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Toshiba 50V71 Chasis TAC 9958 Convergence Issues

Discussion in 'Electronic Repair' started by Chance, Oct 9, 2007.

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  1. Chance

    Chance Guest

    Need help troubleshooting convergence issues on this set. Have
    replaced both STK 392-110. Replacing the stk's seem to have not had
    any effect. I've checked all of the resistors near them and haven't
    found any open. I don't see any pico fuses to check. Is there any
    way I can rule out the digital convergence board? I could probably
    post a pic if this would help. Any ideas would be appreciated.
    Thanks in advance.

  2. b

    b Guest

    do you say 'issues' when you mean 'problems '? ;-)
    have you the schematic=? if not , try
  3. AJ

    AJ Guest

    Check the +/- voltages to the STK Devices, either one missing indicates
    either an open fuse device and/or power supply problem. A bit more deligence
    checking those particular circuits may resolve your problems.
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