Sharp Aquos LC-60C6600U, Service Manual

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