Sharp LC-60LE660U - Page 49

LC-60/70LE660U,C6600U
6 – 15
No audio (4)
HDMI1 No audio (HDMI connected)
HDMI2 No audio (HDMI connected)
HDMI3 No audio (HDMI connected)
[HDMI1 input]
Is HDMI1 selected on the input select menu screen ?
[HDMI2 input]
Is HDMI2 selected on the input select menu screen ?
[HDMI3 input]
Is HDMI3 selected on the input select menu screen ?
YES
NO
Refer to ":No external input video [HDMI1/2/3]".
[HDMI1 input]
If no video appears, refer to "No external input video (HDMI) [HDMI1]".
[HDMI2 input]
If no video appears, refer to "No external input video (HDMI) [HDMI2]".
[HDMI3 input]
If no video appears, refer to "No external input video (HDMI) [HDMI3]".
Is the audio output selected for "Variable" on the menu screen ?
YES
NO
Set the audio output to "Fixed".
Is the "Initial Setup" - "Audio select" selected for "HDMI2(Digital)" on the menu screen?
YES
NO
Set the HDMI audio output to "HDMI2(Digital)".
Does the analog audio signal come from pins(11/12)(SP_L/SP_R) of IC3301(CPU) to pins(22/32)(SP_L/SP_R) of IC1701(Audio AMP)?
YES
NO
Check the audio line between IC3301 and IC1701, and their paripheral circuits.
•About the L/R Speakers.
Check the connector (P1701) L/R speakers and their peripheral circuits.