Bang & Olufsen BeoLab 18 Service Manual page 29

Replacement of modules
Modules
Antennas
Speaker units
Notification
Warning - Static electricity
ESD
ESD-Mat
After replacement of modules
BeoLab 18 in service position 1 ......................................................... 4.2
BeoLab 18 in service position 2 ......................................................... 4.4
BeoLab 18 in service position 3 ......................................................... 4.6
Replace PCB2.1, Digital Connector ................................................... 4.7
Replace PCB2.2, Analogue Connector .............................................. 4.8
Replace PCB04, Power Supply ........................................................... 4.9
Replace PCB30, Digital Sound Engine ............................................. 4.10
Replace PCB35, Amplifier ............................................................... 4.12
Replace PCB47, LED Indicator ......................................................... 4.13
Replace PCB48, NTC Woofer .......................................................... 4.14
Replace PCB48, NTC Tweeter .......................................................... 4.15
Replace PCB89, Wireless Power Link Rx .......................................... 4.16
Replace 82.1, 82.2, 82.3 Wireless Antennas ................................... 4.17
Replace 82.4, Wireless Antenna ...................................................... 4.18
Wireless Antennas (disconnect and connect) ................................... 4.19
Replace Tweeter .............................................................................. 4.20
Replace Woofers ............................................................................. 4.21
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.
- When BeoLab 18 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.
Replacement of modules Replacement of modules 4.1 4.1