Printed Circuit Board View From Bottom Side - Onkyo TX-7430 Service Manual

Quartz synthesized tuner amplifier
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PRINTED CIRCUIT BOARD VIEW FROM BOTTOM SIDE
25
1326
70
NCO/5-2670
V
CRI
VCR2
7-1
7-2
D
,
I
G
~
~
G
I
5
723
0
,
5722
~
,
R76
/
0
736
N
f
-'
1
CD
CD
...
...
,-
J
_.
a:
a:
,lil
J600
.
-,
DISPLAY
rc
BOARD
Sockets
PI OI
,
PI
0 2
20006
57
NSAS- L
OP6
13
0
740-074 7
223
163
I SSI
33
Pll1
PI 12
25050270
25050268
NSCT-6P 98
NSCT-4 P96
0720
L.E
.Ds
225
14 1
SEL22
13C
DISPLAY pe BOARD(NADIS-2870·2A)
0
72 2-0724
0
730
225137CG,
225
137
0G
o
r
SEL2
4 13CG,
SE
L24 130
G
or
CIRCUIT
NO.
PART
NO.
DESCRIPTION
0733-073 7
2
24 13 70Y
SEL24130Y
U002
Opto. modul
e
24 1068
BX-1407
0
72 6-072 9
0
7 38 ,07 39
225
142
225
142
SEL2913
K
SEL2913
K
ICs
Capacitors
Q70
1
Q702
Q70
4
222
6
19
22240026
222 80 1
).LPß
55 J/\
C
).LP0
17 11ClJ-524
~(
PAROC
C70
1
0
04
C70 6
3547233
19
35478 4799
3537210
19
330
).L
F, 6.3V, Eleet.
0.4
7).L
F,
50
V,
Fleet.
100).L
F,
6.3V,
Llect
.
0705
2227
4
145
1
74LS I45
C71
4
3020027 or
0.04
7F , 5 V
o r
0
706 , Q707
Q703
,
Q7
17
0720
Q7 12, 0 7 13
Q7
14-07 16
Q7
19
22280
1
Transistors
2211
255 ,
22107460
r
2212485
22
12600
22
11256
22
11705
,
22
117060r
22
12794
).L
PA80C
2SCl
815
(G
R),
2SC945A (
P)
or
JC50
I
(0)
OTi\l
24 FS
2SCl8
15(
IlL)
2SD655(E),
2S
065
5
(I:)
o
r
2S01 468( R)
0
15
0
16,
C7 17
0
18, 0 19
('720
C721
·('729
C73
0-C73 5
C736. C737
X70 1
3000050
354 782209
354780 109
35472
1019
354 74 1009
30
2003 1
302
00
30
35
47 4
1019
X'ta
l
30
10091
0.047 F,
5.5
V, Sup
er
22).L f , 50 V,
Elee!.
I).L
F,
50V,
Elect
.
100). L F,
6.3
V,
Elect
.
10).LF
,
16V
,
Eleet.
CN3
RAE331 M,
Block
CN3 R7E33 1M, Block
100).L F, 16
V,
Elee
t.
XTL-4.5
M
Fluorescent tube
Resistors
Q72
1
21203
7
8-BT-49G
K
R70
5-R7 17
49 L6 322341 3
22
kohmX
13, I/lO
W,
Network
PU
OI
0
701 -07 05
0706
Lamp
2
10064A
Diod
es
22
3
163
2239472
or
6.3
V,
0.25/\
I
SS I
33
R05 .6 EB2 0 r
R7
18-R724
R725-
R728
S70 1-S7I5
S7
18-S724
49 163 1044 0
7
49 16 3104404
Switch
es
2503554
8
250355
48
100ko
h m
X7,
I/lO
W,
Notw erk
100 koh mX4 ,
I
/I
OW,
Ne two rk
NPS-I I I-S5 10
NPS-III
-S51O
22
43152
MTZ5 .6ß
0
70 7-07 19
223
163
I
SS
I
33
-
29­

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