Denon HEOS Amp HS2 Manuale utente

MODEL JP E3 E2 EK EA E1 E1K E1C
HEOS Amp HS2
P P
Wireless Amplier
Ver. 3
S0250V03DM/DG1804
• Please use this service manual with referring to the operating instructions without fail.
• Some illustrations using in this service manual are slightly different from the actual set.
• For purposes of improvement, specications and design are subject to change without notice.
Please refer to the
MODIFICATION NOTICE.
Copyright 2017-2018 D&M Holdings Inc. All rights reserved.
WARNING: Violators will be prosecuted to the maximum extent possible.
e
SERVICE MANUAL
e
D&M Holdings Inc.

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 ow ......................................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
2

Jump to the target of a schematic
diagram connector
Click the Ref. No. of the target connector in the red
box around a schematic diagram connector.
•The screen jumps to the target connector.
•Pagemagnicationstaysthesameasbeforethe
jump.
CP401
CP106
v
ABOUT THIS MANUAL
Read the following information before using the service manual.
What you can do with this manual
Search for a Ref. No. (phrase)
(Ctrl+Shift+F)
You can use the search function in Acrobat Reader to
search for a Ref. No. in schematic diagrams, printed
wiring board diagrams, block diagrams, and parts
lists.
1.Press Ctrl+Shift+Fonthekeyboard.
• The Search window appears.
2.EntertheRef.No.youwanttosearchforinthe
Search window, and then click the Search button.
•A list of search results appears.
3.Click an item on the list.
• The screen jumps to the page for that item, and the
searchphraseisdisplayed.
Ctrl
Shift
F
3

Using Adobe Reader (Windows version)
• Properties
Click this button and check that the printer is set to a
suitable paper size.
• Page to print
Select the following checkbox.
"More Options" : "Current View"
• Page Sizing & Handling
Select the following checkbox.
"Size" / "Size Options" : "Fit"
Add notes to this data (Sign)
TheSignfunctionletsyouaddnotestothedatain
this manual.
Savetheleonceyouhavenishedaddingnotes.
[Example using Adobe Reader X]
On the "View" menu, click "Sign".
• The Sign pane appears.
[Example using Adobe Reader 9]
On the "Document" menu, click "Sign".
Magnify schematic / printed wiring
board diagrams - 1
(Ctrl+Space, mouse operation)
Press Ctrl+Spaceonthekeyboardanddragthe
mousetoselecttheareayouwanttoview.
• Theselectedareaismagnied.
• Whenyouwanttomovetheareashown,hold
down Space and drag the mouse.
• Whenyouwanttoshowafullpageview,press
Ctrl+0onthekeyboard.
Ctrl Space
0
Print a magnied part of the manual
ThePropertiesdialogboxandfunctionswillvarydependingonyourprinter.
1. Dragthemousetomagnifythepartyouwanttoprint.
2. On the "File" menu, click "Print".
3. CongurethefollowingsettingsinthePrintdialogbox.
4. Click the Print button to start printing.
4

Magnify schematic / printed wiring
board diagrams - 2
(Pan & Zoom function)
ThePan&Zoomfunctionletsyouseewhichpartof
amagnieddiagramisbeingshowninaseparate
window.
[Example using Adobe Reader X]
On the "View" menu, point to "Zoom", and then click
"Pan & Zoom".
• The Pan & Zoom window appears on the screen.
[Example using Adobe Reader 9]
On the "Tools" menu, point to "Select & Zoom", and
then click "Pan & Zoom Window".
Magnify schematic / printed wiring
board diagrams - 3
(Loupe Tool function)
TheLoupeToolfunctionletsyoumagnifyaspecic
part of a diagram in a separate window.
[Example using Adobe Reader X]
On the "View" menu, point to "Zoom", and then click
"Loupe Tool".
• The Loupe Tool window appears on the screen.
[Example using Adobe Reader 9]
On the "Tools" menu, point to "Select & Zoom", and
then click "Loupe Tool Window".
5

