Denon HEOS 7 HS2 Service Manual
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Denon HEOS 7 HS2 Service Manual

Wireless music system
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HEOS 7 HS2
• 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.
S0249V04DM/DG1804
SERVICE MANUAL
MODEL
Wireless Music System
Copyright 2017-2018 D&M Holdings Inc. All rights reserved.
WARNING: Violators will be prosecuted to the maximum extent possible.
JP
E3
E2
P P
e
D&M Holdings Inc.
Ver. 4
Please refer to the
MODIFICATION NOTICE.
EK
EA
E1
E1C E1K
P

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Summary of Contents for Denon HEOS 7 HS2

  • Page 1 MODIFICATION NOTICE. SERVICE MANUAL MODEL E1C E1K HEOS 7 HS2 Wireless Music System • 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.

  • Page 2: Table Of Contents

    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.

  • Page 3: About This Manual

    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 circuit diagrams, block diagrams, and parts lists.

  • Page 4: Using Adobe Reader (Windows Version)

    Using Adobe Reader (Windows version) Add notes to this data (Sign) Magnify schematic / printed circuit board The Sign function lets you add notes to the data in diagrams - 1 (Ctrl+Space, mouse operation) this manual. Save the file once you have finished adding notes. Press Ctrl+Space on the keyboard and drag the [Example using Adobe Reader X] mouse to select the area you want to view.
  • Page 5 Magnify schematic / printed circuit board Magnify schematic / printed circuit board diagrams - 2 diagrams - 3 (Loupe Tool function) (Pan & Zoom function) The Pan & Zoom function lets you see which part of The Loupe Tool function lets you magnify a specific a magnified diagram is being shown in a separate part of a diagram in a separate window.

  • Page 6: Safety Precautions

    SAFETY PRECAUTIONS The following items should be checked for continued protection of the customer and the service technician. leakage current check 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 7: 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. 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.
  • Page 8 Personal notes:...

  • Page 9: Technical Specifications

    TECHNICAL SPECIFICATIONS n Wireless LAN Network type : Conforming to IEEE 802.11a/b/g/n/ac Used frequency range : 2.4 GHz, 5 GHz n General Operating temperature : 41 °F - 95 °F (5 °C - 35 °C) Power supply : AC 100 – 240 V, 50/60 Hz Power consumption: Power consumption in Network Standby mode : 4.5W...

  • Page 10: Dimension

    DIMENSION Unit : in. (mm) Weight : 10 lbs 2 oz (4.6 kg) 18 55/64(479) 6 29/64(164)

  • Page 11: Disassembly

    DISASSEMBLY • Remove each part following the flow below. • Reassemble the removed parts in the reverse order. • Read "Precautions During Work" before reassembling the removed parts. • If wire bundles are removed or moved during adjustment or part replacement, reshape the wires after completing the work.

  • Page 12: Housing Front

    • The photographs with no shooting direction indicated were taken from the top of the unit. • Photos of HEOS 7 HS2 are used in this manual. The viewpoint of each photograph (Shooting direction : X) [View from the top] ↓Shooting direction: B↓...

  • Page 13: Amp Assy

    (2) Remove the connector. 2. AMP ASSY Proceeding : GRILLE FRONT → GRILLE REAR → HOUSING FRONT → AMP ASSY (1) Remove the screws. Remove the connector. ANTENNA WHITE ANTENNA BLACK...

  • Page 14: Procedure After Replacing The Microprocessor, Etc

    PROCEDURE AFTER REPLACING THE MICROPROCESSOR, ETC. The procedure after replacing the u-COM (microprocessor), flash ROM, etc. is as follows. Procedure after PCB Name Ref. No. Description Remark Replacement Be sure to update the firmware. MAIN Module PWB ASSY Be sure to rewrite the service region setting. Be sure to rewrite the service Release Type setting.

  • Page 15: Firmware Update Procedure

    (The figure is HEOS7 model) Router (1) With Android, the HEOS app can be downloaded by searching for "HEOS by Denon" in Google Play ™ or in the page accessed by scanning the QR code (China only). With iOS, the HEOS app can be downloaded by searching for "HEOS by Denon" in the App Store ™ .
  • Page 16 (3) If there is a software update, follow step 1 to step 4 below. → → → Step 1 Step 2 Step 3 Step 4 Tap the "Update Now". Tap the "Next". The software is written to this "Update completed" is displayed. Unit.

