Block Diagrams; System Block Diagram - LG FA162 Service Manual

BLOCK DIAGRAMS

1. SYSTEM BLOCK DIAGRAM

3-wire
3.3V
TUNER L/R
AUX L/R
AUX
(Front)
ADC_DATA
Interface
I2C
3.3/5V
I2C,RESET
DAC_MCLK / BCK
/ LRCK
CD_ADC_BCK ,
CD_ADC_LRCK,
CD_ADC_DATA
74AHC244
SWITCH
3.3V
3.3V/ 1.8V
5V
Interface
3.3V
3.3V
I2C
12MHz
32.768kHz
3.3/1.2V
12 MHz
D+, D-
3.3V 3.3V
3-31 3-32
TOUCH
I2C
FRONT
SPI
USB
I2C
PVDD(26V)/GVDD(12V)
3.3V
PWM
TAS5612LA
TAS5548
CTL
3.3V
IR
AUX
LPF