Technics RS-DV290EG Service Manual page 91

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
For
[GN]
area.
.
R
416
330
P
LNJ301MPUJAD
(MIC EFFECT CHORUS)
For [GN] area.
7
: POSITIVE VOLTAGE LINE
A
B
C
-30.1V
A B C D E F G H I J K L M N O P Q R S T
50 49 48 47 46
-30.1V
-VP
51
-29.3V
P13
52
-29.3V
P14
53
-29.3V
P15
54
-26.3V
P16
55
-20.5V
P17
56
-29.3V
P18
57
-29.3V
FM / AM
P19
58
-29.3V
P20
59
-23.5V
P21
60
-20.5V T 5.5ms.
P22
61
-23.4V
P23
62
-23.4V
P24
63
-23.7V
P25
64
-20.7V
P26
65
-29.6V
P27
66
-29.6V
P28 FM / AM
67
-29.6V
P29
68
-23.7V
P30
69
-26.6V
P31
70
-26.5V F=32.7kHz
P32
71
5.1V
V 4
72 DD
-29.5V
P33
73
-29.5V
P34
74
-26.5V
P35 2V /2ms.DIV.
75
-17.2V
P36
76
-5.3V
P37
77
-10.3V
P38
78
0.4V
REGIN0
79
T 10ms.
0V
REGIN1
80
81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100
For [EE] area.
D953
R998
220
5.1V
8
: NEGATIVE VOLTAGE LINE :AUDIO SIGNAL LINE
45 44 43 42 41 40 39 38 37 36 35 34 33 32 31
FM / AM
4V
REMOCON
0V
-30V RDS DATA
T 5.5ms.
IC901 RDS CLK
FM / AM
C2BBFD000404 HP SW
4.2V MIC DET
SYSTEM CONTROL/
P-P
FL DRIVE
VR JOGA
FM / AM
VR JOGB
4V F=6MHz
0V 3.3V NC(GND)
P-P
-30V SH REQ
KEY KARAOKE
F=6MHz
KEY TU
FM / AM
V
5.2V
XC OUT
P-P
XC IN
F=32.7kHz
FM / AM
X OUT
5.2V
X IN
P-P
2V
RESET
P-P
F=32.7kHz
AC IN
SEL/ TUNER
SEL TUNER
5V
5V
0V
ST/ AV.6CH
0V
2V /2ms.DIV.
LC72 CK
5V
LC72 DI/ ST
LC72 CE
0V
LC72 DO
CHECK
L O F M K I N E
9 10
:MIC SIGNAL LINE
U V W X Y
For [GN] area.
0V:GN
2.6V:EE
-25.6V
8G
30
5.1V
29
28
27
0.6V
26
5.1V
25
0V
24
0V
23
22
1.4V
21
5.1V
20
5.1V
19
5.1V
1
DD 18
2.3V
17
2.3V
16
Vss
15
2.7V
14
1.6V
13
5V
12
2.2V
11
0V
10
9
8
7
5.1V
6
5.1V
5
4.6V
4
0V
3
0V
2
2.5V
1
R953
100
R926
2.2K
R954 R952
100K 10M
X902
(32.7kHz)
R919
15K
R991
47K
D902
1SS291TA
Q
SA-DV290(EE,GN) OPERATION,MIC JACK CIRCUIT DIAGRAM
11
5.1V
Q901
UN4212TA
RESET
0V
5V
A
B
C
D
E
U
J
R956 R957
1K 1K
H
R940
1K
G
R929 1K
A
R930 1K
B
R932 1K
D
R931 1K
C
X901
(6MHz)
1
2
3
D901
1SS291TA
12