I/O Block Diagram ( Rca Model Only ) - LG RH1777 Service Manual

7. I/O BLOCK DIAGRAM ( RCA MODEL ONLY )

S/W
BLOCK
SMPS
BLOCK
POWER_CTL_H
TIMER_H
STANBY_H
SW_FD(+)
IC703
SW_5.3VA
CV.IN2
MM1510
6dB Buffer
SW_12VG
TU_V_OUT
TUNER
PAL
(M's :NTSC)
FD(+)
SIF
FD(-)
FRONT.AV IN
-29VA
F_A_L/R_IN
12V
F_CVBS_IN
5.3VA
S-VIDEO IN
IC901
F_Y_IN
5.2V
SAA7137D
F_C_IN
33VT
AV DECODER
REAR.A V IN
R_CVBS_IN
5VT
1.8V R_A_L/R_IN
3.3V
DV IN
2.5V
TPA+
5.0VD
BIO_LREQ
TPA-
BIO_PHY_CTL0
TPB+
BIO_PHY_CTL1
1.25V TPB-
BIO_LINK_ON
BIO_PHY_CLK
IC401 BIO_L PS
TSB41AB1
BIO_PHY_D[7:0]
/RST_PHY
1394_PD MAIN BOARD
3-27
IC705
I2C I/O
IC101 24LC16B
EEPROM
MN101DF10GAF
MICOM
A_MUTE_L
Z_MUTE_L/R AUDIO Mute
Blo ck
SW_A_OUT_L/R
IC801
DAC_A_L/R_OUT
NJM4580
IC808
CS4351
DAC
CVBS_OUT
IC802
R_OUT
BH7868FS
G_OUT
VIDEO
B_OUT
Buffer
Y_OUT
C_OUT
IC101
DMN8653
ENC/DEC
SPDIF_OUT
3-28
A_OUT_L/R
RCA_V_OUT
R(Pr)_OUT Pr_RCA_OUT
G(Py)_OUT Y_RCA_OUT
B(Pb)_OUT Pb_RCA_OUT
C_SEPA_OUT
Y_SEPA_OUT S-VIDEO OUT
OPTICAL
COAXIAL