SAFETY PRECAUTIONS
The following items should be checked for continued protection of the customer and the service technician.
leakage current check
Beforereturningthesettothecustomer,besuretocarryouteither(1)aleakagecurrentcheckor(2)alinetochassis
resistance check. If the leakage current exceeds 0.5 milliamps, or if the resistance from chassis to either side of the
power cord is less than 460 kohms, the set is defective.
Be sure to test for leakage current with the AC plug in both polarities, in addition, when the set's power is in each state
(on,offandstandbymode),ifapplicable.
CAUTION Please heed the following cautions and instructions during servicing and
inspection.
◎Heed the cautions!
Cautions which are delicate in particular for servicing
are labeled on the cabinets, the parts and the chassis,
etc. Be sure to heed these cautions and the cautions
described in the handling instructions.
◎Cautions concerning electric shock!
(1) AnACvoltageisimpressedonthisset,soifyou
touch internal metal parts when the set is energized,
youmaygetanelectricshock.Avoidgettingan
electricshock,byusinganisolatingtransformer
and wearing gloves when servicing while the set is
energized,orbyunpluggingthepowercordwhen
replacing parts, for example.
(2) Therearehighvoltagepartsinside.Handlewith
extra care when the set is energized.
◎Caution concerning disassembly and
assembly!
Through great care is taken when parts were
manufacturedfromsheetmetal,theremaybeburrson
theedgesofparts.Theburrscouldcauseinjuryifngers
are moved across them in some rare cases. Wear gloves
toprotectyourhands.
◎Use only designated parts!
Theset'spartshavespecicsafetyproperties(re
resistance,voltageresistance,etc.).Besuretouseparts
which have the same properties for replacement. The
burrs have the same properties. In particular, for the
importantsafetypartsthatareindicatedbythezmark
on schematic diagrams and parts lists, be sure to use
the designated parts.
◎Be sure to mount parts and arrange the wires
as they were originally placed!
Forsafetyseasons,somepartsusetapes,tubesorother
insulatingmaterials,andsomepartsaremountedaway
from the surface of printed circuit boards. Care is also
takenwiththepositionsofthewiresbyarrangingthem
andusingclampstokeepthemawayfromheatingand
highvoltageparts,sobesuretoseteverythingbackas
itwasoriginallyplaced.
◎Make a safety check after servicing!
Check that all screws, parts and wires removed or
disconnected when servicing have been put back in their
original positions, check that no serviced parts have
deteriorate the area around. Then make an insulation
check on the external metal connectors and between
the blades of the power plug, and otherwise check that
safetyisensured.
(Insulationcheckprocedure)
Unplug the power cord from the power outlet, disconnect
the antenna, plugs, etc., and on the power. Using a 500V
insulation resistance tester, check that the insulation
resistancevaluebetweentheinplugandtheexternally
exposedmetalparts(antennaterminal,headphones
terminal,inputterminal,etc.)is1MΩorgreater.Ifitis
less, the set must be inspected and repaired.
Manyoftheelectricandthestructuralpartsusedinthe
sethavespecialsafetyproperties.Inmostcasesthese
propertiesaredifculttodistinguishbysight,andtheuse
ofreplacementpartswithhigherratings(ratedpower
andwithstandvoltage)doesnotnecessarilyguarantee
thatsafetyperformancewillbepreserved.Partswith
safetypropertiesareindicatedasshownbelowonthe
wiring diagrams and the parts list in this service manual.
Be sure to replace them with the parts which have the
designated part number.
(1) Schematicdiagrams.......Indicatedbythez mark.
(2) Partslists.......Indicatedbythezmark.
The use of parts other than the
designated parts could cause electric
shocks,resorotherdangerous
situations.
CAUTION Concerning important
safety parts
6

NOTE FOR SCHEMATIC DIAGRAM
WARNING:
Partsindicatedbythezmarkhavecriticalcharacteristics.UseONLYreplacementpartsrecommendedbythemanufacturer.
CAUTION:
Beforereturningthesettothecustomer,besuretocarryouteither(1)aleakagecurrentcheckor(2)alinetochassisresistancecheck.If
the leakage current exceeds 0.5 milliamps, or if the resistance from chassis to either side of the power cord is less than 460 kohms, the set
is defective.
WARNING:
DONOTreturnthesettothecustomerunlesstheproblemisidentiedandremedied.
NOTICE:
ALLRESISTANCEVALUESINOHM.k=1,000OHM/M=1,000,000OHM
ALLCAPACITANCEVALUESAREEXPRESSEDINMICROFARAD,UNLESSOTHERWISEINDICATED.PINDICATESMICRO-MICRO
FARAD.EACHVOLTAGEANDCURRENTAREMEASUREDATNOSIGNALINPUTCONDITION.CIRCUITANDPARTSARESUBJECT
TOCHANGEWITHOUTPRIORNOTICE.
NOTE FOR PARTS LIST
1.Partsindicatedby"nsp"onthistablecannotbesupplied.
2.Whenorderingapart,makeacleardistinctionbetween"1"and"I"(i)toavoidmis-supplying.
3.Apartorderedwithoutspecifyingitspartnumbercannotbesupplied.
4.Partindicatedby" ★" mark is not illustrated in the exploded view.
WARNING: Partsindicatedbythezmarkhavecriticalcharacteristics.UseONLYreplacementpartsrecommendedbythe
manufacturer.
INSTRUCTIONS FOR HANDLING SEMI-CONDUCTORS AND OPTICAL UNIT
Electrostaticbreakdownofthesemi-conductorsoropticalpickupmayoccurduetoapotentialdifferencecausedby
electrostatic charge during unpacking or repair work.
1. GroundforHumanBody
Besuretowearagroundingband(1MΩ)thatisproperlygroundedtoremoveanystaticelectricitythatmaybe
chargedonthebody.
2. GroundforWorkbench
Besuretoplaceaconductivesheetorcopperplatewithpropergrounding(1MΩ)ontheworkbenchorothersurface,
wherethesemi-conductorsaretobeplaced.Becausethestaticelectricitychargeonclothingwillnotescapethrough
thebodygroundingband,becarefultoavoidcontactingsemi-conductorswithyourclothing
<Incorrect>
CBA
Grounding Band
Conductive Sheet or
Copper Plate
1MΩ
1MΩ
<Correct>
CBA
7

