Bang & Olufsen Beoplay A9 3rd Generation Service Manual Download Page 15

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Fault flow chart 2.9

Yes

Fault symptom:

No sound or poor sound

Possible causes:

Defective PCB04, Power Supply
Defective 999module, Chassis
Defective Speaker units

C14V on
PCB04 CN3 pin 4

and -14V on

pin 6

OK?

Replace PCB04,

Power Supply

C14V on
PCB35 J400 pin 4

and -14V on

pin 6

OK?

C36V on
PCB04 CN2 pin 3

and pin 4

Replace defective

cable

Check connection

between PCB04

and PCB35

OK?

C36V on
PCB35 J401 pin 3

and pin 4

OK?

Replace defective

cable

Check connection

between PCB04

and PCB35

OK?

Replace

999module,

Chassis

Replace PCB04,

Power Supply

Is sound missing or

poor in all

speakers?

Perform test of

speaker units, see

page 2.6

Are speaker units

OK?

Replace defective

speaker unit

Replace defective

999module,

Chassis

Replace defective

cable

Check connection

between PCB35
and the speaker

units

OK?

Replace defective

999module,

Chassis

Replace defective

999module,

Chassis

Summary of Contents for Beoplay A9 3rd Generation

Page 1: ...BeoPlay A9 3rd generation Type 3034 3038 Service Manual version 1 0 English 70 1 70 1 90 8 41 1...

Page 2: ...vice 1 2 Service tips 2 1 Fault flow chart 2 5 Final check after repair 3 1 Replacement of modules 4 1 Specification guidelines for service use 5 1 Block diagram 6 1 Wiring diagram 6 3 Available parts...

Page 3: ...oofer PCB48 2 NTC Midrange Right PCB48 3 NTC Midrange Left PCB48 4 NTC Full Range Left PCB48 5 NTC Full Range Right PCB55 Touch Board PCB57 Button Board PCB82 1 Wireless Antenna PCB82 2 Wireless Bluet...

Page 4: ...nstration Before troubleshooting is initiated let the customer demonstrate the fault if possible Final check after repair The final check after repair describes the activities that are needed to ensur...

Page 5: ...ce Manual and use the ESD mat for both old and new modules When mains voltage on the product is required remove the connection between the product and the ESD mat This is important to avoid getting in...

Page 6: ...1 4...

Page 7: ...5 Speaker unit test 2 6 NTC module test 2 6 Mechanical cracking sound s 2 6 Fault flow chart No function 2 7 No operation of touch panel Works when operating via Bang Olufsen App 2 7 No light in Produ...

Page 8: ...duct status Product indicator Network Bluetooth indicator Network Standby Low Off mode Off Off Standby High Network Standby mode Off See Network and BT connectivity LED On Powering up Boot up duration...

Page 9: ...5min No change Blue Transition to dim BT Connectivity Product indicator Network Bluetooth indicator Bluetooth parring In progress Only when product turn off Always Open No change Blue Flash repeat Su...

Page 10: ...ack needs to align with sound prompt White Quick flash once Not required Received command from IR or App command White Quick flash once Not required Factory reset Before trouble shooting a faulty prod...

Page 11: ...terface or the Bang Olufsen App to upload the log file Approach ServiceTool Connect a service PC with ServiceTool to the same router as the Beosound A9 3rd gen is connected to Run ServiceTool Be sure...

Page 12: ...d by a defective speaker unit or a defective NTC module It is recommended to measure on the terminals on the NTC module The NTC module must be disconnected from the product The resistance of the NTC m...

Page 13: ...place 999module Chassis Replace cable between PCB04 and PCB35 Is it possible to connect to the product via ServiceTool Web interface or Bang Olufsen App Update to newest software See page 3 3 OK Make...

Page 14: ...and pins see page 2 12 Check connector and cable between PCB35 CN402 and PCB55 J900 OK Connect or replace defective cable Replace 999module Chassis Replace PCB55 Touch Board Fault symptom No adjustme...

Page 15: ...ctive cable Check connection between PCB04 and PCB35 OK Confirm 36V on PCB35 J401 pin 3 and pin 4 OK Replace defective cable Check connection between PCB04 and PCB35 OK Replace 999module Chassis Repla...

Page 16: ...odule Chassis Confirm that cable from PCB82 1 and PCB82 2 Wireless Bluetooth Antenna is connected to PCB01 Audio Streaming Engine OK Connect Wireless Bluetooth Antennas Check cables between Wireless B...

