Toshiba Satellite U400 Maintenance Manual page 231

Board Layout
<Back layout>
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Satellite U400/Satellite Pro U400/PORTEGE M800 Maintenance Manual
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Figure B-4-2 Touch pad board layout (Back)
Table B-4-2 Touch pad board connectors (Back)
Location Function
CN1 Touch Pad board to M/B connector for Module use
CN3 Touch Pad board to Touch Pad Module connector
Touch Pad board to M/B connector for Fingerprint
CN2
board use
B-9