Service manual

18
4. Abnormal OSD Font
Is menu
key selected?
Is OSD Font
exist?
* If menu key selected.
Is Heater
Voltage (CRT PWB)
about 6V?
Abnormal OSD Font
Is the
output of IC802
(pin 13, 14, 15)
normal?
Trouble in
Heater voltage
line.
Refer to trouble in P.S.U
Troubie in
IC802 or its
ambient circuit
Trouble in IC802
and its ambient
circuit
One color is
missing
Refer to Missing Color
No
No
Yes
Yes
Yes
Yes
No