Sharp DV-S2U Service Manual - Page 24

E56B0TS 1-8-5 FLOW CHART NO.21 Audio is not outputted. Set the disc on the disc tray and playback. No Are the analog audio signals outputted to each pin of CN1601 on the AV CBA? CN1601 13PIN AUDIO-L CN1601 15PIN AUDIO-R Yes Are the analog audio signals inputted to each pin of IC1201. No IC1201 2PIN AUDIO-L IC1201 6PIN AUDIO-R Yes Is the "H" level mute signals outputted to CN1601 on the AV CBA ? No CN1601 16PIN A-MUTE CN1601 14PIN A-R-MUTE CN1601 12PIN A-L-MUTE Yes Are the analog audio signals inputted to each pin of IC1201? IC1201 1PIN AUDIO-L No IC1201 7PIN AUDIO-R Yes Are the audio signals outputted to the specific No output terminal? Are the audio signals outputted to the L/R OUT terminal (JK1201)? Replace the DVD Main CBA Unit or DVD Mecha. Check each line between each pin of CN1601 and each pin of IC1201 on the AV CBA. CN1601 13PIN → IC1201 2PIN AUDIO-L CN1601 15PIN → IC1201 6PIN AUDIO-R Replace the DVD Main CBA Unit. Check or replace IC1201. Check the periphery of Pins(1,7) of IC1201 and JK1201.