Block Diagrams - Yamaha RX-V461 Service Manual

A B
Q Q
3 7 6 3 1 5 1 5 0
1
I BLOCK DIAGRAMS
• See page 77, 78 →
VIDEO
SCHEMATIC DIAGRAM
INPUT SELECTOR
15 74HC4051 11 VIA
DVD
10 VIB
14
9 VIC
12
DTV/CBL
3
2
1
DVR IN 5
2,4,13
OPERATION
V-AUX
IC322
• See page 73, 74→
SCHEMATIC DIAGRAM
DOCK (iPod) iPod
C Y
INPUT SELECTOR Y
DVD
DVD 15 74HC4051 11 VIA
10
14 VIB
C Y
DTV/CBL
9 VIC
12
SEL_IN_T
3
DTV/CBL
13
C Y
DVR IN
5
3 DVR
VIA
1, 2, 4
VIB
VIC
iPod
IC301
INPUT SELECTOR C
74HC4051 11 VIA
DOCK 15
10 VIB
(iPod) 14
9 VIC
12
SEL_IN_C
3
13
5
iPod
1, 2, 4
B model
IC302
VIA
T E
L 1 3 9 4 2 2 9 6 5 1 3
VIB
4 VIC
IC342
11 0dB
OSD
SDTOSD3 13 OSD_OUT_Y
10
SCKOSD3 LC74782
Q3401
9
CEOSD3
/OSDSEL
MON
/VR1
Y
Y
Cb
C /P
5 B B IC324
Cr 74HC4052
C R /P R
DVD 15
DTV/CBL 14 Y
VCR 11
OSD 12
2
DVD
DTV/CBL 5 Pb/Cb
4
VCR
1
MUTE
Y
Y
Cb
C /P
B B
IC325
Cr
C R /P R
74HC4052
DVD 2
DTV/CBL 5 Pr/Cr
6
VCR 4
1
MUTE
Y
Y
w w w
Cb
C B /P B
C /P Cr
R R
.
7
C D
Video, Audio and Power Supply Sections
• See page 79 →
HDMI
SCHEMATIC DIAGRAM
HDMI
IN
DVD DTV/CBL OUT
DATA DATA
IC903
IN2/OUT1 Equalizer
CXB1422AR-T4
DATA
SELECT 36 25
SDA/SCL
SDA/SCL
3, 6
IC907 SDA/SCL
2, 5 SN74CB3Q
1 15
/ENB
IC909-
911
OUTPUT AMP
LA73050
6dB
12 24
6dB
17 20 REC_OUT_Y
6dB
15 22 REC_OUT_C
C Y
16
IC343
3
4 6dB 33
2 MONITOR OUT LOGIC
3
(VIDEO /S VIDEO)
1
6dB
15 29 MON_OUT_Y
VIA VIB VIC MONITOR
5
8
L L L MUTE
13
6dB
14 31 MON_OUT_C
L L H DTV/CBL
12
6
C Y
7 L H L DVD
IC344
L H H DVR
H L L V-AUX
H L H DOCK
H H L MUTE
H H H MUTE
OUTPUT AMP
NJM2581
6dB
1 13
Y
MONITOR OUT LOGIC
10 A
(COMPONENT)
Cb
9 B
VIB VIA MONITOR
Cr
L L OSD
13
6dB L H DTV/CBL
3 11
L L DVD
H H DVR
H L MUTE
3
6dB
5 9
7
IC321
10 A
9 B
3
/CBYPASS
x a o
y
A
i VIA
B
VIB
http://www.xiaoyu163.com E F
8
• See page 67-72 →
DSP MAIN
SCHEMATIC DIAGRAM
• See page 75, 76 →
SCHEMATIC DIAGRAM
Power supply for
Power supply for Power supply for
BN74HC245 (IC404)
AK4588 (IC301) component video circuit
SN74LVU04 (IC305)
RDS decoder circuit
GP1FA553RZDF (U301,302)
+5AAK +5D +5
Power supply for
power amplifier pre-amp stage.
