E-2
TROUBLESHOOTING GUIDE
YES
(In case that there is a normal tension for time to do
stanby CD810 every terminal)
( 2 ) that a power supply doesn't
enter
Investigate D1006 and D1010.
YES
NO
NO
YES
NO
YES
NO
YES
NO
YES
NO
NO
YES
Investigate D1018.
Is there 10MHz OSC for
IC1006 67th pin and
68th pin or not?
Investigate X1001.
Is there 135V in the
emitter of Q503?
Is the 5V for IC602
48th pin or not?
Investigate Q1006 and Q1019.
Investigate IC602.
Is there a heater
voltage or not?
Investigate Q406, R449 and
R450.
Investigate CRT.
Investigate TV Power H.
Investigate Q503 with Q501.
Is there horizontal out
for Q405 base or not?
Is the voltage 5V for
IC1006 10th pin or not?
Is the voltage of IC1006
54th pin 5V or not?
