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Kenwood DPC-MP727 Service Manual page 9

Portable cd player
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A
B
(X32-3890-11)
CD MECHA
(D40-1735-05)
Q Q
3 7 6 3 1 5 1 5 0
CN3
PICKUP
GND
16
CN581
R209 3.3K
PD2
15
1
16
GND
F
14
F
R210 3.3K
PD2(B+D)
PD1
13
15
E
12
VC
11
PD2
1.5V
PD1
14
F
2.9V
PD1(A+C)
13
VCC
10
+B
E
NC
9
12
E
1.8V
VC
11
VC
LDLD
8
VCC
10
VCC
LDGND
7
9
NC
LDPD
6
R197 91
8
LD
VR
5
FCS+
4
8
7
LD GND
TRK+
3
9
TRK-
2
11
LD
5
PD
2
FCS-
1
6
6
VR
PD
VR
4
FCS(+)
FOCUS COIL
TRK(+)
3
TRK(-)
2
TRACKING COIL
1
FCS(-)
3
T E
L
1 3 9 4 2 2 9 6 5 1 3
4
SLED MOTOR
CN551
CN4
SLED(+)
M
6
6
24
SLED(-)
22
5
5
STL SW
LIMIT SW
4
4
LIMIT SW
3
3
DISC MOTOR
SPINDLE(+)
M
2
2
27
SPINDLE(-)
1
1
25
5
CAUTION: For continued safety,
replace safety critical components only
with manufacturer's recommended parts
(refer to parts list).
indicates safety
critical components. For continued pro-
IC1
: XC61CC1802NR
tection against risk of fire, replace only
IC3
: 320DA150PGE
IC4
: MN102H60KHA
with same type and rating fuse(s). To
IC6
: S-80824ANUP
IC7,12
: TC74VHC175FT or
reduce the risk of electric shock, leak-
SN74LV175APWR
IC8
: HD74LVC08T
age-current or resistance measure-
IC9,11
: TC74VHC74FT or
6
ments shall be carried out (exposed
SN74LV74APWR
IC13
: M11L1644SA-50T or
parts are acceptably insulated from the
M11L1644SA-60T
IC14
: AN83899SA-E1
supply circuit) before the appliance is
IC15
: MN662782RPT1M
returned to the customer.
IC16
: AN8746SA-E1
w w w
IC17
: XC6368A303MR
IC18
: LA4533M
IC19
: S-80845ANUP
The DC voltage is an actual reading
IC20
: MB3800PFV
measured with a high impedance type
IC21,22
: TC7SHU04FU
IC23
: XC6365D102MR
voltmeter. The measurement value may
IC24
: XC62GR3012MR
IC26
: NJM2125F
vary depending on the measuring
instruments used or on the product.
Refer to the voltage during PLAY unless
otherwise specified; The value shown in
7
(
) is the voltage measured at the
moment of STOP.
C
D
38
33
31
PD IC
R62 100K
CONT.
30
+B
R67 47K
Q2
29
32
R66
C37
0.6V
33
47u6.3
1K
C60
R65
4700P
+
39K
IC14
C19
1P
C49
RF AMP
0.22
R59
6.2K
36
35
37
34
+3V
+3V
Q4
C52
33P
2.8V
Q42
2.1V
Q3
LASER DRIVER
78
+1.6V
C71
1
+3V
+1.6V
IC16
3.0V
Q20
MOTOR
DRIVER
0.6V
1.6V
3.0V
DRIVER
ON/OFF
1.6V
+1.6V
C93
1
+1.6V
+1.6V
3.0V
D6
L1 330uH
8.1V
+7.7V
+3V
R92 10K
0.1V
Q21
C129 330P
0.6V
DRIVER
GATE VOLTAGE
Q22
SIGNAL LINE
Q1,3,26
: 2SA1576A (R,S)
GND LINE
Q2,4,20,24,29,37,42
: DTA114EUA
+B
B LINE
Q6,13,31,34
: DTA113ZUA
Q7,18,19,25,35
: DTC114EUA
Q8,14,15,21
: 2SD1757K
Q9,32,40
: DTC113ZUA
Q16,17
: 2SD2098 (R,S)
Q22,38,39,41
: DTC114TUA
Q23
: 2SB1386
Q27
: UMX1N
Q28
: XP152A12C0MR
Q30,36
: CPH3106
Q33
: 2SD2153 (V,W)
D1-4,6,14
: RB451F
x
a o
D7,10
: RB411D
D8
: RB160L-40
D11
: CMS06
D12
: UDZ7.5B
.
