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YAMAHA T-230 Tuner x 2 Repair

Discussion in 'Troubleshooting and Repair' started by AudiHobi, Jan 8, 2018.

  1. AudiHobi

    AudiHobi

    8
    0
    Jan 8, 2018
    Hello tuner experts, Hv 2 T230s, no display and sound. PS looks OK.
    Looking for tips and service manual to fix it. TQ
     
  2. davenn

    davenn Moderator

    13,319
    1,767
    Sep 5, 2009

    hi

    welcome
    have you googled for the service manual ? .... that is what any of us here would have to do
     
  3. AudiHobi

    AudiHobi

    8
    0
    Jan 8, 2018
    Hi Dave, hv googled, none so far. :(
     
  4. AudiHobi

    AudiHobi

    8
    0
    Jan 8, 2018
    Update - manually selected stations, reception w sound. :)
    Next steps - to figure out why no display. No signals detected at
    connector to the panel display DA,CK,CB. VCC VDD OK
     
  5. davenn

    davenn Moderator

    13,319
    1,767
    Sep 5, 2009
  6. AudiHobi

    AudiHobi

    8
    0
    Jan 8, 2018
    Dave, Thks. As these units are very old, not worth to invest/parts are limited.
    Isolated the issue to the LCD module tht w 64pin SMT.
     
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