Bang & Olufsen Beoplay A9 3rd Generation User manual

BeoPlay A9 3rd generation
Type 3034 – 3038
Service Manual - version 1.0
English
70.1
70.1
90.8
41.1 21.3

CONTENTS
Survey of modules ................................................................... 1.1
How to service ......................................................................... 1.2
Service tips ............................................................................... 2.1
Fault ow chart ........................................................................ 2.5
Final check after repair ............................................................. 3.1
Replacement of modules .......................................................... 4.1
Specication guidelines for service use ..................................... 5.1
Block diagram .......................................................................... 6.1
Wiring diagram ........................................................................ 6.3
Available parts ......................................................................... 7.1
Change log:
Ver. 1.0 ................................................................. Original release

Survey of modules 1.1
BeoPlay A9 3rd generation
PCB02.1 Connector - Ethernet
PCB02.2 Connector - Line In
PCB04 Power Supply
PCB48.1 NTC - Woofer
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 - Bluetooth Antenna
999Module Chassis incl PCB01, ASE and PCB35,
 Amplier-DSP
04
02.2
57
01
35
82.2
82.1
48.1
02.1
999
55
48.348.2
48.448.5

1.2 How to service
How to service
Strategy
For informations about how to service and list of recommended assisting tools for
service, refer to the specic Service Prole for this product on BeoWise.
Preparations before service
Fault explanation and demonstration
Before troubleshooting is initiated, let the customer demonstrate the fault, if
possible.
Final check after repair
The nal check after repair describes the activities that are needed to ensure the
product will be returned in perfect condition to the customer.
Please refer to ‘Final check after repair’ section on page 3.2
FAQ
For more information about operating the product, see the Frequently Asked
Questions (FAQ) section on www.bang-olufsen.com.

How to service 1.3
Warnings when handling
Static electricity
Static electricity may damage the product.
Static-protectiveeldservicekit
A static-protective eld service kit must always be used when the product is
disassembled or modules are being handled, since the internal electronics are very
sensitive to static electricity.
Follow the instructions in the Service 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 injured by mains
voltage.
STATIC ELECTRICITY
MAY DESTROY THE
PRODUCT
ESD
ESD-Mat
Waste of Electrical and Electronic Equipment (WEEE)
Electrical and electronic equipment, parts and batteries marked with this symbol
must not be disposed of with normal household wastage; all electrical and
electronic equipment, parts and batteries must be collected and disposed of
separately.

1.4

Repair tips - Fault ow chart 2.1
Repair tips
LED indications ................................................................................. 2.2
Factory reset ..................................................................................... 2.4
Check for newest software ............................................................... 2.4
System info - Service counters ........................................................... 2.5
Log le ............................................................................................. 2.5
Speaker unit test ............................................................................... 2.6
NTC module test ............................................................................... 2.6
Mechanical cracking sound(s) ........................................................... 2.6
Fault ow chart
No function ...................................................................................... 2.7
No operation of touch panel
(Works when operating via Bang & Olufsen App) .............................. 2.7
No light in Product indicator or
No light in Network/Bluetooth Indicator ............................................ 2.8
No adjustment of volume ................................................................. 2.8
No sound or poor sound ................................................................... 2.9
WiFi and/or Bluetooth are not working ........................................... 2.10

2.2 Repair tips
Repair tips
LED indications
The LEDs indicates the state of the product by changing colour (white/orange/red/
blue), ashing or solid. If errors occur during operation, the product will enter an
error state and give LED indications as described in the following.
Product 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)
White (pulse) White (pulse)
On – Product On (for
rst 5min)
White (Solid) See Network and BT connectivity LED
On – Product On
(idle after 5min)
(White)Transition to dim Transition to dim
Entering Standby –
Low
Transition to off Transition to off
Network/Bluetooth indicator Product indicator

Fault ow chart 2.3
Network Connectivity
Product indicator Network/Bluetooth indicator
Ethernet
First 5min No change White (Solid)
idle after 5min No change Transition to dim
Wi-Fi setup/connecting
Setup (WAC Open) In progress No Change Amber (Pulse, repeat)
Reconnect In progress No Change Amber (Flash, repeat)
Wi-Fi Connection status (X>25%)
In general (for 5min) No change White (Solid)
In general (idle after 5min) No change White (Transition to dim)
Wi-Fi Connection status (Signal strength: 25
≥ X ≥ 10 %)
In general (for 5min) No change Amber (Solid)
In general (idle after 5min) No change Amber (Transition to dim)
Wi-Fi Connection status (X<10%)
In general (for 5min) No change Amber (Solid)
In general (idle after 5min) No change Amber (Transition to dim)
Wi-Fi Not congured or Wi-Fi Error
In general (for 5min) No change Blue (Solid)
In general (idle after 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)
Successfully No change Blue (Transition, 5sec)
Fail (Apply for Cancel via webpage and
manually trigger timeout)
Red (Transition, 5sec)
BLE pairing
In progress (only when Pairing is manually
triggered)
No Change Blue (Flash, repeat)
Successfully No Change Blue (Transition, 5sec)
Fail (Apply for Cancel via webpage and
manually trigger timeout)
Not required Red (Transition, 5sec)
Audio source
Product indicator Network/Bluetooth indicator
Bluetooth active source
For rst 5min No change Blue – on
Pause BT source No change Blue
Change to other source) No Change Change from Blue to Network
status
Disconnect BT No Change Change from Blue to Network
status
Idle after 5min No Change Blue – dim
Non-BT active source No Change Blue (Transition, 5sec)
Disconnect BT No change No change
Switch to BT source No change Change from Network status to
Blue

2.4 Fault ow chart
< >
< >
Other status
Product indicator Network/Bluetooth indicator
Software Updating Red (Pulse, repeat) Red (Pulse, repeat)
Product/Critical FW Error Red (Quick ash,
repeat)
Transition to off
Hardware Overheated Amber (Pulse, repeat) Not required
Factory Reset (reset afterward) Red (Transition, 5sec) Red (Transition, 5sec)
Short Press/ Single rotate/ Change track/ Slide White (Quick ash,
once)
Not required
Continuous Rotate (Stop indication when
Max/Min volume reached*) (for Volume only)
White (Quick ash,
until release)
Not required
Long Press/ Very Long Press (a ash at the X
duration after pressed to indicate nger can
be released now)
Note: light feedback needs to align with
sound prompt.
White (Quick ash,
once)
Not required
Received command from IR or App command White (Quick ash,
once)
Not required
Factory reset
Before trouble-shooting a faulty product, it may be useful to perform a factory
reset.
You can reset the Beosound A9 3rd gen. by using the Bang & Olufsen App. Open
the App, enter the ‘SETTINGS’ menu and select ‘RESET’, then conrm the reset
to factory settings.
The Beosound A9 3rd gen. can also be reset to factory settings by pressing and
hold the conguration button for 8 seconds. When the Product indicator and the
Network/Bluetooth indicator ash red once, the Beosound A9 3rd gen. will reset.
Check for newest software
Always ensure to have the newest software version installed. Software can be
updated via ServiceTool, The Internet or the Bang & Olufsen App. How to update
software, see page 3.3.