Question about ViewSonic NX2232w TV

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ViewSonic NX2232w 22" monitor. Model

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  • Master
  • 1,961 Answers

This kind of problem usually caused by a cold solder of components at the boards.You need to open the back cover of the TV and have a visual inspection on the boards.

here are the boards to check.

1.power supply board -this board is where the power cord is connected use a soldering iron to resolder all the possible loose board components.check also all the connectors/cables be sure it fits the socket and nothing is loose.Replace also any bulging capacitors use capacitor of the same rating.
2.The inverter board- this board is a high voltage board.The power input is 24 volts DC and the output is 100-200 volts be careful not to touch them during power on.The usual faulty here is the wiring connectors just re tighten the connectors and solder the connector terminals.

Posted on Mar 13, 2011

  • Danilo Baraquiel
    Danilo Baraquiel Mar 13, 2011

    3. The T-CON (Timing Control or LCD controller) board (on the LCD panel assembly). It transfer the universal image signal of TTL and LVDS signal to specific TFT (Thin Film Transistor) LCD.
    This
    is the interface board that talks to the Logic board and the LCD panel
    to produce pictures on the screen. White/gray glowing screen when it
    fails or not getting the voltage from the logic board (the 5 or 12vdc is
    supplied by switched transistor on the logic board). Notes: T-CON board is mounted under the metal cover shield.
    Common failures:
    Scrambled pictures, Lines, multiple pictures, color smears/blotches, rolling pictures after warm up.
    Blown surface mounted fuse.
    No pictures, very dark screen almost like there is no backlights.this board is availablle on line at shoppejimmy.com. heres the link you can inquire here

    you can order here a repair kit for your viewsonic TV.Just follow this link

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