In/Out Block Diagram - LG RH4820W Service Manual

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2. In/Out Block Diagram

I/O BOARD
I2C
TUNER
TU_V_OUT
SDA5650
MM1510
VPS
6dB Buffer
TU A OUT
MSP3417
MM1443
AUDIO
TU _A_L/R
Processor
AV SWITCH
Built in 6dB
SCART 2
SCART 1
I/O JACK
I/O U-COM
DAV
C_SYNC_IN
A1 L/R IN
MM1109
Sync
AUDIO SEL 1,2
NJM2521
Seperator
AUDIO
SWICH
0dB
Buffer
SW_V_OUT
SW_A_OUT` L/R
A_OUT_L/R
CS5340
AUDIO
ADC
CS4392
AUDIO
DAC
CVBS OUT
SW801
MM1623
G(Y) OUT
VIDEO
B(Pb) OUT
Buffer
R(Pb) OUT
HIGH:G/B/R
LOW:Y/Pb/Pr
3-17
3-18
FRONT JACK
FRONT JACK
A2 L/R IN
V2 IN
Y/C IN
V1 IN
Audio_Sel_1
H
H
L
Audio_Sel_2
L
H
L
Audio_Out
A1 SW A2
SAA7115
Video
Decoder
(ADC)
VI-D0/D7
AI_DO
ADC_MCLK
AI_FSYNC
DMM8650
AI_SCLK
MPEG
I2C
ENC/DEC
2
AO_DO
DAC_MCLK
AO_FSYNC
AO_SCLK
V0_D0/D15
CVBS
Y
ADV7302
C
G (Y)
Video
B (Pb)
Encoder
R (Pr)
(DAC)
AO_IEC958
74HCT04
INVERTER
MAIN BOARD

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