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So my GO7 screen is slowly rolling horizontally and I can't seem to make it stop with the adjustment controls. Any tips on what to check?
No. I haven't done a thing to it since I bought it. I was hoping I wouldn't have too. I'm sure a cap kit would be good for it though, the colors on the screen are looking pretty dull and faded. It took me NINE HOURS to do a cap kit on my sanyo. I am not super excited to have to the same to this one now.
Did you ever resolve this? My centipede has been doing this for a while as well. It won't hold. Rolls left and right. Going to pull the chassis and check out X301 & X305. May have a IC501 (HA11244) to swap in not sure of my stock on those. Need to check if I even have any 2SC1685's. Need to finally fix this roll problem. I'd run a cap kit long ago that did not fix this.
I have had multiple sync issues with multiple Centipede's before. I'm not sure what the hell it is with me and Centipede but i don't care if I ever work on another one again.
For mine, this was a pcb issue and not a monitor issue. It seems that sometimes the positive sync circuit becomes unstable and I have to switch to the negative sync option. Centipede supports both positive and negative sync.
What I've done, is re-pin the edge connector for the opposite sync than what you are trying. If you have a roll with positive sync, wire it for negative and see if it works. I remember Brzezicki (the Centipede guru) telling me that he has some Centipede boards that have corrupted sync circuits like mine.
Anyway, maybe this can help?
I have had multiple sync issues with multiple Centipede's before. I'm not sure what the hell it is with me and Centipede but i don't care if I ever work on another one again.
For mine, this was a pcb issue and not a monitor issue. It seems that sometimes the positive sync circuit becomes unstable and I have to switch to the negative sync option. Centipede supports both positive and negative sync.
What I've done, is re-pin the edge connector for the opposite sync than what you are trying. If you have a roll with positive sync, wire it for negative and see if it works. I remember Brzezicki (the Centipede guru) telling me that he has some Centipede boards that have corrupted sync circuits like mine.
Anyway, maybe this can help?
Well maybe I'm just dumb when it comes to Centipede, but I didn't even know you could switch to positive or negative sync. Where is this said switch at? I really do not want to repin my edge connector.
The sync circuits look to me to be controlled by about 4 transistors on the chassis, excluding those 390 Ohm resistors I need to look for. Give me the end of today and I'll snap a shot or two. Seems friggin weird that Centipede is as widespread with this problem.