LG MCV903 Service Manual page 77

3. AUDIO PATH
MCK
BCK
LRCK
DATA
IC807 PIN38,39,40,41
4. TUNER
CE
CLK
DI
DO
TUNER SPI
TUN800 PIN5,7,8,9
6. ADC
MCK
BCK
LRCK
DATA
IC805 PIN11,12,10,9
LGE Internal Use Only
DAC_ I2S
ADC I2S
AUDIO_L
AUDIO_R
5. USB
USB_5V
D+
D-
CN803 PIN2,3,4
4-4 Copyright © 2008 LG Electronics. Inc. All right reserved.
AUDIO_ L/ R
USB D+/ D-
Only for training and service purposes