Gericom/Proview CY-965 19 inch TFT LCD VDU

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  • JEWilson
    Badcaps Veteran
    • Sep 2007
    • 369
    • Scotland, United Kingdom

    #1

    Gericom/Proview CY-965 19 inch TFT LCD VDU

    Rec'd this dead
    see further http://www.proview.co.uk/products/cyseries.htm

    Recapped the inverter and the main control PCB

    Phy. inspection of main control PCB finds thermally damaged U9,
    a 24C16 SO8 Memory IC SMT. This has a whole burnt in it!

    The part is a ST 24C16, a 16 Kbit Serial I2C Bus EEPROM with User-Defined Block Write Protection
    see further http://pdf1.alldatasheet.com/datashe...ICS/24C16.html

    As I understand it, this will contain the firmware for the VDU.

    I have obtained the service manual from Proview (in the UK).

    However, the service manual which describes the part is labelled
    for use with the Gericom/Proview CY-765, that is, the 17 inch model.
    My presumption is thus, the main control pcb is the same for
    the 17 and 19 inch models but they require power bricks with
    different current loads i.e. the 17 inch requires a 4A, the 19
    inch, a 5A.

    I have purchased a 12V 6A brick for test purposes.

    However, it may remain the case, the control pcb is for the 17 inch
    model only and the incorrect control pcb has been placed in the
    unit.

    Are any forum members familiar with this type?

    Moreover, prior to replaing the EEPROM, I believe I will require the firmware
    to program the new part.

    Can anybody help?

    Thx
  • JEWilson
    Badcaps Veteran
    • Sep 2007
    • 369
    • Scotland, United Kingdom

    #2
    Re: Gericom/Proview CY-965 19 inch TFT LCD VDU

    Just require to add;

    this is further to post
    https://www.badcaps.net/forum/showthread.php?t=6788

    I did not catch the details provided by BobDee - thanks!

    So... it may be the EEPROM is for saving settings.

    Any further insight?

    Just require to eliminate a further issue.

    BobDee - was is the barrel diameter of the power brick you use
    with the 17 inch?
    Last edited by JEWilson; 04-22-2009, 03:21 PM. Reason: prior post(s)

    Comment

    • JEWilson
      Badcaps Veteran
      • Sep 2007
      • 369
      • Scotland, United Kingdom

      #3
      Re: Gericom/Proview CY-965 19 inch TFT LCD VDU

      Got down to business with the item

      There is no 5V being produced
      No surprise nothing works!

      Will report back with progress

      Comment

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