Sharp DV-S2U Service Manual - Page 23

E56B0TS 1-8-4 FLOW CHART NO.19 Picture does not appear normally in interlace mode. Set the disc on the disc tray and playback. No Are the video signals outputted to each pin of CN1601 on the the AV CBA? CN1601 7PIN CN1601 5PIN CN1601 9PIN CN1601 3PIN CN1601 1PIN CVBS S-Y S-C U V Yes Are the video signals shown above inputted into each pin of IC1402? No IC1402 4PIN CVBS IC1402 6PIN & 12PIN S-Y IC1402 2PIN S-C IC1402 14PIN U IC1402 16PIN V Yes Are the video signals outputted to each pin of IC1402? IC1402 30PIN CVBS IC1402 27PIN S-Y No IC1402 33PIN S-C IC1402 21PIN U IC1402 18PIN V Yes Are the video signals outputted to the specific output terminal? Are the composite video signals and component No video signals outputted to the VIDEO OUT terminal (JK1403)? No Are the luminance signals outputted to the S-OUT terminal (JK1401)? No Are the chroma signals outputted to the S-OUT terminal (JK1401)? Replace the DVD Main CBA Unit or DVD Mecha . Check the line between each pins of CN1601 and each pins of IC1402 on the AV CBA . CN1601 7PIN → IC1402 4PIN CVBS CN1601 5PIN → IC1402 6PIN & 12PIN S-Y CN1601 9PIN → IC1402 2PIN S-C CN1601 3PIN → IC1402 14PIN U CN1601 1PIN → IC1402 16PIN V Is 5V voltage supplied to the Pins(1, 3, 5, 34) of IC1402? Yes Check or replace IC1402? Check the periphery of JK1403 from the Pins(18, 21, 24, 30) of IC1402. Check the periphery of JK1401 from the Pin(27) of IC1402. Check the periphery of JK1401 from the Pin(33) of IC1402. FLOW CHART NO.20 Component video signals are not outputted normally in progressive mode. Set the disc on the disc tray and playback. Yes Yes Are the video signals outputted to each pins of CN1602 on the AV CBA? CN1602 2PIN Y CN1602 4PIN U CN1602 6PIN V No Is FFC cable (W1602) connecting CN1602 on the No AV CBA and Progressive CBA Unit normally? Yes Is FFC cable (W1801) connecting CN1801 on the Progressive CBA Unit and DVD Main CBA Unit No normally? Yes Is component video signals outputted in interlace No mode? Yes Replace Progressive CBA Unit. Check the line between each pin of CN1602 and each pin of JK1403 on the AV CBA, and their periphery. Replace FFC cable. Replace FFC cable. Replace the DVD Main CBA Unit or DVD Mecha.