Sony KV-32V15 picture cycles off & on if VIDEO setting "Picture" or "Bright" is set past one quarter strength. Sound is continuous and good.

When MENU is active, the picture is stable and darkened (by design). If Video setting for "Picture" is set to minimum and "Bright" set to below 50%, then Picture is also stable, but dark. Setting beyond 25% for "Picture" and 50% "Bright" causes trouble to resume (picture cycles on/off). TV had "Picture" set to 100% for approx. 10years, 10hrs/day. All other settings were about 50%. (I build and support my own computers & was tech for PBX systems - so OK with most repairs)

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