Denon HEOS AVR Service Manual
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Denon HEOS AVR Service Manual

Wireless av receiver
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Wireless AV Receiver
HEOS AVR
• For purposes of improvement, specifications and design are subject to change without notice.
• 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.
Service Manual
Click here!
On-line service parts list
http://dmedia.dmglobal.com/Document/DocumentDetails/23092
Online Parts List
(P5 to P7)
On-line owner's manual
http://manuals.denon.com/HEOSAVR/ALL/EN/index.php
CAUTION IN SERVICING
ELECTRICAL
MECHANICAL
REPAIR INFORMATION
UPDATING
Please refer to the MODIFICATION NOTICE.
Confidential
Ver. 2

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Summary of Contents for Denon HEOS AVR

  • Page 1 Service Manual Ver. 2 Wireless AV Receiver Click here! HEOS AVR On-line service parts list http://dmedia.dmglobal.com/Document/DocumentDetails/23092 Online Parts List (P5 to P7) On-line owner’s manual http://manuals.denon.com/HEOSAVR/ALL/EN/index.php CAUTION IN SERVICING ELECTRICAL MECHANICAL REPAIR INFORMATION UPDATING • For purposes of improvement, specifications and design are subject to change without notice. Please refer to the MODIFICATION NOTICE.

  • Page 2: Caution In Servicing

    CAUTION IN SERVICING SAFETY PRECAUTIONS NOTE FOR SCHEMATIC DIAGRAM NOTE FOR PARTS LIST INSTRUCTIONS FOR HANDLING SEMICONDUCTORS AND OPTICAL UNIT Online Parts List Accessing the Parts List Logging in to New SDI and Accessing the Parts List Accessing the Part List from the Model Asset Screen PRINTED CIRCUIT BOARDS Parts Table Downloading the Parts List as an Excel File Revision History...

  • Page 3: Safety Precautions

    SAFETY PRECAUTIONS ◎ Make a safety check after servicing! The following items should be checked for continued protection of the customer and the service Check that all screws, parts and wires removed or disconnected when servicing have been put back technician.

  • Page 4: Note For Schematic Diagram

    NOTE FOR SCHEMATIC DIAGRAM WARNING: Parts indicated by the z mark have critical characteristics. Use ONLY replacement parts recommended by the manufacturer. CAUTION: Before returning the set to the customer, be sure to carry out either (1) a leakage current check or (2) a line to chassis resistance check.
  • Page 5 Online Parts List Accessing the Parts List Logging in to New SDI and Accessing the Parts List (1) Click the URL link on the cover of the service manual. (1) Access New SDI from the URL below. Examples of display <http://dmedia.dmglobal.com>...
  • Page 6 Accessing the Part List from the Model Asset Screen Downloading the Parts List as an Excel File (1) Display Model Asset from New SDI. (1) Displays the Parts List. Click the Download icon. (2) Click the section displayed as ▼ Link to Part Lists under the model name. NOTE : If the ▼...
  • Page 7 Searching Part Numbers or Ref. Numbers You can search a Parts List for part numbers or Ref. numbers. (1) Enter the part number or Ref. number in the search window of the Parts List, and press the search button. (2) The search results are displayed. The name of the sheet in which the search part is used and the part’s line are displayed.

