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Help with Loewe TV

Discussion in 'Hobby Electronics' started by Don Goulding, Nov 21, 2003.

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  1. Don Goulding

    Don Goulding Guest

    Hi All,
    I need help in fixing a Loewe Arcada 84 cm 100Hz tv. Not too sure what
    chassis it is but the sales docket says it is a Media Plus Q2500.
    A violent storm went through our suburb and I'm not sure if it has spiked
    the set even though it wasn't on - not even in the standby mode.
    The set is about 4 years old.
    On switching on the set, the red standby led is lit and the green "on" led
    keeps flashing. When pressing the " power on" button on the remote you can
    hear the start relay in the set operate and then release. The set then
    starts hiccupping with both leds flashing.
    The diodes and Fets in the secondary side of the P/supply test out OK and
    so do the diodes and the main transistor in the horz. output stage. (no dead
    shorts)
    The 8 volt and 9 volt rail (7808 &7809) on the output I am reading about 124
    ohms to ground. Is this normal?
    Any help will be greatly appreciated.

    Thanks in advance for any help.

    Don.
     
  2. Bodgey

    Bodgey Guest

    Try posting this on sci.electronics.repair, there are some pretty good
    tech's that trawl through there.
     
  3. James

    James Guest

    From memory there is a power supply kit availiable for that chassis, try
    contacting International Dynamics in Melbourne.

    Regards
    James
     
  4. David Sauer

    David Sauer Guest

    Loewe sets normally come with a schematic if thats any help.
    I've got one but it's for a 2300 or 2400 earlier model.

    Someone in aus.audio-visual.home-cinema or aus.dvd might be able to
    send / fax you a copy if you don't already have one.
     
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