Personal notes:
8

nAudio section
Power amplifier Rated output : 2-channel driving
100W+100W (6Ω, 1 kHz, T.H.D. 0.7%)
Output connectors : 4 - 16 Ω/ohms
THD+N : ANALOG IN: 0.5 %(1 kHz)
S/N ratio (10 W, 6 Ω/ohms, IHF-A) : ANALOG IN: 83 dB(IHF-A weighted)
Frequency response : 10 Hz to 40 kHz : +1, -3 dB
nWireless LAN section
Network type : Conforming to IEEE 802.11a/b/g/n/ac
Used frequency range : 2.4 GHz, 5 GHz
nGeneral
Operating temperature : 41°F-95°F (5°C - 35°C)
Power supply : AC 120V, 60Hz (for North America)
AC 220-240V, 50/60Hz (for Europe)
Power consumption: 60W
Power consumption in Quick Start Mode : 4.5W
Power consumption in Deep Standby mode : 0.3W
TECHNICAL SPECIFICATIONS
DIMENSION
oDimensions (Unit : in. (mm))
6 3/16 (157)
8 45/64 (221)
15/64
(6) 3 27/64 (87)
3 21/32 (93)
8 5/16 (211)
8 27/64 (214)
1 31/32 (50) 4 3/8 (111)
DENON
oWeight : 6 lbs 2.8 oz (2.8 kg)
For the purpose of improvement, the specifications and design are subject to change without notice.
Contents Setup Use Troubleshooting Status LED Appendix
53
Unit : in. (mm)
Weight : 6 lbs 3 oz (2.8 kg)
9

DISASSEMBLY
• Removeeachpartfollowingtheowbelow.
• Reassembletheremovedpartsinthereverseorder.
• Read"SAFETY PRECAUTIONS"beforereassemblingtheremovedparts.
• Ifwirebundlesareremovedormovedduringadjustmentorpartreplacement,reshapethewiresaftercompleting
thework.Failuretoshapethewirescorrectlymaycauseproblemssuchasnoise.
SIDE COVER
See "DISASSEMBLY
1. SIDE COVER"
and"EXPLODED VIEW"
ORNAMENT,SIDELASS'Y
(Ref.No.ofEXPLODEDVIEW:P4)
ORNAMENT,SIDERASS'Y
(Ref.No.ofEXPLODEDVIEW:P5)
SIDEKEYPCB
(Ref.No.ofEXPLODEDVIEW:C4)
TOP COVER
See "DISASSEMBLY
2. TOP COVER"
and"EXPLODED VIEW"
TOPCOVERASSY
(Ref.No.ofEXPLODEDVIEW:P3)
BOTTOM COVER
See "DISASSEMBLY
3. BOTTOM COVER"
and"EXPLODED VIEW"
COVER,BOTTOMASS'Y
(Ref.No.ofEXPLODEDVIEW:P2)
FRONT COVER
See "DISASSEMBLY
4. FRONT COVER"
and"EXPLODED VIEW"
FRONTPANELHEOSAMP
(Ref.No.ofEXPLODEDVIEW:P1)
FRONTLEDPCB
(Ref.No.ofEXPLODEDVIEW:C6)
DIGITAL ASSY
See "DISASSEMBLY
5. DIGITAL ASSY"
and"EXPLODED VIEW"
CONNECTPCB
(Ref.No.ofEXPLODEDVIEW:C3)
DIGITALPCB
(Ref.No.ofEXPLODEDVIEW:C7)
MODULE,AIOS4000LEGOMODULE
(Ref.No.ofEXPLODEDVIEW:C8)
MAIN ASSY
See "DISASSEMBLY
6. MAIN ASSY"
and"EXPLODED VIEW"
MAINPCB
(Ref.No.ofEXPLODEDVIEW:C1)
SMPSPCB
(Ref.No.ofEXPLODEDVIEW:C2)
DCINPCB
(Ref.No.ofEXPLODEDVIEW:C10)
REARLEDPCB
(Ref.No.ofEXPLODEDVIEW:C5)
10
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