Kenwood RXD-302 Service Manual page 16

U V
CD CKT
+5V
Q Q
3 7 6 3 1 5 1 5 0
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
T E
L 1 3 9 4 2 2 9 6 5 1 3
4
IC01
IC02
IC03
IC05
5 CAUTION: For continued safety, replace safety Q01
Q02
critical components only with manufacturer's rec-
Q03,04 :
ommended parts (refer to parts list). indicates
D03
safety critical components. For continued protec-
tion against risk of fire, replace only with same
type and rating fuse(s). To reduce the risk of elec-
tric shock, leakage-current or resistance mea-
surements 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
6
with a high impedance type voltmeter. The mea-
surement value may vary depending on the mea-
suring instruments used or on the product. Refer
w w w
to the voltage during PLAY unless otherwise
specified; The value shown in ( ) is the voltage
measured at the moment of STOP.
7
W X
1.9V 4.4V 4.8V
+ +
Q01
R01
10 +
APC
C07 R05
3.7V
AMP 15P 10K R06
12K
2.4V
+
4.8V
40
FE BIAS
3.1V
2.4V
41
1.7V
F
2.5V
42
E 4.7V
0.2V
1.7V
43
EI 4.8V
1.2V
44
VEE 4.9V
R10 220K
45
IC01
TEO
2.3V 4.8V
46
RF SIGNAL
LPFI 4.7V
PROCESSING
47
TEI /SERVO AMP 4.9V
48
ATSC 1.3V
C15
49
TZC
0.022
50
TDFCT 0.8V
2.4V
51 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
IN6 F
M 1 1 19 4 0V
4 OUT2+
SPIND
R40 5 28
CN02 IN2 IN6 R
2.4V
12K
27
R41 6 MUTE IN
3.3V
IN1
26
22K
7 GND
VCC
25
8.0V
8
GND
+8V VCC
9
REG-I
24
10 BIAS IN
REG-B
: CXA1992BR 23
VCC
11
: CXD2589Q
REG OUT
22
: BA5936S R46 12 IN4
2.4V
12 IN3 R
0V 21
: NJM4558L
10K
IN5
R47 13 20
13 IN3 F OUT5+
: 2SA952L 3.3V
10K
14 19
: 2SC2001L 14 OUT3+ OUT5-
4.1V 4.0V
15 18
2SC945P
15 OUT3-
OUT4+
3.8V
16 17
GND OUT4-
: MTZJ5.6B
3.7V
SIGNAL LINE
GND LINE
+B B LINE
x a o
. i
Y Z
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
+
+
4.7V C47
0.022
26
SENS2
25
SENS1 25
24
C.OUT 24
23
XRST
22
DATA 22
21
XLT 21
20
CLK 20
19
LOCK
18
VCC +5V
R34
17
ISET
75K
2.6V
16
SL O
R35
15
SL M
100K
14
SL P
C30
47P
R32
150K
+
+5V
+5V
2.4V
Q Q
3 7
R65
47K
31
4.9V
30
C
R44
29
22K
C63A
R45
0.022
28
22K
IC05
C51
4 0.01 R56 21
5
MDP
7
2.6V
+
6 R51 33K 22
PWMI
8 22K
23
2.4V TEST
+ 2.3V
24
+8V
R52 TES1
R43 33K 25
VPCO
22K
R53 C52 26
VCKI
6.8K 0.01
27
20
V16M
R58
47K 28
19
VCTL
4.9V
R59 29
0.9V
18
PCO
2.6V
3.3K 30
17
FILO
31
C56 R60
FILI
2.6V
0.47 1K 32
AVSS
33
C59
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
+
u 1 6 3
y
+5V
+8V
AA AB
S02
T/T MOTOR
2 4 M
8 9 9
D E
S04 C775
4.7u16
CN10
+
MOVE
STOP
2 2 2
1 1 1
CN09 CN09
1 2 3 4 5
CN06
CN06
1 2 3 4 5
5.0V
L02
22uH
+5V
+
+5V
6 3 1 5 1 5 0 8 9
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 510
71
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
m
1K
A B
c o
+
8.1V
.
RXD-302/302E/352/352E/372S
Y39-3522-71
AC AD
2
8 9 9
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 4/5
62 14 MUTE
R70A 1K
7 C
13 DATA
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
AVR 1 1 TRAY CLOSE SW
8.1V
CN04
Q02
MAIN
+8V 1 B+IN
-CN402
+
2 M.GND
4/5
5.6V
3 D.GND
Q03 0V
D
Q04
+
Lch OUT
4
2 4 9 8 2 9 9
A.GND
5
0.7V
6 Rch OUT
C86 R88
4.7u50 2.2K
+
C85 R87
4.7u50 2.2K
+
62
57
RXD-302/302E (3/5)
RXD-352/352E (3/5)
+8V
RXD-372S (3/5)