Kenwood KRF-V5050D Service Manual page 12

A B
(X07-3XXX-XX) (A/4)
W198
A
1
J1
R1 C3
1K 10u50
+
PHONO
R2 C4
1K 10u50
+
W201
R17
1K
2 CD
R18
1K
R21
1K
MD/TAPE
REC
R22
1K
R25
1K
MD/TAPE
PLAY
R26
3 1K
J2
R29
1K
MONITOR
REC
R30
1K
R33
1K
MONITOR
PLAY
R34
1K
R37
4
1K
VIDEO1
OUT
R38
1K
R41
1K
VIDEO1
IN
R42
1K
J10
5
VIDEO2
IN
C J3 D
R45
1K
DVD
IN
R46
1K
6
R49
1K
VIDEO3
IN
R50
1K
7
C D
12.0V
+B
IC7(1/2)
R5
C17 R15
100 8
3
4.7u50 1K
1
2
+
R7 C11 C13
360 0.012 3300P
R9 R11
270K 22K
R10 R12
PHONO
270K 22K
EQ AMP
C12 C14
R8 0.012 3300P
360
C18 R16
6
R6
4.7u50 1K
7
100 -12.0V
5
+
4
IC7(2/2)
B
12.0V
R303 1K
R304 1K
IC8
INPUT/REC
OUT
R
SELECTOR
L
R308 1K
R57 100
-12.1V
B
+B
-12.0V
REC OUT BUFFER IC10(1/2)
C41
C45
2.2u50 8
3
1 22u16
+
2
IC9(1/2) +
C37
2.2u50 3 8
1
+
2
LINE BUFFER
C46
6 6
C38 C42
22u16
7 7
2.2u50 2.2u50
5 5
+
+ 4 + 4
IC9(2/2) IC10(2/2)
B
23
9
12.0V
R305 1K
R306 1K
IC11
INPUT/
ATT
R
SELECTOR
L
R307 1K
B
-12.1V
E F
SURR.CH
IC1
+B
C153
100P
B
B
B
+B
+B
R310
R309 30K
+B
30K
Q301 Q302
7
B
+B
+B
B
-12.1V
17
B B
4
5
Q3
23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6
6
B
21
A
G H
FRONT/CENTER CH
IC3
C134
470P
R136
R318
33K
30K
Q306
R134
100K
B
C106
470P
R106
33K
11.7V
C104
2.2u50
+
D15
R222 51K
D12
R217 51K
D13
R218 51K
+B
+B
B
Q6 Q4 Q2 Q5 Q1
R332 R336
100K 1K
5 4 3 2 1 17 16 15 14 13 12 11 10
CN5 CN6
I J
D7
B
B
D6
+B
+B
C105 11.7V
470P
11.7V
0V
Q209
R244
1.5K
R105
33K
Q210
R245
0V
R248
1.5K
3.3K
11.7V 11.7V
R103
Q212
100K
0V
Q211
R250
10K
D24
11.4V
Q214
Q213
R251
10K
12.0V
12.0V
+B
-12.1V
+B
ON:3.8V
OFF:-12.0V
MUTE
ON:3.9V
Q311
OFF:4.2V
R331
10K
ON:3.2V
OFF:4.5V
9 8 7 6 5 4 3 2 1 19
CN7
B