Kenwood W8027 CD Player User Manual


 
KDC-MP925/W8027
30
BCBBBAAZAY
1
2
3
4
5
6
7
X32-5540-00 (2/2)
CAUTION : For contin-
ued safety, replace
safety critical compo-
nents only with
manufacturer’s recom-
mended parts (refer to
parts list).
Indicates safety criti-
cal components. To re-
duce the risk of electric
shock, leakage-current
or resistance measure-
ments shall be carried
out (exposed parts are
acceptably insulated
from the supply circuit)
before the appliance is
returned to the cus-
tomer.
DC voltages are as
measured with a high
impedance voltmeter.
Values may vary
slightly due to varia-
tions between indi-
vidual instruments or/
and units.
47K
10K
10K
47K
3.3V
3.3/0V
0/3.3V
3.3V
3.3V
0/3.3V
0V
0V
3.3/0V
3.3/0V
0V
3.3/0V
3.3V
0V
3.3/0V
3.3V
3.3/1.65/0V
0V
3.0/0.3V
1.65V
3.3V
1.0Vp-p
1.7Vp-p
1.7Vp-p
1.65V
1.0Vp-p
0V
1.0V
0.3Vp-p
1.65V
3.3V
1.65V
0V
3.3V
0V
3.3V
(DA) 3.3V
(MP3) 0/3.3V
3.3/0V(MP3)
(DA) 3.3V
3.3V
0V
0V
3.3/0V
0/3.3V
3.3/0V
(DA) 3.3V
(MP3) 0/3.3V
3.3V
2.5V
0V
0V
(DA) 0V
(MP3) 0/3.3V
0V
0V
2.5V
0V
1.35V
2.5V
0V
0V
3.5/0V
1.0/0V
1.65V
0V
3.3V
7.5V
4.0V
4.0V
7.5V
0V 1.65V
7.5V
3.3V
0V
3.3V
0/3.3V
0/3.3V
1.65V
0V
IC3
IC2
IC4
DPU1(X92- )
OPTICAL
PICKUP
IC8
MM
:IC3 TC94A20F-010
Q10
Q9
D2
D3
:
:DAN202UF
DA204UF
Q8
Q1,4
Q6
Q7
Q3,5
Q9,10
IC6
IC5
IC4
IC9
IC8
IC7
DTC124EUAF
DTC114YUAF
: 2SK3018F
:
:
:
:
UMD12N
2SB0970
UMD9N
:
XC6219B332MR
NJM2880U133
XC6219B252MR
TAR5S33-F
:
:
: BA5824FP-F
:
:
TC7SH08FU
:
CN2
IC1
IC2
91CW12AFG-4VF6
UPD63712GC
:
:
RF AMP/SERVO
PROCESSOR
CD SIGNAL
4ch BTL DRIVER
MP3/WMA
DECODER
GND LINE
SIGNAL LINE
B LINE
SW
DM1 DM2
SPINDLE
MOTOR MOTOR
LOADING & SLED
SELECTOR
(SERIAL DATA)
(X92- )(X92- )
ASY
100K
CP12
STANBY
LRCKIB
K
D
1
D
D1
T
N
D1
N
D2
C
T
D
D2
D
D
2
PO1
VSS1
RO
0
1
PO0
9
8
7
TESTP
TXO
VSSR
VRAR
5
4
6
3
2
LO
1
VDAL
VDAR
VRAL
VSSL
7
0
9
8
VDD1
16K
29
VDDT2
41
R65
C44
0.1
36
34
33
PO2
PO3
35
38
37
40
39
PO5
PO4
REQ
PO6
VSS2
CP13
100K
C33
0.1
100K
FI1
44
42
IRQ
VDDM
43
FI0
46
45
48
47
PI0
VSSM
VSS3
PI1
49
50
PI2
PI3
C37
1000P
10
LRCKIA
