Denon AVR-E400 Service Manual
Also see for AVR-E400: Getting started guideOwner's manualGetting startedQuick start guide
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ADJUSTMENTAudio SectionAdjusting Idling CurrentRequired measurement equipment: DC Voltmeter1. Preparation(1) Temperature should be at avoid direct blow from an air conditioner or an electric fan and humidity should be moderate,and place the set at normal usage environment.15 °C ~ 30 °C (59 °F ~ 86 °F)(2) Presetting• POWER (Power source switch) STANDBY• SPEAKER (Speaker terminal) No load(Do not connect speaker, dummy resistor, etc.)2. Adjustment(1) Remove the top cover and set VR401, VR402, VR403, VR404, VR405, VR406, VR407 on at fully 7CH AMP UNIT atfully counterclockwise (c) position.(2) Connect DC Voltmeter to test points (FRONT-Lch: TP401, FRONT-Rch: TP402, CENTER ch: TP403, SURROUND-Lch: TP404, SURROUND-Rch: TP405, SURROUND-BACK Lch: TP406, SURROUND-BACK Rch: TP407.(3) Connect the power cord to AC Line, and set the power switch to "ON".(4) Presetting.MASTER VOLUME : "---" counterclockwise (c min.)SPEAKER (Speaker terminal) : No load(Do not connect speaker, dummy resistor, etc.)MODE : MCH STEREOFUNCTION : DVD(5) Within 2 minutes after the power on, turn VR401 clockwise (x) to adjust the TEST POINT voltage to6.5mV ± 0.5mV DC.(6) After 10 minutes from the preset above, turn VR401 to set the voltage to 8.0mV ± 0.5mV DC.(7) Adjust the Variable Resistors of each channel in the same way.DC VoltmeterF LchS Lch F RchC chS Rch S Back Lch S Back RchTP401VR404TP404VR403 VR405TP405VR402TP402VR407TP406VR401 VR406TP403TP4077CH AMP UNIT74 |
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