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Posted by Mark D. Zacharias on August 8, 2006, 6:55 am
Edu wrote:
> Ok, and assuming it's a CRT problem, is there any way to adjust to
> make it last for, let's say, some months? Increasing screen grid
> should improve something in this? I know it is a bit dangerous
> because it might fasten the CRT distruction..., right?
>
> Thanks!
> Edu
>
> Mark D. Zacharias ha escrito:
>
>> Edu wrote:
>>> Hello!
>>> I have a problem with a TV set.
>>> The images are primarily pink. I have checked there is not green
>>> colour, except for the black and shadow areas. I mean: In a RGB
>>> pattern, red shows good, blue shows good, but green doesn't show,
>>> but, all the black areas appear green. Also, when selecting another
>>> channel, the short interval when the screen should be black in the
>>> mean, it is green...
>>>
>>> Another thing, there are several horizontal white thin lines,
>>> separated about 1 centimeter.
>>>
>>> The TV has been serviced 2 or 3 times, by non-very-trustable
>>> services. They reported to have a wasted CRT. But I think a wasted
>>> CRT should have problem in all the colors, right? And what about
>>> the retrace lines?
>>>
>>> I have electronics knowledge, but no tv repair experience at all,
>>> although I teorically know all the blocks and modules inside.
>>>
>>> What test/adjustments can I do?
>>>
>>> Thanks in advance
>>
>> Does sound like the CRT to me.
>>
>> Mark Z.
A knowledgeable person could try adjusting thing like the crt drive and
cutoff adjustments. Might help a bit. In my experience Sony tubes don't fare
well in rejuvenation attempts - they often seem to die altogether.
Mark Z.
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