Kenwood KR-V8090 Service Manual page 24

K
IC4
(1/2)
0V
C57 R57
1u50 47K 3 C59
8
+ 1 10u16
+
0V 2
+
-
4
R55
0V
150K
Q9
DE-EMPHASIS
Q10
IC4
(2/2)
0V
C58 R58
1u50 47K C60
5
+ 10u16
7
+
0V 6
+
-
R56
0V
150K
R49
75us: 0.6v
47K
50us:0v
FM:100kHz
75uS
S1 AM:10kHz
FM:50kHz
50uS
AM:9kHz
CH SPACE
DE-EMPHASIS
1060VR(Y)/1070VR(Y)/KR-V8090(C) (1/6)
L
+15V +15V
D12
R59
3.3K
MUTE
-14.9V
-15V
Q6
Q7 R65
R63
1K
820
MUTE
DRIVE
MUTE ON: 0.3V
MUTE OFF:4.9V
ON: 0.7V
OFF: -2.3V
R60
Q8
3.3K
+15V
+15V
Y05-3330-10
M N
CN1
15 DET
14 S-LEVEL
13 SD
X08-B/2
12 STEREO
-E1
11 Rch
C67
10 GND
1000P
9 Lch
+15V 8 +15V
-15V 7 -15V
6 T.MUTE
( )
5 5 PLLDATA
( )
4 4 PLLCLK
( )
3 3 PLLCE
( )
2 2 PLLDO
1 CH.SPACE
14.5V
1060VR/1070VR/KR-V8090/KR-V9090
O
4/6
A
LC72131
NJU7311AM
TA7805S
LA1832
DSP56004FJ66
NJU7312AL
NJU7313AL
TA7808S