Kenwood RXD-M31MD Service Manual page 15

F
PC BOARD (Component side view)
MD MAIN PWB-A (BOTTOM VIEW)
1
BK
CW1903
D1300
2
Q1300
Q1301
Q1303
TP1301
C1300
G D S
G D S
G
CHASSIS GND
TP1302
TP1303
3
TP1800
C1800
TP1204
R1809
14
13
1
11
4
C1120
10
5
4
CHASSIS GND
TP1125
C1115
TP1113
TP1132
TP1134 R1109 R1111
TP1133
TP1131
TP1126
R1110
R1108
TP1127
C1112
36
5
37
35 30
IC1101
40
45
5 10
48
C1105
1
C1104 R1103
C1101
TP1124
TP1107
TP1115
TP1102
TP1111
TP1110 TP1106
TP1137
6
1 2
RD BK
M902
MD SLED MOTOR
7
The numbers 1 to 19
Refer to the schematic diagram for the value of resistors and capacitors.
G
BK
MAGNET HEAD(32)
2 1
RECORD
TP1511
TP1411
TP1519
CN1300 C1803
TP1518
2 1
TP1515
TP1300
C1508
TP1606
TP1517
C1608
R1535
D
D1301
S
Q1302
R1410
30
31
25
20 15
35
IC1401
40
R1105
45
60
55 65
50
51
C1205
C1750
TP1201
100
1 95 90 85
5
TP1135
C1117
10
IC1201
TP1128
15
TP1213
TP1406
20
TP1200
TP1129
25 30 35 40
25
TP1130 TP1203
24
26
20 TP1117
TP1118
C1106
15 10
TP1112
13 6
TP1136
TP1119
12
TP1101
TP1108
TP1109
TP1100
IC1202
TP1103
C1103
TP1104
TP1105
11 15
CW1901
1
2
3
4
5
R1902
SW1952
DISC MEDIA
WRITE PRO
MD MECHANISM SWITCH PWB-B
are waveform numbers shown in page 12,13.
H
1
1
CN1501
5 10 15
1
TP1516
TP1509
TP1512
TP1500
TP1502
R1522
TP1514
TP1510
TP1504
TP1508
TP1501
TP1503 TP1505
R1707
TP1410
R1404
1 2 3
TP1217
IC1702
TP1218
1
R1401
TP1215
100
10 5
TP1415
TP1404
95
TP1405
R1414
90
TP1414
TP1407
TP1408
85
TP1409
TP1413
70 75
81
TP1412
80
R1429
TP1209 TP1207
TP1216
TP1212 TP1211
76
80
75
R1211
70
R1217
65
C1619
C1209
15
60
C1208
55
21
R1222
45 51
50 30
TP1900
TP1208
TP1214
TP1210
TP1205
C1602
22
TP1206
TP1202
1
C1603
5
R1606
28
C1604
TP1121
TP1116
16 20
SW1953
LEAD IN
R1904
SW1954
PLAY
R1903
SW1955
RECORD
SW1956
LOADING
R1901
MD SPINDLE MOTOR
I
28
CNW2002
28
TP1513
TP1521
TP1506
TP1522
20 25
R1513
TP1524
28
C1505
TP1525
C1502
TP1507
R1512
R1516
TP1523
TP1700
TP1703
TP1705
C1709
C1713
TP1702
C1700
C1712
C1710
TP1701
C1716
18
19
C1701
21
C1711
TP1278
TP1704
20
16
TP1706
2
CN1602
TP1601
1
15
TP1600
6
7
TP1901
9
TP1403
5
C1401
TP1402
17
TP1401
1
C1400
23
14 TP1400
22
TP1603
TP1602
TP1607
12
C1610
8
2
29
1
CN1603
3
R1616
7
2
C1613
TP1801
TP1605
CN1604
2
1
TP1122
1
TP1604
TP1123
8
1 2
RD BK
M901 M903
MD LOADING MOTOR
J
1 2
RD BK
15