942 Monitor goes Black Screen
Posted on 1-Sep-2010 17:04:36
#8 ]
Elite Member
Joined: 11-Mar-2003
Posts: 2528
From: Unknown

@Drummerboy

I can't exactly tell, because the cable was twisted in several points (especially close to the rear of the monitor) and also longitudinally (I can't find the words to explain: think of grabbing the cable with one hand, then grabbing it somewhere else with the other hand, keeping it straight and rotating the wrist). I just had to make it lay more comfortably to get everything to work as usual.

Last edited by saimo on 01-Sep-2010 at 05:07 PM.
Last edited by saimo on 01-Sep-2010 at 05:05 PM.

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Drummerboy 
Re: -Commodore 1942 Monitor goes Black Screen
Posted on 1-Sep-2010 17:56:33
#9 ]
Regular Member
Joined: 3-Jul-2003
Posts: 377
From: Santa Fe, Argentina - San Jose Costa Rica

@saimo

Ok..

I understand..

_________________
Amiga 1000, 500, 600, 2000, 1200, 4000...

C= VIC 20 / 64 / SX64/ 128

Atari 600XL (SIC Cartdridge)
Atari 800XL (SIO2SD Unit)

Jay Miner`s Atari 2600 - Wood front -

"Amiga, this Computer have a Own Live"

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