Denon DHT-390XP Service Manual
Also see for AVR-390: Owner's manual
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16DHT-390XPADJUSTMENTAudio SectionIdling CurrentRequired measurement equipment: DC Voltmeter1.Preparation(1) Avoid direct blow from an air conditioner or an electric fan, 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 VR213FL, FR, C, SL, SR, on Main Amp. Unit at fully counterclockwise (c) position.(2) Connect DC Voltmeter to test points (FRONT-Lch: TP201FL, FRONT-Rch: TP201FR, CENTER ch: TP201C,SURROUND-Lch: TP201SL, SURROUND-Rch: TP201SR).(3) Connect power cord to AC Line, and turn power switch "ON".(4) Presetting.MASTER VOLUME : "---" counterclockwise (c min.)SPEAKER (Speaker terminal) : No load(Do not connect speaker, dummy resistor, etc.)FUNCTION : EXT IN(5) Within 2 minutes after the power on, turn VR101 clockwise (x) to adjust the TEST POINT voltage to1.5 mV ± 0.5 mV DC.(6) After 10 minutes from the preset above, turn VR101 to set the voltage to2.0 mV ± 0.5 mV DC.(7) Adjust the Variable Resistors of other channels in the same way.VR213FRVR213SL VR213FL VR213C VR213SRS Lch F LchTP201FLTP201SL TP201FRTP201C TP201SRC ch F Rch S RchDC VoltmeterMAIN UNITAMP. UNITAVR-390 |
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