No picture and no sound
Is the power LED lit green? Is the power LED flashing red?
Did it flash once?
Did it flash twice?
Did it flash five times?
Did it flash six times?
Does the message "LOSS OF
SYNC" appear?
Go to "No picture".
Does the backlight fail to light?
Check the lamp and the peripheral
lamp circuit.
Is the power cord normal? Replace the power cord.
Go to "The backlight does not light."
Check the power unit.
Check the temperature of the unit.
Check the fan connection.
Check the peripheral parts around
the TMDS PWB.
Yes
No
No
No
No
Yes
No
No
No
Yes
Yes
Yes
Yes
No
Yes
Yes