Sharp PG-M20XU Service Manual page 38

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