Video Section Block Diagram - Yamaha RX-V661 Service Manual

A B
1
• See page 100 →
VIDEO
SCHEMATIC DIAGRAM
DVD
2
DTV/CBL
VCR IN
DVR IN
OPERATION
• See page 98 →
V-AUX
SCHEMATIC DIAGRAM
• See page 93-95 → SCHEMATIC DIAGRAM
13
DSP DOCK (iPod)
DVD
DTV/CBL
3 C Y
VCR IN
DVD
DVR IN
V-AUX
DOCK (iPod)
DTV/CBL
DVD
DTV/CBL
VCR IN
VCR IN
DVR IN
V-AUX
DVR IN
DOCK (iPod)
4
OPERATION
V-AUX
• See page 98 →
SCHEMATIC DIAGRAM
DSP
DOCK (iPod)
• See page 93-95 →
11 12
SCHEMATIC DIAGRAM
• See page 96, 97 → SCHEMATIC DIAGRAM
Y
FUNCTION
Pb/Cb
Pr/Cr
5
L1/L2/L3
Y Cb Cr
Y
Pb/Cb
Pr/Cr
6
L1/L2/L3
Y Cb Cr
Y
Pb/Cb
Pr/Cr
L1/L2/L3
Y Cb Cr
7
J model
C D

VIDEO SECTION BLOCK DIAGRAM

Input Selector
74HC4051 x 3
IC301
CVBS
15
9-11
14
SDTN
IC305
2
SCKN
3 CVBS
OSD
12
/OSDCE
5 LC74782
1
Q3003
4
IC302
15
Y
14
Q3002
2
12 3 Y
5
1
IC310
4 1
S-Detector
74HCU04
IC303
15
C
Q3001
14
2
3 C
12
5
1 9-11
4 VIA
VIB
VIC
VIDEO/S-VIDEO Input Selector
(4051)
INPUT VIA VIB VIC
MUTE L L L
DTV/CBL H L L
DVD L H L
DVR H H L
V-AUX L L H
DOCK (iPod) H L H
VCR L H H
MUTE H H H
Component Input Selector
(4052)
INPUT CMP0 CMP1
MUTE L L
DVD H L
DVR L H
DTV/CBL H H
E F
REC_OUT
BYPASS
Q3004
13
-6dB
IC311
AIN3 46
AIN1 35
-6dB
A/D
Decoder
21
ADV7180
AIN2 36
AIN5 48
-6dB
22
8
28.6MHz
SVDET
4 8
28 CVBS
25 Y
24 C
A/D
35 Y 3
Encoder
33 C 6
B
ADV7172
29 C 8
R
IC312
LA73050(2)
CMP0
CMP1
9,10
IC296
Input
Selector
Component-
74HC4052 3 1 8
1,2,4,5 Detector
74HCU04
IC292
Y/Cb/Cr
IN
BYPASS
L1/L2/L3
G H
Output Amp.
LA73050(1)
6
15
6dB
3
12
6dB
8
17
6dB
Bypass Switch Output Amp.
74HC4053 LA73050(1)
IC304
5
4 CVBS 15
6dB
3
9
2
15 Y 12
6dB
1
10
12
14 C 17
13 6dB
11
Y,Cb,Cr
6dB
IC309
CPNTD
CONVERSION
IC295
CMP0
CMP1
Y 1 13
CBYPASS
6dB
Input
Selector
74HC4052x3
Cb 3 11
6dB
IC291
IC293
IC294
Cr 5 9
6dB
L1/L2/L3
7
IN OUT
Output Amp.
NJM2581
I J
RX-V661/HTR-6060/DSP-AX761
IC308
31
VCR OUT
2
DVR OUT
33
24
VIDEO/
C Y S-VIDEO
VCR OUT
29
C Y
20
DVR OUT
16 7
IC309
22
VIDEO
MONITOR
24
OUT
C Y
S-VIDEO
20
16
Y
COMPONENT
Pb/Cb
VIDEO
Pr/Cr
L1/L2/L3 D4 VIDEO
Y Cb Cr
J model
73