Video Block Diagram - Yamaha RX-V459 Service Manual

A B
RX-V459/DSP-AX459/HTR-5935
1
2
INPUT SELECTOR
DVD
74HC4051
15
DTV/CBL
14
12
DVR 1
5
V-AUX
C Y
DVD
15
14
12
3
DTV/CBL 1
5
DVR
15
14
12
1
5
RX-V459,
DSP-AX459,
HTR-5940 models
4
U, C, R, T, K, A, G, E, L models
Y
Pb/Cb
Pr/Cr
DVD
Y Cb Cr
L1/L2/L3
J model
U, C, R, T, K, A, G, E, L models
5
Y
Pb/Cb
Pr/Cr
DTV/
CBL
Y Cb Cr
L1/L2/L3
J model
U, C, R, T, K, A, G, E, L models
Y
Pb/Cb
6
Pr/Cr
DVR
Y Cb Cr
L1/L2/L3
J model
7
54
C D
• See page 73 →
CVBS
OPERATION
SCHEMATIC DIAGRAM
3 CVBS
IC402
Y
3 Y
IC403
C
3 C
IC404
• See page 72 →
FUNCTION
SCHEMATIC DIAGRAM
E F G

VIDEO BLOCK DIAGRAM

BYPASS
COMP0
COMP1
/CBYPASS
Input Selector
74HC4052
Y/ Cb/ Cr
IC287(Cb, Y)
BYPASS 2, 4, 5, 15, 14, 11
IN
IC288(Cr, L1)
IC289(L3, L2)
2, 4, 5, 15, 14, 11
L1/L2/L3
IN
H I
OUTPUT AMP
LA73050
IC401
CVBS
3 33
6dB
Y 8 29
6dB
C 6 31
6dB
CVBS 12 24
6dB
Y
17 20
6dB
C
15 22
6dB
U, C, R, T, K, A, G, E, L models
Y Cb Cr
J model
Y
6dB
Cb
6dB
3, 13
Cr
6dB
3, 13
IC290
L1/L2/L3
OUTPUT AMP
OUT
NJM2581
J
DVR OUT
C Y
RX-V459,
DSP-AX459,
HTR-5940
models
C Y
RX-V459,
DSP-AX459,
HTR-5940
models
MONITOR OUT
Y
Pb/Cb
Pr/Cr
L1/L2/L3