Question about Samsung SyncMaster 753S 17" CRT Monitor

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Samsung CRT monitor Horizontal width control

I have an arcade machine with a samsung 21inch CRT, problem is the H SIZE has stretched to full widt. When using the buttons on the control panel, the CRT menu shows the H SIZE adjusting up and down from 0 - 100 but the Actual CRT Size does not change.

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  • ramb018 Feb 12, 2009

    Thanks for your quick answer, The V Size and other controls work, just not the H size, do you still have the same diagnosis?

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Unfortunately there is really no way to fix that what happened is that the crt is no longer responding to the menu best bet would to purchase another one.

Posted on Feb 12, 2009

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Explain how the monitor buttons work


Monitor Icon Description of icon function moncont.gif Power - Turns the monitor on or off.
Brightness - Using this button or wheel the user can increase and decrease the brightness on the screen.
Contrast - Using this button or wheel can increase and decrease the amount of contrast on the screen.
Horizontal Size - Allows for the picture on the screen to be stretched to the horizontal edge of the monitor.
Vertical Size - Allows the picture on the screen to be stretched to the vertical edges of the monitor.
Horizontal Position - Allows the picture to move moved horizontally, once in the center the user can then use the Horizontal size to stretch it to have an equal amount of black border on each side.
Vertical Position - Like the Horizontal Position, using this button or wheel the user can move the picture up or down to center the picture more appropriately.
Full Screen - Sets monitor to full screen.
Degauss - This button will degauss the CRT, restoring possible color impurities. After this button has been pressed the degaussing circuit will be activated and then deactivated after a few seconds. Pressing and holding this button for a few seconds may cause your computer monitor to reset all data.
Corner and Trapezoid Correction - Using this button or wheel the user can either round the edges of the picture or move the picture inward like an hour glass or outwards.
Vertical Linearity - Sets the width of the vertical lines.
Moire - Removes or reduces the Moire effect, if any.
OSD Controls - If the monitor contains OSD controls, allows for the OSD menus to be adjusted.
Power Management - Allows the user to define the power management settings through the monitor itself and not the software.
Monitor Status - Displays the current monitor settings such as refresh rate and other settings.
Language - Sets the language on the monitor.

Aug 16, 2014 | Computer Monitors

1 Answer

Samsung sync master 753s crt monitor widh very low, EHT driver transister volt 78 .please tel the answer?


first of all check weather the width is getting varied from the front panel menu. if there is a vary in width but not full, then need to vary in factory level settings with the help of JIG software provided by Sansung with KIT. The KIT is connected between the CPU and the Monitor.

IF there is no change in width with the front menu, then chage the high voltage PF capacitors at Width section and EHT section(near output transistor (near LOT)).

Dec 10, 2010 | Samsung SyncMaster 753S 17" CRT Monitor

1 Answer

Picture is too wide


please check the width section transistor and while it is good condition please check the power diode in width section near to lot and replace the fly back capacitor that range is high volt its situated near to lot.

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2 Answers

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1. change the flyback 1600v working voltage pf.(near to Horizontel transistor.)

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1 Answer

Philips 104E width uncontrollable


Sounds like an inverter problem. If the power supply is internal replace the capacitors coming out of the voltage regulators. These are usually 1000mf and/or 470mf. If that doesn't do the trick look up the numbers on the 8-pin chips that drive the secondary transformers on the inverter to see if they are getting the right voltages.
Good Luck!

Jan 16, 2008 | Computer Monitors

1 Answer

LG Studioworks 700S 17" CRT problem is width is not control


hi there, width means at the horizontal section problem, you have a defective parts at that section, it maybe a electrolytic or mylar capacitor, it is usully replace the parts automatically. ty

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1 Answer

Problem with H-Size


you know,in the main board of a monitor you can find a trimmer resistor in horizontal section try to rotate it while the power is on so that you cn see the effect/

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1 Answer

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To have unlock your control (auto-adjust ...) you have to hold down the "menu Key" for about an 10 seconds. This will unlock your monitor! peroludiarom@abv.bg

May 30, 2006 | Samsung SyncMaster 753S 17" CRT Monitor

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