Kenwood DMF-3020 Service Manual page 9

F G
PC BOARD(Component side view)
1
2
X25 E/5
F1
T8006mAL250V
W278
W279
3
CN10 CN11
VL VL DIG DIG ANA GND ANA F F
4
2 S20
1
5
POWER
X25-6180-00 A/5
X25 C/5
1
ED1
6
Q33
STANBY
Q39
REC OFF
D39
S18
R103 R104
R237
7
Refer to the schematic diagram for the value of resistors and capacitors.
H I
DIGITAL REC IN
DIGITAL PLAY OUT
OPT. COAX. COAX. OPT.
P2
R137R138 R134
C85
C77
C74
C75 R262 C81 D22
R144
A1
RX
TX TX A2
J2 R146
C78 D32
C80
R152
W264 C82 D31
DIGTAL
C88
IN/OUT
8 14 8 14
C3
IC21
IC26
7 1 7 1
W247
R30
R143
C86
E6
W262
R139 R154
C4
W261
W260
W277
C36
R57 C35 W257
W256
R56
D21
W255 VL
W232
R58
R24
W254 VL
W231
D41 W251 DIG
R27 W230
W250 DIG
W229
E B
C54
W228
Q13
W259
D20
W227
W258
D19 W234
C39
W270 C20 Q6
B E
R23
B B E
W276
E
R9
G
R10 D S
Q40
D12
D13
O
D8 C22
W252
G
R11
B E I
Q4
C23
R271
C179
C26
D14
B I
G
Q14
W239
E O
E B W238
E B W249
Q15
C28
B E
W268
R16
B E B E
E B
Q10 W237
1
C31
W242 IC37
E B
W274
W241
14
B E
R19
W245
W244
70
32 33
W96
W95
17 48
IC23
16
49
R114 C63
1 64
W100
C59
R110 R111 R112
C65
PLAY
INPUT
INPUT
TITLE MONITOR
REC
S15 S16 S17
R105
R106 R107
J K
SYSTEM CONTROL
D26
J3
DAC W123
E
C180
W291
C91
B
C6
W222 C7
R243
W218
D G S 22.5792MHz
1
Q2 X1
8
W199 1 14
R1
C187
C9 IC41
5
E B D30 R175
4
R6 C12
28 15
I O
IC1
E B
ICP-N10
I O W189
IC2
L1
W188 R160
ICP-N10
C100
C171 C170
W168
34 C182 W148 R100
R258 33 R177
24BIT
R161
D.R.I.V.E. R162 C173
23 C130 W102
44
C172
IC40 R166
22 1 7
1
R259
IC22
12 11
R179 14 8
W283
C102
R32 C104 W240
5010
ICP-N10 IC6
O I W139
R98
W185
R97
W197
R78
W191
C55
W190
W153
X3
W157 W152
12.5MHz
W196
31
W150
W127
W195
W210
30
W134
W214 W194
W133
W180
W220
W114
W23
W113
W164
W109
W163
W106
W162
W105
W161
W104
W160
W159
W158
W143
R149
W156
R38
W204
10
1 7 W217 1 W179
W121
IC38 W216 IC39 W178
W120
W177
W215 W116
14 8 20 11
W132
W176
W131
W124
7
W119
W141 W118
R61
8 Q25
W129
R60 29
9 1
IC35
W142
W115
C51
X25 D/5
STOP
EJECT S3
S2
C60
R123
FB
S4
MODE
3 1
REC
W62
A3 S5
W75
SET S6
9
L M
LINE
OUTPUT INPUT
CODEC
Lch C177
D27
R242 C147
R203 R205 C139
J1
R207 R148
R193 C149
B B
4
1
C151 R209 C165 C140
C166
E E
IC13
R229 R230
C159 R213
B E
Q19 E Q20 B
C146
R189
5 8
W77 R227 W8
R228
R225
C167 C157
R223 R226 R224
C185 3010
C115 R188
B Q17 E E Q18 B
6
L.P.F
W76 R222 R256
R194 C148
R206 R255 R221 R220 C174
R204 R208
C163
C116 C150 R219 R150
W73
4 1
13 24 C152 C164
R210
E B E B
IC14
R171 W4
IC8
C142
C110 C160 R214
12 1
8 5
5 8
Rch
R196
C111 C134
C108 C125 W7
C158
R195
4 1
W86 W67 C84 IC10
C112
C143 C184 C132 4
R199 C141
1
C144
R198 R197
R183 C183
IC11
W81 R200
C126
5 8
W80 C119
C120
C131
W41 REM
R89
R85
R90
R86
R91
R87
R92
R93
50 51 R88
W297
GND
R45
R102 W14
R70
IC31
80
B E
R62 TMSW W9
E B
R71
+5V W11
81
T ADRS W6
D44
TMSW
100
1
D43 W31
1 14
W79
W78
IC34
W22
R51
W66
W94 W21
W93 W65 28 W20
15
C45
W92 W32
W64
R34 W19
W91
W60
W90 Q31 W38 W18
W52
W17
W98
1 10
W16
IC33
Q30
20 11
R48
R53
W33
R43
R67
R40 W280
R68
R64
R65
R66
W26
R69
GND
1 7
W35 W25
C50
W71
R155
IC36
1
XIN W30
14 8
19 XRST 1
W29
CN2
CN3
PAUSE
PLAY
S11
S7
FF
REC D37
S8
S12
SPACE
EDITE
E B
S9
UP
S13
W1
S1
ENTER
DOWN
JOG DIAL
S14
S10
N O
X25 B/5
1
8
WH2
E3
W2
REC
HEAD VR
PHONE
VR1
PHONES REC LEVEL
10