Kenwood TK-3202 Service Manual page 38

P
Note : The components marked with a dot (
X57-6892-XX C47 C52 C53
-71 E NO 12p 1p
-72 E3 100p 11p 4p
X57-6892-XX C252 C257 C267
-71 E 2p 5p 4.5p
-72 E3 3p 7p 7p
X57-6892-XX R39 R40 R42
-71 E 180 22 10k
-72 E3 150 100 4.7k
TX-RX UNIT (X57-6892-XX)
STRIP LINE
5T
RX LO1
5R
BPF
R:5V
L204 MIXER
R:1.795V
270n
Q204
3SK318
R:0.47V
R:1.808V
R226
1k
CN201
E23-1278-05
PCTV
C334
0.1u
R:0.3V(MUTE ON)
DC SW
7.3V(MUTE OFF)
T:0.3V
Q304
2SA1362(GR)
7.52V
R336
SP2
1k
R334
47k
Q303
DTC144EE
DC SW/SP MUTE
TXD
AF_CONT
OPTDET
PTT
5M
SB
Q
SCHEMATIC DIAGRAM
C54 C55 C56 C57 C59 C62 C64 C65 C66 C67
9p 10p NO NO 1p 2p 5p 7p 7p 5p
8p 12p 5p 0.5p 1.5p 3p 4p 5p 5p 4p
C268 C272 C274 C276 C293 C349 C444 D2 D4
22p 3p NO 4p 0.3p NO NO NO 1SV325F
33p 2p 5p 3.5p NO 0.033u 5p HVC376B HVC376B
R103 R120 R194 R248 R249 R350
47k NO 47k 150 22 0
27k 0 22k 220 82 10k
ANT SW
D122
HVC131
D103
R137 * C152
0
HVC131
ANT SW
R:5V
C241 C246 C248
R240
*
3p(B)
470p (B)
0
C239
1000p
D203,204,210
RF BPF TUNING
R343
470k
AF AMP
IC302
TA7368F
1
10
1 PoUT
2 9
VCC
PW-GND
3 8
3 PRE-GND
4 C338 100p
7
VIN PHASE
C339
5 6 R337
RIPPLE
NF
150 10u6.3
R:7.3V(MUTE ON)
0.3V(MUTE OFF)
T:7.3V
R
•
) are parts of layer 1.
C91 C107 C116 C121 C125 C127 C132 C145 C151 C152
2p 6p 11p NO 6p 20p 22p 20p 1.5p 20p
NO 7p 3p 12p 8p NO 39p 30p 7p 30p
D6 D7 L10 L16 L17 L100 L101 L107
NO 1SV325F 220n 22n 27n 15n 15n 1.2n
HVC376B HVC376B 100n 27n 33n 33n 22n NO
C163
C160
2p 3p
C158 L225
L224
4T 4T
100p
L412
*
* L223 R145
4T
0
ANT SW
L410
R:4.9V R:4.98V
C252 C253 C259
* R249
*
(B) 3p(B)
470p
RF AMP
R:0.96V Q205
3SK318
SP MUTE SW
Q306
2SK3577-A
C340
Q305
DTC144EE
0.1u
DC SW/SP MUTE
R341 10k
100
R346
R344
1k
L301
S
TK-3202
C156 C157 C168 C169 C240 C244 C246 C249
4p 1p 1p 6p 2p 4p 2p 2p
3p 4p NO 8p 2.5p 6p 3p 3.5p
L206 L223 L230 L290 L412
NO L34-4572-05 39n 30n NO
39n NO 56n NO L34-4564-05
C166
0.75p
L226
4T
R147
0
ANT SW
R:2.046V
C269 C272
*
(B)
C266 2p(B)
R255
0
470p
C275
3p(B)
D205,206
RF BPF TUNING
C345
100u6.3
SP MUTE SW
Q316
2SK3577-A
R345
PTT/RXD
100
MICIN
OPTDET
T
1
2
ANT
CN13
3
4
5
6
MIC
5MS
AE J301
TXD
NC
SPO
SPI
MIC301
7
35
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