jvc BYX Repair Tips




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MakeModel Ch.SymptomProblem SolutionSolutionBy:
JVCCS2181EKT BYX
Comes on in AV mode - when TV selected all chans tuned to same stationThe -30v supply to memory chip on tuning panel falls below -26v. Replace some/all of following: Q956 2SA1015, C959 3µ3 50v, C958 33µ 35v, C016 10µ 16v, C017 10µ 50v sm.
JVCBYX chassis
No memorise chans or settingsIC001 MN1226S, C106, C107 on station select module
JVCBYX chassis
Loss of some chansIF module SBY-F004A proved to be heat sensitive - retune T102 V C Osc coil
JVCBYX
Int tuner drift & patterningDry joints IF module