Having problems with your Tatung L17AMTN 17" Flat Panel LCD Monitor ?

Monitor L17AMTN flashes WinXP desktop, then blanks.

\015 Testing this monitor with bench 12V PS. Center pin positive? Power light shows yellow light. Power light flashes green, monitor shows desktop for 1/2 second, then blanks out. Repeats over and over.\015\012\015\012Does anyone have schematic?\015\012\015\012Anyone have a clue about this?\015

Answers :

Dmellman, Before you open it up, try this! With fully booted pc and WIN DESKTOP screen up, reconnect the L17AMTN . Have a bright flashlight handy so that when the lcd screen flashes on for 1 second and then goes dark, you will want to check to see if the desktop remains on the screen even though you think it went away. Shine the light 1-2 inches from screen at different angles. Has the desk top completely disappeared or is it still being displayed? Do you know about Cold-Cathode-Fluorescent tubes and their Inverter type power supply? I assume that this unit also has a "lay on floor black box switch-mode-power-supply" that is supposed to supply raw 12v-14v dc to the monitor? This symptom is typical of lcd monitor power supply failure, and or inverter board failure. Not to mention the fact that the CCFT's could be a bit tired from use. YOUTUBE has some videos on taking apart lcd monitors. also do search on web for "bad caps on lcd boards" or "bad caps in lcd monitors". I should think that this Tatung might suffer from swollen cap-itis. get back to me with results of your investigation. Im louie12fix on fixya or [email protected] just nrth of Windy City
Repair Help & Product Troubleshooting for Tatung L17AMTN 17" Flat Panel LCD Monitor

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Dmellman, Before you open it up, try this! With fully booted pc and WIN DESKTOP screen up, reconnect the L17AMTN . Have a bright flashlight handy so that when the lcd screen flashes on for 1 second and then goes dark, you will want to check to see i ... Tatung L17AMTN 17" Flat Panel LCD Monitor

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