Kenwood TK-2140 Service Manual page 16

A B C D
TK-2140
PC BOARD
1
TX-RX UNIT (X57-6402-71) (A/3) Foil side view (J79-0057-09 A/3)
2
C329
3
4
R320
C318
R907 R908
R323
C391
C394
1 8
R919
C275 R910
IC305
R915
5
4 5
R313
D903
D902
+ C315
C333
R917
R215
R340
Q208
R920
R341
R343
6
CN300
17 18
BEEP GND
SSW 5C
LIMITSW GND
+
5CNS MICI R300
AFDIR PTT
MSK SW ME
NC ME
AFRDT TXHSD
7
CLK
GND
EM TONE SW TXAF
AFTRD RXAFI
AFRTM 5RC
AFDAT HSDIN
TEST RXAFO
GND GND
DTMACK C321
DTMSTD
DTMSD DTMPD
1 34
R327
8
R337
R338
9
R324
10
J79-0057-09 A/3
11
Ref. No. Address Ref. No. Address Ref. No. Address
IC200 4H Q3 8I Q106
12
IC201 6E Q4 8K Q201
IC304 7D Q5 8J Q203
IC305 5B Q6 9K Q204
IC306 10D Q7 10J Q205
IC307 3C Q8 7J Q206
13
IC404 7P Q100 5L Q207
IC801 8F Q101 6M Q208
Q2 9I Q103 7L Q503
12
14
E F G
CF200
+
1
R208
R911
8
CF201
R211
D203
R213
C209
R206
C1 R36
R220
R205
R267 C220
C282
C201
R266
X1
C283
D201
C243 C2
C5
C4
R259
C200
R201
C10
R202
L805
CP2
C803
C802
R203
R200
R826
D200
C9
C834
R827
C833
D801
C805
R806 C809
R815
C850
C806
CV
C851
+
C807
C328
R322 C392 R809
L802
R336
1
8
L801 R814
+
IC306
+
+
4 5
C325
R812
C323 R330
Ref. No. Address Ref. No. Address Ref. No. Address Ref. No. Address
10M Q803 7G D8 6I D200 8D D403
5D Q903 5D D9 10I D201 7E D801
5G D1 6I D10 10I D202 4E D804
5H D2 10I D100 5K D203 5E D805
4J D3 6I D101 5K D205 4O D902
4M D4 10I D102 9O D206 5N D903
6N D5 7J D103 9O D207 7O
6D D6 10J D104 9P D208 7N
5I D7 6H D105 8P D209 5H
H I J K
X200
C212
L201
XF202
R226
16
L905
Q205
IC200 C230
R229
C236
9
R230
L205
C218
CD200
G
D101
D
R264 R256
R100
S
R221
Q204
R37
D8
L8
C52
D3
R31
+
L23
R33
D5
L18
R26
L15
C49
C50
L810 C48
R18
Q4
C37
S
D
C44
G
C46
R21
C45
4 3
C39
R19 Q6
5 1
L811
R24
L22
L16
+
L17
+
C30
D4
D10
5P
9E
7H
9I
5C
5D
L M N O
TX-RX UNIT (X57-6402-71) (A/3) Foil side view (J79-0057-09 A/3)
L220
R276
R238
BPF
C295 L223
R232
R233
C242
C239
C241
C281
R235 R240
C240 R237
C244
L206
C289
D206
C100
R242
R101
C286
R104
R102
C101 L213
Q100
R252
C102
C258
R147
R244
R114
R246 R720
C261
2 3
R116
Q101
C109
L105
C263
1 4
R112
R248
R111
C106
G C264
L101
S Q103
R108
R249
C268
L102 D208
D
C267
C162
L104
L103
C151
C269
R118
C823 C824
C270
R269
C117
C826
C825
L111
G D
Q106
L109
L710
R123
C155
C138 C140
P Q R S
TK-2140
PC BOARD
R275
L210
C290
C252
+
C720
L212
C843
C257
R740
L215
D105
D104
L113
C146
C148
C149
ANT
C147
C150 C153
L115
Component side
Layer 1
Layer 2
Layer 3
Layer 4
Layer 5
Layer 6
Foil side
1
2
3
4
5
6
7
8
9
10
11
12
13
13
14