D15
: MA111 or
i
1SS355
E
F
+3V
C56
0.1
3.0V
CMOS
LOGIC
IC22
3.0V
1
5
NC
VCC
+B
2
A
3
4
GND
Y
1
+B
+B
DVDD3V
2
2
D0
3
3
D1
4
4
NWE
5
5
NRAS
6
6
D2
7
7
D3
8
IC13
8
NCAS0
9
9
NCAS1
10
10
A8
11
11
A7
12
12
A6
13
13
A5
14
14
A4
15
15
A9
16
16
A0
17
17
A1
18
18
A2
19
19
A3
20
DVSS2
+3V
+3V
Q34
L9
2.3V
+B
R1
100K
Q
Q
3
7
Q35
3.0V
37
CVSS
38
38
BCLKR1
39
93
HCNTL0
40
DVSS
41
BCLKR0
42
BCLKR2
43
BFSR0
44
BFSR2
45
BDR0
46
94
HCNTL1
47
BDR2
48
48
BCLKX0
49
BCLKX2
50
CVSS
51
80
HINT
52
CVDD
53
L10
53
BFSX0
47uH
54
BFSX2
55
100
HRDY
56
DVDD
57
DVSS
58
84
HD0
59
59
BDX0
60
BDX2
61
IACK
62
96
HBIL
63
NMI
64
+B
INT0
65
INT1
66
INT2
67
+B
INT3
L8
1.6V
68
+B
CVDD
69
Q36
85
HD1
70
POWER
CVSS
71
ON/OFF
BCLKX1
72
DVSS
u 1 6 3
y
+B
+B
+1.6V
G
H
+3V
2
4
8
9
R83
10K
X2
16.93MHz
60
TX
59
EXT2
58
EXT1
57
EXT0
56
IPFLAG
55
FLAG
54
TMOD2
53
TMOD1
R94 47K
52
FSEL
51
AVDD1
50
R96
R97
IC15
OUTR
680
680
CD DSP
49
AVSS1
R101
R102
48
680
680
OUTL
47
AVSS2
46
AVDD2
+B
C155 0.01
45
R100 2.2K
C87 0.47
VCOF
44
R99 220
C86 0.22
PLLF
43
R89
DSLF2
42
68K
DSLF
C78 0.1
41
ADPVCC
R81 91K
C74 0.1
R84
C79
100K
0.022
70
41
+B
+B
+B
6
3
1
5
1
5
0
8
144
DVSS
143
A21
142
CVDD
+B
141
A9
140
A8
139
A7
138
A6
137
A5
136
A4
135
HD6
90
134
A3
133
A2
132
A1
131
A0
130
DVDD
129
HDS2
128
DVSS
127
IC3
HDS1
99
126
DSP
CVSS
125
(MP3/WMA DECODER)
CVDD
+B
124
HD5
89
123
D15
122
D14
121
D13
120
HD4
88
119
D12
118
D11
117
D10
116
D9
115
D8
114
D7
113
D6
112
DVDD
+B
111
CVSS
110
A20
109
A19
R163
220
m
c o
2.3V
.
+B
+B
+B
+1.6V
I
J
+3V
2
9
8
9
9
+3V
LIPPLE
FILTER
Q26
3.0V
+3V
+B
2.3V
2.7V
Q27
2.8V
R176
6.8K
2.2V
R171
100
+B
+B
C102 4.7u35
R113
+
36K
IC18
10
1
MUTE
PSW
R109
C97 4.7u35
36K
2
9
IN1
OUT1
+
3
8
PRGND
PGND
4
1.4V
IN2
7
OUT2
5
6
Q39
REF
VCC
C83
3.0V
4.7u6.3
R181 47K
+
1.4V
POWER
HEADPHONES
ON/OFF
Q38
AMP
Q37
R80
10
1.4V
R202
510K
Q41
+3V
3.0V
9
2
4
9
8
2
9
9
CMOS
LOGIC
CMOS
IC7
LOGIC
4
2
D1
+3V
3
IC9
3.0V
5
7
D2
(1/2)
4
6
12
PR
D3
10
2
14
D
VCC
13
11
D4
15
3
7
CLK
GND
14
5
Q
9
16
6
CLK
VCC
Q
1
8
CL
CLR
GND
1
+3V
+3V
IC9
14
14
14
12
4
12
(2/2)
10
11
6
11
PR
13
5
13
12
14
7
7
7
D
VCC
7
GND
11
IC8
IC8
IC8
CLK
9
(4/4)
(2/4)
(3/4)
Q
8
Q
CL
IC12
13
4
2
D1
Q1
3
Q1
+3V
5
7
D2
3.0V
Q2
6
12
Q2
D3
10
Q3
IC21
13
11
D4
Q3
CMOS
15
Q4
LOGIC
14
Q4
9
16
CLK
VCC
1
8
CLR
GND
+3V
R8
330
+1.6V

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