Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
---|---|---|---|---|---|
JVC | CS2181EKT BYX | Comes on in AV mode - when TV selected all chans tuned to same station | The -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. | ||
JVC | CS2181EKT | Tuning int lost on chan change | Replace C958, C959, C16, C17 & check for dry joints | ||
JVC | CS2181EKT | Off tune at sw on gradually tunes in | CO16 10µ 16v sm in s.select module | ||
JVC | CS2181EKT | No signals - Ok via scart socket. | IC M54477L in tuner ( NLA ) req new tuner. | ||
JVC | CS2181EKT | No signals | No o/p from Prescaler chip M54477L in tuner - chip unavailable so replacement tuner reqd at £40 + | ||
JVC | CS2181EKT | All stations reverted to chan 21 & tunes but no chan store | Check sm elects in station select module for leakage |