Audio Block Diagram; Front Board - LG LNC1200EEFS Service Manual

AUDIO BLOCK DIAGRAM

24 PIN CONNECTOR
Rx+/-, Tx+/-
RS422
TRANSMITER
MAX3077
MIC
CPU_I2C
DVD_SPDIF
DMB_I2S
MEDIA_I2S
CD I2S _
XM_I2S
NAVI+/-
42 PIN CONNECTOR
MM_CAN BODY_CAN
TJA1055 TJA1055
MICOM LDO
BD3875, 5 V
MICOM RESET
BD5230
B+ 6 V DET
AUDIO MICOM
6 V Det
BD5230
ILL_Det
uPD78F3376A
Reverse
DR SENSOR DR SENSOR

FRONT BOARD

MM_CAN_H/L
ACC
LOGIC LEAF_DICE
COMPA COMPA-
RATOR
MIC MUTE
SWITCH IC
MIC_MUTE
ECHO
CANCELLER CANCELLER
FM1188
RDS1, RDS2, ADSP_IOF11
DSP_RESET,
SWITCH
S/W CTR
IC IC
BUSY, SYNC_REQ, RESETB
ERROR
SPI SPI
I2C I2C
ADC EEPROM
MCP3221 24LC256
XV-8000LK
7-1 7-2
RADIO
INTERNAL AMP
ANT
LEAF_DICE
OPAMP
TEF7000 TEF7000
S4580
AM AM FM FM
RADIO & AUDIO
BT_SPDIF DSP DSP
SAF7741
I2C
SPDIF
SPDIF SPDIF
TRANCEIVER TRANSMITER
CS8427 MAX3293
I2C
WELCOME SERIAL FLASH
BU6929FV MX25L4005
NAVI+/-
SPDIF+/-