Table Of Contents - Denon HEOS 7 HS2 Service Manual

CONTENTS
ABOUT THIS MANUAL ................................................................3
What you can do with this manual ...........................................3
Using Adobe Reader (Windows version) ...................................4
SAFETY PRECAUTIONS ...............................................................6
NOTE FOR SCHEMATIC DIAGRAM ..............................................7
NOTE FOR PARTS LIST ................................................................7
Instructions for handling semi-conductors and optical unit ...7
1. Ground for Human Body ......................................................7
2. Ground for Workbench ........................................................7
TECHNICAL SPECIFICATIONS .....................................................9
DIMENSION ..............................................................................10
DISASSEMBLY ..........................................................................11
1. HOUSING FRONT ................................................................12
2. AMP ASSY ...........................................................................13
Procedure after Replacing the Microprocessor, etc. ..............14
FIRMWARE UPDATE PROCEDURE ............................................15
1. MAIN PCB Update Procedure .............................................15
2. Updating via USB ...............................................................17
3. Service region settings update procedures .......................19
4. Service Release Type settings update procedures .............20
5. Firmware burning procedure
after Core Module replacement flow .................................21
6. How to check the version , Release Type, Locale ...............22
TROUBLE SHOOTING ................................................................23
1. Power not turn on ..............................................................23
2. No sound is output speaker ...............................................23
3. No sound is AUX Function .................................................24
4. Cannot connect to network For a wired LAN ....................25
5. Cannot connect to network For a wireless LAN .................26
6. USB device is not recognized .............................................26
BLOCK DIAGRAM .....................................................................27
WIRING DIAGRAM ....................................................................28
PRINTED CIRCUIT BOARDS ......................................................29
SCHEMATIC DIAGRAMS (01/11)...............................................30
SCH01-AIOS Lego ....................................................................30
SCH02-AUDIO PROCESS ..........................................................31
SCH03-CTIA_QMTP .................................................................32
SCH04-MCU .............................................................................33
SCH05-MISC ............................................................................34
SCH06-POWER ........................................................................35
SCH07-Tweeter AMP ...............................................................36
SCH08-USB and ETHERNET .....................................................37
SCH09-Woofer AMP ................................................................38
SCH10-S.Woofer AMP and HP AMP .........................................39
SCH11-Key Board and HP JACK ...............................................40
EXPLODED VIEW ......................................................................41
Sealing gasket view of an air leak prevention .......................42
Sheet view of the anti-vibration .............................................43
PACKING VIEW .........................................................................44
SEMICONDUCTORS ..................................................................45
1. IC's ......................................................................................45
2