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t-4700

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    ONKYO T-4700 Tuner Preset Memory Loss Repair

    I could not find any useful info here for this particular tuner model, so here's how to fix the issue: The T-4700 tuner's preset memory and antenna selector is backed up via 0.1F 5.5V Super Capacitor (Capacitor C707 on the front display and button panel board). The problem is that the...
    • mbraun1973
    • Thread
    • battery memory onkyo preset repair supercap t-4700
    • Replies: 4
    • Forum: Solid State
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