SDI1
SDI0
BCKIA
LRCKO
BCKIB
15
16
14
12
13
11
MILP
MICK
MIDIO
MICS
MIMD
SDO
BCKO
VDDT1
MIACK
6
8
9
7
R23
10K
4
5
3
2
59
C41
0.33
TSTIN
51
52
53
PI4
VDD2
PI5
100K
CP14
56
55
54
57
58
VSSP
FI2
PDO
VCOI
VDDP
330
CP15
100K
R48
R49
330
0.1
C43
RESET
61
60
62
63
64
XI
VDDX
CKIO
XO
VSSX
1M
100K
R47
R46
1
100
R42
58
C42
0.1
R61
18K
R58
52
R59
4.7K
13K
SPD-
C52
2.2
SPD+
SLD+
SLD-
8
23
13K
SLD+13 SPD+
F+
F-
14
15
FO+
FO-
TR+
TR-
17
16
SPD-
VCC1
MUTE
GND
11
12
13
12
10
9
20
SLD-
VCC2
19
18
CNT
GND
21
22
18
T+
T-
19
22
100
R50
C56R62 R60 C58
SPIN-
GND
SPIN
1500P
C63
7
6
SLIN
LO/EJ
24
25
SLIN-
26
SPIN+
FDIN-
FDIN
330P
C57
4
5
3
2
SLIN+
27
TDIN
TDIN-
28
4700P
24
4.3K
R63
12K
R56
12K
R57
330P
13K
56
54
R55
10K
LRCK
DIN
DOUT
LRCKIN
SCKIN
SCKO
FLAG
DVDD3
LIMIT
XTALEN
DGND2
TX
EMPH
PLCK
SHOCKD
LOCK
WFCK/MIRR
PFCK/HOLD
C16M
DGND3
FZD
LZM
TZD
RZM
DVDD2
39
C27
0.1
20
6
17
18
16
C29
0.1
28
27
26
FZD
32
LOCK
30
29
TZD
31
R39
1.5K
33
34
HOLD
MIRR
37
38
36
35
1000P
C72
CP16
2.2K
5
R52
47
FLAG
42
40
41
46
45
44
43
0.1
C39
0.1
C50
48
49
50
56
SD+
TD+
FD+
DVDD4
TD-
55
54
FD-
51
52
53
MD+
MD-
59
SD-
57
58
64
TEST2
TEST3
TEST4
TESTEN
DGND4
63
62
60
61
EFM
TEST0
TEST1
ADGND
67
68
66
65
C62
1500P
C61
1500P
BIAS
1
VCC
30
R53
12K
52
54
56
10K
CP10
58
C60
1500P
4.7K
CP11
C59
1500P
C55
0.01
R54
33K
D
1
D
1
3300P
89
88
93
91
92
90
97
96
95
94
99
98
TE2
TEO
AGND2
TEC
PWMSW
FEO
TE-
ADCIN
VREFIN
AVDD2
FE-
REFC
REFOUT
C34
56P
270K
R40
TE
C30
1500P
Vref
FE
47P
C31
R70
1K
1
C53
C35
0.1
R43
39K
78
76
77
83
79
82
81
87
85
86
84
A
E
C
B
D
F
R51
73
EQ1
EQ2
ADVDD
C49
3.9K
72
RFI
71
69
70
RF2-
RFO
AGCI
C3T
AGND1
ATEST
AGCO
C48
4P
75
RF-
74
87
E
3K
R44
6800P
C38
R45
86
F
3K
RF
6800P
C46
0.1
C47
FCS+
FCS-
TRK-
TRK+
8E86
ARF
C54
0.01
C18
0.1
14T+
F-
T-
16
15
87
B
F
A
GND
F+
11
9
13
10
12
PD
C
VR
LD
GND
5
7
6
4
3
R64
240
VC
VCC
2
1
13
12
19
18
Q9,10
33P
C51
80
0.1
C32
ATEST
L1
13
12
100K
R33
100K
R32
100K
R31
2
3
1
B
YGND
A
4
VCC
5
CP9
100
C45
0.1
C36
0.1
R66
4.7K
X32-5500-01
X32-5540-01
X32-5500-00
X32-5540-00
UNIT No. S4
NO
YES