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Recording DVD unresponsive

Discussion in 'Electronic Repair' started by N_Cook, Mar 28, 2013.

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  1. N_Cook

    N_Cook Guest

    Panasonic DMR EZ25 , no known history.
    ps voltages agree with manual
    slow to respond to buttons like open/close and will not play discs , will go
    through the sledge/platter sequence before ejecting, laser light present.
    Most of the time just says please wait.
    Will not respond to the almost inhuman hand-span 3 button push at power-up
    to go into service mode.
    Will respond to forced power off of 10 second push of power/standby button
    and go to presumably flashing clock of 0:00 that does not advance to 0:01
    I've reseated all ribbons and before ESR'ing caps , and exploring rear of
    main board, any ideas of anything specific to look at
     
  2. N_Cook

    N_Cook Guest

    Well that was an interesting exercise in fingertip manipulation . Fathomed
    (accidently ;-)) how to release the central area of the deck then remove
    the 2 sled slide rods and then remove the laser assembly. Now know it is
    type RAF3332A. Then get inside the optics, all without disturbing any
    set-screws for slide or optics I think, and reassemble. The 45 degree mirror
    was filthy with dust and even a curl of hair right at the centre, if it was
    the outlet lens that was that dirty then a CD/DVD player would work. Not yet
    fully reassembled and powered up yet
     
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