  • Page 8: Schematic Diagrams

    ELECTRICAL SCHEMATIC DIAGRAMS LEVEL DIAGRAM SCH01_HDMI FRONT ch SCH02_DIGITAL SUPPLY CENTER ch SCH03_MAIN CPU SUBWOOFER ch SCH04_DSP SURROUND ch SCH05_DIR PLD BLOCK DIAGRAM SCH06_MAIN DAC VOLUME SCH07_AUDIO IN OUT SCH08_NETWORK POWER DIAGRAM SCH09_FRONT SUB SCH10_AMP1_2 SCH11_AMP3 SubWoofer WIRING DIAGRAM SCH12_DIFF AMP SCH13_SMPS1 SCH14_SMPS2 SEMICONDUCTORS...
  • Page 9 SCHEMATIC DIAGRAMS SCH01_HDMI HDMI PART SWM5V TO 0A CEC5V CEC3V3 VDD33_RX L2001 CEC1V1 220R/2A Q2001 DGND RT1N141C Q2002 FROM RT1N141C DIGITAL SUPPLY AVDD33RX0_RX L2002 PART JK205 16OHM/3216 CJJ9H022Z AVDD33RX1_RX L2003 19.HP DET R2006 AVDD33RX2_RX 220R/2A 18.+5V 17.GND R2007 AVDD33RX3_RX 16.DDC DATA R2008 15.DDC CLK 14.NC...
  • Page 10 SCH02_DIGITAL SUPPLY DIGITAL SUPPLY PART L2321 60R/3A CN231 L2320 L2322 CN231 60R/3A 60R/3A CJP15GI289ZY 1.MCU+5V L2314 2.USB+5V OPEN 3.DGND 4.S-PD_DET L2316 5.MAIN_POWER 60R/3A 6.DSP_POWER L2317 7.D5.2V 60R/3A L2318 8.D5.2V 60R/3A L2315 9.DGND 60R/3A 10.DGND 11.-7V_A R2354 R2341 NET_POWER 12.+7V_A C2304 R2342 R2355 HDMI_POWER...
  • Page 11 SCH03_MAIN CPU TO HDMI PART TO DSP PART TO DIR_PLD PART FROM/TO D-AMP MAIN PCB TO MAIN_DAC/VOLUME PART MCU PART TO A1 TO 1B TO 2B TO 3B CN31A CN32A TO CN31B TO CN32B CN31A CN32A WAFER 1.25mm / 15P WAFER 1.25mm / 20P PVDD_HL_SW PVDD_HL_SW...
  • Page 12 SCH04_DSP DSP PART FROM/TO DIR_PLD PART FROM NETWORK PART TO 7B TO 8B FROM DA1.1V DIGITAL SUPPLY DGND PART DA3.3V TO B0 DSPA_BOOT R4094 R4095 R4038 DSP_FLAG0 IC402 C4053 M12L128168A-6TG2N 128M BIT SDRAM 1000P C4044 132 131 130 129 128 127 126 125 124 123 122 121 120 119 118 117 116 115 114 113 112 111 110 109 108 107 106 105 104 103 102 101 100 99 98 97 96 95 94 93 92 91 90 89 R4069 C4054 VDD_INT...
  • Page 13 SCH05_DIR PLD DIR/PLD PART TO A2 TO A4 FROM HDMI PART FROM/TO NETWORK PART TO MAIN_DAC / FROM/TO MCU PART VOLUME PART TO B2 TO 9B TO 0C DIR_DSP HDMI_I2S DIRA_MCLK DIRA_BCLK DIRA_LRCK DIRA_DATA DITB_DATA DITB_LRCK R4397 DITB_BCLK DITB_MCLK R4396 MPIO_B1 T438 R4359...
