Hitachi PJ1065 Service Manual page 16

Picture is not displayed (is wrong)
when the RGB Signal is inputted.
Is RGB1 or a
picture of which of RGB2
displayed ?
YES
Change the PWB
ass'y RGB.
Is it repaired ?
YES
PWB ass'y RGB
Picture is not displayed (is wrong)
when the DIGITAL Signal is inputted.
Change the PWB
ass'y DRIVE.
Is it repaired ?
YES
PWB ass'y DRIVE
Picture is not displayed (is wrong)
when the RGB Signal output
PWB ass'y RGB
16
Picture is displayed when the VIDEO or DIGITAL.
NO
Change the PWB
ass'y DRIVE.
Is it repaired ?
YES
PWB ass'y DRIVE
NO
Change the PWB
ass'y DRIVE.
Is it repaired ?
YES
PWB ass'y DRIVE
Picture is displayed when the RGB or VIDEO is inputted.
NO
PWB ass'y FAN
Video picture is displayed. (Only RGB is wrong.)
NO
Change the PWB
ass'y RGB.
Is it repaired ?
YES
PWB ass'y RGB
NO
Change the PWB
ass'y VIDEO.
Is it repaired ?
YES
PWB ass'y VIDEO
NO
NO
Power unit (Circuit)