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 .
Yes
No
No
Yes
No
Yes
No
Yes
No
Yes
No
No
Yes
Investigate D1008.
Is there 10MHz OSC for
IC1006 78th pin and
80th pin or not?
Investigate X1001.
Is there 130V in the
2nd pin of FB401?
Is the 5V for IC601
8th pin or not?
Investigate Q1010 and IC1005.
Investigate IC601.
Is there a heater
voltage or not?
Investigate CRT.
Is there horizontal out
for Q405 base or not?
Is the voltage 5V for
IC1006 36th pin or not?
Is the voltage of IC1006
37th pin 5V or not?
Investigate F502.
Investigate R450.
