Denon AVR-3801 - Audio Section Adjustment; Idling Current Setting

1212
AVR-3801AVR-3801
Audio SectionAudio Section
Idling Current (1U-3315-1)Idling Current (1U-3315-1)
Required measurement equipment : DC VoltmeterRequired measurement equipment : DC Voltmeter
PreparationPreparation
(1)(1) Avoid direct blow from an air conditioner or an electric fan, and adjust the unit at normal room tempereture 15 °C ~ 30 °CAvoid direct blow from an air conditioner or an electric fan, and adjust the unit at normal room tempereture 15 °C ~ 30 °C
(59 °F ~ 86 °F).(59 °F ~ 86 °F).
(2)(2) PresettingPresetting
&& POWER (Power sourse switch)POWER (Power sourse switch) →→ OFFOFF
&& SPEAKER (Speaker terminal)SPEAKER (Speaker terminal) →→ No load (Do not connect speaker, dummy resistor, etc.)No load (Do not connect speaker, dummy resistor, etc.)
AdjustmentAdjustment
(1)(1) Remove top cover and set VR101, VR102, VR201, VR202, VR301, VR302, VR401, on 1U-3315-1 (Power Unit) at Remove top cover and set VR101, VR102, VR201, VR202, VR301, VR302, VR401, on 1U-3315-1 (Power Unit) at fullyfully
counterclockwise ( counterclockwise (
) )..
(2)(2) Connect DC Voltmeter to test points (FRONT-Lch: TP101, FRONT-Rch: TP102, CENTER ch: TP401, SURROUND-Lch:Connect DC Voltmeter to test points (FRONT-Lch: TP101, FRONT-Rch: TP102, CENTER ch: TP401, SURROUND-Lch:
TP201, SURROUND-Rch: TP202, SURROUND BACK-Lch: TP301, SURROUND BACK-Rch: TP302).TP201, SURROUND-Rch: TP202, SURROUND BACK-Lch: TP301, SURROUND BACK-Rch: TP302).
(3)(3) Connect power cord to AC Line, and turn power switch "ON".Connect power cord to AC Line, and turn power switch "ON".
(4)(4) Presetting.Presetting. MASTER VOLUMEMASTER VOLUME :: "---" counterclockwise ( "---" counterclockwise (
min.) min.)
MODEMODE :: 7CH STEREO7CH STEREO
FUNCTIONFUNCTION :: CDCD
(5)(5) Allow 2 minutes, and turn VR101 clockwise ( Allow 2 minutes, and turn VR101 clockwise (
) to adjust the TEST POINT voltage to 6.5 mV ) to adjust the TEST POINT voltage to 6.5 mV ±±0.5 mV DC.0.5 mV DC.
(6)(6) After 10 minutes from preset, turn VR101 to set the voltage to 8 mV After 10 minutes from preset, turn VR101 to set the voltage to 8 mV ±±0.5 mV DC.0.5 mV DC.
(7)(7) Adjust the Variable Resistors of other channels in the same way.Adjust the Variable Resistors of other channels in the same way.
(8)(8) After 5 minutes from (6), turn VR101 to set the voltage to 8 mV After 5 minutes from (6), turn VR101 to set the voltage to 8 mV ±±0.5 mV DC.0.5 mV DC.
(9)(9) Adjust the Variable Resistors of other channels in the same way.Adjust the Variable Resistors of other channels in the same way.
VR302
DC Voltmeter
TP302
VR401
TP401
VR102
TP102
VR101
TP101
VR202
TP202
VR201
TP201
TP301
VR301
SBR ch
C ch
FR ch
FL ch
SR ch
SL ch
SBL ch