Hitachi CP-X2520 Service Manual page 14

CP-X2520 ( M2-25ED ) / CP-X3020 ( M2-30ED )
Picture is not displayed via COMPUTER IN port
Are
the splash
screen and the user menu
displayed correctly?
YES
YES
Is
the picture
from MONITOR OUT
port displayed correctly on
another monitor
display?
YES
PWB assembly MAIN
Picture is not displayed via the VIDEO , the S-VIDEO or COMPONENT VIDEO port
Are
the splash
screen and the user menu
displayed correctly?
YES
PWB assembly MAIN
Confirm
No
the LCD Panels
connection to the MAIN
board.
PWB assembly MAIN
No
PWB assembly MAIN
THS7327PHPR
(IS03)
SN74LV14APW
(IS02)
THS7327PHP
(IS03)
Confirm
No
the LCD Panels
connection to the MAIN
board.
PWB assembly MAIN
14
NG
CPC40 connector
OK
LCD prism assembly
NG
CPC40 connector
OK
LCD prism assembly