Kenwood VR-505 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
CD
2
R18
1K
R21
1K
MD/TAPE
REC
R22
1K
R25
1K
MD/TAPE
PLAY
R26
1K
3
J2
R29
1K
MONITOR
REC
R30
1K
R33
1K
MONITOR
PLAY
R34
1K
R37
1K
4
VIDEO1
OUT
R38
1K
R41
1K
VIDEO1
IN
R42
1K
J10
DVD
IN
5
C J3 D
R45
1K
VIDEO2
IN
R46
1K
R49
6 1K
VIDEO3
IN
R50
1K
7
C D
12.0V
+B
IC7(1/2)
R5
C17 R15
100 3 8
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
7 4.7u50 1K
100 5 -12.1V
+
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
22u16
1
+
2
IC9(1/2) +
C37
2.2u50 8
3
1
+
2
LINE BUFFER
C46
6 6
C38 C42
7 7 22u16
2.2u50 5 2.2u50 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
Sch/SWch
IC3
C134
470P
C105
R136 470P
R318
33K
30K
Q306 R134
R105
100K
B
R103
100K
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
+B
+B
59.0V
-59.0V
D7
-65.2V
B
B
D6
+B +B
+B +B
11.7V
11.7V
0V
Q209 R244
1.5K
17
33K
Q210
R245
0V
16
R248
1.5K
11.7V 3.3K 11.7V
Q212
0V
Q211
R250
10K
D24
11.4V
Q214
Q213
R251
10K
12.0V
12.0V
+B
-12.1V
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 18 17 16
CN7
B