50AVR-4810CI/AVR-4810Unless specified, 8U-210063-1 A.VIDEO UNIT part.JInputSYESCheck VA and +5VD.+5VA : CY152-13,14pin-5VA : CY152-12pin+5VD : CX141-1pinNG To troubleshooting 1.1 Power notturn on.OKCheck input/output of analog SW.Input Y : IC102-13pinInput C : IC106-13pinOutput Y : IC102-3pinOutput C : IC106-3pinNGCheck analog SW settings.IC102-9,10,11pin : L(0V)IC102-6pin : L(0V)IC106-9,10,11pin : L(0V)IC106-6pin : L(0V)NG Check IC301, IC303 and CX141soldering, or DIGITAL UNIT flaw.OKOK Check soldering of IC102 and IC106.Check input/output of AMP.Input Y : IC113-5pinInput C : IC114-5pinOutput Y : IC113-7pinOutput C : IC114-7pinNG Check soldering of IC113, IC114and surrounding parts.OKCheck output to 8U-310030 DIGITALUNIT.Output Y : CX111-9pinOutput C : CX111-11pinNG Check soldering of CX111.OKCheck input of video driverInput Y : IC305-2pinInput C : IC305-4pinNG Check CX151 soldering, or DIGITALUNIT flaw.OKCheck output of video driver.Output Y : IC305-34pinOutput C : IC305-32pinNG Check soldering of IC305.OKCheck input/output of analog SW.Input Y : IC104-5pinInput C : IC104-14pinOutput Y : IC104-3pinOutput C : IC104-13pinNG Check analog SW settings.IC104-10pin : H(+5V)IC104-9pin : L(0V)NG Check IC301 and CX141 solder-ing, or DIGITAL UNIT flaw.OKOK Check soldering of IC104.Check input/output of AMP.Input Y : IC111-3pinInput C : IC111-5pinOutput Y : IC111-1pinOutput C : IC111-7pinNG Check soldering of IC111.OKCheck cable between main unit and mon-itor or Check monitor.