Kenwood DPX-4020 Service Manual page 17

Cd cassette dsp receiver
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K
L
Q Q
CH-IN
(X14-6710-XX)
J2
3 7 6 3 1 5 1 5 0
1
5
9
R805 100
REQ C
GND
1
R807 100
DATA C
2
6
10
CLK
R808 100
13
3
7
11
BU
+B
4
8
12
D710
R716 4.7K
R712 4.7K
P-CON
Q710
2
P-ANT
C708 3.3u50
10K
C709 0.068
29
D802
Q708
47K
Q711
C710
Q709
D803
0.1u50
+
3
+B
+B
CN4
S-GND
SUPPLY
+B
12
12
2
3
R REEL
11
11
5
1
4
R104
ANODE
120
10
10
+5V
TAKE UP
2
3
F REEL
9
9
4
1
4
PON5V
8
8
+5V
C105
MODE SW
47u16
T E
L
1 3 9 4 2 2 9 6 5 1 3
+
2
MODE2
C104 0.01
7
7
52
C
1
MODE1
4
6
6
53
R106
3
MODE3
5
5
51
MOT-G
22K
4
4
Q101
MAIN MOTOR
MOT+B
M
3
3
+B
SUB-
2
2
47K
SUB MOTOR
R107 100
SUB+
M
1
1
47K
C106 0.01
0.6V
Q102
IC8
IC8
0V
MOTOR
1
0.8V
DRIVER
GND
2
C107
OUT1
0.01
3
P1
R108
4
VZ
+B
680
4.3V
5
1.7V
0V
CP11
10K
5
IN1
48
6
IN2
49
7
VCC1
+7.5V
7.5V
R111
8
10 1W
VCC2
9
P2
10
OUT2
0.6V
6
IC1 : SBX3050-02
D1,2 : B30-1575-05
w w w
DTC114YUA
UN5213
2SD1766
FMW1
DTC124EK
2SA136
DTC143TK
2
DTC144EK
KRC103S
3
UN5111
7
UN5114
UN5211
M
N
D801
DC CN
BUP
16
15
14
13
12
11
10
9
J1
8
7
6
5
4
3
2
1
D701
D707
C701 4700u16
R704
+
3.3K
C702 0.1
ACC DET
D705
Q706
C705
Q701
0.1
+
Q703
Q707
R706
10K
C703 0.022
C704
R703
0.022
15K
DIMMER
C706
1u50
Q702
+
R604
EX.ANP
Q705
100K
BU DET
R628
D709
100K
+B
+B
BU 5V
PON5V
Q712
D712
+5V
+5V
Q714
Q713
R721
39
100
A8V
A5V
Q716
+8V
+8V
13.6V
Q715
+5V
1.26V
+B
Q717
IC11
R723
15K
+5V
VIN
VREF
GND
0V
+5V
+5V
R732
50
1.5 1/2W
+B
Q724
SERVO
7.5V
R730 620
Q718
Q720
R727
820
+5V
4,5,48-53
+7.5V
(X16-1250-00)
IC1
R2
S1
0.8V
4
22
VDD
D1
5.0V
3
GND
2
GND
R3
1
1K
OUT
CD
EJECT
5V
0V
1
CN1
CN1
1
2
3
4
5
6
IMD16A
2SB154
2SB127
x
a o
7
.
