Kenwood MDX-F1 Service Manual page 26

Md personal stereo system
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P
Q
MD MECHANISM (MDM-99)
+3.2V
+3.2V
C1407
0.047
1
4M/16M
2
64M
0.2V
3
LDVAR
4
ADJS
5
CIN
6
7
UNLOCK
8
BYTE
R1414
9
CNVSS
220K
10
STID OUT
11
R1407
SEACH OUT
3.3K
3.2V
12
RESET
13
14
VSS
IC1401
1.6V
15
MD-MECHA
15
MCCK
3.2V
16
u-COM
+B
+B
VCC
R1415
17
3.2V
1K
3.1V
18
18
DINT
0V
19
6
19
SFSY
0V
20
ST-ID
0V
21
21
SERCH
3.1V
22
MDRSW
23
CDB SEL
0V
24
24
DSENSE
R1462
0
R1409
25
25
P-DOWN
0
3.2V
26
HDON
0V
27
27
EEPRO
28
4.23
29
29
EEPK
30
30
EEPD
+3.2V
Q1403
Q1402
+3.2V
R
S
+4.8V
+3.2V
+3.2V
+3.2V
IC1701
AD/DA
CONVERTER
80
3.2V
XRST
79
C/N
78
5/3
77
DFS1
76
DFS0
75
DAPON
74
+3.2V
SBSY
73
R1444
A/B
10K
72
3.1V
+3.2V
LDON
71
EJECT
70
PCNT0
69
68
67
L3CLK
67
66
D1401
L3MODE
66
65
L3DATA
65
64
GND
C1411
63
INNER
0.022
R1443
1K
62
VCC
+B
61
CRTRO
60
59
SLOT5
Q1801
58
SLOT4
+3.2V
57
SLOT3
56
SLOT2
55
SLOT1
54
SYSD0
54
53
3.2V
SYSD1
53
52
SYSD2
52
+B
51
+
SYSD3
51
+3.2V
+3.2V
IC1402
C1403
4
3.2V
0.1
R1418 1K
0V
5
GND
30
SDA
3
3.2V
R1417 1K
6
0V
A2
29
SCL
2
E PROM
R1406 10K
7
2
0V
27
WP
A1
3.2V
3.2V
8
1
VCC
A0
0V
+3.2V
T
U
C1713
R1716
0.01
100K
+
C1705
0.1
+
C1715
0.1
+
+
C1716
47u4
+
ANALOG
IN
+
+3.2V
L1701
10uH
+3.2V
+3.2V
+3.2V
+4.8V
+4.8V
3.2V
+B
+3.2V
IC1601
MOTOR
DRIVER
+3.2V AVR
1
CH3IN
2
OUT3
3
IN3-
Q1804
R1806
R1809
R1811
+4.8V
4
VSS2
1
1
1
+B
3.9V
5
VM2
R1807
6
NC
27K
7
GND
3.3V
8
IN3+
8
9
IN3-
IC1801
9
4
3
10
IN3+
10
3.4V
4.8V
C1619
11
GND
330P
2
+4.8V
12
IN4+
12
5
13
IN4-
1
13
14
IN5+
14
15
IN5-
15
16
OUT5
17
IN5-
17
18
IN5+
18
19
IN4+
20
IN4-
21
OUT4
V
W
R1518
47
R1517
47
ANALOG
OUT
R1524
R1516
0
1.8K
R1515
1.8K
3.2V
5.0V
5.0V
Q1700
Q1702
R1714
L1502
+3.2V
+5.9V
+5.9V
4.7uH
R1711
12
C1501
+5.9V
12
R1539
1
6
R1712
120
IC1702
R1521
27K
1
3
OUT IN
4.3V
120
GND
2
L1501
+4.9V
Q1701
1uH
C1503
0.33
R1538
220
4.9V
34
R1537
4.8V
31
Q1805
R1520
220
+
47K
R1536
R1801
32
Q1800
R1523
1K
270
47K
R1535
4.0V
21
R1527
1K
Q1803
Q1806
47K
R1534
33
1K
R1533
5
1K
C1507
Q1802
0.047
12
Q1501
R1532
3.3K
R1510
25
1K
R1512
+3.2V
+B
47
+4.8V
R1529
R1530
220
R1525
0
0
+B
REG+
42
REGB
41
IN1+
40
40
VBS1
39
VM1
38
+B
IN1-
37
37
+
OUT1
36
VM1-
35
35
VM1+
34
34
GND
33
VM2+
32
32
VM2-
31
31
OUT2
30
GND
29
IN2-
28
28
IN2+
27
27
MUTE1
26
MUTE2
25
25
SS.GND
24
VREF
23
23
C1607
VREF0
22
1
Y39-3430-21
X
Y
DTA124EUA
2SC4081
DTC124EUA
CN1501
CW1501
R OUT
28
R OUT
AA.GND
BA3126N
27
AA.GND
L OUT
26
L OUT
AD.GND
25
AD.GND
R IN
24
R IN
AA.GND
23
AA.GND
L IN
22
L IN
DA204U
AVCC
21
AVCC
LOAD SW
20
LOAD SW
PCONTO
19
PCONTO
DVDD
18
DVDD
DVDD
17
DVDD
X09-A/8
D. GND
-CN8
16
D. GND
D. GND
15
D. GND
2/3
D. GND
14
D. GND
D. GND
13
D. GND
A
DSTB
12
DSTB
MODATA
11
MODATA
UN5212
KDATA
10
KDATA
SERCH
9
SERCH
DSCK
8
DSCK
MD-ST
7
MD-ST
TA7812S
RESET
6
RESET
PDOWN
5
PDOWN
BUCKUP
4
BUCKUP
DIGIN
3
DIGIN
GND
2
GND
DIGOUT
1
DIGOUT
S-80840ANY
IC1101
: IR3R55
IC1201
: LR376484
IC1202
: IX2474AF
IC1300
: 74ACT02T
IC1301
: FTD2005
IC1302
: CPH5608
IC1401
: IX0342AW
IC1402
: 58X2402T
IC1601
: M56788F
IC1701
: UDA1347
IC1702
: NJM431U
IC1801
: XC62EP32
Q1402
: UN2113
NJM431U
Q1403,1701
: UN2213
Q1501,1800,1802
: UN2214
Q1700
: 2SD601AR
Q1702,1801
: 2SA1162G
Q1803,1806
: UN221N
Q1804
: 2SA1242Y
Q1805
: 2SA1314C
D1300
: SBE803
D1401
: SB00703Q
D1402
: 1SS355
DIGITAL LINE
SIGNAL LINE
GND LINE
+B
B LINE
MDX-F1 (1/3)
MDX-F1

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