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macgyver655
Joined: 22 Aug 2007
Posts: 8508
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| Posted: Sun Feb 05, 2012 12:51 am Post subject: |
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Are you sure the black video wires coming from the RGB card to the neckboards are on correctly and not reversed?
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416ray4538
Joined: 14 Jul 2009
Posts: 517
Location: near Toronto Ont
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| Posted: Sun Feb 05, 2012 12:58 am Post subject: |
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One side of the black plug says "Mexico Amp" and a large dot. These are all attached so that the printed side shows. Turned the plug on red the other way and while slowly turning G2 up there were 2 brief lines then nothing and would not repeat. Turned PJ off and returned wire to printed side showing.
_________________
When the first clock was invented, how did they know what time to set it to?
No point being pessimistic; it probably would't work anyway.
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macgyver655
Joined: 22 Aug 2007
Posts: 8508
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| Posted: Sun Feb 05, 2012 1:04 am Post subject: |
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I'm more concerned about that green right now. The green and blue should be showing a test pattern at the least, even with a red problem.
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416ray4538
Joined: 14 Jul 2009
Posts: 517
Location: near Toronto Ont
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| Posted: Sun Feb 05, 2012 1:11 am Post subject: |
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Against better advice I changed the battery on the CPU board myself. At the time it seemed like the thing to do since anything stored in the memory was already lost. My soldering skills are no doubt less than they should be for this type of work and I'm wondering if I have a gob of solder somewhere that it shouldn't be.
Are the patterns generated on the CPU board?
_________________
When the first clock was invented, how did they know what time to set it to?
No point being pessimistic; it probably would't work anyway.
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macgyver655
Joined: 22 Aug 2007
Posts: 8508
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| Posted: Sun Feb 05, 2012 1:18 am Post subject: |
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If memory serves me right the patterns are generated on the RGB board but they are controlled by the CPU board. You definitely have something funky going on here. You may have to have some boards tested to find the problem.
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416ray4538
Joined: 14 Jul 2009
Posts: 517
Location: near Toronto Ont
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| Posted: Sun Feb 05, 2012 2:57 am Post subject: |
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When I sent the CPU board and the blue neck board to Curt, my daughter first took a pic of my soldering job; she has a much better camera than I do. After the pic was on the computer I blew it up for a closer look. There was a gob of solder between two of the tracks.. Curt tested the board and apparently cleaned it up without saying anything. Thanks Curt.
I just went over the PJ again checking plugs and I found a piece of one of the resisters from a neck board in the hinge for the lid. There is no piece missing at this time so this PJ has broken one of these resisters before.
Anyway I'm lost.
Do you have spare boards Curt?
_________________
When the first clock was invented, how did they know what time to set it to?
No point being pessimistic; it probably would't work anyway.
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