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  1. Radio Head Unit - Repair IV

    .. continuation of Radio Head Unit - Repair III

    No display - otherwise fully functional
    Observed on: 1 USDM Radio
    Fixed by: PCB repair
    , parts replacement
    State: Fully understood


    A fully working radio with a non-working display. The display was confirmed OK by installing it into a working JDM radio. An investigation showed heavy leakage by capacitor E818:

    Click image for larger version. 

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    IC 802 is providing 9 V to the VFD heater circuit ...

    Updated 07-10-2025 at 06:46 PM by Heineken

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