Toshiba Satellite U400 Maintenance Manual page 227

Board Layout
B.2
(01)
(02)
(03)
(04)
(05)
(06)
(07)
Satellite U400/Satellite Pro U400/PORTEGE M800 Maintenance Manual
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Function Button board
Figure B-2-1-1 Function Button board layout Mainstresam (Front)
Figure B-2-1-2 Function Button board layout Mainstream (Back)
Table B-2-1 Function Button board connectors
Location Function
SW1 Music Silence Button
SW2 Media Player Button
SW3 Music Play / Pause Button
SW4 Music Stop Button
SW5 Music Backward
SW6 Music Forward
J1 MMB board (Mainstream) to M/B connector
<Front layout>
<Back layout>
B-5