Question about Compaq 7500 17" CRT Monitor

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Less H-width for higher resolutions

Dear Sir, my monitor Compaq 7500e is working fine with 800 X 600 resolution. But when I change to 1024 X 768, the horizontal width decreases. even after expanding thru OSD menu to 100%, the display is less for about 2 inches on left and 2 inches on right side. Vertical size is OK in all respects but horizontally it is squeezed inwards. I changed EHT, H-DRV transistor, H-output Transistor but problem persists.
Kindly advise

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  • aniejony Dec 17, 2008

    Dear Sir I have schematic diagram of Compaq 7500e monitor. It provides some voltage details at some test points for 1024X768 resoulutions which are almost same as measured in my monitor PCB. Test point voltages for 800X600 resolution are also nearly same. But the problem of less H-width in 1024X768 mode persists. This monitor can support even higher resolutions. kindly advise

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  • Compaq Master
  • 2,382 Answers

This is not the electronic problem, this monitor is made to support such (800x600) resolution.

Posted on Dec 17, 2008

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