Service manual

E-2
TROUBLESHOOTING GUIDE
YES
(In case that there is a normal tension for time to do
standby 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 78th pin and
80th pin or not?
Investigate X1001.
Is the 9V for IC601
25th pin or not?
Investigate IC601.
Is there a heater
voltage or not?
Investigate Q406, R449 and
R450.
Investigate CRT.
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?
Is the voltage of FBT
9th pin 110V or not?
Investigate IC1001 and Q1002.
Investigate +B line