Denon AVR-4810CI Service Manual

Also see for AVR-4810: Owner's manual

Contents

57AVR-4810CI/AVR-4810Unless specified, 8U-210063-1 A.VIDEO UNIT part.OInputCVBSYESCheck 5VA, +5VD and +9VA.+5VA : CY152-13,14pin-5VA : CY152-12pin+5VD : CX141-1pin+9VA : CY152-15pinNG To troubleshooting 1.1 Power notturn on.OKCheck input/output of analog SW.Input Y : IC109-13pinOutput C : IC109-3pinNG Check analog SW settings.IC109-9,10,11pin : L(0V)IC109-6pin : L(0V)NG Check IC301, IC303 and CX141soldering, or DIGITAL UNIT flaw.OKOK Check soldering of IC109.Check input/output of AMP.Input : IC115-5pinOutput : IC115-7pinNG Check soldering of IC115 andsurrounding parts.OKCheck output to 8U-310030 DIGITAL UNIT.Output V : CX111-1pinNG Check soldering of CX111.OKCheck input of video driver.Input Y : IC305-15inInput Cb : IC305-17pinInput Cr : IC305-13pinNG Check CX151 soldering, or DIGITALUNIT flaw.OKCheck output of video driver.Output Y : IC305-22pinOutput Cb : IC305-20pinOutput Cr : IC305-24pinNG Check soldering of IC305.OKCheck input/output of Relay.Input Y : RL401-7pinInput Cb : RL401-8pinInput Cr : RL402-7pinOutput Y : RL401-5pinOutput Cb : RL401-6pinOutput Cr : RL402-5pinTR401-B : H(5V)NGCheck soldering of RL401, R402,TR401, IC303 and surroundingparts and CX121, or DIGITAL UNITflaw.OKCheck input/output of AMP.Input Y : IC504-1pinInput Cb : IC504-3pinInput Cr : IC504-5pinOutput Y : IC504-13pinOutput Cb : IC504-11pinOutput Cr : IC504-9pinNG Check AMP settings.IC504-7pin : H(5V)NG Check CX141 soldering, or DIGI-TAL UNIT flaw.OKOK Check soldering of IC504.Check cable between main unit and mon-itor or Check monitor.