Kenwood RD-M52MD Service Manual page 18

AE AF
www.freeservicemanuals.info
(X29-270X-XX)
+9V
+5V
+B
+B
3.3V
0V Q22
VOLTAGE
AMP
(CD SCOR) 0V
21
C OUT
22
MIRR
23
DFCT
24
FOK
25
LOCK
26
26 MDP
27
SSTP
28
28 SFDR
29
29 SRDR
30
30 TFDR
31
31 TRDR
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
C9
C13
0.022
1000P
R24
15K
41
42
+B
+B
2.5V 5.1V
R317
R311
7.5K 5 8 IC13(1/2)
100
7
6
4 R325
6.8K
2.5V
Q29
54
OPE
AMP
Q30
R326
6.8K 2.5V
R312
2
1 100
R318 3
7.5K IC13(2/2)
2.5V
L2
20uH
C231 C212
2.2 0.33u5.5
5.1V
+
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
CN7
E
A
AG AH
VOLTAGE
Q20
AMP 5.0V
Q21
(CD SENS)
R32
VOLTAGE
C12 C11
47K
AMP
220P 0.1
(CD SQSO)
80
LMUT
3.3V
79
RMUT
78
A VDD 2 +B
77
A OUT 2
R82 1K
76
A IN 2
75 C46 100P
L OUT 2
Rch
74
A VSS 2
73
A VSS 1
Lch 72 C45 100P
L OUT 1
IC9
R81 1K
71
A IN 1
D.S.P
70
A OUT I
69
A VDD 1 +B
3.3V
68
X VSS
67
XTAO
66
XTAI
65
X VDD +B
64
EMPH
63
3.3V
BCK
62
PCMD
3.3V
61
LRCK
C43 C19
0.1 1000P
C17
3.3V
1500P R37 C18
10K 0.047
+B
3.3V 3.3V
+B
W8
R167
5V
2.2
1/4W
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
2.5V R307
5.1V
6.8K
6
7
R303 R305 5
2.5V
C226 4.7K 3.9K
2.5V OPE
C224 2.2
AMP
IC11(1/2)
100P C207
C225 820P
1
18 19 20 21 22 23 24 25 26
AI AJ
+9V
+5V
+7V
5.1V
+B
R48 Rch
15K
C42 R44 R46
IC7(2/2)
22u50 9.1K 15K 2
1
+
3
3.9V
3.9V
C24
330u6.3
OPE AMP
+
C50 100P
C49
IC7
100P
(1/2)
3.9V 4
5
C41 R43 R45
7
22u50 9.1K 15K 6
+ 3.9V
R47
8
15K
C26
100P
+7V
Lch R205
1K
C22
74
12P
C23 C21
1000P 15P
C28 C20
2200P 2200P
3.3V
MICRO COMPUTER INTERFACE
+B
R206
1K
73
R321
1K
+7V
12.0V
13 12 11 10 9 8 7 6 5 4 3 2 1
CN8
C
Digitized in Heiloo the Netherlands
AK AL
+7V
7.1V
+B
6.8V
Q28
+3.3V AVR
(CD)
3.3V
6.2V 7.0V
+B +B
R53
D22
220K
CD SPINDLE
CONTROLLER
Q13
1.6V
R56
0V
R52
220K
1.6V 1.8K
LOUDNESS
SW
VOLUME
TREBLE MID1 BASS1
SELECTOR
1
B B
A
A
B VOLUME
SELECTOR
A
A1
A SURROUND
B VOLUME
SELECTOR
A A2
A
TREBLE
2 MID2 BASS2 B
B
VOLUME
SELECTOR
LOUDNESS
SW
5V
+5V
+12V
+12V
AM AN
1/20/2020
+7V
IC10
6ch BTL
DRIVER
(BOTTOM VIEW)
3.6V
Q14,15
CD
TRACKING
BIAS
VOLTAGE
V : 3.5V
V/H
H : 3.6V
CHANGE-
OVER
V : 0V
H : 3.0V
R58
7.1V
Q15
430K R63
2.2M
V : 4.5V
H : 0V
R64 C254
180K 0.033
V : 3.7V
V : 4.6V
H : 3.5V
H : 0V
IC6
SOUND
CONTROLLER
5.1V
+5V
Not for sale!