Kenwood KRF-X9995D Service Manual page 33

CH CI
Q Q
3 7 6 3 1 5 1 5 0
(X11-3890-11) (B/2)
20 18 16 14 12 10 8 6 4 2
19 17 15 13 11 9 7 5 3 1
+8dB-MAX : 3.8V
OTHERS : -16.7V
15
14
T E
L 1 3 9 4 2 2 9 6 5 1 3
IC24
SELECTOR
6ch-ANALOG/
DIG.TONE-ON/OFF
SP-B
10
9
8 10
11 11
12 12
R495 13 13
1K 14 14
15 15
16
10
17
R497
10K 16 18
17 19
C493
R491 680K 100P
C485 0.015
9
R499 4.7K
+17V C494
100P
IC34
7
24
5
w w w
C495
7
100P
R498
17V
4.7K
17V
+17V 10
C486 0.015 11 11
IC34
R492 680K C470 12
.
100P TONE
13 13
CONTROL
14 14
15 15
16 16
17 17
18 18
+17V
17V 19 19
CJ CK
(X11- ) (A/2)
R53 C53 R59
2.2K 10u50 100
+
J1
Lch
R54 C54 R60
PHONO
2.2K 10u50 100
+
Rch
D5
R1
Lch
1K
CD1
R2
Rch
1K
R3
Lch
2.2K
REC
C105 1000P
R4
Rch
2.2K
D6
MD/
TAPE1
R5
Lch
1K
PLAY
R6
Rch
1K
J2
R7
Lch
1K
REC
CN12
C106 1000P
1 V-B OUT
R8
Rch
2 +10dB A
D7 1K
3 HDCD+6dB
4 VOL ST1 CD2/
TAPE2
5 VOL ST2
6 VOL DA
R9
Lch
7 VOL CK
1K
8 TONE ST
9 TONE DA PLAY
TONE CK K
R10
SEL ST3
Rch
BG-1
1K
SEL ST2
SEL ST1
R11
SEL DA
Lch
SEL CK
2.2K
u-COM GND
REC
T.GND
C107 1000P
TUNER Rch R12
Rch
TUNER Lch
D8 2.2K
CD-R
R13
Lch
1K
PLAY
CN13
R14
1 AV AUX Rch
Rch
2 AUX GND 1K
3 AV AUX Lch
4 REF.GND (17V)
5 A.Rch
6 A.GND
7 A.Lch
8 RTN.GND (17V)
BJ-2
9 -17V x a o
y
N
+17V
SBR
SB.GND
i
SBL
SW
CE
SR
SL
FR
FL
CL CM
8
PHONO AMP
17.1V
+17V
IC1
(1/2)
C65 R67
8
3
1 4.7u50 1K
2
+
C61 C63
R57 0.012 3300P
360
R61 R63
270K 22K
R62 R64
270K 22K
R58 C62 C64
360 0.012 3300P
C66 R68
6
-16.5V
4.7u50 1K
7
5
R78
+
10
4
+17V
IC1
R77
(2/2)
17V 17V
10
-16.6V -16.6V
27
8
6
4 4
3
-16.6V
17V
21
C74
100P
10
C78
100P
R
28
ZONE A
IC2
(BOTTOM
Q Q
VIEW)
3 7 6 3
3
1
L
R45
1K
2
C46 R46
100P 1K
C73
100P
+17V
23
28
27
25
8
23
31
20
IC2,3
INPUT
SELECTOR
11
TAPE2
Q1,2 REC BUFFER
13.3V
+B
REC
R89
25 MUTE IC4 (1/2)
Lch R83 C85
8 470
3
1K 4.7u50
1
1 2
+
R81
R85 100
4.7K
6
C87 100P
Q1
R82 C88 100P
Q2
4.7K
R86 100
u 1 6 3
+B
R84 C86
6
R90
1K 4.7u50 7
2 5 470
+
4
.
Rch
IC4 (2/2)
CN CO
2 4
9 9 8
30 28 26 24 22 20 18 16 14 12 10 8 6 4 2
31 29 27 25 23 21 19 17 15 13 11 9 7 5 3
16
20
+17V
12
R
1 5 1 5 0 8 9 2 4
L
C75
100P
C108
22u50
+
17.1V
Lch
+17V
C93 R93
C91 IC5 (1/2)
2.2u50 470 8
1u50 3
1
+ 2
+
B R97 100
C99 100P
ZONE
B BUFF
m
C100 100P
c o R98 100
C92
6
C94 R94
7
1u50
2.2u50 470 5
+
+ 4
-16.0V IC5 (2/2)
B
Rch
-16.6V
17V
CP CQ
2
9 9
+17V
BLch
CN1
1
ZONE B
1
2
3
4
BRch
C141
4.7u50
15
+
FLch
ZONE B
IC3
(BOTTOM
ZONE A
VIEW)
C77
100P
FRch
C142
4.7u50
14
9 8 2 9 9 +
20
C181
4.7u50
11
+
R47
1K
Cch
C48 R48
100P 1K
ZONE A
SWch
C182
4.7u50
10
+
C211
4.7u50
13
+
C101 R99
4.7u50 47
+
SLch
ZONE A
C102 R100
4.7u50 47
+
SRch
C212
4.7u50
12
+
17V