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Sony GDM-2038 monitor shows only pink

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MHEX

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gdm-2038

Hello!!!
First time posting :p
I have an old gdm 2038 trinitron monitor with a fault.
THe problem is, the picture shows pink. From my (very little) knowledge on monitors, I am not assuming the green gun is dead because green does still display but it is very dark.
This screen doesn't appear to have a standard circuit layout but I located 3 pots at the back but they did nothing to any of the colours when i tried adjusting them.
Another problem I had earlier was vertical rolling, but i resoldered some dry joints on this same circuit board at the back and the problem dissapeared.
I have also checked the rgb cable and tried replacing with a salvaged vga lead from old mon, but no luck...
From this, can anyone tell me how i might bring back my green?
Does anyone have a manual for the gdm 2038?
I think this is a very old model, possibly 10 years old but it would be nice to get it going because the focus and brightness are in resonably condition.

Cheers,
mik
 

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