  • Page 14 SCH06_MAIN DAC VOLUME MAIN DAC/VOLUME PART For EMI R4594 R4512 R4593 150K R4592 R4513 R4591 12K(0.5%) R4507 R4514 C4523 R4515 C4529 R4590 15K(0.5%) 270P 50V/47uF(ROB) R4501 R4508 R4511 C4524 100/63V R4502 15K(0.5%) C4501 C4528 C4502 OPEN C4503 C4504 C4543 C4505 OPEN C4506 C4507...
  • Page 15 SCH07_AUDIO IN OUT AUDIO_IN_OUT PART BD3473 R4803 R4804 R4805 PCM1690_FR PCM1690_FR FROM/TO MAIN_DAC/VOLUME L4705 PCM1690_FL PCM1690_FL 220R/2A PCM1690_SR C4764 PCM1690_SR 100P PCM1690_SL PCM1690_SL PCM1690_SW PCM1690_SW TO C2 PCM1690_C PCM1690_C C4765 100P L4706 220R/2A R4806 R4807 R4808 L4703 AUX_IN_R C4762 R4801 R4810 R4797 R4809 27K...
  • Page 16 SCH08_NETWORK NETWORK PART(LEGO MODULE) TH501 10K 85'C_DHTH1608103F3435T R5137 R5138 2.2K/F R5117 IC504 LEGO_NTC_THERMISTOR IN A R5118 OUT Y LEGO OPEN CN501 OPEN LEGO_NTC_THERMISTOR LEGO MODULE CM_RXD NETWORK_R CM_RXD NETWORK_R NETWORK_G CM_SSO NETWORK_G CM_SSO NETWORK_B NETWORK_B CM_MISO CM_MISO +5V_E CM_SCK CM_SCK +5V_E CM_MOSI CM_MOSI...
  • Page 17 SCH09_FRONT SUB FRONT_SUB PART FRONT 3 COLOR LED B'D FRONT ENCODER & BLUE COLOR LED B'D FRONT LED R/G/B C1010 0.1uF R1016 R1017 BN305 R1034 D1008 OPEN BN502 C1017 OPEN DGND D1007 1SC5050BRG 0.1uF R1013 R1001 NET_LED_B BN305 C1018 7P_2mm PITCH R1014 R1018 R1002...
  • Page 18 SCH10_AMP1_2 AMP1_2 PART FROM/TO DIGITAL AMP3 & SW PART TO DIFF AMP PART FROM DIFF AMP PART TO 4C TO 5C TO 6C Q6012 CN31B RT1N141C R6077 DAMP_RESET1 R6079 R6071 DAMP_RESET2 100K DAMP_RESET3 R6080 FAULT R6081 R6004 RELAY_FRONT R6082 RELAY_CENTER R6083 +12V_DAMP R6001...
  • Page 19 SCH11_AMP3 SubWoofer AMP3 & Sub Woofer PART R6035 IC603 +12V_DAMP R6034 TPA3251D2 C6092 Panasonic Film Cap Close to RY604 50V/0.033uF L6010 GVDD_AB BST_A 10uH Q6013 C6091 BST_B FROM VOLUME PART RT1P141C JK604 50V/0.033uF C6074 R6098 25V/47uF 100/F INPUT_A OUT_A D-AMP_SLIN+ CJJ5N025Z INPUT_B OUT_A...
  • Page 20 SCH12_DIFF AMP DIFF AMP PART R6358 OPEN C6302 22pF R6307 R6308 C6304 R6309 0.1uF R6304 C6301 OPEN C6303 R6302 R6310 50V/47uF(ROB) 22pF R6305 * OPEN C6306 OPEN C6307 OPEN R6357 R6359 OPEN C6309 22pF R6319 R6318 C6311 R6317 0.1uF R6312 C6308 C6310 R6314...
  • Page 21 SCH13_SMPS1 HEOSAVRSR SMPS SCHEMATIC DIAGRAM D952 FCU20A40 L924 100MHz_60ohm_6A TF92 1.5uH BD90 D931 AMP+34V CN622 MM1Z4.7 +12V_IN R958 BD98 D923 56KF CN622 AMP+34V FCU20A40 22 1W BD99 TO CN621 PC90-B AMP+34V R972 C910 EL357NB 1KV 102 K DGND DGND PC91-A PC90-A YW396-03V Q924...
