Philips 42PFL9732D inverter problem

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  • janos6662000
    Philips 47PFS7509/12 LCD TV problem
    by janos6662000
    Hi

    I have here a Philips 47PFS7509/12 LCD TV which came to me with a weird problem : without signal i could access menu, make a factory reset, access menus, etc.
    When i applied cable signal to check image, i had normal picture, but TV was restarting.
    I downloaded original firmware and applied the update, but the problem remained.
    From a colleague i received a "factory package software" which is a lot bigger.
    I made another firmware update, but still did not solve the problem.
    Somewhere on the way the error got worse, because at the moment the...
    08-12-2025, 12:54 PM
  • courtcircuit
    Philips HTS8000 home cinema noise problem
    by courtcircuit
    Hello

    I have since a long time a Philips HTS8010S/01 which has been old but was doing the job.

    Since a few days, it starts by making a weird "static" nois when switches on for a few seconds to a minute and then works like a charm.
    Noise loudly outputs from the 3 channels, even if no signal is sent by the controler.DVD to the subwoofer/amp unit.

    I was thinking of a soldering that was starting to be damaged and that was only doing the job after a few seconds of heating, most probbaly on the power board
    Removed each of tyhe boards
    ...
    02-08-2025, 08:22 AM
  • valvashon
    Insignia NS-LCD19-09 (PS OK, Inverter problem?)
    by valvashon
    For some reason I'm just not going to let this 19" TV defeat me. I guess because I have a schematic to work from I feel like I'm oh so close.

    History- while adding a turn-on circuit I let a small screw roll under the power board. Worked through all of that circuitry, probably replacing a MOSFET and PWM controller that were not bad but I was following the service manual. Finally figured out that the power supply is in working order when the inverter section (for the backlights) is disconnected. When the +12 supply to the inverter is disconnected the +12 and +5 will come up...
    1 Photo
    01-04-2024, 01:44 PM
  • theone111
    Problem with LG Plasma 60PM6700 - Random power downs
    by theone111
    I have an LG Plasma TV 60PM6700 for the past ~12 years.

    In the last ~3-4 months I have been having some issues.
    1. Problem: It started with random picture disappearing (sound still worked).
      Frequency: Happened about once a week.
      Solution: Had to turn off TV wait a few seconds before turning it on again.
    2. Problem: Then it got worse and the TV started to shut down and when turning on the no picture just sound.
      Frequency: Happened about once a week.
      Solution: Had to turn off TV wait about 10-20 seconds and turn it on again to solve.
    3. Problem: TV shuts down
    ...
    1 Photo
    07-22-2024, 10:36 AM
  • bohaboha
    PHILIPS 32pfl3403d Flat-panel TV Upgrade Assistant problem
    by bohaboha
    Hi trying to update my Philips cause in retail mode not possible to get out from it i get this message in update site : Error message: no data exception. Your reference: Request ID (server_1930105)
    how to fix it thanks
    02-05-2025, 09:23 PM
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