Denon AVR-1912 Service Manual

63
Input
CVBS
A
Check on set value of each IC.
Is they the following voltage
values?
HDMI B'D
FB112 : H(5V)
FB114 : L(0V)
FB116 : L(0V)
FB124 : H(5V)
FB126 : L(0V)
FB118 : H(5V)
FB120 : H(5V)
Is the power supply voltage
correctly output?
V+5V : C951 : + side
V-5V : C947 : - side
Is the signal output from the
video amplier?
V : IC823-7pin
Is the signal output from the
video amplier?
V : IC821-1pin
Check power supply voltage of
IC826 and IC823, and surrounding
circuitry soldering.
Check power supply voltage of
IC806 and IC821, and surrounding
circuitry soldering.
Check cable between main
unit and monitor or check
monitor.
Check power supply voltage of
IC822, and surrounding circuitry
soldering.
Is the signal input to selector
(IC826)?
V : 5pin
Is the signal input to selector
(IC806)?
V : 11pin
Check the pattern from IC823 to
IC806.
Is the signal input to selector
(IC822)?
V : 14pin
Check cable between main unit and
player or check player.
Extend HDMI B'D using a jig.
REGULATOR B'D aw.
HDMI B'D aw.
Check connection of FRONT
CONNECTOR BD and AV BD.
NO
NO
NO
NO NO
NO NO
YES
YES
YES
YES
YES
YES
YES
YES
b
Unless specied, AV B'D part.
NO
Is the power supply voltage
correctly output?
FRONT CONNECTOR B'D
V+5V : CP13B-4pin
V-5V : CP13B-1pin
q
e
w
r
t
y

Denon AVR-1912 Specifications

General

Impedance	47 Ω
Receiver type	Surround
Frequency range	10 - 100000 Hz
Input sensitivity	200 mV
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)	0.08 %
Power output per channel (1KHz@6 Ohm)	125 W
Power output per channel (20-20KHz@8 Ohm)	90 W
HDMI in	6
Composite video in	3
Component video (YPbPr/YCbCr) in	1
Headphone connectivity	6.3 mm
Connectivity technology	Wired
Speakers connectivity type	Banana connector/Binding posts
Audio formats supported	AAC, FLAC, MP3, WAV, WMA
Image formats supported	JPG
Wi-Fi	No
Ethernet LAN	Yes
AM band range	520 - 1710 kHz
FM band range	87.5 - 107.9 MHz
Supported radio bands	AM, FM
Preset stations quantity	56
Supported video modes	1080i, 1080p, 480i, 480p, 576i, 576p, 720p
Analog signal format system	NTSC, PAL
Display	-
Product color	Black
Audio decoders	Dolby Digital EX, Dolby Digital Plus, Dolby Pro Logic II, Dolby Pro Logic IIx, Dolby Pro Logic IIz, Dolby TrueHD, DTS 96/24, DTS Neo:6, DTS-ES, DTS-ES (Discrete 6.1), DTS-ES (Matrix 6.1), DTS-HD
Apple docking compatibility	iPhone, iPod
AC input voltage	120 V
AC input frequency	60 Hz
Power consumption (standby)	0.1 W
Power consumption (typical)	460 W

Weight and Dimensions

Depth	382 mm
Width	435 mm
Height	167 mm
Weight	10200 g