Denon AVR-1911 Service Manual

35
Input
S
B
Check power supply voltage.
FRONT CONNECTOR B'D
V+5V : CP13B-4pin
V-5V : CP13B-1pin
Check on set value of each IC.
HDMI B'D
L2706 : L(0V)
L2707 : L(0V)
L2708 : L(0V)
L2709 : L(0V)
L2710 : L(0V)
L2711 : L(0V)
Check power supply voltage.
V+5V : IC811-21pin
V-5V : IC811-16pin
Check output of video amplier.
S-Y : IC808-7pin
S-C : IC805-7pin
Check output of video amplier.
Y/C MIX : IC807-7pin
Check output of video amplier.
Y/C MIX : IC807-1pin
Check power supply voltage of
IC806 and IC808, and surrounding
circuitry soldering.
Check power supply voltage of IC8
1
0,
and check oscillation of IC810.
(X'TAL / LC oscillation)
Check power supply voltage of
IC807 and IC804, and surrounding
circuitry soldering.
Check power supply voltage of
IC807, and surrounding circuitry
soldering.
Check cable between main
unit and monitor or check
monitor.
Check power supply voltage of
IC808, and surrounding circuitry
soldering.
Check input selector(IC806).
S-Y : 13pin
S-C : 2pin
Check output of video amplier(IC805)
.
S-Y : 1pin
S-C : 7pin
Check input of selector(IC804).
Y/C MIX : 12pin
Check output of video amplier(IC808).
S-C : 1pin
Check cable between main unit and
player or check player.
Check input circuitry soldering of
OSD IC(IC810).
Extend HDMI B'D using a jig.
REGULATOR B'D aw.
HDMI B'D aw.
Check connection of FRONT
CONNECTOR BD and AV BD.
NG
NG
NG
NG NG
NG
NG
NG
OK
OK
OK
OK
OK
OK
OK
OK
OK
OK
OK
NG
NG
b
Unless specied, AV B'D part.
Check input of OSD IC(IC810)
.
S-Y : 15pin

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