Kenwood RXD-M52-L Service Manual page 13

U V
(X29-270X-XX)
Q Q
+9V
3 7 6 3 1 5 1 5 0
+5V
+B
+B
3.3V
VOLTAGE
0V Q22 AMP 5.0V
Q21
(CD SENS)
VOLTAGE
AMP R32
(CD SCOR) 0V 47K
21
C OUT
22
MIRR
23
DFCT
24
FOK
25
LOCK
26
26 MDP
27
SSTP
28
28 SFDR
29
29 SRDR
30
IC9
30 TFDR
31
31 TRDR D.S.P
32
32 FFDR
33
33 FRDR
34
VSS
35
TEST
36
TES1
3.3V 37
+B XTEL
38
R26
VC
15K 39
39 FE
40
SE
3.3V
T E
L 1 3 9 4 2 2 9 6 5 1 3
C9
C13
0.022
1000P
R24
15K
C17
41
1500P
42
+B +B
3.3V
+B
R167
2.2
2.5V 5.1V
1/4W
R317
R311
7.5K 8
5 IC13(1/2)
7 100
6
4 R325
2.5V 6.8K
Q29
54
OPE
AMP
Q30
R326
6.8K
2.5V
R312
2
100
1
R318 3
7.5K IC13(2/2)
2.5V
5.1V
L2
20uH
C224
C231 C212
100P
2.2 w w w 0.33u5.5
5.1V
+
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26
CN7
.
E
A
W X
+B
Q20
VOLTAGE
C12 C11
AMP
220P 0.1
(CD SQSO)
80
R48
LMUT
3.3V 15K
79
RMUT
78
C42 R44 R46
A VDD 2 +B
22u50 9.1K 15K
77 2
A OUT 2
+ 3
76 R82 1K
3.9V
A IN 2
C24
C46 100P 330u6.3
75
L OUT 2
+
Rch
74
A VSS 2
73
A VSS 1
IC7
C45 100P
Lch 72
L OUT 1 (1/2)
3.9V
71 R81 1K
5
A IN 1 C41 R43 R45
22u50 9.1K 15K
70 6
A OUT I
+
69
R47
A VDD 1 +B
15K
C26
3.3V
100P
68
X VSS
67 C22
XTAO
66 12P
XTAI
65
X VDD +B
64
EMPH
C23 C21
63
BCK 1000P 15P
62
PCMD C28 C20
3.3V
61
LRCK
2200P 2200P
C43 C19
3.3V
0.1 1000P
3.3V
R37 C18
10K 0.047
3.3V
+B +B
W8
5V
5.1V
IC11(2/2)
C208 820P 2.5V
R304 R306 2.5V 3 8
1
4.7K 3.9K 2.5V 2
4
R308
6.8K
R321
1K
2.5V R307
6.8K
6
7
R303 R305 5
2.5V
C226 4.7K 3.9K
2.5V OPE +7V
2.2
AMP
IC11(1/2)
C207
12.0V
C225 820P
1
x a o
y
13 12 11 10 9 8 7 6
CN8
i
C
B
Y Z
+9V
+5V 8
+7V +7V
6.8V
Q28
+3.3V AVR
5.1V
(CD)
3.3V
6.2V
+B
Rch
CD SPINDLE
CONTROLLER
IC7(2/2)
1
R56
3.9V
220K
OPE AMP
C50 100P
C49
100P
4
7
3.9V
8
+7V
R205
Lch
1K
74
Q Q
3 7 6 3
VOLUME
TREBLE MID1
SELECTOR
1
B
A
MICRO COMPUTER INTERFACE
A
TREBLE
2 MID2
B
VOLUME
SELECTOR
R206
1K
73
5V
+5V
+12V
+12V
u 1 6 3
5 4 3 2 1
.
AA AB
2 4
9 9
+7V
7.1V
+B
(BOTTOM VIEW)
7.0V
+B
V : 3.5V
H : 3.6V
R58
R53
7.1V
D22
220K
430K
Q13
R64
1.6V
0V
180K
R52
V : 3.7V
1.8K
1.6V
H : 3.5V
LOUDNESS
SW
1 5 1 5 0 8 9 2
BASS1
B
A
B
VOLUME
SELECTOR
A
A1
A SURROUND
B
VOLUME
SELECTOR
A
A2
BASS2 B
LOUDNESS
SW
m
c o
AC AD
2
8 9 9
IC10
6ch BTL
DRIVER
3.6V
Q14,15
CD
TRACKING
BIAS
VOLTAGE
V/H
CHANGE-
OVER
V : 0V
H : 3.0V
Q15
R63
2.2M
V : 4.5V
H : 0V
C254
0.033
V : 4.6V
H : 0V
4 9 8 2 9 9
IC6
SOUND
CONTROLLER
5.1V