Acer TravelMate 6492 Service Guide - Page 129

Connector Pin Definitions CN4 LCD I/F Connector (40-PIN) PIN No. Signal name I/O PIN No. Signal name I/O 1 +V5S - 21 LVDS_TXDL2+ O 2 INV_PWM_3 O 22 GND - 3 +V5S - 23 LVDS_TXDL2- O 4 GND O 24 LVDS_TXDL1+ O 5 BKLTEN O 25 GND - 6 LVDS_TXCU+ O 26 LVDS_TXDL1- O 7 GND - 27 LVDS_TXDL0+ O 8 LVDS_TXCU- O 28 GND - 9 LVDS_TXDU2+ O 29 LVDS_TXDL0- O 10 GND - 30 LCM_DDCPDATA O 11 LVDS_TXDU2- O 31 GND - 12 LVDS_TXDU1+ O 32 NC - 13 GND - 33 LCM_DDCPCLK O 14 LVDS_TXDU1- O 34 +V3S_DSC - 15 LVDS_TXDU0+ O 35 GND - 16 GND - 36 +V3S O 17 LVDS_TXDU0- O 37 USB_PN6 O 18 LVDS_TXCL+ O 38 +V3S_LCM O 19 GND - 39 USB_PP6 O 20 LVDS_TXCL- O 40 +V3S_LCM O CN20 Touch PAD I/F Connector (12-PIN) PIN No. Signal name I/O PIN No. Signal name I/O 1 +5S - 7 GND - 2 +5S - 8 GND - 3 IM_CLOCK O9 USB_P5+ I/O 4 IM_DATA O 10 USB_P5- I/O 5 IM_CLOCK1 O 11 NC - 6 IM_DATA1 O 12 +V3S - CN12 Keyboard I/F Connector (25-PIN) PIN No. Signal name I/O PIN No. Signal name I/O 1 SCAN_IN(0) O 14 SCAN_IN(4) O 2 SCAN_IN(1) O 15 SCAN_OUT(9) O 3 SCAN_IN(2) O 16 SCAN_IN(5) O 4 SCAN_OUT(0) O 17 SCAN_IN(6) O 5 SCAN_OUT(1) O 18 SCAN_OUT(10) O 6 SCAN_OUT(2) O 19 SCAN_OUT(11) O 7 SCAN_IN(3) O 20 SCAN_IN(7) O 8 SCAN_OUT(3) O 21 SCAN_OUT(12) O 9 SCAN_OUT(4) O 22 SCAN_OUT(12) O 10 SCAN_OUT(5) O 23 XSCAN_OUT(14) O Chapter 5 119