  • Page 22 SCH14_SMPS2 HEOSAVRSR SMPS SCHEMATIC DIAGRAM PGND RY91-A HL3-1A-12SH For Q910, D906, D909 TH92 HEAT SINK D906 DSC-8D13 FSU10B60 DB91 D25SB60 D909 TF93-B HS90 PGND FSU10B60 TF93-C TF93-A VCC_PFC PGND PGND CX94 275V 224 K AC-N IC90 Q911 ICE2PCS02G AC-N LF93 2SC6046 DB92 D908...
  • Page 23 PRINTED CIRCUIT BOARDS D-AMP, SMPS Lead-free Solder When soldering, use the Lead-free Solder (Sn-Ag-Cu). D-AMP (A SIDE) D-AMP (B SIDE) SMPS (A SIDE) SMPS (A SIDE) R6336 R6337 R6338 C6035 R6008 C6012 C6011 C6338 R6347 R6113 R6349 C6008 R6348 C6007 C6006 R6003 R6002...
  • Page 24 DIGITAL, REMOCON SENSOR, COLOR LED, ENCODER & BLUE COLOR LED, AC INLET DIGITAL (A SIDE) REMOCON SENSOR (A SIDE) REMOCON SENSOR (B SIDE) LINE INPUT COAXIAL RC101 C1013 Q1006 AUX/MIC ETHERNET OPTICAL DVD/Blu-ray (4K) Blu-ray(4K) Q1002 HDMI OUT CBL/SAT(4K) MEDIA PLAYER(4K) CONNECT_BTN BT_BTN R1025...
  • Page 25 LEVEL DIAGRAM FRONT ch HEOS AVR LEVEL DIAGRAM FRONT ch BD3473KS2 TPA3251D2 SPEAKER LINE IN +26dB GAIN ADJ. ＋ PCM1690 PCM9211 ＋ ＋ － － ATT ADC: -6 / -6.5 / -7.5 / -9 / -12dB ADSP21487KSWZ-4BB +30dB BD3473KS2 MAX. OUTPUT 3.8Vrms SP OUT 3.17Vrms...
  • Page 26 CENTER ch HEOS AVR LEVEL DIAGRAM CENTER ch BD3473KS2 TPA3251D2 SPEAKER +26dB GAIN ADJ. PCM1690 ＋ ＋ － － ADSP21487KSWZ-4BB +30dB BD3473KS2 MAX. OUTPUT 3.8Vrms Differential Out PCM1690 SP OUT 3.17Vrms (4Ω/6Ω/8Ω) 2.83Vrms=0dBFS MAX. SIGNAL LEVEL +20dB +20dB DOLBY LIMIT LEVEL (ALLch-3dBFS)
  • Page 27 SUBWOOFER ch HEOS AVR LEVEL DIAGRAM SUBWOOFER ch BD3473KS2 MUTE PRE OUT GAIN ADJ. PCM1690 ＋ ＋ － － ADSP21487KSWZ-4BB +30dB MAX. SIGNAL LEVEL BD3473KS2 MAX. OUTPUT 3.8Vrms Differential Out PCM1690 DOLBY LIMIT LEVEL (ALLch-3dBFS) 2.83Vrms=0dBFS +20dB +20dB -10dBFS +10dB...
  • Page 28 SURROUND ch HEOS AVR LEVEL DIAGRAM SURROUND ch BD3473KS2 TPA3251D2 SPEAKER +26dB GAIN ADJ. PCM1690 ＋ ＋ － － ADSP21487KSWZ-4BB +30dB R2A15218FP MAX. OUTPUT 3.8Vrms SP OUT 3.17Vrms Differential Out PCM1690 (4Ω/6Ω/8Ω) 2.83Vrms=0dBFS MAX. SIGNAL LEVEL +20dB +20dB DOLBY LIMIT LEVEL (ALLch-3dBFS)

