Kenwood VR-505 Service Manual page 16

AO AP
(X08-30XX-XX)
Q Q
3 7 6 3 1 5 1 5 0
5
+12V +12V
12V
C3 0.01 C109 C209
4700P 4700P
C4 100P
C110 C210
R2 5.6K 100P 100P
C12 100P
L R SL
C111 C112 C211 C212
C14
100P 100P 100P 100P
1 7 1
100P 6 5
4 8 4 8
IC1
3 2 6 5 3 2 6
7 IC11 IC11 IC21
(2/2)
(1/2) (2/2) (1/2)
R111 R109 R110 R112 R211 R209 R210
4.7K 10K 10K 4.7K 5.6K 2.7K 2.7K
C105 C106 C205 C206
1800P 1800P 2200P 2200P
R103 R104 R203 R204
100K 100K 100K 100K
FILTER
T E
L 1 3 9 4 2 2 9 6 5 1 3
+5V
41
+5V
42
C23
43
1000P
1
33
SDOS
OVF
2
32
I2C
RIN+
3
31
SMUTE
RIN-
4
30
BICK
LIN+
5
IC2
29
LRCK
LIN-
6
CODEC 28
SDTI1
ROUT1
7
(ADC & DAC)
27
SDTI2
LOUT1
8
SDTI3 26
ROUT2
R21
9
25
SDTO
LOUT2
220 10 24
DAUX ROUT3
11 23
DFS LOUT3
w w w
+5V
+3.3V
AQ AR
8
10
+12V
12.0V
12V
C309
0.01
C310
100P
SR SW
C311
100P
7 1 7
IC12
4 8 4
5 3 2 6 5
IC21 IC31 IC31
(2/2) (1/2) (2/2)
R212 R311 R309 R310 R312
5.6K 4.7K 10K 10K 5.6K
C305 C306
1800P 8200P
CONFIGURATION
R303 R304
100K 100K
+2.5V
+2.5V
+5V
5.0V
5.0V
+5V
E
2.5V
D2 D1
32
30
28 IC46
C465
27
0.01 4
26
3.3V
25
5
+3.3V
24
23
+5V
x a o
y
. i
+5V
+3.3V
AS AT
+12V
12V
-12.1V
C121 22P
-12.1V
R123 10K
R127 2.4K 2
1
3
IC13 (1/2)
LPF 4
12V
CONFIG.2
C216
C125
1000P 0.01
+12V
C126
100P
12.0V IC13 (2/2)
5
R128
7
+12V
2.4K 6
12.0V
8
R218 5.6K
+12V
R124 10K
6 CHANNEL
C122 22P
R126 100
Q Q
3 7 6
R122 10K
D44
IC47
1 5 5.6V
VSS CE
2
R459
+B VIN
Q47
4 560 1/4W
3
+2.5V VOUT EXT
C459 R454
10u50 6.2V 18 2W
+B
+
D45
IC48
1 5
VSS CE
2
R461
+B VIN
Q48
3 4 560 1/4W
+2.5V VOUT EXT
R449
C462 18
10u50 2W
+B
+
D43
4.9V
3
VIN
5.0V
2
R453
VSS
D42
4.7
1
VOUT
1/4W
8.7V
IC45
R452
1
+5V OUT IN +B
5.0V 1/4W
GND
+5.0V
AVR
8.8V
R496 R493
u 1 6 3
1.5K 47K
+12V
12.0V
R494
Q42
D47
4.7K
+B
Q41
PROTECTION
AU AV
2 4
8 9 9
+12V
12V
20
12
R141 R142 R143
1 1 1 C141
100P
IC14
+12V
17
R146 R145 R144
16
1 1 1
8
3 1 5 1 5 0 8 9
+B
12.0V
+12V
+7.1V
+7.0V
AVR
Q15
11.9V 7.0V
R172
100
R173
100
m
-7.0V
Q16 c o
-7.0V
AVR
8.8V
-7.1V
.
12V
-12.1V
D41
AW AX
2
8 9 9
12.0V
12V
+12V
B
Q73 Q74
C711 47P C714 0.01
C713 100P C712 47P
R715 10K R716 10K
IC70 IC70
1
(1/2) 7 (2/2)
LEFT
8 4
R709 R710
5 6 47K 47K 2 3
C709 C710
33P 33P RIGHT
C705 C706
22P 22P
R707 R708
470K 470K
2 4 9 8 2 9 9
Q71 Q72
C701 470P C702 470P
R701 47K R702 47K
12.0V
+B
+12V
7.0V
SOUND
CONTROLLER
IC15
+B
41
C184
40
220P
39
R166 2.7K
C183 1
12V