Denon AVR-3312 Service Manual

2
CONTENTS
SAFETY PRECAUTIONS ..........................................................3
NOTE FOR SCHEMATIC DIAGRAM
.........................................4
TECHNICAL SPECIFICATIONS
................................................5
DIMENSION
...............................................................................5
CAUTIONS IN SERVICING
.......................................................6
Initializing INTEGRATED NETWORK AV RECEIVER ..............6
Service Jig .................................................................................6
DISASSEMBLY
..........................................................................7
1. FRONT PANEL ASSY ...........................................................9
2. HEAT SINK ASSY ...............................................................10
3. HDMI UNIT ASSY ................................................................12
4. TRANS MAIN ......................................................................15
SPECIAL MODE
......................................................................16
Special mode setting button ....................................................16
1. µcom/DSP Version display mode ........................................17
2. Errors checking mode (Displaying the protection history) ...20
3. Remote ID Setup mode .......................................................22
PROTECTION DIAGRAM
........................................................23
4. DIAGNOSTIC MODE
(Video/Audio (signal) path conrmation mode) ...................24
BLOCK DIAGRAM
...................................................................29
JIG FOR SERVICING
..............................................................63
WHEN THE MICROPROCESSOR IS
REPLACED WITH A NEW ONE
.............................................67
PROCEDURE FOR UPGRADING
THE VERSION OF THE FIRMWARE
....................................67
ADJUSTMENT
.........................................................................74
SURROUND MODES AND PARAMETERS
............................75
TROUBLE SHOOTING
............................................................81
1. POWER ...............................................................................81
2. Analog video ........................................................................82
3. HDMI/DVI ............................................................................88
4. AUDIO .................................................................................97
5. Network/USB .....................................................................100
6. SMPS ................................................................................103
CLOCK FLOW & WAVE FORM IN DIGITAL BLOCK
...........106
LAEVEL DIAGRAM
...............................................................107
PRINTED WIRING BOARDS
................................................. 113
7CH AMP (COMPONENT SIDE) ..........................................113
7CH AMP (FOIL SIDE) .......................................................... 113
SMPS (COMPONENT SIDE) ................................................114
SMPS (FOIL SIDE) ...............................................................114
SPK_PREOUT (COMPONENT SIDE) ..................................115
SPK_PREOUT (FOIL SIDE) .................................................116
INPUT (COMPONENT SIDE) ...............................................117
INPUT (FOIL SIDE) ............................................................... 118
FUSE (COMPONENT SIDE).................................................119
F_WIDE (COMPONENT SIDE).............................................119
RS232C_CNT (COMPONENT SIDE) ...................................119
FUSE (FOIL SIDE) ................................................................119
F_WIDE (FOIL SIDE) ............................................................119
RS232C_CNT (FOIL SIDE) ...................................................119
POSISTOR (COMPONENT SIDE) ........................................119
POSISTOR (FOIL SIDE) .......................................................119
FRONT (COMPONENT SIDE) ..............................................120
V.AUX (FOIL SIDE) ...............................................................120
FRONT (FOIL SIDE) .............................................................120
V.AUX (COMPONENT SIDE) ................................................120
GUIDE L (COMPONENT SIDE) ............................................121
HDMI FFC (COMPONENT SIDE) .........................................121
GUIDE TOP (COMPONENT SIDE).......................................121
HDMI FFC (FOIL SIDE) ........................................................121
GUIDE TOP (FOIL SIDE) ......................................................121
GUIDE L (FOIL SIDE) ...........................................................121
USB (COMPONENT SIDE) ...................................................121
HP (COMPONENT SIDE) .....................................................121
GUIDE R (COMPONENT SIDE) ...........................................121
HP (FOIL SIDE) .....................................................................121
GUIDE R (FOIL SIDE)
...........................................................121
USB (FOIL SIDE) ..................................................................121
SELECTOR (COMPONENT SIDE) .......................................122
RS232C (COMPONENT SIDE).............................................122
SELECTOR (FOIL SIDE) ......................................................122
RS232C (FOIL SIDE) ............................................................122
SIDE_CNT (COMPONENT SIDE) ........................................123
SIDE_CNT (FOIL SIDE) ........................................................123
VIDEO (COMPONENT SIDE) ...............................................124
VIDEO (FOIL SIDE) ..............................................................125
FRONT CNT (COMPONENT SIDE) .....................................126
FRONT CNT (FOIL SIDE) .....................................................127
HDMI (COMPONENT SIDE) .................................................128
HDMI (FOIL SIDE) ................................................................129
SCHEMATIC DIAGRAMS
......................................................130
USB UNIT..............................................................................130
FRONT UNIT .........................................................................130
AMP UNIT (1/2) .....................................................................131
AMP UNIT (2/2) .....................................................................132
SPK/PREOUT/REG UNIT (1/4).............................................133
SPK/PREOUT/REG UNIT (2/4).............................................134
SPK/PREOUT/REG UNIT (3/4).............................................135
SPK/PREOUT/REG UNIT (4/4).............................................136
CNT/RS232C UNIT (1/4).......................................................137
CNT/RS232C UNIT (2/4).......................................................138
CNT/RS232C UNIT (3/4).......................................................139
CNT/RS232C UNIT (4/4).......................................................140
INPUT UNIT
..........................................................................141
VIDEO UNIT ..........................................................................142
SMPS UNIT ...........................................................................143
DIGITAL UNIT (1/16) .............................................................144
DIGITAL UNIT (2/16) .............................................................145
DIGITAL UNIT (3/16) .............................................................146
DIGITAL UNIT (4/16) .............................................................147
DIGITAL UNIT (5/16) .............................................................148
DIGITAL UNIT (6/16) .............................................................149
DIGITAL UNIT (7/16) .............................................................150
DIGITAL UNIT (8/16) .............................................................151
DIGITAL UNIT (9/16) .............................................................152
DIGITAL UNIT (10/16) ...........................................................153
DIGITAL UNIT (11/16) ...........................................................154
DIGITAL UNIT (12/16) ...........................................................155
DIGITAL UNIT (13/16) ...........................................................156
DIGITAL UNIT (14/16) ...........................................................157
DIGITAL UNIT (15/16) ...........................................................158
DIGITAL UNIT (16/16) ...........................................................159
WIRING DIAGRAM
................................................................160
EXPLODED VIEW
..................................................................161
PARTS LIST OF EXPLODED VIEW
......................................163
PACKING VIEW
.....................................................................166
PARTS LIST OF PACKING & ACCESSORIES
.....................167
SEMICONDUCTORS
.............................................................168
1. IC's ....................................................................................168
2. FL DISPLAY.......................................................................199
PARTS LIST OF P.C.B. UNIT
................................................201
PCB FRONT ASSY ...............................................................201
PCB 7CH_AMP ASSY ...........................................................203
PCB CNT ASSY ....................................................................208
PCB MAIN ASSY...................................................................209
PCB INPUT ASSY .................................................................213
PCB VIDEO ASSY ................................................................215
PCB SMPS ASSY .................................................................217
PCB HDMI ASSY ..................................................................219

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