Read Sharp XG-PH70X (serv.man4) Service Manual online
XG-PH70X/XG-PH70X-N
4 – 8
OSD check
Is the user menu normally displayed with the MENU
key?
key?
YES
OSD is normal.
NO
Enter the process menu to select PATTERN. Select
the COLOR pattern.
the COLOR pattern.
Is the OSD display color normal?
NO
Adjust the DLP system with the process adjustment.
YES
Select the STEP signal.
Is the STEP signal normal?
YES
Rewrite the OSD data.
NO
Are signals suitable for STEP signals sent to
TL8047, 8048 and 8049?
TL8047, 8048 and 8049?
NO
IC8025 is defective.
YES
Go to "Checking the periphery of GA5".
Rewrite the OSD data.
0
0
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