2
A
B
C
D
E
F
G
H
I
J
1
3
4
5
7
RX-V420/RX-V420RDS/HTR-5440/HTR-5440RDS/DSP-AX420
6
E-34/J-30
E-33/J-29
■
BLOCK DIAGRAM (1/2)
VIDEO AUX
(L/R)
MD/TAPE OUT
(L/R)
VCR OUT
(L/R)
INHIBIT
AUX
(L/R)
CD
(L/R)
DVD
(L/R)
D-TV/CBL
(L/R)
A
UDIO
MD/CD-R IN
(L/R)
VCR IN
(L/R)
MAIN
(L/R)
CENTER
SURROUND
(L/R)
SUBWOOFER
FM/AM
TUNER
RDS
DECODER
DAL/DAR
BYL/BYR
6L/6R
C
6C
SW
6SW
RL/RR
6RL/6RR
L/R
C
L/R
C
RL/RR
RL/RR
SW
C
RL/RR
SW
SW
TONE
BALANCE
CONTROL
IC445
XL441
B, G ONLY
INPUT
SELECTOR
IC441
IC442
6L/6R
6C
6RL/6RR
6SW
IC443
IC442
IC442
IC443
IC446
IC447
IC443
90Hz
HPF
IC733
IC732B
IC771
IC502
Q448~451
Q445, 446
Q452, 453,
455, 456
Q441, 443
LO/RO
SUBWOOFER
MAIN A
(L/R)
CENTER
REAR
(L/R)
MAIN B
(L/R)
6CH INPUT
MUTE
PHONES
SW241
RY1
SW241
RY3
RY2
RELAY DRIVER
Q36, 106
ER
Y
MR
Y
CD
DVD
D-TV/CBL
DIGIT
A
L INPUT
IC808A
IC808B
IC808C
SIGNAL
DETECTOR
XL801
IC802
4M
DRAM
CXA
OPTC
OPTD
SDIA
CXDTA
125
156
154
5
14
35
9
IC812
AK4527
ADL
ADR
IC813A, 814A
IC813B, 814B
CODEC
A/D
CONVERTER
IC812
AK4527
CODEC
D/A
CONVERTER
IC801 YSS928
62
61
60
59
6
7
8
27
25
23
28
26
24
SDOB1
SDOB2
SDOB3
IC815A
IC815B
IC816A
IC816B
IC817A
IC817B
C
SW
L (DAL)
R (DAR)
RL
RR
IC443
PA : POWER AMP
PA
PA
PA
IC804
+3.3
+5D2
IC803
+2.5
+5D2
1
2
See page E-57/J-53 (DSP)
See page E-58/J54 (MAIN)
See page E-55/J51 (INPUT)
BASS
VR771
TREBLE
VR773
VR772
IC734
VR731
DIR
INPUT
SELECT
OR
REC OUT
SELECT
OR
DOLBY DIGIT
A
L
/DTS DECODER
SOUND FIELD PR
OCESSING/SPEAKER CONFIGURA
TION
/VIR
TU
AL PR
OCESSING/HEAD-PHONE PR
OCESSING
Q20A/C
Q18A/C
Q19A/C
+B
-B
+B
-B
+B
-B
COAXIAL
OPTICAL
9
DSP CONTROL
from
µ
-COM
–
+
–
+
–
+
–
+
–
+
–
+
7
5
7
5
1
3
1
3
1
3
7
5
IC444
1/7
3/5
7/1
5/3
8/2
6/4
1/7
3/5
IC731
1/7
3/5
IC732A
1
3
7
5
1/7
C. NONE
SW. NONE
3/5
See page E-56/J-52 (OPERATION)
Q16A/C
Q17A/C
D371
Q33
D223
D222
J223
J224
IMPEDANCE
SELECTOR
+B
G
-B
-VP
SW161
D402
IC371
IC372
IC373
G
+12B
-12
+25
G
-25
+12A
D401
Q371
Q372
D403
IC374
+10
G
+5D
F1
F2
RY161
F162
S12
Q161
D163
T161
MG
PRY
See page E-55/J-51 (INPUT)
IC443
D221
-VP
J221
J222