25
25
STR-K990
STR-K990
4-11. SCHEMATIC DIAGRAM – MAIN BOARD (1/4) –
No mark:FM
0.1
0.1
0.1
-7
7
0.1
0.1
0.1
0.1
0.1
0
0
0
0
0
0
0
0
0
0
0
7
-7
0
0
0
0
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0
1k
R452
1k
R454
R455
1k
1k
R456
R457
1k
1k
R458
1k
R459
1k
R404
R405
1k
1k
R406
R407
1k
1k
R408
1k
R409
50V
4.7
C409
50V
4.7
C459
50V
4.7
C408
50V
4.7
C458
50V
10
C702
50V
10
C762
2200p
C444
R423 47k
100p
C469
100p
C468
1k
R428
10k
R475
10k
R476
0.1
C488
0.1
C464
50V
10
C495
50V
10
C485
50V
10
C484
50V
10
C481
50V
10
C492
50V
10
C493
1k
R429
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
15P
CNP501
C OUT
GND
SW OUT
L OUT
+7V
R OUT
R IN
GND
L IN
TUNER R
GND
TUNER L
C LINK R
GND
C LINK L
1
2
3
4
5
6
7
8
9
10
11
11P
CN500
V3 L
V3 R
V3 GND
VOL IC CLK
VOL IC DATA
VACS CTRL
SBR OUT
SBL OUT
SR OUT
-7V
SL OUT
2200p
C403
1
2
3
CNP503
3P
L
GND
R
1k
R402
G
L1
R1
L2
R2
J402
J402
4P
G
L1
R1
L2
R2
J403
J403
4P
L2
R2
G
R1
L1
R3
L3
J405
J405
6P
5
JW510
5
JW511
5
JW514
5
JW512
5
JW515
5
JW516
5
JW517
5
JW508
4
3
2
1
IC3002
NJM4565M(TE2)
R3010
47k
50V
4.7
C3024
R3020
47k
50V
4.7
C3034
0.1
C3025
0.1
C3026
R3013
47k
R3023
47k
R472
47k
R473
47k
R474
47k
R3022
47k
R3012
47k
R3011
47k
R3021
47k
C463
220p
C453
220p
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
1
C3037
1
C3032
1
C3027
1
C3022
47k
R471
R420
0
AMP
1
2
3
4
5
6
7
8
9 10
12
WP100
SYSTEM
GND
MAIN BOARD
(1/4)
IC3002
OUT
IN
L
R
TV
SA-CD/CD/CD-R
SAT
DVD
AUDIO IN
AUDIO OUT
VIDEO 1
L
R
L
R
IN
L
R
L
R
L
R
L
R
AUDIO IN
AUDIO IN
1
2
3
4
5
6
7
8
9
10
11
12
13
A
B
C
D
E
F
G
J
K
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299