Kenwood TK-3202 Service Manual page 31

P
X57-6890-XX L16 L17 L100 L101
TK-3202 K,M
-20 22n 27n 15n 15n
TK-3206 M
TK-3202 K3
-22 27n 33n 33n 22n
TK-3206 M3
-23 TK-3202 K2,M2 18n 22n 15n 15n
X57-6890-XX C52 C53 C54 C55
TK-3202 K,M
-20 11p 2p 6p 11p
TK-3206 M
TK-3202 K3
-22 11p 4p 7p 12p
TK-3206 M3
-23 TK-3202 K2,M2 12p 2p 9p 12p
X57-6890-XX C166 C168 C169
TK-3202 K,M
-20 0.75p 1p 4p
TK-3206 M
TK-3202 K3
-22 0.75p NO 10p
TK-3206 M3
-23 TK-3202 K2,M2 1.5p 0.3p 3p
TX-RX UNIT (X57-6890-XX)
R454
*
STRIP LINE
5T
RX LO1
5R
BPF
R:5V
MIXER
L204
R:1.795V
270n
Q204
3SK318
R:0.47V
C239
R:1.808V
R226 1000p
1k
CN201
E23-1278-05
PCTV
C334
0.1u
R:0.3V(MUTE ON)
DC SW
7.3V(MUTE OFF)
Q304 T:0.3V
2SA1362(GR)-F
7.52V
R336
SP2
1k
R334
47k
Q303
DTC144EE
DC SW/SP MUTE
TXD
AF_CONT
OPTDET
PTT
5M
SB
Q
SCHEMATIC DIAGRAM
L105 L107 L206 L211 L214 L223
15n 1.2n NO 8.2n 8.2n L34-4572-05
15n NO 39n NO 8.2n NO
22n 1.2n 27n 8.2n 6.8n L34-4572-05
C56 C57 C58 C59 C61 C62 C64 C65 C66 C67
2p NO 6p 1p 3p 2p 4p 6p 6p 5p
5p 0.5p 7p 1.5p 4p 3p 4p 5p 5p 4p
NO NO 9p 1p 4p 2p 5p 5p 6p 5p
C240 C244 C245 C246 C247 C248 C249 C250
3.5p 3p 22p 1p 470p 2p 6p 22p
1p NO NO NO NO NO 5p 22p
3.5p 3.5p 18p 0.75p 470p 1p 6p 18p
Note : The components marked with a dot (
ANT SW
D122
HVC131
C152 D103
R137
0 20p
HVC131
ANT SW
R:5V
* R449 * R450
* C248
C241 R240 * C246
(B) (B)
470p 0
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
7 C338 100p
VIN PHASE
C339
5 6 R337
RIPPLE NF
150 10u6.3
R:7.3V(MUTE ON)
0.3V(MUTE OFF)
T:7.3V
R
TK-3202/3206
L228 L230 L290 L412 R103 R106 R114
8.2n 47n 30n NO 47k 22
8.2n 56n NO L34-4564-05 33k 120
6.8n 47n NO NO 47k 22 120k
C107 C116 C121 C125 C127 C132 C145 C149
6p 11p NO 6p 20p 20p 18p
7p 3p 12p 11p NO 39p 30p
6p 11p NO 6p 20p 27p 18p
C252 C255 C257 C267 C268 C269 C273
2p 22p 4.5p 3.5p 22p 2p 22p
1.5p 22p 7p 6p 22p 2p 22p
0.75p 18p 6p 5p 18p 2.5p 18p
* C160 C163
3p
L224 L225
C158
4T 4T
100p
* L412
L223
* R145
4T
0
ANT SW ANT SW
L410
R:4.9V
C253
C259
* C252 2p
R249
R:4.98V
R:2.046V
(B) 22
(B) 470p
Q205
R:0.96V
3SK318
RF AMP
SP MUTE SW
Q306
2SK3577-A
C340
Q305
DTC144EE
0.1u
DC SW/SP MUTE
R341
R346
R344
L301
S
R120 R194 R241 R350 R449 R450 R454
47k NO 47k 1.0M 0 NO NO NO
68k 0 68k NO 10k 0 0 NO
NO 47k 1.0M 0 NO NO 0
C151 C156 C157 C159 C160 C161 C164
7p NO 4p 2.5p 2p 2p 5p 5p
7p 7p 3p 4p 2p 2p 5p 5p
NO 7p 3.5p 4p 3p 1.5p 6p 6p
C274 C275 C276 C349 C444 C445 D210
1p 2p 3.5p NO NO NO HVC355B
4p 2p 4p 0.033u 2p NO NO
2p 9p 4p NO NO 20p HVC355B
●
) are parts of layer1.
* C166
L226
4T
R147
0
C272
2p
C266 R255 * C269
470p 0 (B) (B)
C275
*
(B)
D205,206
RF BPF TUNING
C345
100u6.3
SP MUTE SW
Q316
2SK3577-A
R345
PTT/RXD
MIC
10k
100
MICIN
OPTDET
5MS
AE
100
TXD
NC
1k
SPO
SPI
T
1
2
ANT
CN13
3
4
5
6
J301
E11-0457-05
7
MIC301
T91-0649-05
29
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