4. Abnormal OSD Font
14
No
Yes
Yes
Trouble in IC801
and its ambient
circuit
Trouble in IC204
and its ambient
circuit
Trouble in
IC204 or its
ambient circuit
Abnormal OSD Font
Is menu
key selected?
Is OSD Font
exist?
No
Is
the Fast
Blanking signal
(IC204 pin12)
normal?
No
Yes
Is the
output of IC204
(pin 13, 14, 15)
normal?
Yes
One color is
missing
Refer to Missing Color
* If menu key selected.
Summary of Contents for CMC-518X
Page 30: ...28 BLOCK DIAGRAM...
Page 31: ...PCB LAYOUT 29 Main PCB Solder Side...
Page 32: ...30 Video PCB Solder Side...
Page 33: ...31 Main PCB Component Side...
Page 34: ...32 Video PCB Component Side...
Page 35: ...SCHEMATIC DIAGRAM 33...
Page 36: ...34...
Page 37: ...EXPLODED VIEW DIAGRAM 35...
