Space Invaders Monitor Dry rot!

squall280

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So i got a space invaders and the image was slightly diagonal. figured on the neck if i turned it a bit that would get it to resolve the issue. i cracked the top piece off. seems liek the plasitc was rotted but it must have been very fragile. now inspceting it it doesn;t seem to be any connections at all that have been seperated. seeing as i knwo nothgin about monitors i may be wrong. here are three pictures of whats going on.

thats the top piece that cracked.

that before the game starts. note the top line. that wasn;t there before i went ahead and played with it.
IMAG0097.jpg

thats the screen while the game is in play.

any help?
 
yeah recap that thing man shes doing the hula pretty good there..

as far as reattaching that broken piece, some epoxy would work well.

you may also have a pcb issue my game does not have the lines through the caracters like that.
 
Looks like you just broke the yoke's plastic housing a bit, the part where the terminals connect to. As long as the main yoke form (the part the coils are wound on) doesn't get broken, it's fine.

The white lines through the invaders are a board problem.

The warpy picture is a monitor problem. You should really recap the monitor before doing much else, you'll never get a good picture if you don't.

-Ian
 
its not the pcb board. if you wiggle that piece the luines come in and out. going to get in there today and see if i coudl spot any connection issues.
 
its not the pcb board. if you wiggle that piece the luines come in and out. going to get in there today and see if i coudl spot any connection issues.

The white lines through the invaders are definitely a board issue. There is no way the monitor can fail in such a way as to do that.

The warping in the picture, on the other hand, is the monitor.

If you want to isolate the problem to the game board, look at the game's wiring diagram - it's trivial to connect the video signal input that's meant to go to the monitor to a modern television set (it's just monochrome composite video) for testing.

If you can wiggle something and get those white lines to go away, then you're somehow wiggling the game board and flexing a bad connection there.

-Ian
 
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