Kenwood TK-280 Service Manual page 49

A B C D
TX-RX UNIT (X57-5740-XX) (-10) : K, K3, M (-11) : K2, K4 Foil Side View
TX-RX UNIT
(X57-5740-XX)
R e . f N . o A d d e r s s
D 1 6 L
C246
D 3 7 M
D 4 7 K
D 6 6 J
D 8 8 N
D 9 6 H
R253/R310
D 2 3 6 H
C I 6 6 D
C I 9 7 D
C I 1 0 8 N
C I 1 2 8 J
C I 1 3 6 N CN9
C I 1 4 5 K
C I 1 6 3 M
C22
C I 1 9 7 Q
C24
C I 2 0 3 Q
C27
C I 2 1 3 P
C I 2 2 3 Q
C I 2 3 5 F
C43
C I 2 4 4 M
Q3
Q 1 5 E
C40
Q 2 5 E
C39
Q 3 6 D 4 3
IC9
Q 4 7 K
6 1
Q 8 5 J
Q 1 0 7 N
Q 1 1 I 7
Q 1 2 I 9
Q24
Q 1 6 6 J
Q 1 7 6 N
Q 1 8 I 6
Q 1 9 8 Q
Q 2 0 5 G
Q 2 1 5 G
Q 2 2 5 F
Q 2 3 5 G
Q 2 4 8 E
Q 2 5 5 F
Component side
Pattern 1
Pattern 2
Pattern 3
Pattern 4
Pattern 5
Pattern 6
Foil side
E F G H
CN10
C215
L25
Q20
R254
R240
C228
R243/L23
1 8
Q25
IC23
B C E
4 5
C211 R268
R281
C252
C226
R265
Q23
L31
C189
C201 C248
D9
R239
C197 C183
C210 C206
D23
R192
C216
C204 L27
L51
C162
R261
R124
R266 C218
R122
C261
R112
R299
XF1
R118
C260
C259
DTA144EE 3SK239A
DTC114EE
DTC144EE
2SA1745
2SC4617
2SC4619
2SC5108 2SJ243
2SK1824
B
E
C
2SC4988
TC7S66FU
I J K L
IC16
8
R38
R114
14
L11 R109
L8
R123
R96 C136
R295
C120
R93
C121
L6
R50
C129 R101
C132
R159 R185
C139
C5
C142
C167 R119 L10
C149
R120
CN6
D4
R30
C37
R54 C64
D3
Q11 R65
R15
C30
R80 Q4
R31
9 8 C17
C87
R81
IC12
X2
16 1
R307
C95 C70 C72
R308
R84
L4
Q12
TK11250BM SA7025DK
AT2408N10SI2.5
NJU7201U50
TC35453F BU4094BCFV
53
M N O P
PC BOARD VIEW
R100
7
1
X3
R304
C119
R116
R305
IC17
17
X57-5740-XX
3
4
5 1
J72-0613-02
R89
IC24
33
23
34 22
32
CP21
C66
75
R139
C67
IC13
R140
C68
76
R143
C75
R145
R146
R147
44 12
R148
R149
1 11
R150
R72 R76 R151
C109
R48
C158
Q10
C102
R83
R44
100
R78
R85 C176
R95
R166
1
R137
C166
D8
R129
Q17 X4
NJM2904V
TA75S01F
LC73872M
Q R S
TK-280
1
2
3
L24
L49 C256
4
16
5
1
51
R220
50
6
R296
IC19
R297
7
26
25
R199
8
Q19
C267
9
10
11
12
13
54
14