Bang & Olufsen BeoLab 17, Service Manual

Page: 29 / 72

Replacement of modules 4.1
Replacement of modules
Remove cover ................................................................................... 4.2
BeoLab 17 in service position 1 ......................................................... 4.3
BeoLab 17 in service position 2 ......................................................... 4.8
Modules
Replace PCB02, Connector ............................................................. 4.10
Replace PCB04, Power Supply ......................................................... 4.13
Replace PCB30, Digital Sound Engine ............................................. 4.14
Replace PCB35, Amplifier ............................................................... 4.16
Replace PCB47, LED Indicator ......................................................... 4.17
Replace PCB48, NTC ....................................................................... 4.18
Replace PCB89, Wireless Power Link Rx .......................................... 4.19
Antennas
Replace 82.1, Wireless Antenna ...................................................... 4.20
Replace 82.2, Wireless Antenna ...................................................... 4.21
Replace 82.3, Wireless Antenna ...................................................... 4.22
Replace 82.4, Wireless Antenna ...................................................... 4.23
Wireless Antennas (disconnect and connect) ................................... 4.24
Speaker units
Replace tweeter .............................................................................. 4.25
Replace woofer ............................................................................... 4.26
Notification
Warning – Static electricity
Static electricity may damage the product.
A static-protective field service kit must always be used when the product is
disassembled or modules are being handled.
Notice!
All modules must be placed on the ESD-mat or in an ESD-proof bag.
After replacement of modules
- When BeoLab 17 has been disassembled, all affected sealings must be visually
checked and replaced, if damaged.
- Calibration of speaker driver is necessary when a speaker unit is replaced. Refer to
adjustment page 3.5.
- Back up product data from the old PCB30, Digital Sound Engine and restore it to
the new module after replacement. Refer to adjustment page 3.3.
- After replacement of PCB30, Digital Sound Engine the new module must be
updated to the latest software version. Refer to page 3.6.
- After replacement of PCB89, Wireless Power Link Rx the speaker must be set up in
the wireless system correctly. Refer to adjustments page 3.4 - 3.5.
- Always perform a ‘Final check after repair’ after the product has been dismantled.
Refer to final check after repair page 3.7.
ESD
ESD-Mat