Sharp LC-65D90U - Page 46

46
LC-65D90U
TROUBLE SHOOTING TABLE (Continued)
YES YES
YES
NO
YES
YES
YES
YES
NO
NO
NO
NO
NO
No picture and sound
Is the power LED on in blue?
Is the backlight off?
Go to "No backlight".
Is the D/L indicator blinking in red?
Check the power unit.
Blinking once?
Go to "No backlight".
Blinking twice?
Go to "Power failure".
Blinking 3 times?
Check the communication between main
CPU and monitor CPU.
Blinking 5 times?
Go to "Improper picture".
Check the "temperature error" in the set.
250ms 1sec
Power LED (red) behavior (one cycle)
H: ON
L: OFF
H: ON
L: OFF
H: ON
L: OFF
H: ON
L: OFF
H: ON
L: OFF
H: ON
L: OFF
H: ON
L: OFF
H: ON
L: OFF
Type of error
1) Power LED in red
Lamp failure
Blinking once: Rapid
Communication failure
between main and
monitor CPUsBlinking 3 times
Monitor temperature error
Blinking 5 times
Power failure
Blinking twice
OPC LED behavior (one cycle)
H: ON
L: OFF
H: ON
L: OFF
H: ON
L: OFF
Type of error
3) Communication failure details (D/L LED blinking 3 times + OPC LED blinking)
Initial communication
reception failure Blinking once
Regular communication
failure Blinking 3 times
Restart failure
Blinking 4 times
Startup confirm reception
failure Blinking twice
OPC LED behavior (one cycle)
H: ON
L: OFF
H: ON
L: OFF
H: ON
L: OFF
H: ON
L: OFF
Type of error
2) Power failure details (D/L LED blinking twice + OPC LED blinking)
15V error
Blinking once
9V(A) error
Blinking 3 times
BS10V error
Blinking twice
VSH3.3V error
Blinking 4 times
Digital PWB 3.3V error
Blinking 6 times
LCD controller PWB 3.3V
error Blinking 5 times
Microprocessor failure
Blinking 7 times