  • Page 29: Block Diagram

    BLOCK DIAGRAM BLOCK DIAGRAM ANALOG INPUT D-AMP TS5A3357DCUR * 2 TO BD3473KS2 (1 PIN) TO BD3473KS2 (49/50PIN) M1/M2/FAULE/CLIP_OTW/RESET MIC_MUT 3.3V ANALOG TPA3251D2 MUTE LN358PT DEMP (From MCU) I2C/MODE/MUTE/RESET SWITCH 7PIN FL/FR PCM5100 63PIN I2S (-192kHz) SDATA1(I2S_PLD) * NOT USED SDATA2(I2S_PLD) AUDIO DAC 3.3V SDATA3(I2S_PLD)

  • Page 30: Power Diagram

    POWER DIAGRAM VCC DIAGRAM TF92 *SMPS PCB PART D952 FCU20A40 AMP VCC(+34V) 8.5A D923 FCU20A40 LF91 RING-616/120uH Min RELAY TH92 T 8.0A H 250V DSC-8D13 TH91 F901 DSC-2.5D20 MAIN_POWER AC CORD D25SB60 DA+5V TF91 LM1117C-5V0 60 ohm BEAD DB91 IC237 197mA D25SB60 REG(+7V)

  • Page 31: Wiring Diagram

    WIRING DIAGRAM WIRING DIAGRAM SUNON FAN (60 X 60 X 25 mm) DIGITAL PCB CN231 WIRE 15PIN 2.5mm PITCH WIRE 2PIN WAFER 2.5mm PITCH PCB BOTTOM LAYOUT AC INLET 80PIN(DUAL WAFER) CN304 WIRE 3PIN CN502 2mm PITCH CN303 CN305 CN31A WIRE 5PIN CN32A WAFER...
  • Page 32 SEMICONDUCTORS Only major semiconductors are shown, general semiconductors etc. are omitted to list. The semiconductor which described a detailed drawing in a schematic diagram are omitted to list. 1. IC's R5F5634BCDFB (DIGITAL : IC301) 35 P22/SCK0 CEC_PW CEC Power supply switch 36 P21/SCL1 I2C3_SCL I2C-I/F for PCM9211, BMA250...
  • Page 33 ADSP21487KSWZ-4BB (DIGITAL : IC401) 88 PA7/MISOA HMISO HDMI(NM864788A) SPI-MISO、MCU:Master ※ 89 PA6/MOSIA HMOSI HDMI(NM864788A)SPI-MOSI、MCU:Master ※ 90 PA5/RSPCKA HSCLK HDMI(NM864788A) SPI-CLK、MCU:Master ※ 91 VCC PIN 1 92 PA4/SSLA0 HDMI(NM864788A) SPI-ChipSelect、MCU:Master ※ (PU) 93 VSS 94 PA3 OR_MDACBP1 Jitter Reducer ON('H') OFF('L') 95 PA2 OR_MDACBP0 Selector of signal output for Main DAC(PLD)
  • Page 34 M12L128168A SDRAM (DIGITAL : IC402) MX25L1606E SERIAL FLASH MEMORY(DIGITAL : IC403) PCM9211 DIR (DIGITAL : IC432, IC433) ERROR/INT0 VDDRX NPCM/INT1 RXIN1 MPIO_A0 MPIO_A1 RXIN2 Block Diagram MPIO_A2 RXIN3 MPIO_A3 RXIN4/ASCKIO PCM9211 Clock MPIO_C0 RXIN5/ABCKIO Generator Bank D Clock MPIO_C1 RXIN6/ALRCKIO Bank C Generator Bank D...
  • Page 35 BLOCK DIAGRAM DESCRIPTION NAME FILT TOLERANT AUXIN 0 Main output port, Bit clock output AUTO RXIN7 RXIN 0 RXIN0 SCKO SCKO Main output port, System clock output DOUT RXIN 1 RXIN1 MAIN OUTPUT RXIN 2 RXIN2 AUXIN0 LRCK SCKO/ BCK/LRCK DGND –...
  • Page 36 PCM1690 (DIGITAL : IC451) TERMINAL PULL- DESCRIPTION NAME DOWN TOLERANT RSV2 28 — — — Reserved, tied to analog ground VOUT8+ 29 O Positive analog output from DAC8 VOUT8- 30 O Negative analog output from DAC8 VOUT7+ 31 O Positive analog output from DAC7 VOUT7- 32 O Negative analog output from DAC7...
  • Page 37 BD3473KS2 (DIGITAL : IC480) PCM5100 (DIGITAL : IC474) Pin Function TERMINAL DESCRIPTION NAME CPVDD Charge pump power supply, 3.3V CAPP Charge pump flying capacitor terminal for positive rail CPGND Charge pump ground Figure 2. Pin configuration CAPM Charge pump flying capacitor terminal for negative rail ●Description of terminal Terminal Terminal...
  • Page 38 TPA3251 (D-AMP : IC601, IC602, IC603) Pin Function NAME I/O(1) DESCRIPTION AVDD Internal voltage regulator, analog section BST_A HS bootstrap supply (BST), external 0.033 µF capacitor to OUT_A required. BST_B HS bootstrap supply (BST), external 0.033 µF capacitor to OUT_B required. BST_C HS bootstrap supply (BST), external 0.033 µF capacitor to OUT_C required.
  • Page 39 MECHANICAL DISASSEMBLY Flowchart 1. REAR PANEL and TOP PANEL 2. SIDE PANEL 3. FRONT PANEL ASSY 4. DIGITAL PCB 5. BOTTOM COVER 6. SMPS PCB 7. D-AMP PCB EXPLODED VIEW PACKING VIEW...
  • Page 40 DISASSEMBLY Flowchart • Remove each part following the flow below. • Reassemble the removed parts in the reverse order. • Read "SAFETY PRECAUTIONS" before reassembling the removed parts. • If wire bundles are removed or moved during adjustment or part replacement, reshape the wires after completing the work. Failure to shape the wires correctly may cause problems such as noise. •...

