Kenwood TK-2140 Service Manual page 14

A B
TK-2140
1
TX-RX UNIT (X57-6402-71) (A/3) Foil side view (J79-0057-09 A/3)
2
3
4
R320
C318
R907 R908
R323
C391
1 8
IC305
5
4 5
+
C315
R341
6
CN300
17
BEEP
SSW
LIMITSW
5CNS
AFDIR
MSK SW
NC
AFRDT
7
CLK
EM TONE SW
AFTRD
AFRTM
AFDAT
TEST
GND
DTMACK
DTMSTD
DTMSD
1
8
9
10
11
Ref. No. Address
IC200 4H
12
IC201 6E
IC304 7D
IC305 5B
IC306 10D
IC307 3C
13
IC404 7P
IC801 8F
Q2 9I
12
14
C D
PC BOARD
C329
R911
C394
R919
R910
C275
R915
R313
C209
D903
D902
C333
R917
R215
R340
Q208
R920
R343
R267
C201
GND 18
5C
GND
+
R300
MICI
PTT
ME
ME
TXHSD
C200
GND
TXAF
R201
RXAFI
5RC
R202
HSDIN
RXAFO
R200
GND
C321
DTMPD
34
R327
D200
R337
R338
R322
R324
1
IC306
4
J79-0057-09 A/3
Ref. No. Address Ref. No. Address
Q3 8I Q106 10M
Q4 8K Q201 5D
Q5 8J Q203 5G
Q6 9K Q204 5H
Q7 10J Q205 4J
Q8 7J Q206 4M
Q100 5L Q207 6N
Q101 6M Q208 6D
Q103 7L Q503 5I
E F
CF200
R208
CF201
R211
D203
R213
R206
R220
R205
C220
C282
R266
X1
C283
D201
C243 C2
C4
R259
C10
CP2
C803
C802
R203
R826
C9
R827
D801
C805
R806 C809
C850
C806
C851
C328
C392 R809
R336
8
+
+
5
C325
R812
C323 R330
Ref. No. Address Ref. No. Address
Q803 7G D8 6I
Q903 5D D9 10I
D1 6I D10 10I
D2 10I D100 5K
D3 6I D101 5K
D4 10I D102 9O
D5 7J D103 9O
D6 10J D104 9P
D7 6H D105 8P
G H
C212
+
L201
1 16
IC200
9
8
C218
G
D
S
Q204
C1 R36
L8
C5
L18
L805
L810
C37
C834
C833
R815
L16
CV
+
C807
L802
L801 R814
+
Ref. No. Address Ref. No. Address
D200 8D D403 5P
D201 7E D801 9E
D202 4E D804 7H
D203 5E D805 9I
D205 4O D902 5C
D206 5N D903 5D
D207 7O
D208 7N
D209 5H
I J
X200
R226
L905
Q205
C2
CD200
R264 R256
R221
R37
D8
D3
+
R33
D5
L15
C49
C48
R18
C44
C46
R21
C39
R19
L811
R24
L17
+
C30
D4
D10