Pioneer lx 701 hdmi issues

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  • Servicem4
    Member
    • Jan 2018
    • 11
    • Deutschland

    #1

    Pioneer lx 701 hdmi issues

    My receiver pioneer LX 701 doesn't work anymore correctly The history:
    6 month ago hdmi picture output didnt work anymore but music input through hdmi still worked.

    Since some weeks even this doesn't work. Right Before this occured i heard a plopping noise from the receiver one evening.

    The rest of the receiver works, I used spdif for sound input.

    I now opened the receiver and hoped to find a blown fuse but all look good.

    Any tips how to progress? Between 2 PCB there is something which looks like a blown cap. Difficult to photograph.
    To Check this out I need to remove the upper PCB - how do I do this?

    How can I disconnect the PCB (3) on the side which seems to connect upper and middle PCB using connectors marked 1 and 2. It's packed so tight I can't see the connector type 2 below. Don't want to break anything.
    Image 20250527-204839 hosted in ImgBB

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