Kenwood DPC-MP727 Service Manual page 10

K L
(X32-3890-11)
Q Q
3 7 6 3 1 5 1 5 0
+3V
1.4V
C105 R120
220u4 22
+
C107 R122
220u4 22
+
Q15
Q9
R115
680
5.8V
Q6
Q14
C113
100u6.3
+
+3V
57
58
T E
L 1 3 9 4 2 2 9 6 5 1 3
+3V
3.0V
14
1
3
2
7 IC8
(1/4)
C33
0.1
+3V
D14
ADPT:0.2V
BATT:3.0V
IC11
Q28
(2/2)
+B
CMOS
R174 1M
3.0V
LOGIC
IC24
CMOS
5
VOUT VSS
LOGIC
VIN
4
NC CE
CMOS
LOGIC
R49 220
36
R50 220
38
+1.6V
R51 220
35
C119 47u6.3
IC11
+
(1/2)
IC23
+3V 4
C36
2.5V
0.1
5
0.1V
3.0V
+3V
DC/DC
CONVERTER
w w w (DSP 1.6V)
Q18
.
+1.6V
M N
+B +B
C147
VOLUME
VR1 0.01
S1
+3V
HOLD
SW
C151
0.1
51
LCDSD
52
LCDRMC
53
P85
54
+B VREF+
55
P86
56
P87
57
57 MP3 MLD
58
58 MPS RESET
59
59 DATASTOP
60
P93
61
AVSS
R24 10K
D1
62
KEY1 IC4
63
KEY2
u-COM
D2
64
KEYEXT
65
RCHDET
C152
0.1
66
+B VDD
67
C148 P70
68
22u6.3
P71
+ 69
P72
70
70 3T
71
71 OFTR
72
P75
R17 47K
73
PUP1
R21 47K
74
PUP2
R18 47K
75
NM1
D4
D3
76
R35
78
330K C20
0.01
+B
5.8V
6.2V
Q29 Q7
0V
L2
ADPT:5.5V
D7 47uH
BATT:3.0V R110 200K
+B +B
C99
IC17
1000P 0V +B
Q31
R112
1 5
+B
VOUT EXT
2 470
VDD
1 Q8
3 4
2 CE GND
5.8V
+B
IC1 Q32
3
R177 2.2K 1 4
5.5V
VOUT VSS
2 3
VIN NC
L3 +B
+B +B
22uH
5.8V
Q23
L5
C118 C117 C122
0.1 100u16 0.1
+
C134
Q19
1000P
3
CE GND
2
R168
VDD +B
1 470
EXT
VOUT
5.4V
5.2V
+3V +B 0.3V
3.0V
Q16
DC/DC
3.0V CONVERTER
ADJ. (SYSTEM)
IC20
Q17
x a o
R133
y
10
i
O P
3.0V 8
+B
25
MODE +B
R7
100
24
OSC0
X1
16.93MHz
23
OSC1
22
VDD
21
XO
20
XI.PB1
19
VSS
18
PB0
17
VDD +B
16
P23
15
P22
14
C6
P21
100u4
13
P20
+
12
P57 C5
11 0.1
P56
10
C4
P55
9
0.1
P54
8
P53
7 C3
P52
0.1
6 Q1
P51
5
RESET
P50
IC
4
P63
3
IC6
P62
2
3
P61
VSS
1
P60
LID
2
SW
VDD
1
OUT
J1
R195 R194
R/C OUT
3.0V
1.8K 7.5K OUT
+B
J2
Q Q
3 7 6 3
C133
HEADPHONES
1000P OUT
R192 100K
8 NC
C149 0.01
7 GND
R159 100
6 KEY2
R158 180
5 KEY1
2.5V
4 VCC
R39 220
3 DATA
3.0V
2 GND
1 FGND
Q25 CN5
Q24
0V
POWER ON/OFF
(LCD)
R139 100K
ADPT:
5.8V
Q30 J3
D8
6.2V
+B +B
Q13
0.4V
5.1V
0V
1
Q40
OUT
2
5.8V INNER BATT
VDD
3
VSS
R140 R129 P1
IC19
100K 200K
CHARGE
VOLTAGE DETECTOR
BATT+
+B +B 1
C110 BATT-
2
0.1
+B D11
EXB
3
COMPARATOR CN6
0.5V
IC26
EXT BAT
C138
0.01
R183 R185 R184 Q33
24K 220K 390
R186
47K
u 1 6 3
.
Q R
(B38-0245-05)
LCD (SEGMENT)
2 4
9 D.A.S.C. B.BOOST RANDOM 9
LCD (COMMON)
D.A.S.C. B.BOOST RANDOM
27
SEG38
28
1 5 1 SEG39 5 0 8 9 2 4
29
SEG40
30
S9 SEG41
31
SEG42
32
S8 SEG43
33
SEG44
34
S7 SEG45
35
SEG46
36
S6 SEG47
37
SEG48
38
S5 SEG49
39
SEG50
40
S4 SEG51
41
IC1
SEG52
42
S3 SEG53
43
SEG54
44
S2 SEG55
45
SEG56
46
S1 SEG57
47
SEG58
48
S0 SEG59
49
SEG60
50
SEG61
51
SEG62
52
SEG63
53
COM9
54
COM10
55
COM11
56
COM12
BT1
R7 8.2K R6 5.6K R5 4.3K R4 3K R3 1.8K
C2 0.1
BT2
FB FF SKIP SKIP UP STOP PLAY/
DOWN PAUSE
R8 8.2K
m
c o
DASC MODE
8 7 6 5 4 3
IC1 : ML63187-B13WA
Y22-8540-10
S T
2SA1576A
1 ALL
2
8 C 9 9
FOLDER
2SD2153
CPH3106
2SD1757K
1 ALL
C
FOLDER
DTA114EUA
DTC114EUA
UMXIN
111
SEG11 S28
9 8 2 9 9
110
SEG10 S29
109
SEG9
RB451F
108
SEG8 S30
107
SEG7 S31
106
SEG6
105
SEG5 S32
104
SEG4 S33
103
SEG3
102
SEG2 S34
101
SEG1 S35
100
SEG0
99
COM8 C1
98
COM7 C2
97
HD74LVC08T
COM6 C3
96
COM5 C4
95
COM4 C5
94
COM3 C6
93
COM2 C7
92
COM1 C8
91
PB3
90
PB2
89
PB1
88
PB0
87
PE3
86 TC7SHU04FU
PE2
85
PE1
84
PE0
83
VDDI
MB3800PFV
+B
C1 1000P
TC74VHC74FT
2 1
CN1
DPC-MP992/MP727
DPC-MP727/MP922