  • Page 41: Side Panel

    • The photographs with no shooting direction indicated were taken from the top of the unit. (1) Remove the screws. Cut the wire clamps. • Photos of HEOS AVR are used in this manual. The viewpoint of each photograph (Shooting direction : X) [View from the top] ↓Shooting direction: B↓...

  • Page 42: Digital Pcb

    4. DIGITAL PCB 5. BOTTOM COVER Proceeding : REAR PANEL and TOP PANEL → SIDE PANEL → FRONT PANEL ASSY Proceeding : REAR PANEL and TOP PANEL → SIDE PANEL → FRONT PANEL ASSY → DIGITAL PCB → DIGITAL PCB → BOTTOM COVER (1) Remove the screws.

  • Page 43: Exploded View

    EXPLODED VIEW Parts List : http://dmedia.dmglobal.com/Document/DocumentDetails/23092 M20 X4 M19 X12 T1 -2 WARNING: Parts marked with this symbol z have critical characteristics. Use ONLY replacement parts recommended by the manufacturer.

  • Page 44: Packing View

    PACKING VIEW Parts List : http://dmedia.dmglobal.com/Document/DocumentDetails/23092 12 -4 12 -6 12 -5 12 -8 12 -3 12 -7 12 -2 12 -1 UK plug (UK Only)

