I've got a pair of Sony GDM-C520 monitors with the the following problems...
One of the is way too bright, even with the brightness control all the way to zero, and it has horizontal scanning lines going from side to side, top to bottom. This one has a strong blue background. The colors looked washed out at start, but when the picture tube warms up, the colors depth goes back to normal, and it looks decent.
The other unit had its tube replaced with a new one, but it has a strong green brackground which makes it impossible to set colors, specially blacks. I turned the green gain to 25 and the image is blueish, but the blacks/grays don't look look.
For the first unit, I located the G2 and removed the A1 board (C block) which plugs to the neck of the picture tube, and found three resistors R151, R251, and R351, all with the same value 4.6-4.7 MOhms. Are these the resistors that needs to be replaced? If not, what is is it that needs to be replace?
For the second unit... Any suggestions of what to do to fix the green glow problem would be greatly appreciated!
Also, if someone could tell me get can I obtain an unlocked version of WinDAS, I would really appreciated!
Thanks so much in advaced!
LAG, Jr.
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