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JVC T.V. trouble!

Discussion in 'Electronic Repair' started by Rono, Jun 8, 2005.

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  1. Rono

    Rono Guest

    AV-27220 Chassis # A67, dead, plug in, B+
    comes up to 130 vdc, drops right back to 90 vdc.
    All the secondary standy voltages drop down to a lower
    value. Changed vertical IC, & caps, as it's very common,
    & the IC had low resistance on two pins. Found IC 651
    had low resistance from ground, at pins # 24, 35, & 19.
    Replaced IC, same thing, now getting 10 ohms at pin one
    to ground. It's like someone possibly put a dc voltage to
    the rear audio/video inputs. Anyone have a schematic, or
    see this before. Rono.
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