Kenwood W8027 CD Player User Manual


 
KDC-MP925/W8027
29
AT AU AV AW AX
1
2
3
4
5
6
7
X32-5540-00 (1/2)
22K
22K
47K
47K
47K
47K
3.3V
0V
0V
3.3V
0V
0V
0V
3.3V
0/3.3V
(DA) 3.3V
(MP3)
(MP3)
(DA) 0V
(DA) 3.3V
(MP3) 3.3/0V
(DA) 3.3V
(MP3)
3.3/0V
3.3V
3.8/0V
0V
2.4/0V
3.3V
3.3V
3.3V
0.3V
0V
0/3.3V
(DA) 0V
(MP3)
0/3.3V
(DA) 0V
(MP3)
3.3V
0V
3.3V
3.3V
3.3/0V
3.3V
3.3V
3.3V
0V
3.3V
0.2V
0V
3.3V
3.3V
0V
3.3V
3.3/
0
0/3.3V
0/3.3V
3.3/0V
0/3.
3
3.3V
0V
0V
3.3V
0V
1.65V
3.3V
3.3V
0V
3.3V
0V
2.5V
0V
0V
2.5V
0V
4.0V 3.3V
3.3V
4.5V
0V
2.5V
4.5V
5.0V
5.0V
0V
3.3V
3.3V
1.3V
0V
8.0V 3.3V
0V
3.3V
0V
3.3V
1.65V
1.65V
3.3V
1.5V
IC1
CD PLAYER UNIT (X32-5500-00/01,5540-00/01)
IC5
IC7IC6
IC9
D2
Q6
Q7
Q8
D3
MECHANISM
MICRO PROCESSOR
CONTROL
APC
LEVEL SHIFT
5.0V)(3.3V
Q4
AVR
SW3.3V
S3
LOE/LIM SW
8EJE SW
to MAIN UNIT
S4
Q3
Q5
S1
S2
CN1
12EJE SW
LOS SW
Q1
BU2.5V AVRBU3.3V AVR
DAC3.3V
AVR
5.0V)(3.3V
LEVEL SHIFT
5.0V)(3.3V
LEVEL SHIFT
LEVEL
(3.3V
5.0V)
SHIFT
25
NC
LOE/LIM SW
SEARCH
6
1000P
100K
CP12
STANBY
LRCKIB
INTQ
RFOK
RST
A0
STB
SCK
DVDD1
DAVDD1
SO
ROUT
DAGND1
DAGND2
REGC
LOUT
DAVDD2
XVDD
XGND
XTAL
XTAL
32
PO1
VSS1
C19
RO
C64
0.1
30
31
PO0
29
28
27
4.7
TESTP
TXO
VSSR
VRAR
25
24
26
23
22
LO
21
VDAL
VDAR
VRAL
VSSL
17
10K
R28
20
19
18
VDD1
R68
100K0.1
C20
NC
76
BOOT
73
72
71
75
74
R7
100K
R13
1K
86
R11
100K
85
82
83
84
C11
0.1
MSTOP
POND3.3
NC
NC
NC
NC/BOOT
NC
80
77
79
78
81
82
SCL
86
MUTEL
SDA
MUTER
84
83
85
NC
NC
NC
NC
NC
92
NC
87
NC
DVCC
DMUTE
91
88
89
90
DVSS
NC
NC
MSEL
93
95
94
NC
59
67
66
65
70
69
68
C10
0.1
60
61
64
63
62
53
55
54
58
57
56
52
51
DVCC
NC
NC
NC
NC
NC
NC
NC
NC
NMI
DVSS
NC
NC
NC
NC
NC
NC
NC
NC
720STBY
25
R17
100K
C13
0.1
VREFL
96
SEL0
CHSEL
ASEL
97
98
99
VREFH
SEL1
100
4
6
5
20RST
20ACK
1
2
3
AVSS
AVCC
NC
5
6
0.1
C15
C16
4.7
20LP 17
12
7
8
9
NC
20INT
FOGUP
LZM
NC
10
11
20CS
RZM
NC
NC
16
15
13
14
10
100K
R27
12
16
100K
13
CP6
DSPTXD1
20TXD0
20RXD0
20SCLK0
20
18
19
17
DSPSCLK1
AM0
DVCC
DSPRXD1
24
23
21
22
13
TXD1
18
100
R18
20
11
12
RXD1
1K
CP5
0.1
C25
16.898MHz
220
R38
12P
C66
X1
C67
18P
21
22
23
24
10K
10
C17
15
17
16
19
18
20
9
11
10
9
R22
13
12
10
11
13
14
SI
12
CP7
1K
R29
8
1K
7
10K
R21
7
8
RFOK
DVDD2
C29
0.1
27
26
LD
PD
PN
DGND1
AVDD1
100K
R69
RST
45
FLAG IN
50
46
49
48
47
NC
NC
NC
NC
NC
41
44
42
43
NC
ALE
NC
40
100K
R12
10DSPSTB
39
35
9
38
37
7
8
36
DSPA0
DSPRST
DSPINT
EMU1
34
30
NC
33
32
RESET
EMU0
NC
31
RESET
100
R10
10
C12
29
28
X1
AM1
27
26
X2
DVSS
16.000MHz
X2
0.1
C14
0.1
R35 100K
4.7
R34 4.7K
2
C21
C26
0.1
3
4
5
1
R36
IOP1 IOP2
C28 10
R37
97
96
99
98
100
TE2
TEO
AGND2
TEC
PWMSW
T
E
C30
10K
1500P
10
7
Q6
R9
LOE/LIM-SW
1/2W
S7.5V
S.GND
21
LO/EJ
MOTOR
D.GND
D.GND
5
D5V
43
D5V
6
22
24
7
BU5V
10 89
0.1
C5
0.01
1
C7
C6
5.6
R2
100
10
Q3,5
22K
8EJE-SW
MRST
MSTOP
111213
A.GND
MUTE R
MUTE L
R ch
16 15 14
100K
CP1
L ch
1718
A8V
19
R5
39K
R8
RST
R6
86
82
CP3
100
83
100K
LOS-SW
12EJE-SW
D.OUT
DATA
20
CLK
212224 23
CP2
100
10K
84
85
CP4
VOUT
VIN
GND
CNTL
1
2
NB
3
5
4
R25
4.7
1
C23
R24
4.7
C22
1
CP8
1K
VOUT
1
3
2
VSS
CE
VIN
NC
4
5
1
C4
C9
1
C3
1
VOUT
1
2
3
VSS
VIN
CE
5
NC
C8
4
1
IN
1
2
3
GND
CTL
NIS
5
OUT
4
R4
330
330
R3
2200P
C2
2200P
C1
2.2
C69
2.2K
R67
0.01
C68
10
R1
R14
100K
100K
R15
100K
R16
10
C71
C70
1
L2
0.1
C24
Q1,4