  • Page 45: Troubleshooting

    9. Bluetooth (AUX IN) 10. No sound from another HEOS speaker 10. Standby (Select LINE IN input on HEOS AVR) 11. No sound from another HEOS speaker 11. Volume button and Mute button (Select AUX IN input on HEOS AVR) 12.
  • Page 46 TROUBLE SHOOTING 1. The power cannot be turned on 2. No audio output from this unit (Streaming/mobile Audio playback) Check the parts between con- Is there a connection between the router and this Are there any improper connec- Connect router to this unit according to "QSG". Is the front indicator blinking in nector and the secondary circuit unit?
  • Page 47 3. No audio output (HDMI OUT (ARC)) Check the input of Volume IC (DIGITAL PCB) Is there a connection between the TV and this Connect TV to this unit according to "QSG". unit? [IC480 : 62pin] PCM1690_FR [IC480 : 63pin] PCM1690_FL Check the soldering of peripheral parts.
  • Page 48 5. No audio output 7. No audio output (OPT) (LINE IN) Is there a connection between the TV and this Is there a connection between the Input Source Connect input source to this unit according to Connect TV to this unit according to "QSG". unit? and this unit? "QSG".
  • Page 49 8. No audio output 9. No audio output *Only Analog Direct Mode (LINE IN) (AUX IN) Is there a connection between the Input Source Connect input source to this unit according to Is there a connection between the Input Source Connect input source to this unit according to and this unit? "QSG".
  • Page 50 10. No sound from another HEOS speaker (Select LINE IN input on HEOS AVR) Is there a connection between the router and this Check the input of Network Module (DIGITAL PCB) Connect router to this unit according to "QSG". Check the soldering of peripheral parts.
  • Page 51 11. No sound from another HEOS speaker 13. No sound from another HEOS speaker (Select AUX IN input on HEOS AVR) (Select COAX input on HEOS AVR) Is there a connection between the router and this Is there a connection between the router and this Connect router to this unit according to "QSG".
  • Page 52 14. Cannot connect to the network by wired LAN 15. Cannot connect to the network by wireless LAN Remove the LAN cable and turn the power back Connect the LAN cable correctly and turn the Is the LAN cable connected correctly? Is the LAN cable connected? on.
  • Page 53 LED STATUS Status LED Connect in Status LED 1. Updating 5. Factory Reset The following transition occurs during an update. The same occurs in network and USB updates. Press and hold the "Bluetooth" button before inserting the power plug, then insert the power plug while holding down the button and wait for more than 5 seconds.
  • Page 54 Status LED Connect in Status LED 8. When connecting to network (Setup Assistant) 10. Standby The following transition occurs during connection to the network. Refer to "QSG". The following transition occurs when this unit switches to standby. Connection estab- When network Network Press "Connect"...
  • Page 55 NOTE : Enter the file name in double quotation marks. (The file extension is not required.) Service Region File name ・ Windows PC North America "denon-config-locale-set-1" ・ USB flash drive format : Prepare a USB flash drive formatted in FAT16 or FAT32. NOTE： Europe "denon-config-locale-set-2"...
  • Page 56 2. Service Release Type settings update procedures Copy the Service Release Type settings from the USB flash drive to this unit. (4) Enter the file name "aios-config-release-type-set-3" and click the Save button. 2.1. Items to Be Prepared NOTE : Enter the file name in double quotation marks. (The file extension is not required.) ・...
  • Page 57 3. How to check the firmware version, service region settings and service release type (2) How to check the version of the "HEOS Apps" (1) How to check the version of the HEOS (illustrations below show the HEOS 3 model) Perform the operations below to display the "About"...
  • Page 58 UPDATING PROCEDURE AFTER REPLACING THE U-COM, ETC. FIRMWARE UPDATE PROCEDURE 1. Items necessary for update 2. Updating via MAIN PCB 3. Updating via USB 4. Work flow for writing firmware after changing network module...
  • Page 59 PROCEDURE AFTER REPLACING THE U-COM, ETC. The procedure after replacing the u-COM (microprocessor), flash ROM, etc. is as follows. Procedure PCB Name Ref. No. Description Remark after Re- placement DIGITAL IC301 R5F5634BCDFB SOFTWARE : MCU DIGITAL IC403 MX25L1606EM2I-12G SOFTWARE : DSP ROM DIGITAL IC431 5M240ZT100C5N...

  • Page 60: Firmware Update Procedure

    FIRMWARE UPDATE PROCEDURE 1. Items necessary for update Items necessary for update are as follows. Offered / not Offered Update Type Needed Part for Update Requirement Standard Service Equipment Purchase from D&M Article code Download from SDI Not offered by D&M Update Smart phone...
  • Page 61 • Ethernet cable (CAT-5 or greater is recommended) 2.2. Connection of HEOS NOTE： (1) Search for "HEOS by Denon" in the App Store™ or Google Play™ and download the HEOS app for iOS This display is updating two units at the same time.
  • Page 62 3. Updating via USB You can update the firmware by downloading the latest version with USB flash drive. 3.1. Connecting to the USB flash drive (1) Preparation • USB flash drive format : Prepare a USB flash drive formatted in FAT16 or FAT32. •...
  • Page 63 4. Work flow for writing firmware after changing network module Change the network module Follow the instructions below to write the Service region settings. "1. Service region settings update procedures" Check the following. Insert the USB flash drive. ・Serial number of this unit ・...
  • Page 64 Copyright 2016-2017 D&M Holdings Inc. All rights reserved.

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