Technics SU-C909U - Page 57

S805
(UNIT ON/OFF)
1
2
3
4
5
6
C
6
5
4
3
2
1
C
W703A
R812
560
POWER SWITCH
CIRCUIT
F
1
2
33
2
1
W703B
S804
(SELECTOR)
R811
22K
R810
12K
R809
6.8K
R808
4.7K
R807
3.3K
R806
2.2K
R805
1.8K
R804
1.5K
R803
1.2K
R802
1K
R801
820
SELECTOR CIRCUIT
G
L801
100
H
C802
0.01
W704B
1
832 4 5 6 7
R821
12K
S801
(VGCA)
S802
(TAPE MONITOR)
R820
22K
R823 180 R822 330
R815 330
R814 180
R813 180
D812 (ON)
D811 (VIA TONE) D813 (SOURCE) D814 (TAPE2/MD) D815 (TAPE1)
W705B
D811,814,815
SLR325DCT31
LED CIRCUIT
IC801
BU2090AFE2
LED DRIVE
1
832 4 5 6 7
1
32
1
32
16151413121110
Vss
DATA
CLK
Q0
Q1
Q2
Q3
Q4
VDD
Q11
Q10
Q9 Q8 Q7 Q5 Q6
12345678
9
1
2
3
1
732 4 5 6 7
1
32 4 5 6 8
R827
100
R826
100
ABC
ABC
W705A
C801
6.3V100
R825
330
D818
()
L802
10 H
W702W701
W704A
D816
SLR325VCT31
(A.V.B.O.)
Z801
RCD12042TH
(REMOTE SENSOR)
R819
270
R824
330
D817
(MUTING)
D801
(PHONO)
D802
(TUNER)
D803
(CD)
D804
(DVD)
D806
(AUX)
D807
(TAPE2/MD)
D808
(TAPE1)
D801 804,806 808,817,818
SLR325VCT31
C805
100P
C804
100P
R828
10K
R829
10K
C803
0.1
C806
0.1
1
732 4 5 6 7
1
32 4 5 6 8
D
AKJI HGLDBC
CN702CN701
OPERATION CIRCUIT
E
W10
D812,813
SLR325VCT31
/
R830
330
:POSITIVE VOLTAGE LINE :NEGATIVE VOLTAGE LINE
13V
14.2V
14.1V
5.7V
5.7V
5.7V
5.7V
1V 1V 1V 0.3V 4.4V 4.4V 4.4V 5.7V
1V 1V 1V 0.3V 0V 0V