18Pin Multi Media Interface Connector; Only For Training And Service Purposes - LG KC780 Service Manual

3.18. 18pin Multi Media Interface connector

Table 9 Multi media interface pin assign
KC780 MMI
Pin Function
1 FM_ANT
2 HS_MIC
3 TV_OUT
4 HSO_L
5 HSO_R
6 USB_DP/ REMOTE_INT
7 USB_DM/ REMOTE_ADC
8 JACK_DETECT
9 VBAT
10 VBAT
11 RPWRON
12 VCHG
13 VCHG
14 DSR
15 VBUS_USB
16 UART_TX
17 UART_RX
18 GND
Copyright © 2008 LG Electronics. Inc. All right reserved.

Only for training and service purposes

Description
FM radio antenna / Audio ground
Headset microphone signal
TV_OUT signal
Headset left sound
Headset right sound
USB+/ Remote control interrupt
USB-/ Remote control Key ADC
Headset detect (active low)
Battery voltage
Battery voltage
Remote power on (active high. 2.0~V)
Charger voltage
Charger voltage
DSR
USB VBUS
Trace TX data(Debug)
Trace RX data(Debug)
Power GND
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3. TECHNICAL BRIEF
LGE Internal Use Only