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| partial vertical collapse |
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| doeby:
i have an ivan off road racing{WG}, sent the board away for repair. i then took monitor out of cab and the chassis. I got the board back, as i was putting it back together the neck board was real pain to get back together with monitor. Now i have half a good screen, and top half of screen has vertical collapse. i have all the colors and good focus on the working part. the screened was flipped and backwards, so i flipped the red and the blue, and the screen wasn't backwards anymore then i flipped the green and yellow, and now have total collapse. Is it definitely the chassis has a problem? Could this happen if i messed pins up putting the yoke back on? I am correct in saying this problem is not the main board since its vertical collapse? The monitor did work before i sent the board away for repair. |
| Zebidee:
You get a horizontal line on the screen? CRT chassis might be just some cold/dry/cracked solder joins, opened up due to being handled and moved about, and most likely around the vertical IC. Check underside carefully with a magnifier lens, reflow solder if necessary. Could also be caps (have they ever been checked/replaced?) or the vertical IC itself. Try checking voltages at Vcc, input & output pins. You can send the monitor chassis (sans tube) away for repair too, so long as they have a compatible tube to test it on. |
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