Sony VAIO SVS131 Series Service Manual page 23

4-3 How to distinguish vendor of WLAN Antenna
SVS131 Series have two kinds of WLAN ANTENNA (Ref.No.1011 and 1012).
When replacing either, The Main and Aux Antenna must use same vendor's parts. When replacing either The Main and Aux Antenna must use same vendor's parts
Part's vendor can be distinguished by shape of red boxed area. Wide shape one is ACON's
NWING
A-1881-575-A A-1881-575-A
ANTENNA MAIN
A-1881-576-A
ANTENNA AUX
s, the other is NWING's.
A CON
A 188 A-188 81-573-A 81 573 A
ANTEN NNA MAIN
A-188 81-574-A
ANTE NNA AUX
4- -3
(EN ND)
[Sony Confidential]
SVS131 Series (9-890-952-XX)