Kenwood KRF-V7771D Service Manual page 29

CW CX
X11
-C/7
-CN7
1/6
B
1
X11
-A/7
-CN3
4/6
O
X11
-A/7
-CN4
4/6
P
2
X11-A/7
-CN1
4/6
Q
3
X11-B/7
-CN2
2/6
4
J
X11-B/7
-CN10
2/6
I
(X25- ) (F/7)
J3
D55
C
X25-B/7
5
-CN11
2/6
D
X25
Y
-B/7
-CN27
2/6
J2
AV
E AUX
(FRONT)
X08-
VIDEO
CN11
D56
3/6
6
C708
N
0.1
R702
Lch
220
X08-
CN14
3/6
R701
Rch
220
M 200mV/47k
7
CY CZ
ELECTRIC UNIT
(X25-6202-70) (A/7)
17.0V
PHONO EQ AMP
IC1
J1 (2/2)
+17V
R1 C3
1K 10u50 R3 8 C17 R9
3
L2 10u50 1K
1
+
100
R5 2
+
62K
C15
R13 R11
220P
270K 22K
C9 R7
100u10 360 C7 C5
+
0.012 3300P
PHONO
C10 C8 C6
100u10 R8 0.012 3300P
+
360
C16
220P R14 R12
270K 22K
R6
62K C18 R10
6
R2 C4 10u50 1K
7
1K 10u50 R4
5
+
R1
+
4
100 IC1
2.5mV/47K
(2/2)
CN21
FRONT Rch 15
FRONT Lch 14
T2IN-Lch 13
T2IN-Rch 12
A-Lch 11
A-Rch 10
B-Rch 9
B-Lch 8
V1REC-Lch 7 6
V1REC-Rch 6 5
V2REC-Rch 5 4
V2REC-Lch 4 3
GND 3
-17V 2 17V
+17V 1 +17V +17V
CN22
+17V 1 +17V
-17V 2 17V
IC23
V2REC-Lch 3 3
(BOTTOM
V2REC-Rch 4 4 VIEW)
V1REC-Rch 5 5
V1REC-Lch 6 6
GND 7
B-Lch 8
C227
100P
B-Rch 9
GND 10
A-Rch 11
A-Lch 12
GND 13
PRE Rch IN 14
PRE Lch IN 15
PRE Lch OUT 16
PRE Rch OUT 17
P1
GND 18
NC 19
NC 20
CN28
GND 1
CLK 2
DAT 3
ST2 4
+5V
1 2 3 4 5 6 7 8 9 4 3 2 1
E4 CN32 CN26
WH2 E
DA DB
R17 10
+17V
1/4W
C11
0.01
+
C12
1000P
+
17V 17V 17V
+17V +17V
16.3V
C205
IC21
0.01
(1/4)
16.3V
4 R211
5
3.3K
7
6
L
BUFFER
R
IC21
(2/4)
R212
-16.5V 9
8 3.3K
10
11
+
17V
-16.5V
INPUT ATT.SEL.
5.6V AVR
IC83
OUT IN
+5V +5V +5V +10V
GND
5.6V 10.2V
+
+
-5.6V -10.1V
GND
5V 5V
OUT IN
-5.6V AVR
IC82
13 12 11 10 9 8 7 6 5 4 3 2 1
CN25
E5
D
DC DD
O P
CN23 CN24
9 8 7 6 5 4 3 2 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
W115
17V 17V
+17V +17V
IC21
(3/4)
C209
47u25
3
1
+
2
13
C210
14
47u25 12
+
IC21
(4/4)
INPUT ATT
+10V
10V 10V
WH6 M
WH5
N
DE DF
B
CN29
17 18 1 2 3 4 5 6 7 8 9
W146
+17V
+31V
+8V +8V
Q86
+
+10V
C828
10.2V
100u16
+
10.9V
R821
D89
2.7K
1/4W
+17V
10V 10V
17V
-10V
AVR
-10.0V
Q85
D39
-10.7V
P2 +
E2
17V
+31V