Denon AVR-1911 Service Manual

31
ADJUSTMENT
Audio Section
Idling Current
Required measurement equipment: DC Voltmeter
1. 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) STANDBY
• SPEAKER(Speakerterminal) Noload
(Donotconnectspeaker,dummyresistor,etc.)
2. Adjustment
(1) RemovetopcoverandsetVR401,VR402,VR403,VR404,VR405,VR406,VR407on7CHAMPUNITatfully
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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.)
MODE :MCHSTEREO
FUNCTION :DVD
(5) Within2minutesafterthepoweron,turnVR401clockwise(
x
)toadjusttheTESTPOINTvoltageto
1.5 mV ± 0.5 mV DC.
(6) After 10 minutes from the preset above, turn VR401 to set the voltage to 2.0 mV ± 0.5 mV DC.
(7) AdjusttheVariableResistorsofotherchannelsinthesameway.
7CH AMP UNIT
DC Voltmeter
F Lch
S Lch
F Rch
C ch
S Rch
S Back Lch
S Back Rch
TP401
VR404
TP404
VR403
VR405
TP405
VR402
TP402
VR407
TP406
VR401
VR406
TP403
TP407

Denon AVR-1911 Specifications

General

Frequency range	10 - 100000 Hz
Audio output channels	7.1 channels
Audio A/D Converter (ADC)	24-bit/96kHz
Signal-to-Noise Ratio (SNR)	100 dB
Total Harmonic Distortion (THD)	0.8 %
HDMI	Yes
Audio system	Dolby TrueHD, Dolby Digital Plus, Dolby Digital EX, Dolby Pro Logic II, Dolby Pro Logic IIx, Dolby Pro Logic IIz, DTS-HD, DTS 96/24
Output power	125 W
Dimensions (WxDxH)	434 x 381 x 171 mm
Power requirements	AC 230, 50 Hz
HDMI ports quantity	5
AM band range	522 - 1611 kHz
FM band range	87.5 - 108 MHz
I/O ports	1 x Component in 1 x Composite Monitor out 1 x USB 1 x Microphone 1 x FM Tuner Antenna 1 x AM Tuner Antenna
Connectivity technology	Wired
Headphone outputs	7
Digital audio optical in	1
Product color	Black
Power consumption (standby)	0.1 W
Power consumption (typical)	460 W

Weight and Dimensions

Weight	10200 g