Hitachi CP-SX635W Service Manual page 16

Picture is not displayed when the RGB signal is input
Are
the splash screen
and the user menu displayed
correctly?
YES
YES
Is the
picture from RGB
out port displayed correctly
on another monitor
display?
YES
No
PWB assembly MAIN
Picture is not displayed when the Video, S-Video or component signal is input
Are
the splash
screen and the user menu
displayed correctly?
YES
PWB assembly MAIN
CP-SX635(ED3SX40N)
Confirm
No
the LCD Panels
connection to the MAIN
board.
PWB assembly MAIN
No
PWB assembly MAIN
THS7327PHPR
(IM04:D_sub, IM05:BNC)
EL8302IUZ
(IM01:D_sub, IM02:BNC,
IM03:Component)
Confirm
No
the LCD Panels
connection to the MAIN
board.
PWB assembly MAIN
PWB assembly INPUT
16
NG
CPC40 connector
OK
LCD/Lens prism assembly
NG
CPC40 connector
OK
LCD/Lens prism assembly