Denon HEOS Amp HS2, Service Manual

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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
TECHNICAL SPECIFICATIONS ................................................9
DIMENSION ...............................................................................9
DISASSEMBLY ........................................................................10
1. SIDE COVER .....................................................................12
2. TOP COVER ......................................................................13
3. BOTTOM COVER ..............................................................13
4. FRONT COVER .................................................................14
5. DIGITAL ASSY ...................................................................14
6. MAIN ASSY ........................................................................15
Procedure after Replacing the Microprocessor, etc. ..........16
Firmware Update Procedure ..................................................17
1. MAIN PCB Update Procedure ............................................17
2. Updating via USB ...............................................................18
3. Service region settings update procedures ........................20
4. Service Release Type settings update procedures ............21
5. Firmware burning procedure
after Core Module replacement flow ......................................22
6. How to check the version , Release Type, Locale .............23
TROUBLE SHOOTING ............................................................24
1. POWER ..............................................................................24
2. AUDIO ................................................................................26
AUDIO CHECK PATH .............................................................28
MEASURING METHOD AND WAVEFORMS .........................32
BLOCK DIAGRAM
...................................................................35
POWER DIAGRAM ..................................................................36
WIRING DIAGRAM ..................................................................37
PRINTED Circuit BOARDS .....................................................38
SCHEMATIC DIAGRAMS .......................................................40
SCH01_DIGITAL 1 .................................................................40
SCH02_DIGITAL 2 ..................................................................41
SCH03_DIGITAL 3 ..................................................................42
SCH04_DIGITAL 4 ..................................................................43
SCH05_FUNCTION & VOLUME (MAIN-1) .............................44
SCH06_AMP (MAIN-2) ...........................................................45
SCH07_SIDE KEY & LED & CONNECT (MAIN-3) .................46
SCH08_SMPS (MAIN-4) .........................................................47
EXPLODED VIEW ...................................................................48
PACKING VIEW .......................................................................50
SEMICONDUCTORS ...............................................................51
1. IC's .....................................................................................51
CONTENTS
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