  • Page 17: Updating Via Usb

    2. Updating via USB You can update the firmware by downloading the latest version with USB flash drive. 2.1. Connecting to the USB Memory (1) Preparation ・ Windows PC ・ USB flash drive format : Prepare a USB flash drive formatted in FAT16 or FAT32. b We recommend a USB flash drive that has an LED installed.
  • Page 18 2.2. Start the update Connect the USB memory to the HEOS Player's USB Port. Updating is started automatically. Player's status LED should be blinking amber during upgrading the firmware. Example of HEOS 5 LED Actions. LED on the front is blinking amber. One the upgrade is complete, the player reboots automatically.

  • Page 19: Service Region Settings Update Procedures

    (3) Click the "File" and Click the "Save As..." button. (4) Input File name and Click Save button. Note : Typing the file name surrounded by double quotes.(No need file extension) Model Area File name North America "denon-config-locale-set-1" Europe "denon-config-locale-set-2" Japan "denon-config-locale-set-3" Australia "denon-config-locale-set-4"...

  • Page 20: Service Release Type Settings Update Procedures

    4. Service Release Type settings update procedures Write the Service Release Type setting file to this unit from the USB memory. 4.1. Items to Be Prepared ・ Windows PC ・ USB format : Prepare a USB memory formatted in FAT16 or FAT32. Note： ・ Do not run the USB memory through a hub. ・...

  • Page 21: Firmware Burning Procedure After Core Module Replacement Flow

    5. Firmware burning procedure after Core Module replacement flow Change Region Setting. Core Module replacement. Insert USB memory. Checking Writing - Player serial number. See "3.Service region settings Old Core Module's update procedures". - WiFi MAC address. New Core Module's - WiFi MAC address. Blue blink Remove the USB memory. Power On Network cable is unplugged.

  • Page 22: How To Check The Version , Release Type, Locale

    6. How to check the version , Release Type, Locale (1) How to check the version for "HEOS".(The figure is HEOS3 model) From "Settings" menu of the HEOS application, please display the "About" menu according to the following operation. Step 1 → Step 2 → Step 3 → Tap the "My Devices". Tap the "HEOS3R". Tap the "Advanced". → → Step 4 Step 5 Tap the "About". Check the version, Release type and Locale. (2) How to check the version for "HEOS Apps". From "Settings" menu of the HEOS application, please display the "About" menu according to the following operation. Step 1 → Step 2 Tap the "About". Check the version. Display is different depending on the version of Apps.

  • Page 23: Trouble Shooting

    Connect a speaker with a router based on "QUICK SETUP Is connection established between router and Speaker ? GUIDE". DENON LIVE APP settings for a mobile device is set correctly? Check input of DSP. INPUT : U1- 24pin DSP_RESET "Hi" level OK?

  • Page 24: No Sound Is Aux Function

    Connect a speaker with a router based on "QUICK SETUP Is connection established between router and Speaker ? GUIDE". DENON LIVE APP settings for a mobile device is set correctly ? Check input of A/D. INPUT : U9- 13pin VinL analog signal input? Check the soldering of rounding parts or U10 flaw.

  • Page 25: Cannot Connect To Network For A Wired Lan

    Check input of DIGITAL AMP for Woofer. INPUT : U8- 25pin AMP_RESET1 "Hi" level OK? U8- 19pin AMP_PDN1 "Hi" level OK? Check the soldering of rounding parts or U1 DSP IC flaw. U8- 20pin AIOS_LRCLK U8- 21pin AIOS_SCLK U8- 22pin DSP_I2S_D0 U8- 15pin AIOS_MCLK 11.289MHz OK? Check input of DIGITAL AMP for Tweeter.

  • Page 26: Cannot Connect To Network For A Wireless Lan

    5. Cannot connect to network For a wireless LAN Disconnect the LAN cable then turn the power back on. Is a LAN cable connected ? Do not connect a LAN cable when connecting to a wireless LAN. Set the channel of the wireless LAN to which you are attempt- Is the channel of the wireless LAN you are attempting to con- ing to connect so that it is not redundant with the channels of nect to independent from the channels of other wireless LANs?

