Kenwood RXD-302 Service Manual page 13

K L
CD CKT
+5V
1
CN01
VC
1 1
+5V
2 2 +5V
E R18 100K
3 3
D R17 68K
4 4
A R16 68K
5 5
B R15 68K
6 6
C R14 68K
7 7
F R13 100K
8 8
GND C08
9 9
LD
0.022
10 10
VR
11 11
PD
12 12
FC+
13 13 2
FOCUS TR+
2 14 14 3
TRACK
TR-
15 15 4
FC-
16 16 1
R11
CN01 150K
3
4
IC01
IC02
IC03
IC05
Q01
5
Q02
Q03,04 :
D03
+B
CAUTION: For continued safety, replace safety critical compo-
nents only with manufacturer's recommended parts (refer to
parts list). indicates safety critical components. For continued
protection against risk of fire, replace only with same type and
6
rating fuse(s). To reduce the risk of electric shock, leakage-cur-
rent or resistance measurements shall be carried out (exposed
parts are acceptably insulated from the supply circuit) before
the appliance is returned to the customer.
The DC voltage is an actual reading measured with a high
impedance type voltmeter. The measurement value may vary
depending on the measuring instruments used or on the prod-
uct. Refer to the voltage during PLAY unless otherwise speci-
fied; The value shown in ( ) is the voltage measured at the
moment of STOP.
7
M N
1.9V 4.4V 4.8V
+ +
Q01
R01
10 +
APC
3.7V C07 R05
AMP 15P 10K R06
12K
2.4V
+
4.8V
4.7V
40
FE BIAS SENS2
3.1V
2.4V
41
1.7V SENS1
F
2.5V
42
E 4.7V C.OUT
0.2V
1.7V
43
EI 4.8V XRST
1.2V
44
VEE
4.9V
R10 220K
45
IC01
TEO
2.3V 4.8V
46
LPFI RF SIGNAL
4.7V
PROCESSING
47
LOCK
TEI /SERVO AMP 4.9V
48
ATSC
1.3V
C15
49
TZC
0.022
50 2.6V
TDFCT 0.8V
51 2.4V
2.5V 2.8V
VC
2.4V
52
2.4V 2.4V
FZC
+
R29
68K
C27
+ + 10P
LIMIT SW
S05
CN02
IC03
BTL
6 6 DRIVER
32
5 5
GND
1
4 4 17 1 OUT1- 31
3.7V
OUT6-
2 4.1V
M 3 3 18
2 OUT1+ 30
SLED
OUT6+
3
2 2 20
3 OUT2- 29 R44
IN6 F
M 1 1 19 4 0V
22K
4 OUT2+
SPIND
R40 5 28 R45
CN02
IN2 IN6 R
2.4V
12K 22K
27
R41 6 MUTE IN
3.3V
IN1
26
22K
7 GND
VCC
8.0V 25
8 GND
+8V VCC +
9
REG-I
24
10 BIAS IN
REG-B
: CXA1992BR 23
VCC
11
: CXD2589Q
REG OUT
22 R43
: BA5936S R46 12 IN4
2.4V
12 IN3 R 22K
0V 21
: NJM4558L
10K
IN5
R47 13 20
13 IN3 F OUT5+ 20
: 2SA952L 3.3V
10K
14 19
: 2SC2001L
14 OUT3+ OUT5- 19
4.1V 4.0V
2SC945P 15 18
15 OUT3- 18
3.8V OUT4+
16 17
: MTZJ5.6B GND OUT4- 17
3.7V
SIGNAL LINE
GND LINE
B LINE
O P
CD DECK (UP/DOWN)
+5V
S01 CN708 CN708
CLOSE
DOWN
1 1
2 2
UP
3 3
OPEN
M
TRAY MOTOR
1 2 3 4 5 2 1
CN11
CN07
R36
CN07
180K
1 2 3 4 5 6 7
C48
C46
47u10
4.7u50
+
+
C47
0.022
26
25
25
24
24
23
22
DATA 22
21
XLT 21
20
CLK 20
19
18
VCC +5V
R34
17
ISET
75K
16
SL O
R35
15
SL M
100K
14
SL P
C30
47P
R32
150K
+
+5V
+5V
2.4V
R65
47K
31
4.9V
30
C
29
C63A
0.022
28
IC05
C51
21
4 5 0.01 R56
7 MDP
2.6V
6 R51 33K 22
PWMI
8 22K
23
2.4V TEST
+ 2.3V
24
+8V
R52 TES1
33K 25
VPCO
R53 C52 26
VCKI
6.8K 0.01
27
V16M
R58
28
47K
VCTL
4.9V
29
0.9V R59
PCO
2.6V
3.3K 30
FILO
31
C56 R60
FILI
2.6V
0.47 1K 32
AVSS
C59 33
CLTV
0.9V
+8V
470P 34
+5V AVDD
C57 35
RF
2.4V
0.01
C60 36
BIAS
0.9V
220P 37
ASYI
2.4V
R63 R64 38
ASYO
220K 10K 39
LRCK
40
LRCKI
+
+5V
+8V
Q R
S02
T/T MOTOR
M
D E
S04
C775
4.7u16
CN10
+
STOP MOVE
2 2 2
1 1 1
CN09 CN09
1 2 3 4 5
CN06
CN06
1 2 3 4 5
5.0V
L02
Q02
22uH
+5V
+
+5V
C64 1000P
C65 1000P
C66 1000P
C67 1000P
C68 1000P
80
4.7V
VDD
4.8V
79
4.6V
XRST
4.9V
78
0.8V
AVSS
4.8V
77
4.8V
AVDD
R82
76 12K
4.6V
AOUT2
2.1V
75 R84
4.7V
AIN2
12K
74
4.6V
LOUT2
73
AVSS
72
XVSS
R73
IC02 71 510
XTAO
2.3V
DIGITAL SIGNAL XTL01
16.9344M
PROCESSOR W/DAC 70
XTAI
2.4V
69
XVDD
68
AVSS
67
LOUT1
2.1V
R83
12K
66
AIN1
R81
12K
65
AOUT1
64 4.9V
AVDD
63
AVSS
0V 62
SYSN
0V
61
VDD
+
R75
1K
A B
+
8.1V
Y39-3250-11
S T
DISC COUNTER
S03
CN10
2
1
CN05
24 GND
13 23 T.T+
28 22 TRAY-
29 21 TRAY+
12 20 T.T-
19 CD CONTROL
57 18 SCOR
UCON
17 FOK
-CN05
16 XRST
15 LOCK 3/4
62 14 MUTE
R70A 1K
7 13 DATA B
R70B 1K
5 12 SQSO
R70C 1K
4 11 SQCK CLOK
R70D 1K
8 10 XLAT
R70E 1K
9 9 NC
6 8 SENS1
7 SENS2
6 6 PIC UP SW
5 5 PIC DOWN SW
4 4 DISC COUNT
3 3 TURN TABLE SW
2 2 TRAY OPEN SW
+5.0V
1 1 TRAY CLOSE SW
AVR
8.1V
CN04
MAIN
+8V B+IN
1 -CN402
+
M.GND
2
3/4
5.6V
3 D.GND
Q03 0V
C
+ Q04
4 Lch OUT
5 A.GND
0.7V
6 Rch OUT
C86 R88
4.7u50 2.2K
+
C85 R87
4.7u50 2.2K
+
62
57
+8V
RXD-A31(2/4)
RXD-302/A31