Epson EMP-8000 Service Manual page 96

Display / Pictuer quality
Start
Does screen appear?
NO
Lamp indicator becomes
blink in red?
NO
Replace Lamp inner housing.
Does light source lamp on?
NO
Lamp indicator becomes
lights or blink in red?
YES
Replace the following
thermistors.
1.PBS
2.LV 3.LAMP
Does light source lamp on?
NO
Replace MA board.
Does light source lamp on?
NO
Reconnect the cable connector on
the CN1003(MA board) to Ballast
unit.
Does light source lamp on?
NO
Replace Ballast unit A.
Revision:A
EMP-9000/8000
YES
Does "NO SIGNAL" message
appear on the screen?
NO
NO
Replace MA board.
Does "NO SIGNAL" message
appear on the screen?
NO
YES
Replace Optical engine.
Computer In Video In/
1/2 S-Video
YES
 B rightness  B rightness
 C ontrast  C ontrast
 S ynchroniz  S aturation
 T int
ation
 T racking
 S harpness
 C olor
YES
YES




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.
Figure4-6
4-8
YES
Does fine image appear by
adjusting focus and zoom ring.
NO
Press Menu button on the
switch panel or remote
controller.
YES
NO
Does Menu screen appear?
YES
Take the adjustment shown
in the table 1.
Does fine image appear?
NO
Replace MA board.
Does fine image appear?
NO
Take the adjustment shown
in the table 1.
Does fine image appear?
NO
Replace optical engine.
YES
Go to
next page.
YES
YES
YES
SEIKO EPSON