Technics RS-DV290EG Service Manual page 90

A
OPERATION CIRCUIT
FL901 (A2BB00000115)
H
1 2
R996
150
G
For [GN] area.
F
E
2
3
6
JK903
PHONES
4
3.5mm STEREO
5
7
1
W905
D
C
G
MIC JACK CIRCUIT
C421
0.1
W401
6
5
JK902
4
MIC2
6.3mm
B
2
MONAURAL
1
6
5
JK901
4
MIC1
6.3mm
2
MONAURAL
1
A
1
5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
Z Y X W V U T S R Q P O N M L K J
R908 R907 R906 R905
4.7K 3.3K 2.2K 1.8K
R912 R911 R910 R909
4.7K 3.3K 2.2K 1.8K
For [GN] area.
For [GN] area.
Q401
2SC5398RSTA
MIC AMP
R402 C404
680 50V3.3
3.3V
1.8V
2.3V
C405 R406
1000P 470K
R401
680
2 3
FL DISPLAY
I H G F E D C B A A B C D F G H I J K L M N O P Q R S T U
R904 R903 R902 R901
1.5K 1.2K 1K 820
R916 R915 R914
1.5K 1.2K 1K
D974
MA165TA
S
T
R407
IC401
4.7K
TA2011S
MIC AMP
1 2 3
C408
0.022 1.3V 0V
C410
16V10
R410
2.2K
4
53 54
R925
1K
X
E
R913 R924
820 1K
W
V
Y
For [GN] area.
C415
50V1
R416
330
CN904
1 2 3 4
1 2 3 4
W904B
4 5 6 7
1.9V 0.8V 5.2V
VR401
5K(B)
(MIC VOL)
5 6
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
Fo
[G
ar
R
P
7