Denon AVR-3312 Service Manual

81
TROUBLE SHOOTING
1. POWER
1.1. Power not turn on
YES YES
YES
NO
NO
YES
NO
NO
0.6Vor-0.6V
When the power turned on,
does the ON/STANDBY
indicator on the front panel
ashing green?
Is the fuse blown?
About 10 seconds later,
does the ON/STANDBY
indicator on the front panel
turn lighting green ?
Check voltage of CN704 (1-
5PIN) of HDMI B'D while the
ON/STANDBY indicator is
ashing green.
Pull out connector (CN781) of
SPK BD, and check "2. Errors
checking mode".
(Refer to 20 page.)
Power not turn on.
Is the fuse blown?
When the power turned on,
does the ON/STANDBY
indicator on the front panel
ashing red?
Is a DC 5V voltage being
supplied from the SMPS B'D
(BN903) to the HDMI B'D?
Refer to 1.2.Fuse is blown.
Refer to 1.2. Fuse is blown.
Check circuitry and parts from CN704 on
the HDMI B'D to the µ-com for damage
and shortcircuits, and replace any
defective parts.
Check "2. Errors
checking mode".
(Refer to 20 page.)
Are there any incomplete
connections in the connectors
connecting between the
various circuit boards?
Is a DC 5V voltage output
when the cord supplying the
power from the SMPS B'D
to the HDMI B'D (CN903) is
unplugged?
Check µ-com periphery
circuitry of HDMI B'D and
replace any defective parts.
Check circuitry and parts from
CN903 on the HDMI B'D to the
µ-com power supply for damage
and shortcircuits, and replace
any defective parts.
Connect the connectors properly.
To troubleshooting
6.SMPS.
(Refer to 103 page.)
NO
YES
YES
0V
YES
NO
NO NO
Check for leaks or short
circuits in the primary side
parts, and replace any
defective parts.
Fuse is blown
Check for short circuits in the
rectier diodes and circuitry of
the secondary side rectifying
circuits, and replace any
defective parts.
After repairing, also replace the fuse.
Check for short circuits in
the power stabilizer unit's
regulator output terminal and
the ground, and replace any
defective parts.
1.2. Fuse is blown
YES

Denon AVR-3312 Specifications

General

Impedance	8 Ω
Receiver type	Surround
Frequency range	10 - 100000 Hz
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)	102 dB
Total Harmonic Distortion (THD)	0.8 %
Power output per channel (1KHz@8 Ohm)	165 W
Power output per channel (20-20KHz@8 Ohm)	125 W
HDMI in	7
Audio (L/R) in	8
Composite video in	5
Ethernet LAN (RJ-45) ports	1
Multichannel audio input type	RCA
Component video (YPbPr/YCbCr) in	2
Composite video out	3
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	VFL
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)	670 W
Card reader integrated	-
Cables included	AC

Weight and Dimensions

Depth	382 mm
Width	434 mm
Height	167 mm
Weight	11800 g