Question about Samsung SyncMaster 750S 17" CRT Monitor
This kind of symptoms can be correct by the focus adjustment at the flyback transformer. FBT mostly has two control knob (Focus and Screen), focus is usually at the top one like in the sample picture below.
Open the back cover of your unit and then locate the FBT. Power on the unit and try to adjust the focus knob.
If the symptoms can't be cured by the this step, this is an indication that the CRT socket is already faulty. You have to replaced this parts and then make some adjustment at the focus knob of the FBT and your unit will back to normal again.
CRT(picture tube) socket
Hope I helped you.
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Posted on Jul 14, 2011
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