  • Page 27: Block Diagram

    BLOCK DIAGRAM HEOS7(Lego version) Block Diagram Registers (selectable) I2C_DSP I2C_DSP NETWORK UNIT (Lego Module Ass'y) ANT1 ANT2 GPIO(RESET) TW(L) D_AMP I2S_OUT TAS5711PH (TI) NPCA110T TW(R) GPIO(WAKU UP) (NUVOTON) DEV ADD : 0xE6 Lego module MAXX_BASS MAXX_3D MAXX_TREBLE MAXX_EQ MAXX_VOLUME D_AMP MAXX_LEVELER TAS5711PH MAXX_DIALOG...

  • Page 28: Wiring Diagram

    WIRING DIAGRAM HEOS5/7 HS2 Wiring Diagram 1. Woofer_L- Woofer L 2. Woofer_L+ CN3 : 4pin con base 4P Terminal Wire 3. Woofer_R- Woofer R 4. Woofer_R+ 1. NC 2. Tweeter_L- Tweeter L 3. Tweeter_L+ CN2 : 5pin con base U701 : 80 pin B to B connector 5P Terminal Wire 3.

  • Page 29: Printed Circuit Boards

    PRINTED CIRCUIT BOARDS Lead-free Solder When soldering, use the Lead-free Solder (Sn-Ag-Cu). MAIN (A SIDE) MAIN (B SIDE) C218 C94 C93 TP38 C158 C217 R2 49 VCC_S W C104 TP72 R2 42 R2 40 R6 5 R2 38 TP42 C105 TP37 R7 1 R6 8...

  • Page 30: Schematic Diagrams (01/11)

    5V D D+M CONFID EN TIA L C701 5V D 2.2uF AIOS Lego C702 6.3V T P4 U701 2.2uF NE T WOR K _R PWM0 PWM1 NE T WOR K _G 6.3V NE T WOR K _B PWM2 V DD T P75 V DD V DD...

  • Page 31: Sch02-Audio Process

    R 31 DSP_I2S_D2 AUDIO PROCESS 3.3V D T P106 R 23 R 196 DSP_I2S_D1 T P108 R 24 DSP_I2S_D0 3.3V D 3.3V D R 192 R 215 5V D_SW R 25 AIOS_SCL K R 27 R 26 SCL 2 L 12 AIOS_L R CL K R 28 SDA2...

  • Page 32: Sch03-Ctia_Qmtp

    CTIA _OMTP 3.3V D R 604 T P112 B IAS_DE T E CT R 605 R 602 1.1K 1SS355 R 603 620R 1SS355 3.3V D T P19 PJ501 L 10 PJ3062A C243 T P21 600R @100MHz 0.1uF T P22 600R @100MHz V CC AUX _IN_R AUX _IN_R...

  • Page 33: Sch04-Mcu

    3.3V _E N R 118 SPI_IR Q R 200 R 119 nSS1 R 120 L MB T 3904L T 1G SPICL K 4.7K D+M CONFID EN TIA L R 128 SPIMOSI R 129 R 272 SPIMISO 3.3V D_MCU 4.7K (DNI) R 201 R 203 R 205...

  • Page 34: Sch05-Misc

    T P114 R 35 T P6 MISC D+M CONFID EN TIA L DSP_R E SE T DSP_R E SE T 1 CONNE CT R 39 DSP_R E SE T _MCU R 37 33R (DNI) T P115 0402 T P73 R 170 AMP_FAUL T AMP_FAUL T 1 0.01uF...

  • Page 35: Sch06-Power

    R 220 0R 0805 POWER 5V D T P24 5V D_SW AO3401A(DNI) R 104 D+M CONFID EN TIA L R 606 C181 0.1uF C182 C183 47K (DNI) 5V D 0.1uF V CC C185 R 301 L 24 T P13 L 25 0.1uF B OOT 400R 3A...

  • Page 36: Sch07-Tweeter Amp

    TWEETER AMPLIFIER R 64 R 65 100R 470R 4.7nF R 66 22.1K D+M CONFID EN TIA L 0.047uF 2200pF 330pF R 67 T P120 0.047uF V CC_SW 22uH 3.3nF R 68 470R 4.7nF 3.3V D 470uF L 44 0.1uF 0.68uF 330pF B AT 54S T P90...

  • Page 37: Sch08-Usb And Ethernet

    USB and ETH ERN ET D+M CONFID EN TIA L USB CHAR GE POR T CONT R OL L E R Short Circuit Current L imit: 2.275A L 29 T P31 5V D 120R @100MHz USB T Y PE -A V USB V B US 3.3V D...

