LG KM710 Service Manual - Page 36
System Connector
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3. HW Circuit Description 3.5.8 System Connector Pin No NET Name 1 FM_ANT 2 HSMICIP 3 JACK_TYPE 4 HSOUTL 5 HSOUTR 6 PORT1 7 PORT2 8 JACK_DETECT 9 VBAT 10 11 PWON 12 VCHG_IN 13 14 UART3_DSR 15 VBUS_IN 16 UART2_TX 17 UART2_RX 18 GND I/ O Comme nt I FM signal antenna I Headset Mic signal I Jack type deteect I Headset receiver Left I Headset receiver Right I Multiport : UART, USB 2.0 , Remmoc on Interrupt I Multiport : UART, USB 2.0, Remmocon ADC valu I Jack detect signal Battery power O External Power On - Charger pow er input - Test UART port DSR - USB power In - Test UART port Transmiter - Test UART port Receiver - Ground Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 37 - LGE Internal Use Only