Aiwa VX-G143K Service Manual page 34

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