EMP-9000/8000
4-8Revision:A SEIKO EPSON
Display / Pictuer quality
Figure4-6
Does “NO SIGNAL” message
appear on the screen?
Replace MA board.
Does “NO SIGNAL” message
appear on the screen?
Replace Optical engine.
Does fine image appear by
adjusting focus and zoom ring.
Press Menu button on the
switch panel or remote
controller.
Does Menu screen appear?
Take the adjustment shown
in the table 1.
Does fine image appear?
Replace MA board.
Does fine image appear?
Take the adjustment shown
in the table 1.
Does fine image appear?
YES
YES
NO NO
YES
NO
NO
YES
YES
NO
YES
NO
YES
NO
Replace optical engine.
Start
Does screen appear?
Lamp indicator becomes
blink in red?
Replace Lamp inner housing.
Does light source lamp on?
Replace MA board.
Reconnect the cable connector on
the CN1003(MA board) to Ballast
unit.
Does light source lamp on?
Replace Ballast unit A.
YES
NO
NO
NO
YES
NO
YES
NO
YES
NO
Go to
next page.
NO
YES
Lamp indicator becomes
lights or blink in red?
Replace the following
thermistors.
1.PBS
2.LV 3.LAMP
Does light source lamp on?
Does light source lamp on?
YES
Computer In
1/2
Video In/
S-Video
Brightness
Contrast
Synchroniz
ation
Tracking
Color
Brightness
Contrast
Saturation
Tint
Sharpness
Caution:
Even the picture quality defectiveness that originates from
condensation or dirt of lens is conceivable. In case of con-
densation, it becomes normal naturally if it leaves for a
while.
To Next Page
Loading...
