Kenwood R-SE9 Service Manual page 12

P
(X09-4952-70) (B/4)
1
CN1
NC 9
L. IN 8
A. GND 7
R. IN 6
-12V 5 -12V
WH3
+12V 4 +12V
+5.6V 3
MUTE 2
ATT 1
2
X05-
CN1
1/3
A
3
(X09-4952-70) (A/4)
J7
R5
AUX IN 1
1K
R21
Lch MD PLAY 2
1K
R17
MD REC 3
1K
4 J6
R6
AUX IN 1
1K
R22
Rch MD PLAY 2
1K
R18
MD REC 3
1K
J3
R1
CD IN 1
1K
5
R13
Lch TAPE PLAY 2
1K
R9
TAPE REC 3
1K
J2
R2
CD IN 1
1K
R14
Rch TAPE PLAY 2
6
1K
R10
TAPE REC 3
1K
J5
GND 1
SYSTEM SDATA 2
CONTROL
SBUSY 3
7
Q
ELECTRIC VOL.
TONE CONT.
IC3
(BOTTOM VIEW)
R29
10K
+
9.3V
+
R191
+B 4.6V 4.6V 4.6V
150
1/4W
4.6V 4.6V 4.6V
C141
10u16
+
R30
10K
-12V
+12V
+5.6V
WH2
15 14 13 12 11 10 9 8 7 6
26
23
C132
0.01
21
5
8
10
11.8
INPUT
SEL.
IC1
R
L
-12.4V
R
C31 R37
4.7u16 2.2K
+
-2.1V
R39
2.2K
MUTE
R40
2.2K
R189
-2.1V
1K
C32 R38
R190
4.7u16 2.2K
1K
4.7V
+
MUTE
DRIVE
4.5V -2.1V
R198
1K
3.4V
Q47
+B
3.9V
-12V
E3 E4
5 4 3 2 1 9 8 7 6 5
-12.4V
+12V +12V
-12V
REC OUT IC2
BUFFER (1/2)
8
3
+ 1
2
-
R27
33
R28
33
C18
6
10u25
- 7
5
+
+
IC2
4
(2/2)
11.4V
-12V
R171
1K
R172
1K
-12V
S
0.6V
Q1
R45
Q3
1K
-6dB
ATT.
Q4
R46
1K
0.6V
Q2
ATT.
DRIVE
2.6V
3.4V
R192 R203 R196
47K 1K 47K
Q48
+B
3.4V
-12V
+12V
WH3
4 3 2 1
+5.6V
+12V
-12V -12V
+10V
10V AVR
11.8V
0.2V
Q37
+10V +12V
Q50
Q51
FAN
11.3V
ON/OFF
D51
R213
0.6V
2.2K
R214
Q50
10K
+
0.3V
0.6V
C129
Q39
220P
R211
FAN
C130
330
SPEED
220P
CONT.
0V
FAN CONTROL
u-COM FAN MOTOR
Pin No.
OFF LOW
50 0
FAN HI
51 1
FAN ON
R170
15
1K
5
4
T
+12V
+
-12V
FAN ON
0.6V
R210
330
Q38
1.2V
FAN HI
HI
1 0
0 0