Denon AVR-2312 Service Manual

77
Input
CVBS,S,COMPONENT
A
Check on set value of each IC.
Is they the following voltage
values?
VSDA : I2C(AVSDA)
VSCL : I2C(AVSCL)
Refer to 79 page.
T15 : H(5V)
T14 : L(0V)
Is the DET signal able to
detect?
Is the signal input to video
decoder (IC121)?
<DET signal>
V_DET : H(3.3V)
S_DET : H(3.3V)
COMP_DET : H(3.3V)
<Input signal>
V : C1256
S(Y) : C1308
S(C) : C1309
COMPONENT(Y) : C1319
COMPONENT(Cb) : C1318
COMPONENT(Cr) : C1317
FRONT CONNECTOR B'D aw
or defective connection of the
connector.
The parts between
CONNETOR(CN21B) and IC121
are defective
VIDEO B'D aw.
V/COMPONENT : B-
q
S : C-
q
REGULATOR B'D aw.
VIDEO B'D and REGULATOR
B'D and connection of the wire
are defective.
HDMI B'D aw.
NO
NO
YES
YES
Is the power supply voltage
correctly output?
V+5V : CN931-4pin
V-5V : CN931-1pin
NO
YES
VIDEO B'D aw.
V/COMPONENT : B-
w
S : C-
w

Denon AVR-2312 Specifications

General

Impedance	8 Ω
Speaker selector	A+B
Input sensitivity	200 mV
Pre-out connectivity	Yes
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@8 Ohm)	135 W
Power output per channel (20-20KHz@8 Ohm)	105 W
HDMI in	7
Composite video in	4
Ethernet LAN (RJ-45) ports	1
Multichannel audio input type	RCA
Component video (YPbPr/YCbCr) in	2
Headphone connectivity	6.3 mm
Connectivity technology	Wired
Speakers connectivity type	Binding post
Audio formats supported	AAC, FLAC, MP3, WAV, WMA
Image formats supported	JPG
Wi-Fi	No
AM band range	522 - 1611 kHz
FM band range	87.5 - 108 MHz
Supported radio bands	AM, FM
Preset stations quantity	56
Internet radio services supported	Last.fm, Napster
Supported video modes	1080i, 1080p, 480i, 480p, 576i, 576p, 720p
Display	VFD
HDMI version	1.4a
Product color	Black
Audio decoders	Dolby Pro Logic IIz, Dolby TrueHD, DTS-HD Master Audio
Volume control	Rotary
Apple docking compatibility	iPad, iPhone, iPod
Number of products included	1 pc(s)
AC input voltage	230 V
AC input frequency	50 Hz
Power consumption (standby)	0.1 W
Power consumption (typical)	600 W

Weight and Dimensions

Depth	382 mm
Width	434 mm
Height	167 mm
Weight	11000 g