Service manual

E-4
TROUBLESHOOTING GUIDE
NO
NO
A color doesn't adhere to it
Whether is wave form of
IC601 38th pin normal or
not?
YES
YES
Investigate X601.
Colour level is adjusted.
NO
YES
Investigate IC601 .
Investigate Q810, Q811, Q812
and a peripheral circuit.
Whether is wave form of
IC602 19th pin,20th pin and
21th pin normal or not?
User and sub colour
level are they normal?