Denon AVC-2890 Service Manual
Also see for AVC-2890: Service manual
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5AVR-2805/985/AVC-2890ADJUSTMENTAudio SectionIdling Current (1U-3469-1)Required measurement equipment: DC Voltmeter1. Preparation(1) Avoid direct blow from an air conditioner or an electricfan, and adjust the unit at normal room temperature 15 °C~ 30 °C (59 °F ~ 86 °F).(2) Presetting• POWER (Power source switch) OFF• SPEAKER (Speaker terminal) No load(Do not connect speaker, dummy resistor, etc.)2. Adjustment(1) Remove top cover and set VR101, VR102, VR201,VR301, VR302, VR401, VR402, on 1U-3469-1 (PowerUnit) at fully counterclockwise ( ).(2) Connect DC Voltmeter to test points (FRONT-Lch:TP301pin, FRONT-Rch: TP101 pin, CENTER ch:TP301 pin, SURROUND-Lch: TP101 pin, SUR-ROUND-Rch: TP101 pin, SURROUND BACK-Lch:TP301 pin, SURROUND BACK-Rch: TP301pin).(3) Connect power cord to AC Line, and turn power switch"ON".(4) Presetting.MASTER VOLUME : "---" counterclockwise ( min.)MODE : 7CH STEREOFUNCTION : CD(5) Allow 2 minutes, and turn VR101 clockwise ( ) to ad-just the TEST POINT voltage to 6.5 mV ± 0.5 mV DC.(6) After 10 minutes from preset, turn VR101 to set the volt-age to 8 mV ± 0.5 mV DC.(7) Adjust the Variable Resistors of other channels in thesame way.(8) After 5 minutes from (6), turn VR101 to set the voltage to8 m ± 0.5 mV DC.(9) Adjust the Variable Resistors of other channels in thesame way.www. xiaoyu163. comQQ 376315150 992894298TEL 13942296513 992894298051513673QQTEL 13942296513 QQ 376315150 892498299TEL 13942296513 QQ 376315150 892498299http://www.xiaoyu163.comhttp://www.xiaoyu163.com |
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