Kenwood DPX-6020 Service Manual page 18

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A
B
(X32-5030-01)
Q Q
3 7 6 3 1 5 1 5 0
BU5V
1
0V
5.0V
BU5V
2
S2 : 12cm DISC
DET.SWITCH
S1 : LOAD DET.
SWITCH
CN2
D.OUT
22
S2
SW2
21
S1
5.0V
BU5V
SW1
20
X1
16.93MHz
CP1 100
3
CLK
19
94
DATA
18
93
MECHA
17
5.0V
NC
16
BU+5V
15
BU5V
BU5V
D.5V SW
D.GND
14
Q4
BU5V
R47
10K
CP3 100
T E
L
1 3 9 4 2 2 9 6 5 1 3
MUTE R
13
87
MUTE L
12
86
4
CP2 100
MRST
11
89
MSTOP
10
91
MOTOR SW
to
X14-
Q5
CN3
D2
A.8V SW
Q3
A.+8V
9
A8V
8.0V
5
2.5V
IC6
(1/2)
R107
330
7
Lch
8
ACTIVE
FILTER
A.GND
7
R108
330
2.5V
1
Rch
6
IC6
(2/2)
6
LO/EJ
5
MOTOR
4
S.7.5V
3
A7.5V
S.GND
2
SW3
1
w w w
DAP202U
MA142WA
02CZ12-X
DA204K
MA142WK
02CZ18-Y
.
DA204U
02CZ3.6-Z
DTA114YUA
02CZ4.3-X
02CZ5.1-Y
7
02CZ6.2-X
02CZ6.8-Y
C
D
D5V
C25
C29
0.015
0.1
51
CSEL
52
TEST1
53
TEST2
4.8V
54
IOSEL
0V
5V
55
0V
NRST
56
BCLK
57
LRCK
58
SRDATA
59
SUBC
60
SBCK
61
DQSY
62
IC2
DEMPH
0V
63
TX
CD SIGNAL
64
PROCESSOR
PSEL
65
bult in u-COM.
MSEL
66
SSEL
67
DVDD1
68
X1
69
X2
70
DVSS
71
XSUB1
72
XSUB2
73
DVDD2
5.0V
74
NC
75
NC
0V
4.8V
R52
C46
R54
100K
0.047
100K
C85
D3
0.1
BU5V
BU5V
Q2
PON SW
5V AVR
5.0V
IC5
A8V
IN
OUT
+5V
GND
0V
R125
20K
R121
R117
8
6
20K
20K
5
2.5V
+5V
3
2
4
R122
R118
20K
20K
R126
20K
A7.5V
S3
DOWN & LIMIT
SWITCH
x
a o
y
02CZ7.5-X
DA227
LB1641
02CZ8.2-Y
i
E
F
D5V
8
BU5V
0V
R36
C26
25
150
1
PLLF
R34
68K
1.8V
24
1.4V
IREF
RF
AMP
23
2.5V
IC1
DSLF
22
0V
DRF
21
ARF
20
2.5V
VREF
19
2.5V
RFENV
19
18
NC
17
NC
16
NC
2.5V
15
15
TE
14
NC
13
FE
NC
12
2.5V
FE
12
11
3.0V
TBAL
11
TE
10
2.5V
FBAL
10
9
5.0V
AVDD3
BU5V
8
0V
15
AVSS3
7
NC
6
NC
5
R218
LDON
47K
4
0V
47
5V
VDET
4
3
0V
0V
RFDET
3
2
0V
OFT
2
1
0V
BDO
1
92
Q
Q
3
7
6
3
GAIN
CONTROL SW
D4
TVD
R76 6.2K
2.0V
5.0V
BTL
2.5V
DRIVER
IC4
C45
0.015
ECS
R77
R78
56K
24K
8.0V
A7.5V
u 1 6 3
PST9142NR
TC74HC4050AFT
BA033LBSG
.
G
H
2
4
9
D5V
9
8
C23
ARF
1000P
D5V
D5V
RF
R11
C5
R12
10K
15P
9.1K
C7
C6
0.1
2P
5.0V
0.8Vpp
2.5V
0.1V
IOP-
1.2Vp-p
0.8Vp-p
0V or 5.0V
IOP+
2.5V
D1
TE
R17
R19
43K
51K
R18
C16
C18
3.9K
150P
220P
FE
C14
4700P
D5V
1
5
1
5
0
8
9
2
4
LOAD
(X92- )
SLED+
R72
C43
1K
0.015
DM2
M
12
TRK+
11
4.0V
2
4.0V
LOADING & SLED
1
EJECT
SLED-
MOTOR
TRK-
FCS+
4.0V
27
4.0V
26
(X92- )
SPDL-
FCS-
DM1
M
18
17
SPINDLE
MOTOR
SPDL+
m
c o
UPC29L33T
I
J
2
9
9
C4
10u6.3
+
APC
Q1
(X92- )
PU1
(T25-0215-05)
OPTICAL
PICKUP
CN1
31
1
D
32
2
B
29
3
C
30
4
A
5
GND
6
6
LD
1
7
PD
R5 360
8
VR
9
VC
D5V
D5V
10
VCC
27
11
F
28
12
E
9
8
2
9
9
27
13
FCS+
2
14
TRK+
1
15
TRK-
26
16
FCS-
IC1
: AN22000AA
IC2
: MN662773KF1
IC4
: BA5917AFP
IC5
: TA78L05F
IC6
: NJM4565MD
Q1
: MCH6101
Q2,5
: DTC124EUA
Q3,4
: 2SA1362(Y)
D1,2,4
: DAN202U
D3
: DA204U
SIGNAL LINE
+B
+B LINE
CAUTION : For continued safety, replace safety
critical components only with manufacturer's rec-
ommended parts (refer to parts list).
!
Indicates safety critical components. To re-
duce the risk of electric shock, leakage-current or
resistance measurements shall be carried out
(exposed parts are acceptably insulated from the
supply circuit) before the appliance is returned to
the customer.
• DC voltages are as measured with a high
impedance voltmeter. Values may vary slightly
due to variations between individual instru-
ments or/and units.
DPX-6020

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