Block Diagram - Yamaha RX-V620 Service Manual

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BLOCK DIAGRAM

1
See page 70 (DSP)
COAXIAL
IC808A
IC808B
CD
SIGNAL
DETECTOR
IC808C
OPTICAL
MD/CD-R
DVD
D-TV/CBL
2
VIDEO
AUX
DUTY CORRECT
REC OUT
MD/CD-R
IC805, 806, 807
IC813A, 814A
CODEC
ADL
3
IC813B, 814B
CONVERTER
ADR
AK4527
B, G ONLY
See page 71 (INPUT 1/2)
XL301
RDS
DECODER
INPUT
IC308
SELECTOR
IC312
FM/AM
3/5
1/7
TUNER
4
IC311
PHONO
PHONO
MM EQ
(L/R)
CD
(L/R)
DVD
(L/R)
D-TV/CBL(L/R)
IC301
IC302A
MD/CD-R IN
(L/R)
VCR 1 IN
(L/R)
VCR 2/DVR IN
(L/R)
VIDEO AUX
(L/R)
5
INHIBIT
MD/TAPE OUT
(L/R)
VCR 1 OUT
(L/R)
VCR 2/DVR OUT
(L/R)
6
C
XL801
2
1
IC801 YSS928
CXA
125
62
SDOB0
CXDTA
9
OPTB
157
OPTC
156
61
SDOB1
OPTD
154
AXD
3
60
SDOB2
RSEL
59
SDOB3
6
5
14
DIR
SDIA
35
9
A/D
IC812
DSP CONTROL
from µ-COM
IC303A
IC313
DAL/DAR
3/5
1/7
BYL/BYR
6L/6R
FL/FR
C
6C
SW
6SW
RL/RR
6RL/6RR
MAIN
6L/6R
(L/R)
6C
CENTER
SURROUND
6RL/6RR
(L/R)
6SW
SUBWOOFER
D
E
D/A
CONVERTER
IC811A
11
L (DAL)
See page 75 (POWER)
2
1
3
12
3
+
IC815
AK4382
IC811B
9
5
+
R (DAR)
7
10
6
IC815A
3
+
1
C
6
27
IC815B
5
+
7
SW
28
CODEC
IC816A
D/A
+
FL
5
7
7
25
CONVERTER
IC816B
IC812
3
+
1
FR
26
AK4527
IC817A
3
+
1
RL
8
23
IC817B
+
RR
5
7
24
4M
DRAM
IC802
+3.3
IC804
+5D2
+2.5
IC803
+5D2
See page 72 (INPUT 2/2)
FRONT
MIX
IC303E
IC302B
IC316
IC304A
IC320
L/R
2/6
1/7
3/5
1/7
90Hz
HPF
CENTER : NONE
IC304B
IC303B
IC315A
5
7
C
BASS OUT : NONE
IC303C
IC315B
IC304C
3
1
SW
IC314
IC303D
IC317
3/5
1/7
RL/RR
3/5
1/7
+5V
-5V
IC319A
3
1
Q310 – 315
42
F
RX-V620/HTR-5460/RX-V620RDS
D743-746
T741
Q741
D723
D722
IMPEDANCE
SELECTOR
SW371
RY741
F742
See page 75 (MAIN 2/2)
See page 74 (MAIN 1/2)
PA : POWER AMP
IC501
IC502
TONE
LO/RO
L/R
5/3
7/1
6/4
8/2
Q303, 304
CONTROL
PA
BASS
TREBLE
VR501
VR502
Q110A/C
SW501
Q114A/C
MUTE
C
C
PA
Q305
Q126A/C
Q308, 306
RL/RR
PA
Q118A/C
Q122A/C
RL/RR
SW
SUBWOOFER
SW
Q301, 302
G
H
S12
PRY
MG
F1
F2
+5D
IC705
IC703
+5
G
IC701
+12
G
IC704
-5
-12
IC702
D372-375
+BL
G
-BL
D371
+B
G
-B
Q136
-VP
PHONES
RY101
+B
MAIN A
(L/R)
RY102
SW351
-B
MAIN B
(L/R)
SW351
+B
CENTER
RY104
-B
REAR
+B
(L/R)
RY103
-B
RELAY DRIVER
Q137, 138, 139
OUTPUT
MAIN
(L/R)
REAR
(L/R)
CENTER
B, G ONLY
43

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