Sharp LC-60LE660U Service Manual

Also see for Aquos LC-60C6600U: Operation manual Operation manual Setup guide

LC-60/70LE660U,C6600U6 – 12• Does not sound.No audio (1)INPUT-4 No audio. INPUT-5 No audio.Is INPUT-4 selected on the input select menu screen? Is INPUT-5 selected on the input select menu screen?YESNOYESNORefer to ":No external input video [INPUT-4]". Refer to ":No external input video [INPUT-5]".Is the audio output selected for "Variable" on the menu screen? Is the audio output selected for "Variable" on the menu screen?YESNOYESNOSet the audio output to "Fixed". Set the audio output to "Fixed".Does the audio signal come from pins(7)(L) and (5)(R) of input termi-nal(J502) to pins(6)(L) and (7)(R) of IC3301(CPU)?Does the audio signal come from pins(13)(L) and (11)(R) of inputterminal(J502) to pins(4)(L) and (5)(R) of IC3301(CPU)?YESNOYESNOCheck the line between J502 and IC3301. Check the line between J502 and IC3301.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)?YESNOCheck 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.