-BV +BV
IC233
KIA7805
Power supply for
Power supply for
IC161
operation amplifier
Power supply for
-7 +7 speaker relay
TUNER
Limiter circuit for
composite video circuit. (-12)
+10B
positive power supply.
-12 +12
(Q109, 110, 112)
Q166
Q164 IC236
Limiter circuit for
KIA7812
negative power supply.
(Q111, 113, 114)
D2162
IC237
KIA7912
Q165
IC323
Power supply for Power supply for
interface regulator Microprocessor and peripheral
Power supply for
BF1.2 EX3.3
ADC (4ch)
+5 -5
+3.3S
Power supply for
component video circuit
Q101
OPERATION
Q501
• See page 73, 74 →
DSP
SCHEMATIC DIAGRAM
• See page 67-72 →
SCHEMATIC DIAGRAM
OPTIMIZER Q Q
3 7 6 3
MIC
/MC
IC161
62
TUNER ANT. FM/AM
66, 67
TUNER
TONE
70, 71
CD L/R
CONTROL
68, 69
MD/CD-R L/R
83, 84
DVD L/R
78, 79
DTV/CBL L/R
72, 73
DVR L/R
58, 59
V-AUX L/R
85, 86
Buffer amplifier with
60, 61
adjustable gain.
75, 76
MD/CD-R L/R
Selector and volume
81, 82
DVR L/R
94, 93
FRONT L/R
95
CENTER
97, 98
SURROUND L/R
SUBWOOFER 96
IC162-164
B model
DOCK (iPod)
DABL/R
DAB module
DAB _S
IC301
A/D DATA
DR0SEC 63
DIR DATA
DR0PRI 17
A/D Converter
D/A
14
Converter
RX0 57
DIR
u 1 6 3
DVD
PJ301
CODEC AK4588
RX1 59 61 26 27
DTV/CBL
.
DT0SEC
IC302 4
U301
Selector
RX2
CD
3 2
U302 Direct stereo
DT0PRI
• See page 67-72 →
DSP
SCHEMATIC DIAGRAM
http://www.xiaoyu163.com
G H
2 4
9 9 8
OPERATION
Power Supply for iPod
IGND +5I
Power Supply for
power amplifier final stage. IC234 D2163
-B +B
KIA7805
IGND
AC4
AC4
ACL
C1050
ACH
RY106
D120
ACH
C1051
ACL
Select for speaker
impedance 8-ohm or 6-ohm
AC2
AC2
AC3
AC3
+3.3 IC232
BF3.3 AC5
AC5
D2158 10V
POWER TRANSFORMER
D2152
D2164
IC235
Power supply for USB Power supply for DAB
+5X +5DAB
1 5 1 5 0 8 9 2 4
SUB TRANSFORMER
S9
T251
D2253, 2254
2256, 2257
• See page 75, 76 →
MAIN
21, 23
SCHEMATIC DIAGRAM
17
SPEAKER RELAY
9, 11
15
RY102
MUTE POWER AMPLIFIER
RY101
IC101
31.6dB
RY104
Q152, 153
IC101
31.6dB
RY105
Q155
IC102
31.6dB
R2A15215FP
RY103
+7 -7
Q151, 154
13dB
IC169 Q451, 452
Filter amplifier with gain for
removal of D/A converter noise.
m
c o
I J
RX-V461/HTR-6040/RX-V461DAB
2
9 9
• See page 73, 74 →
SCHEMATIC DIAGRAM
LIM
/8ohm SW
AC IN
For FL display filament
F1
F2
9 8 /3.3SW 2 9 9
PHONES
JK431
FRONT A L/R
SP
FRONT B L/R
SP
CENTER
SP
SURROUND L/R
SP
SUBWOOFER
VIDEO
• See page 77, 78 →
SCHEMATIC DIAGRAM
/HP
HPRY
MRYA
MRYB
CSRY
/FMT
/SMT
/CMT
/SWMT
49