Nju7313 - Kenwood KR-V8090 Service Manual

K
QQ
3 7 63 1515 0
C57 R57
1u50 47K
+
Q9
DE-EMPHASIS
Q10
C58 R58
1u50 47K
+
75us: 0.6v
50us:0v
TE
L 13942296513
CH SPACE
DE-EMPHASIS
www
1060VR(Y)/1070VR(Y)/KR-V8090(C) (1/6)
.
L
+15V
IC4
(1/2)
0V
3 C59 R59
8
+ 1 10u16 3.3K
0V 2
+
-
4
R55
0V
-14.9V
150K
-15V
Q7
IC4
(2/2)
0V
C60 R60
5
Q8
+ 10u16 3.3K
7
0V 6
+
-
R56
0V
150K
R49
47K
FM:100kHz
75uS
S1 AM:10kHz
FM:50kHz
50uS
AM:9kHz
x ao u163
y
i
Y05-3330-10
M
2 9
8
+15V
D12
C67
1000P
+15V
MUTE
-15V
Q6
R65
R63
1K
( )
820 5
MUTE
( )
4
DRIVE
( )
3
MUTE ON: 0.3V
( )
2
MUTE OFF:4.9V
ON: 0.7V
OFF: -2.3V
+15V
Q Q
3 6 7 1 3 1 5
14.5V
+15V
co
.
1060VR/1070VR/KR-V8090/KR-V9090
N
9 4 2 8
CN1
15 DET
14 S-LEVEL
13 SD
X08-B/2
12 STEREO
-E1
11 Rch
10 GND
4/6
9 Lch
8 +15V
A
7 -15V
6 T.MUTE
5 PLLDATA
4 PLLCLK
LC72131
3 PLLCE
2 PLLDO
1 CH.SPACE
NJU7311AM
TA7805S
0 5 8 2 9 9 4 2 8
LA1832
DSP56004FJ66
NJU7312AL
NJU7313AL
TA7808S
m
O
9 9
9 9