Page 17: ...ck after repair 3 1 Adjustments Information 3 2 Woofer Midrange Full Range or Tweeter 3 2 Software update 3 3 Final check after repair Insulation test 3 4 Software update 3 4 Check sound 3 4 Cleaning...

Page 18: ...pdated to the latest software version See page 3 3 If Woofer midrange full range or tweeter are replaced a speaker calibration must be performed Woofer Midrange Full Range or Tweeter Speaker calibrati...

Page 19: ...e update takes a while depending on the Internet connection Do not disconnect the product from the mains or the network while software is being updated Approach Connect a service PC with ServiceTool t...

Page 20: ...d contact During the test the current must not exceed 5 mA Slowly increase the voltage on the insulation tester until a voltage of 2 5 kV AC is obtained Maintain the voltage level for one second then...

Page 21: ...mantling This is done by disconnecting from the mains and then waiting 45 seconds before replacing any modules Warning Static electricity Static electricity may damage the product A static protective...

Page 22: ...4 2 Replacement of modules BeoPlay A9 in service position Disconnect all cables Pull off front cover Gently release cover use peeler 10x TX20 6x TX10 Remove screws Remove screws 13mm 12mm...

Page 23: ...modules 4 3 14x TX20 Remove screws 1x TX20 Remove screw and washer Support baffle while removing screw Gently lift off baffle 16mm 12mm 1x TX20 When reassembling mount screws in the following order Mo...

Page 24: ...4 4 Replacement of modules 6x TX10 Mount screws 13mm 10x TX20 Mount screws 12mm 6x TX20 Mount screws in the following order 16mm...

Page 25: ...Replacement of modules 4 5 8x TX20 Mount screws 16mm...

Page 26: ...ain Attention When disconnecting be careful not to damage the antenna plugs or wires Attention When reconnecting note correct placement of cables from PCB82 1 and PCB82 2 Disconnect cables 4 2 BeoPlay...

Page 27: ...tor in correct position on top of the PCB connector and press gently until it snaps in When connecting antenna wires be careful not to damage the antenna plug or wire Correct position 6x TX20 Support...

Page 28: ...4 8 Replacement of modules 4 2 BeoPlay A9 in service position Placement of PCB02 1 Connector Ethernet Replace PCB02 1 Connector Ethernet Remove screws 1x TX10 10mm Disconnect cable 48J101...

Page 29: ...Replacement of modules 4 9 Remove screws 3x TX10 10mm Disconnect cable 02 1J603...

Page 30: ...4 10 Replacement of modules Remove screws 4 2 BeoPlay A9 in service position Placement of PCB02 2 Connector Line In Replace PCB02 2 Connector Line In 1x TX10 10mm Disconnect cable 48J101...

Page 31: ...Replacement of modules 4 11 Remove screws 3x TX10 10mm Disconnect cable 02 2J402...

Page 32: ...cement of modules 4 2 BeoPlay A9 in service position Placement of PCB04 Power Supply Replace PCB04 Power Supply 6x TX20 Support PCB04 Power Supply while removing screws 16mm Disconnect cables 04CN1 04...

Page 33: ...Replacement of modules 4 13 4 2 BeoPlay A9 in service position Disconnect cable Replace PCB48 1 NTC Remove screw and replace PCB48 1 NTC 48J101 1x TX10 6mm...

Page 34: ...4 14 Replacement of modules 4 2 BeoPlay A9 in service position Remove screws Replace PCB48 2 NTC or PCB48 3 NTC 1x TX10 4x TX20 Disconnect cables Remove screw 48J101 12mm 8mm...

Page 35: ...Replace PCB55 Touch Board 4 2 BeoPlay A9 in service position Disconnect ground cable When reassembling remember to remount the cable Gently pull off aluminium profile Gently pull off sealing When rea...

Page 36: ...4 16 Replacement of modules Gently pull off support for PCB55 Touch Board Remove screws 5x TX20 12mm Disconnect cable 55P1...

Page 37: ...Replacement of modules 4 17 Gently remove PCB55 Touch Board Attention light guides and buttons When reassembling note placement of light guides and buttons...

Page 38: ...4 18 Replacement of modules Replace PCB57 Button Board 4 2 BeoPlay A9 in service position Placement of PCB57 Button Board Disconnect cable Remove screws 1x TX10 10mm 48J101...

