Sharp lc-42ad5e Service Manual page 42

LC-42AD5E/RU/S
No sound from EXT5 (AUDIO) connecting an external input
device.
Check that Option-HDMI Setup-Audio select is set to "Analog".
<EXT5>
Is HDMI-L audio signal sent from J2701 terminal to pin (14) of
IC2704 (SW)?
Is HDMI-R audio signal sent from J2701 terminal to pin (5) of
IC2704 (SW)?
Is HDMI-L audio signal sent to pins (10) of IC3002?
Is HDMI-R audio signal sent to pins (9) of IC3002?
Refer to "No sound output in all modes".
No sound from external input devices (5)
OK
YES
YES
Check the line between J2701 and IC2704.
NO
(Q2704, Q2705, etc.)
NO Check the line between IC2704 and IC3002.
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