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
■
PRINTED CIRCUIT BOARD (Foil side)
MAIN (1) P. C. B.
From MAIN (2)
MG
S12
PR
Y
PR
V1
From
OPERATION (5)
HPL
E
HPR
/HP
To
OPERATION
(1)
ER
Y
PR
V1
VP PRD PRI SR
Y
S12 PR
Y
MG LIMDT /HP
From
MAIN (5)
+R
YV
+R
YV
YPB
To MAIN (4)
R
E
L
L
LE
LE
R
RE
RE
From
OPERATION
(4)
NFC
VRR
NFRR
VRL
PRV1
E
+B
VC
VR
NFRL
NFR
VL
NFL
-BV
From MAIN (2)
BE
BL
RE
L
R
CENTER
REAR
Ref. No.
Location
D1
H4
D2
F4
D3
E3
D4
D4
D5
C4
D6
G4
D7
D4
D8
G4
D9
G4
D10
C4
• Semiconductor Location
Ref. No.
Location
D21
D3
D22
G3
D23
D3
Q1
H5
Q2
G5
Q3
E5
Q4
D5
Q5
C5
Q6
H4
Q7
H4
Ref. No.
Location
Q8
G4
Q9
F4
Q10
F4
Q11
E4
Q12
E4
Q13
C4
Q14
C4
Q15
B4
Q16A
H5
Q16C
H5
Ref. No.
Location
D11
H2
D12
H2
D13
G2
D14
D3
D15
D3
D16
C3
D17
C3
D18
H3
D19
G3
D20
C3
Ref. No.
Location
Q17A
F5
Q17C
G5
Q18A
E5
Q18C
F5
Q19A
D5
Q19C
D5
Q20A
B5
Q20C
C5
Q26
I4
Q27
H4
Ref. No.
Location
Q28
G4
Q29
F4
Q30
E4
Q31
C3
Q32
G3
Q33
G2
Q34
E3
E-49/J-45
E-50/J-46
Circuit No.
J
U, C
R, T
A, B, G, L
C38, 41~44
X
X
X
O
X: NOT USED
O: USED / APPLICABLE