Hitachi CP-X980W Service Manual page 17

Picture is not displayed (is wrong)
when the RGB Signal
Is RGB1 or a
NO
picture of which of RGB2
displayed ?
YES
Change the PWB
NO
ass'y RGB.
Does picture is
displayed ?
YES
PWB ass'y RGB
Picture is not displayed (is wrong)
when the DIGITAL Signal
Change the PWB
NO
ass'y DRIVE. Does a
picture is displayed ?
YES
PWB ass'y DRIVE
Picture is not displayed (is wrong)
when the RGB Signal output
PWB ass'y RGB
Picture is displayed when the VIDEO or DIGITAL.
Change the PWB
ass'y DRIVE. Does a
picture is displayed ?
YES
PWB ass'y DRIVE
Change the PWB
ass'y DRIVE. Does a
picture is displayed ?
YES
PWB ass'y DRIVE
Picture is displayed when the RGB or VIDEO.
PWB ass'y FAN
Picture is displayed when the RGB.
NO
Change the PWB
ass'y RGB. Does a
picture is displayed ?
YES
PWB ass'y RGB
NO
Change the PWB
ass'y VIDEO. Does a
picture is displayed ?
YES
PWB ass'y VIDEO
CP-X980W
CP-X985W
NO
NO
Power unit (Circuit)
17