Technics SA-DV250 User Manual

SCHEMATIC DIAGRAM-2
IC901
C2BBFD000317
SYSTEM CONTROL/
FL DRIVE
C
B
A
Q901
UN4212TA
RESET
R936
100
R919
15K
R991
47K
R918 10K R928 47K
L902 1 H
D901
1SS291TA
L901
10 H
R951
330K
R952
10M
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
R993
100K
D931
MA165TA
D933 MA165TA
R990
100K
C916
6.3V100
D951
LNJ301MPUJAD
(DIGITAL
S.WOOFER
)
R995
220
D954
SELS5923C
(
PLAY/ REC
)
R986
1.5K
D306
SELS5223C
( )
R939
1.5K
C905
1000P
C901
6.3V100
R935 100 R934 100
R988 1K
R937 10K
R987 1K
R926
2.2K
C912
0.1
R954
100K
C926
1000P
R960 1.5K
R958 1K
R999
100K
R959 47
R969
2.7K
D902
1SS291TA
C903
0.01
C902
10V1000
X902
(32.7kHz)
C911
18P
C910
20P
X901
(6MHz)
1
3
2
D905 1SS291TA
EFIKLMNO Q
R940
1K
R929 1K
R930 1K
R932 1K
R931 1K
R976
100K
R956
1K
R957
1K
C915
0.01
C925
1000P
R953 100
A
B
C
D
G
H
J
C914
50V2.2
D904
MA165TA
A
B
C
D
E
ABCDEFGHI JKLMNOPQRST UVWX
1
11
21
2
12
22
3
13
23
4
14
24
5
15
25
6
16
26
7
17
27
8
18
28
9
19
29
10
20
30
3132333435363738394041424344454647484950
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
- VP
P13
P14
P15
P16
P17
P18
P19
P20
P21
P22
P23
P24
P25
P26
P27
P28
P29
P30
P31
P32
V
DD4
P33
P34
P35
P36
P37
P38
REGIN0
REGIN1
8G
REMOCON
RDS DATA
RDS CLK
HP SW
MIC DET
VR JOGA
VR JOGB
NC(GND)
SH REQ
KEY KARAOKE
KEY TU
V
DD1
XC OUT
XC IN
Vss
X OUT
XIN
RESET
AC IN
SEL/ TUNER
SEL TUNER
ST/ AV.6CH
LC72 CK
LC72 DI/ ST
LC72 CE
LC72 DO
CHECK
STAND-BY TIMER S.W.LED LOUNGE CHORUS MUTE NC POWER Vss2 V
DD2
MUTE2 NC MUTE3 SHCS SHDO SHDI SHCK E DET CR TIMER SD
V
DD3
P12
P11
P10
P9
P8 P7 P6 P5 P4 P3 P2
P1
1G 2G 3G 4G 5G 6G 7G
R994 100K
U
R949
4.7K
R950
100
: POSITIVE VOLTAGE LINE : NEGATIVE VOLTAGE LINE
5.1V
5.1V
2V/2ms.DIV.
5V
0V
5V
0V
T
10ms.
2V/2ms.DIV.
0V
5V
- 30.1V
- 30.1V
- 29.3V
- 29.3V
- 29.3V
- 26.3V
- 20.5V
- 29.3V
- 29.3V
- 29.3V
- 23.5V
- 20.5V
- 23.4V
- 23.4V
- 23.7V
- 20.7V
- 29.6V
- 29.6V
- 29.6V
- 23.7V
- 26.6V
- 26.5V
5.1V
- 29.5V
- 29.5V
- 26.5V
- 17.2V
- 5.3V
- 10.3V
0.4V
0V
-
23.4V
-
20.5V
-
26.3V
-
26.3V
5.1V
-
23.4V
-
20.5V
-
26.2V
-
29.2V
-
26.2V
-
26.2V
-
26.1V
-
26.3V
-
23.5V
-
23.5V
-
25.6V
-
27.5V
-
27.5V
-
25.5V
-
23.5V
- 25.6V
5.1V
2.6V
2.6V
0.6V
5.1V
0V
0V
1.4V
5.1V
5.1V
5.1V
2.3V
2.3V
2.7V
1.6V
5V
2.2V
0V
5.1V
5.1V
4.6V
0V
0V
2.5V
0V
5V
0V
5.1V 3.3V 1.9V
1.9V
1.4V
0V
5.1V 5.1V
4.8V
0V 0V 0V 0V 0V 0V
FM / AM
- 30V
4V
T 5.5ms.
0V
0V
4V
T 5.5ms.
- 30V
FM / AM
3.3V
P-P
F=6MHz
FM / AM
4.2V
P-P
F=6MHz
FM / AM
5.2V
P-P
F=32.7kHz
FM / AM
5.2V
P-P
F=32.7kHz
FM / AM
2V
P-P
F=32.7kHz
FM / AM

Technics SA-DV250 Specifications

General

Brand	Technics
Model	SA-DV250
Category	Amplifier
Language	English