Page 39: ...Replacement of modules 4 19 Remove screws 2x TX10 10mm...

Page 40: ...careful not to damage the antenna plug or wire Correct position Gently release PCB82 1 Wireless Antenna from bracket use peeler Attention cable When reassembling mount tape on PCB82 1 Wireless Antenna...

Page 41: ...re Correct position Gently release PCB82 2 Wireless Bluetooth Antenna from bracket use peeler Attention cable When reassembling mount tape on PCB82 2 Wireless Antenna Replace PCB82 2 Wireless Bluetoot...

Page 42: ...4 22 Replacement of modules 4 2 BeoPlay A9 in service position Remove screws Replace Tweeter 2x TX10 Disconnect cables 10mm...

Page 43: ...Replacement of modules 4 23 4 2 BeoPlay A9 in service position Remove screws Replace Midrange 4x TX20 Disconnect cables Remove screw and move PCB48 NTC to the new speaker 1x TX10 48P1 12mm 8mm...

Page 44: ...t of modules 4 2 BeoPlay A9 in service position 4 12 Remove PCB04 Power Supply Disconnect cable Replace Full range left Remove screws 4x TX10 10mm Remove screws Replace Full range with NTC and wire 4x...

Page 45: ...acement of modules 4 25 4 2 BeoPlay A9 in service position 4 6 Remove 999module Chassis Remove screws Replace Full range right 4x TX10 10mm Remove screws Replace Full range with NTC and wire 4x TX10 1...

Page 46: ...nt of modules 4 2 BeoPlay A9 in service position 4 6 Remove 999module Chassis Remove damping foam Replace Woofer Disconnect cables 48J101 Remove standoff in the middle of Woofer and move it to the new...

Page 47: ...Replacement of modules 4 27 Remove screws Gently remove Woofer 8x TX20 16mm...

Page 48: ...4 28 Replacement of modules...

Page 49: ...erbia Turkey Uzbekistan Kenya South Africa Tanzania Uganda Canada Taiwan United Arab Emirates USA US WiFi 1 3035 Mexico Argentina Philippines Thailand Uruguay Vietnam India Ireland Hong Kong Kuwait Si...

Page 50: ...5 2...

Page 51: ...tooth Indicator Configuration Standby PCB04 Power Supply PCB01 Audio Streaming Engine PCB35 Amplifier DSP PCB82 1 Wireless Bluetooth Antenna PCB82 2 Wireless Antenna PCB55 Touch Panel PCB57 Button boa...

Page 52: ...6 2 6 2 6 2...

Page 53: ...GND NPB_IN ASE_R ST PL_AC TI VE GOOGLE_TW D MCU_UP GR_RDY GND GPIO1_11 CON104 CN 406B 12 I2S_DATA_I 2 3V3_OUT 1B 2B 3B 5B 7B 10B 11B 13B 14B 15B 17B 18B 19B 20B 21B 22B 23B 24B 26B 27B 31B 32B 33B 34B...

Page 54: ...parts 7 1 Available parts BeoPlay A9 3rd generation 9 9 9 9 9 9 9 9004 9005 5 5 5 5 5 5 5 5 5 5 5 5 6 6 6 4 4 4 4 4 4 4 4 4 4 4 4 4 4 8 7 9003 See Cabinet 9 9 9 9 9 9 9 9 9 9 9 9 9 9002 9002 9001 5 5...

Page 55: ...e 9012 3322561 Cover with tesa 9013 8009072 Cover 9014 3340750 Gasket 9015 3114900 Baffle 9016 3332180 Acoustic foam Screws etc 4 2052125 Screw 4 x 16mm 5 2019021 Screw 4 x 12mm 6 2013137 Screw 3 x 10...

Page 56: ...ember also to order pos no 9006 Set of sealings 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 48 4 48 5 15 15 15 15 19 19 19 19 19 19 19 19 19 19 19 19 19 19 19 19 19 19 19 19 04 9011 9020 9 9 9 9 9...

Page 57: ...42 PCB02 1 Connector Ethernet 02 2Module8009240 PCB02 2 Connector Line In 04Module 8009106 PCB04 Power Supply 48 1Module 8009105 PCB48 1 NTC 48 2Module 8009105 PCB48 2 NTC 48 3Module 8009105 PCB48 3 N...

Page 58: ...7 5 7 5 7 5...

Page 59: ......

Page 60: ...Bang Olufsen DK 7600 Struer Denmark 3538275 19 05...

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