Sharp LC-60LE810UN Service Manual page 67

Does all LED of one line are not lighting?
YES
TP1 of LED board on the power supply side is confirmed.
Does the voltage hang?
YES
Is the LED board connected with CN2?
YES
TP1 of the next LED board connected with CN2 is confirmed.
Does the voltage hang?
YES
The next LED board is seen.
Is connected connector (LA1) with the first high LED board of the power supply board removed and do it start?
YES
All LED boards and the harness connected with LA1 are exchanged.
Is connected connector (LA2) with the LED board second on the power supply board removed and do it start?
YES
All LED boards and the harness connected with LA2 are exchanged.
Is connected connector (LA3) with the LED board third on the power supply board removed and do it start?
All LED boards and the harness connected with LA3 are
exchanged.
If it is not an error of power supply/LED driver,
It is start-up in the lamp error disregard mode.
Do you start?
YES
All LED boards including LED that doesn't light are exchanged.
NO
LED board exchange.
If it is not an error of power supply/LED driver,
It is start-up in the lamp error disregard mode.
Do you start?
NO
YES
6 – 13
LC-40/46/52/60LE810UN (1st Edition)
NO
It doesn't light in 1 piece.
harness exchange
Even if the short-circuit connector is exchanged, do not you
light?
YES
THE END.
All LED boards are exchanged.
NO
NO
NO
NO
NO
NO