Sharp LC-60LE920UN Service Manual page 59

LC-52LE920UN/LC-60LE920UN
I If it is not an error of power supply/LED driver,
It is start-up in the lamp error disre_lard mode,
I
I Do you start? I
_' YES
I Does all LED of one line are not lighting? I
_' NO
I It doesn't light in 1 piece.
i
I All LED boards including LED that doesn't light are exchanged.
YES
TP1 of LED board on the power supply side is confirmed.
Does the voltage hang?
YES
I Is the LED board connected with CN2?
I
I harness exchange
_' NO
I
I
_' YES
TP1 of the next LED board connected with CN2 is confirmed.
Does the voltage hang?
_' NO
Even if the short-circuit connector is exchanged, do not you
light?
; YEs ; .o ; YEs ; .o
I The next LED board is seen.
I I
LED board exchange.
I
I THE
END.
I If it is not an error of power supply/LED driver,
It is start-up in the lamp error disre_lard mode,
[ Do you start? ]
NO
[ Is connected connector (LA1) with the first high LED board of the power supply board removed and do it start? ]
; YES
I All LED boards and the harness connected with LA1 are exchanged. I
NO
I Is connected connector (LA2) with the LED board second on the power supply board removed and do it start? I
; YES
I All LED boards and the harness connected with LA2 are exchanged. I
NO
I Is connected connector (LA3) with the LED board third on the power supply board removed and do it start? I
J' YES
All LED boards and the harness connected with LA3 are
exchanged.
NO
All LED boards are exchanged. ]
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