Denon AVR-4810CI Service Manual
Also see for AVR-4810: Owner's manual
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70AVR-4810CI/AVR-48105. Analog audio5.1. PRE AMP SECTION5.2. Amp assign SECTIONNo sound is outputYESIs the voltage of 7V supplied to 8U-210063 CY073?NO The power supply of 7V is repaired.YESIs the audio signal transmitted to 8U-210063 CX611?YES To troubleshooting 5.2 Amp assignSECTION.NOIs the connector correctly connectedwith ucom board (8U-210064)?NO Connect the connectors properly.Is the serial data for electronic volumetransmitted to 8U-210063 CW132?NOYESYES The ucom board (8U-210064) isrepaired.Once more, checking the connection of the connector.When can specify the trouble of the channel and function, check the signal route where itcorresponds.No sound is outputYESIs the voltage of 7V supplied to 8U-310045 CX309?NO The power supply of 7V is repaired.YESIs the audio signal transmitted to 8U-310045 CW192?YES Connect the connectors properly.NOIs the connector correctly connectedwith A.AUDIO board (8U-210063-2)?NO Connect the connectors properly.Is the serial data for selector (IC302/IC303/ IC304) transmitted?NOYESYES Is the serial data for serector(IC513/IC514/ IC515) transmitted to 8U-310045CX505?NOCheck IC513, IC514 and IC515soldering. Connect the connectors properly.Once more, checking the connection of the connector.When can specify the trouble of the channel and function, check the signal route where itcorresponds.YES |
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