Sharp LC-60LE660U Service Manual page 43

Is INPUT-4 selected on the input select menu screen?
YES
Is there the COMPOSITE signal input at pin(174) of
IC3301(CPU)?
YES
Check the Composite cable and connected equipment con-
dition.
Is INPUT-5 selected on the input select menu screen?
YES
Is INPUT-5 on the input select menu screen for the right
input signal, "COMPONENT"?
YES
Are there the COMPONENT video signal inputs at
pin(169)(Y)/pin(167)(Pb) /pin (170)(Pr) and pin(168)of
IC3301(CPU)?
YES
Check the Component cable and connected equipment
condition.
No video (2)
COMPOSITE:No external input video [INPUT-4]
NO Select INPUT-4 on the input select menu screen for the right input signal.
NO Check the video line between pin(9) of J502 and pin(174) of IC3301(CPU).
(1)J502:pin(9)
(2)IC3301:pin(174), pin(173)
No video (3)-1
COMPONENT:No external input video [INPUT-5]
NO Select INPUT-5 on the input select menu screen for the right input signal.
NO Set the Input Select to "COMPONENT".
NO Check the video line between the input terminals of J502 and IC3301.
(1)J502 pin(15)(Y)
(2)IC3301 pin(169) pin(167) pin(170) pin(168)
6 – 9
LC-60/70LE660U,C6600U
pin(17)(Pb) pin(19)(Pr)