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I have a mitsubishi 35" television and when turned on, there is only a horizontal line about halfway up, all the way across the screen. If I change the input, the line changes color, but the rest of the screen remains dark. thanks

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  • jackcin Oct 19, 2008

    The model is CS-35505. It is not a projection television. It's about 11 years old, but had been a great television, so I'm obviously wondering whether the repair cost would be so high I should replace it, or just get it fixed. Any idea what a repair shop might charge for such a job? thanks

  • jackcin Oct 19, 2008

    thanks,
    I expected this was probably the best way to go, but needed to hear it.

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  • Master
  • 6,966 Answers

Hi,

Initially, it would appear that you unit has a fault vertical deflection amplifier (IC).

If you could perhaps post back the exact model number, then we can give more specific details. The unit will have to be opened. This of course would require a fair familiarity of electronic components/circuitry and safety procedures, use of a DVM and a soldering iron. It would be to your added advantage access to a service manual or at the very least a schematic diagram with voltage readings. Should you be uncomfortable performing a DIY (do-it-yourself), perhaps your best bet would then be to seek the services of a qualified professional.

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.

Posted on Oct 19, 2008

  • Louie  Role
    Louie Role Oct 19, 2008

    Hi again,



    • Additionally, other than the model number, a useful bit of information is the Chassis # which should be something like EE2;

    • Incidentally, a good number of Mitsubishi products uses either a μPC1378H or AN5521 for their vertical deflection.
    Of course again to be more specific, the exact model number and/or chassis number is required.

    Cheers.

  • Louie  Role
    Louie Role Oct 19, 2008

    The replacement parts, I doubt if would be expensive. It is the service fee that you might have to reconsider. Depending on your location and accessibility. If you are uncomfortable with a DIY, perhaps a knowledgeable buddy could perform the actual soldering.

    Mitsubishi CS35505


    • check/Replace Vert. output IC (TA8427K);

    • Check/Replace R597? (1.2 ohm resistor) in +27 volt source to Vertical. Pls verify, if tested with new Vertical IC and this resistor is open, the HOut (2SD2349) will be blown;

    • In some instances, it is the AN5306NFBS that misses output vertical pulses.



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  • 848 Answers

Check the filter caps in the main power supply area.....

Posted on Oct 19, 2008

  • gopinath pasupathy Oct 19, 2008

    there is chance of bad capacitor in the horizontal deflection or video circuitry...... you can spot a bad capacitor in circuit with a ESR meter........

  • gopinath pasupathy Oct 19, 2008

    replace the tv since it is 11 years old ...it will be costlier to repair it rather than buying new one .......your tv is too old so there is chance that you need to change lot of components like resistors,capacitors , transformer , crt etc ......ageing of electronic components causes lot of trouble ......so replace your tv ........

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