i
5
1
2
O
P
+B
RST
DSP
2.5V
IC4
R502
C516
22K
3.5V
1
0.15
32
MCLK CONT
NVOL IN
5.0V
2
31
2.5V
C515 2.2u50
+B
TEST1
MIC IN
5V
30
+
CP51
NC
0V
2.5V
1K
29
3
Lch IN
OL
69
CLOCK
28
2.5V
4
5V
Rch IN
OR
70
LATCH
0V
27
2.5V
R618 100K
5
DELAY OUT
68
DATA
5V
26
2.5V
0V
Lch OUT
IL
C503 0.1
5.0V
6
25
2.5V
AD CONT
Rch OUT
IR
C504 0.1
R506
C517
2.5V
7
DA CONT
47K
1
5.0V
8
17
+B
VCC
R507
47K
2.5V
C514
9
24
2.5V
220u10
DELYSOR OUT
REF
+
23
10
MIC OUT
C507
TEST OUT
22
2.5V
C513
4700P
11
FVOL IN
LPF1 IN1
2.5V
0.22
2.5V
21
2.5V
12
LPF2 OUT
LPF1 IN2
C512
C508
13
20
2.5V
LPF2 IN2
LPF1 OUT
1000P
1000P
2.5V
14
AD INT IN
C511
19
2.5V
C509
15
LPF2 IN1
AD INT OUT
18
2.5V
4700P
0.068
0V
16
DA INT OUT
GND
17
2.5V
C510
DA INT IN
0.068
L601
+5V
+B
33
+5V
+8V
LAMP+B
Q
Q
Q902
3
7
+B
+B
Q901
Q903
+B
R902
470
40
A1
DC/DC
L901
7
22uH
VIN
+B
6
GND
5
VO1
+33.5V
4
NC
3
FAC
R903
2
C/T
1
22K
FAC
+7.5V
+33.5V
+B
+B
+5V
+7.5V
3
5
7
9
11
13
15
17
2
4
6
8
10
12
14
16
18
FMG1A
2SA1037K
DTA114EUA
u 1 6 3
y
2SC4081
DTA124EUA
DTC114EUA
DTC124EUA
DTC144EUA
Q
R
2
4
8
9
+B
+B
RESET
IC9
5.0V
5
1
+B
VDD
0V
5.0V(0V)
X1
2
VSS
R674
4
3
OUT
VSS
4.7K
R610
Q602
1M
22K
D601
22K
Q601
+B
R673 22K
5V
0V
5V
0V
R620
CP65
100K
100
21
21
CH DATH
22
22
CH DATC
5V
23
0V
23
CH CLK
5V
26
0V
R621 2.2K
24
5V
24
BEEP
0V
C608 0.1
25
RESET
26
5.0V(0V)
5V
CH REQH
0V
R623 100
5.0V(0V)
27
27
CH CON
28
NC
R625 1K
5.0V(0V)
29
29
P ANT
R626 1K
5.0V(0V)
30
30
P CON
R627 2.2K
5.0V(0V)
31
31
BU DET
R629 100
32
5V
32
CH REQC
0V
R611 1K
33
5V
IC1
PN SC REQ
0V
SYSTEM u-COM
34
SEL1
35
SEL2
5.0V(0V)
R641
10K
5V
0V
R640
6
3
1
5
1
5
0
8
CP64
36
100
10K
SDA
37
36
NC
38
5V
38
SCL
0V
5.0V(0V)
39
39
PON
5.0V(0V)
40
40
LAMP
CP66
2.2K
5V
0V
CP67
CP68
4.7K
2.2K
+B
+B
+5V
+5V
+5V
+5V
+8V
+8V
+7.5V
m
NJM4565M
DAN202K
c o
DAN202U
.
S
T
2
9
8
9
9
+B
80
AMP CTRL
80
79
PWIC SVR
78
5.0V(0V)
R672 10K
PWIC STBY
77
PW MUTE
76
0V(5.0V)
R670 2.2K
TEST
R669 1K
75
5.0V(0V)
FM SD
75
R668 470
74
5.0V(0V)
AM+B
74
73
5.0V(0V)
FM+B
R665 1K
72
5.0V(0V)
PRE OUT
72
71
5.0V(0V)
R664 1K
INPUT
71
CP69
5V
470
0V
73
70
DSP STBY
70
5V
69
0V
DSP CLK
69
68
DSP DATA
68
5V
0V
CP63
4.7K
67
5.0V(0V)
C MTL (NC)
67
66
5.0V(0V)
C MUSIC (NC)
66
65
5.0V(0V)
C NR (NC)
65
64
0V(5.0V)
C MSC (NC)
64
9
2
4
9
8
2
9
9
CP61
10K
63
5.0V(0V)
C F/R (NC)
63
62
5.0V(0V)
C MUTE (NC)
62
61
0V(5.0V)
CD MUTE
CP62
2.2K
61
0V(5.0V)
59
5.0V(0V)
58
CP60
2.2K
53
52
51
+B
+5V
+8V
+7.5V
DAP202
MA142W
02CZ11-X
U
A
02CZ18-Y
MA142W
02CZ4.3-
X
02CZ7.5-

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