28
28
STR-K995
STR-K995
4-14. SCHEMATIC DIAGRAM – MAIN BOARD (3/4) –
• See page 43 for IC Block Diagram.
3
1.2
-1
0.2
0.2
-45
-1
1.2
46
46
-46
7
-5.5
-5.5
1.2
-6.9
0
-4.4
6.5
-5.5
6.5
-46
-46
-45.3
1.2
0.5
0.5
-0.5
-1
-1
0.3
0.8
0
6.5
0.1
46
0.1
-1
-46
-0.1
-0.1
0
0.1
-0.1
-0.1
-46
No mark:FM
100V
2.2
C741
1
9
8
7
6
5
4
3
2
15
14
13
12
11
10
µ
PC2581V-S
IC501
10V
100
C503
68k
R505
100p
C507
100p
C506
68k
R502
2.2k
R503
1k
R501
50V
4.7
C501
500V
3p
C504
22k
R741
500V
33p
C505
JW501 JW502
DTA124ESA-TP
Q692
1SS355WTE-17
D691
UDZSTE-1730B
D690
47k
R696
10k
R695
220k
R690
0.1
C691
10k
R693
10k
R698
330
R692
470k
R699
2SC1815GR-TPE2
Q691
33
R514
33
R515
220p
C519
68k
R525
123
MP1620-OPY-MK
Q504
B
C
E
500V
47p
C516
82k
R511
2SA1163L-TE85L
Q506
47k
R573
6.2k
R521
2SA1163L-TE85L
Q505
25V
47
C510
0.22
R516
560
R513
1.5k
R522
0.022
C511
500V
C517
47p
123
MN2488-OPY-MK
Q503
B
C
E
2.2k
R510
2SA1115TP-EF
Q501
10
R517
4.7k
R520
2SC3623ATP-LK
Q502
0.01
C541
22k
R540
15k
R546
4.7k
R555
2SC3052EF-T1-LEF
Q540
47k
R556
50V
10
C540
1SS355WTE-17
D505
15k
R557
1SS355WTE-17
D540
D529
0.01
C529
R585
4.7k
R586
47k
6.8k
R840
22k
R844
25V
47
C842
100V
10
C732
100V
10
C733
1
R733
1
R732
D841
15k
R524
10k
R694
1SS355WTE-17
D611
RY610
2SC3052EF-T1-LEF
Q612
82
R635
4.7
R518
1.7uH
L501
TM604
1
2
3
4
4
3
2
1
NJM4565M(TE2)
IC691
100k
R539
10k
R529
0
R843
R691
1k
R633
68
VACS-CTRL
VEE
+V_C
-V_C
PROTECT DET
POWER AMP
4
3
5
8
12
30
29
28
27 26
25
24
23
22
21
20
19
18
17
16
15 14
31 32
33
34
35
36
37 38
IC501
IC691
LIMITER
LIMITER
CURRENT DETECT
CURRENT DETECT
BOOSTER
AF POWER
PROTECT
1SS355WTE-17
RELAY DRIVE
2P
SPEAKERS
(INPEDANCE USE
6-16
Ω
)
TM604
CENTER
UDZSTE-173.0B
-B SWITCH
-B SWITCH
(3/4)
MAIN BOARD
+
–
C
C
2W
2%
18
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
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299