Service manual

38
PG-M20S
PG-M20X
Checking of Onscreen Display
No
Is the user menu displayed
normally by the MENU key?
Enter the process menu and select
PATTERN. Then select the
COLOR pattern.
The onscreen display is normal.
Yes
Yes
Is the onscreen display color
normal?
Make STEP signal selection.
Adjust the DLP system in the
process adjustment mode.
No
0
No
Is the STEP signal normal?
Rewrite the onscreen display data.
Yes
0
Yes
Is the signal compatible with the
STEP signal outputted at TL106
thru TL111?
Go to "Checking of GA4 and Its
Periphery".
Rewrite the onscreen display data.
IC8025 is defective.
No
ยป PC I/F Unit-2/12