Xerox XL-795D Service Manual - Page 12

G. Trouble Shooting Hints

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No Display ( Black ) G. TROUBLE SHOOTING HINTS LED ON ? NO YES Push the power ON/OFF switch Power adapter ? YES NO Change adapter LED Color YES change ? NO Check main board Scaler IC Back light ON? NO Check the Inverter YES To Step 2 High Voltage ! Hi / Lo under push power sw? NO A YES To Step 2 +12V ? NO YES NO Check Fuse of inverter B Make sure the connection of Inverter is fine Display ? YES OK !

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12
G. TROUBLE SHOOTING HINTS
NO
NO
YES
YES
YES
YES
NO
NO
High Voltage
!
NO
YES
YES
NO
NO
YES
No Display
( Black )
LED ON
?
Push the power
ON/OFF
switch
LED Color
change ?
Check main board
Scaler IC
Hi / Lo under
push power sw?
Back light
ON?
To Step 2
Make sure the
connection of
Inverter is fine
+12V ?
Check
the Inverter
Check
Fuse of inverter
B
Display ?
OK !
A
To Step 2
Power
adapter ?
Change
adapter