  • Page 38: Sch09-Woofer Amp

    WOOFER AMPLIFIER R 85 R 86 C128 100R 470R D+M CONFID EN TIA L 4.7nF R 87 22.1K C129 C130 0.047uF 2200pF C131 330pF C133 R 88 C132 V CC_SW L 16 C135 0.047uF C134 3.3nF R 89 470R 4.7nF 22uH C137 C136...

  • Page 39: Sch10-S.woofer Amp And Hp Amp

    SUBWOOFER AMPLIFIER 3.3V D R 53 470R HEAD PHONE AMPLIFIER R 54 R 55 22.1K HEOS7HS2 Only 4.7nF 0.047uF 2200pF 330pF R 56 0.047uF V CC_SW 3.3nF R 57 470R 4.7nF 3.3V D AMP_FAUL T 1 0.1uF L 22 B AT 54S 0.1uF 4.7uF SUB _+...

  • Page 40: Sch11-Key Board And Hp Jack

    SW501 J502 GND1 VOL-_BUTTO N VOL+ VOL+_BUTTO N MUTE_B UTTO N MUTE_LED D502 5VD2 K FC-813A Blue GND1 SW502 GND1 0805 D509 1SS355(DNI) VOL- D503 D504 D505 BZX 84C3V6(DNI) K FC-813A BZX 84C3V6(DNI) GND1 GND1 BZX 84C3V6(DNI) SW503 GND1 K EY BOARD MUTE K FC-813A GND1...

  • Page 41: Exploded View

    EXPLODED VIEW Please see the last chapter for the part list. WARNING: Parts marked with this symbol z have critical characteristics. Use ONLY replacement parts recommended by the manufacturer.

  • Page 42: Sealing Gasket View Of An Air Leak Prevention

    SEALING GASKET VIEW OF AN AIR LEAK PREVENTION (1) Baffle - Housing (Rear) : outer (2) Main PWB (terminal) - Housing (Rear) (3) Baffle - Housing (Rear) : LENS area REF No. Part No. Part Name Remarks 978449100640D EVA Black T910400002130 978449101000S t1.0 EVA Sheet...

  • Page 43: Sheet View Of The Anti-Vibration

    SHEET VIEW OF THE ANTI-VIBRATION Ref.No72 HEOS 7 3M Double Side Tape Ref.No71 EVA set for HEOS7 W:mm D:mm T:mm Q’ty REF No. Part No. Part Name Remarks 978449101010S EVA set for HEOS7 T910400001750 978449101020S HEOS 7 3M Double Side Tape 3M 4930 T910400002200...

  • Page 44: Packing View

    PACKING VIEW Please refer to the last chapter for the part list. E3, E1C Only E3 Only E3 Only E3 Only E3,E2 Only E3,E2 Only E1C Only E1C Only WT Only...

  • Page 45: Semiconductors

    SEMICONDUCTORS Only major semiconductors are shown, general semiconductors etc. are omitted to list. RL78/G13 The semiconductor which described a detailed drawing in a schematic diagram are omitted to list. 1. 3. 8 44 1. IC's LQFP 10 10 R5F100FCAFP (U4) RL78/G13 1.
  • Page 46 NPCA110T (U1) TPA6138A2 SLOS704A – JANUARY 2011 – REVISED MAY 2011 www.ti.com These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates. TERMINAL ASSIGNMENT The TPA6138A2 is available in the TSSOP package: •...
  • Page 47 PCB ASS'Y ※Parts indicated by "nsp"on this table cannot be supplied. ※The parts listed below are only for maintenance. Therefore they might differ from the parts used in the unit in appearances or dimensions NOTE:The symbols in the column Remarks indicate the following destinations. E3 : U.S.A.
  • Page 48 EXPLODED EXPLODED ※Parts indicated by "nsp"on this table cannot be supplied. ※The parts listed below are only for maintenance. Therefore they might differ from the parts used in the unit in appearances or dimensions NOTE:The symbols in the column Remarks indicate the following destinations. E3 : U.S.A.
  • Page 49 PACKING PACKING ※Parts indicated by "nsp"on this table cannot be supplied. ※The parts listed below are only for maintenance. Therefore they might differ from the parts used in the unit in appearances or dimensions NOTE:The symbols in the column Remarks indicate the following destinations. E3 : U.S.A.

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