Appendices Apx. C Pin Assignments
Qosmio F40/F45 Maintenance Manual C-3
Appendix C
Appendix C Pin Assignments
System Board
C.1 CN1 LCM / FL Inverter Connector (40-Pin)
Table C-1 LCM / FL Inverter Connector Pin Assignments (40-Pin)
Pin No. Signal Name I/O Pin No. Signal Name I/O
1 DGND - 2 N$811968 -
3 DGND - 4 N$811968 -
5 DGND - 6 +V3S O
7 LVDS_TXDL0-_I O 8 LVDS_TXDL1-_I O
9 LVDS_TXDL0+_I O 10 LVDS_TXDL1+_I O
11 LVDS_TXDL2-_I O 12 LVDS_TXCL-_I O
13 LVDS_TXDL2+_I O 14 LVDS_TXCL+_I O
15 DGND - 16 DGND -
17 LVDS_TXDU0-_I O 18 LVDS_TXDU1-_I O
19 LVDS_TXDU0+_I O 20 LVDS_TXDU1+_I O
21 LVDS_TXDU2-_I O 22 LVDS_TXCU-_I O
23 LVDS_TXDU2+_I O 24 LVDS_TXCU+_I O
25 DGND - 26 DGND -
27 LCM_DDCPCLK_I I/O 28 LCM_DDCPDATA_I I/O
29 N$813641 - 30 N$813641 -
31 N$813641 - 32 N$813641 -
33 N$813641 - 34 N$813641 -
35 INV_PWM_3 O 36 N$1181584 -
37 DGND - 38 DGND -
39 DGND - 40 DGND -
C.2 CN2 Speaker Sub-Woofer Connector (4-Pin)
Table C-2 Speaker Sub-Woofer Connector Pin Assignments (4-Pin)
Pin No. Signal Name I/O Pin No. Signal Name I/O
1 SPK_SUB- O 2 SPK_SUB+ O
3 DGND - 4 DGND -
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