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Electronic appliance repair tips database - TV (LCD,TFT,Plasma,Digital), Monitor, VCR, DVD recorder and player, Digital camera, Audio equipment, Microwave ovens, Phone systems, Computer repair
Make
Model
Problem
Solution
Date
Found: 6
JVC
CS2181EKT
All stations reverted to chan 21 & tunes but no chan store
Check sm elects in station select module for leakage
14-09-04
JVC
CS2181EKT
No signals
No o/p from Prescaler chip M54477L in tuner - chip unavailable so replacement tuner reqd at ?40 +
14-09-04
JVC
CS2181EKT
No signals - Ok via scart socket.
IC M54477L in tuner ( NLA ) req new tuner.
14-09-04
JVC
CS2181EKT
Off tune at sw on gradually tunes in
CO16 10µ 16v sm in s.select module
14-09-04
JVC
CS2181EKT
Tuning int lost on chan change
Replace C958, C959, C16, C17 & check for dry joints
14-09-04
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.
14-09-04
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