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| | |-+  K7500 I have to be missing something obvious...		 0 Members and 2 Guests are viewing this topic. « previous next »
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Author Topic: K7500 I have to be missing something obvious...  (Read 6961 times)
Angry_Radish
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« on: August 07, 2009, 01:08:41 AM »
Hi all,
I have a 27K7502 monitor that is dark only on the left side.
I've done a cap-kit, and even swapped the flyback with a spare with no change.
Is there something else I should be looking for?
If I turn up the screen control the text is barely visible under the black, but it's there...

Thanks in advance, this thing is killing me!
Dan

* SSDS_Partial_screen.jpg (61.15 KB, 800x600 - viewed 428 times.)
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jay
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« Reply #1 on: August 07, 2009, 01:15:14 AM »
Just grasping at straws but have you tried a different input signal, perhaps its not the monitor.
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Angry_Radish
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« Reply #2 on: August 07, 2009, 01:20:14 AM »
Certainly worth a shot, I'll have to see what other med res games I have around the shop, I hadn't considered the source being an issue  Duh!



**EDIT**
Took a shortcut and removed the signal cable, same dark band with no signal applied, definitely the monitor.
**/EDIT**
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Angry_Radish
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« Reply #3 on: August 07, 2009, 01:08:49 PM »
Any other thoughts?

I see reference to this exact problem in some of the Randy Fromm flowcharts, all referencing specific caps as being the culprit but I don't have a flowchart for the k7500 to see what it says on the subject...
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bravosavo
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« Reply #4 on: October 15, 2010, 02:39:03 AM »
You need to re-check the looped black wire that goes through the flyback ferrite core.You looped it the wrong way.That's all what you need to do.
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