22
VSX-918V-K
1
2
3
4
A
B
C
D
E
F
1
2
3
4
4.4 BLOCK DIAGRAM (VSX-818V)
S
W
C
N
307
C
N
2
C
N
109
C
N
105
SL/SR
HDMI
I
N
1
HDMI
I
N
2
HDMI
OUT
C
OPT2
OPT1
SERIAL ROM
IC101
CXB1444R
(HDMI S
W
)
IC102
TC7MB3253FK
(DDC S
W
)
C
N
1001
Main uCom
PDC172A
8
1M
A
W
X9163 : /KU
A
W
X9164 : /MY
A
W
X
8
979 : (Others)
COAX1
USB A-TYPE
TELECHIPS
USB
AK4114
V
Q
74
V
HC157
(DIR)
CD-R OUT
V
CR/D
V
R OUT
(ADC)
(for DECODE)
LPF
DSP IC
DSPC56371AF1
8
0
IC104
(S
W
)
N
JM4565
(C)
IC103
IC104
(SL/SR)
(DAC)
(CODEC)
AK4626A
V
Q
IC105
(FL/FR)
FRO
N
T AUDIO I
N
V
IDEO(Front)
D
V
D/LD
CD-R/TAPE
T
V
/SAT
L/R
L/R
L/R
L/R
AUX
CD
V
CR/D
V
R
L/R
L/R
L/R
MODULE
TU
N
ER
L/R
R
MIC
L
L/R
(For Setup)
BLOCK DIAGRAM FOR
V
SX-
8
1
8V
LIP SY
N
C
ML
8
7
V
5002
Cr
(DRI
V
ER)
N
JM25
8
1M
6dB
IC553
OUT
COMPO
N
E
N
T
Y
Cb
TC74HC4052AF
6dB
6dB
COMPO
N
E
N
T3
Cb
Cr
Y
Cr3
Cr2
Cr1
Cr
Cb
Cb2
Cb1
Cb3
Y
COMPO
N
E
N
T2
Cr
Cb
TC74HC4052AF
Y2
IC552
(COMPO SEL)
Cb
Cr
Y
COMPO
N
E
N
T1
Y3
Y1
Y
IC551
(COMPO SEL)
C
N
5
C
N
1903
B
DSP & USB ASSY
W
HDMI ASSY
A
MAIN ASSY
E
COMPONENT
VIDEO ASSY
F
5.1CH
INPUT ASSY
M
DIGITAL
INPUT ASSY