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
AUX
CD
IN
OUT
DVD
D-TV/CBL
IN
OUT
VCR
MD/CD-R
SUB
WOOFER
INPUT (1) P. C. B.
From OPERATION (1)
MG
SI0
VPP2
+5B
U
/SCK0
VPP
/RES
SD0
To INPUT (3)
SW2 SW1 DEST
VE
+12A SW3
AXL E AXR
To
OPERATION
(1)
SCKR
SDRR
SDTR
SW1
SW3
6ch GAIN
SCKP
TUNED
YSSCK
CSY
MMR
SCK
LC1
VDN
CEL
MLF
SDM
DMT
TMT
CEP
SW2
RDSE
/-10dB
SDTP
SDRP
/ST
INT928
MG
/ICD
SDD
CSN
MCT
FMUT
S0
VUP
PR
V2
LC2
To OPERATION (6)
-12
+12A
TIR
E
TOR
TIL
E
TOL
To OPERATION (3)
E
R
L
E
E
RR
RL
E
LC2
VG C
E
-25
+12B-12
+25
E
5D
+12A
LC1
DG
DG
DG
+10
To OPERATION (4)
+10
VG
RR
O
-12
+12A
VUP
VDN
LFEO
C0
RLO
LO E
E
E
RO
RLI
LFEI
RRI
LI
E
E
AI
CI
To DSP
SW
RR
FR
DG
DMT
DA
R
C
RL
FL
AXD
INT928
ADR
DA
L
ADL
E
E
/ICD
DG
YSSCK
SDM
SDD
CSY
+25V
+5D1
CSN
-25V
+5D2
To INPUT (6)
6R
E
6L
E
6RR
E
6RL
E
6SW
E
6C
From Tuner
CEP
SCKP
GND
SDTP
RXRDS
+5B
COMP
+12B
TUL
TE
TMT
/ST
TUR
TUNED
11
5
30
16
11
5
30
16
1
18
18
1
9
15
30
16
1
12
24
13
To
OPERATION
(1)
W441
Brown
■
PRINTED CIRCUIT BOARD (Foil side)
Ref. No.
Location
D441
C3
D442
E4
D443
E4
D444
E4
D445
E4
D446
A2
D447
C3
D448
C3
IC441
H4
IC442
G4
IC443
F4
IC444
F3
IC445
B3
IC446
G4
IC447
E5
Q441
G5
Q442
G5
Q443
G5
Q444
E4
Q445
C4
Q446
C4
Q447
C4
Q448
C5
Q449
B5
Q450
C5
Q451
B5
Q452
D4
Q453
D4
Q454
D4
Q455
D4
Q456
D4
Q457
C4
Q458
C3
Q459
C4
Q460
C4
Q461
B2
Q462
B3
Q465
C3
Q466
B5
Q467
B5
Q468
D4
Q469
C3
• Semiconductor Location
E-38/J-34
E-37/J-33
Circuit No.
J, U, C, A, L
R, T
B, G
C499~504, 506,
X
X
O
507, 514
IC445
X
X
O
J441
X
O
X
Q462
X
X
O
L441
X
X
O
R575~579, 581, 582
X
X
O
XL441
X
X
O
X: NOT USED
O: USED / APPLICABLE