KDS 190i, Faulty HorizontalWidth Control

try any computer repair shop

hi,
your monitors horizontal deflection side have some problem. you have to check the horizontal width cotrolling transistor mounded on the aluminum heatsik near the lot( line output transistor). also check the three mosfets which adjust the width for different resolutions. there are three such mosfets in the horizontal section.

fist of all replace the width controlling transistor in the heat sink. photo of mosfet and transistor is added for reference. not the exact number.
ok

Press the OSD (On Screen Display) button on the monitor.
Use the UP/DOWN and LEFT/RIGHT buttons to navigate through the menu, to get to the "horizontal position" menu.
Press the OSD button to "select" that setting.
Press the LEFT/RIGHT buttons to "move" the image LEFT/RIGHT.
Press the OSD button to "apply" the new location.
Wait a few seconds, and the OSD menu should close itself.

To adjust the display settings:

1. Press the flywheel control. The main menu appears.

The current display settings appear across the top of the main menu.

2. Rotate the flywheel to highlight an option. The name of the
highlighted option appears in the center of the menu.

3. Press the flywheel control to select the highlighted option, then
rotate the flywheel to adjust it.

Some options can only be enabled or disabled. There are also some
options that contain additional menus.

4. Repeat Steps 2 and 3 until you have made all your changes.

5. Rotate the flywheel control until Exit is highlighted, then press
it to exit the OSD control system.


OSD OPTIONS:

Contrast increases or decreases display image contrast.

Brightness increases or decreases display image brightness.

Horizontal Size increases or decreases the width of the display image.

Horizontal Position moves display image to the left or right side of
the screen.

Vertical Size increases or decreases the height of the display image.

Vertical Position moves display image to the top or bottom of the
screen,

Pincushion curves the sides of the display image inward or outward.

Trapezoid increases or decreases the trapezoid distortion of the
display image.

Degauss removes magnetic discoloration from the display image.

Recall returns most options to the original factory default settings
if the monitor is currently using a preset video mode. (See the “Video
modes” section in this guide for information about the factory preset
modes.)

Advanced Option opens the Advanced Option menu. Color opens the Color
Manager menu.

Language changes the display language for the OSD control system.

User displays information about the monitor’s preset modes.

OSD Manager moves the OSD control window on the screen.

Exit closes OSD control system.

\http://www.retrevo.com/support/Dynex-DX-LTDVD22-TVs-manual/id/23122dj497/t/2/
Above is a manual link. usually you use multiple presses on the buttons to get to the menus. One button, is menu, the others are for up.down & left/Right. The same as for Horz Posn. You press the menu, use the L/R buttons to go to the menu item, then up and down to + or - the setting.
have a look at the manual.

The KDS has an 'OSD' ("on screen display").
Press one button on the front of the KDS to activate the OSD, and navigate through its various menu-items, to find the "reset" control.

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

Hi,

This could either be a problem with the horizontal width circuitry (either a capacitor or a resistor or even a diode pair) or a filter capacitor in the power supply.

You could try lowering the screen resolution of your computer's desktop properties.

Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.

Good luck and kind regards.

Thank you for using FixYa.

chk the resolution is as mentioned by the makers in the user mannul.

horizontal lines can be caused by either a faulty grapchics card or a faulty monitor. try adjusting the screen refresh rate. if you are using a windows xp system goto

start>control panel>display>settings>advanced>monitor

then adjust the screen refresh rate and see if the horizontal lines disappear. if not, then you probably have a faulty graphics card or monitor.