Kenwood TK-3202L Service Manual page 32

P
X57-6890-XX D210 C52 C53 C54
-26 K,M HVC355B 11p 2p 6p
-27 K2,M2 HVC355B 13p 2p 9p
-28 K3 NO 11p 4p 7p
X57-6890-XX C160 C161 C164 C166 C168
-26 K,M 2p 5p 5p 0.75p 1p
-27 K2,M2 1.5p 6p 6p 1.5p 0.3p
-28 K3 2p 5p 5p 0.75p NO
X57-6890-XX L16 L17 L100 L101 L105
-26 K,M 22n 27n 15n 15n 15n
-27 K2,M2 18n 22n 15n 15n 22n
-28 K3 27n 33n 33n 22n 15n
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
R226 R:1.808V
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-F(GR)
7.52V
R336
SP2
1k
R334
47k
Q303
DTC144EE
DC SW/SP MUTE
RXD/PTT
TXD
AF_CONT
OPTDET
PTT
5M
SB
Q
SCHEMATIC DIAGRAM
C55 C56 C57 C58 C59 C61 C62 C64
11p 2p NO 6p 1p 3p 2p
12p NO NO 9p 1p 4p 2p
12p 5p 0.5p 7p 1.5p 4p 3p
C169 C240 C244 C245 C246 C247 C248
4p 3.5p 3p 22p 1p 470p 2p
3p 3.5p 3.5p 18p 0.75p 470p 1p
10p 1p NO NO NO NO NO
L107 L206 L211 L214 L223 L228 L230
1.2n NO 8.2n 8.2n L34-4572-05 8.2n 47n
1.2n 27n 8.2n 6.8n L34-4572-05 6.8n 47n
NO 39n NO 8.2n NO 8.2n 56n
Note : The components marked with a dot (
ANT SW
D122
HVC131
R137 C152 D103
HVC131
0 20p
ANT SW
R:5V
* R449 * R450
*
C241 R240 * C246 C248
470p 0 (B) (B)
C239
1000p
D203,204,210
RF BPF TUNING
R343
470k
AF AMP
IC302
TA7368FG
1 10
NC1 PoUT
2 9
VCC PW-GND
8
3
NC2 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
C65 C66 C67 C107 C116 C121 C125
4p 6p 6p 5p 6p 11p NO 6p
5p 5p 6p 5p 6p 11p NO 6p
4p 5p 5p 4p 7p 3p 12p 11p
C249 C250 C252 C255 C257 C267 C268
6p 22p 2p 22p 4.5p 3.5p 22p
6p 18p 0.75p 18p 6p 5p 18p
5p 22p 1.5p 22p 7p 6p 22p
L290 L412 R1 R39 R103 R106
30n NO 22k 150 47k 22
NO NO 100k 180 47k 22
NO L34-4564-05 22k 150 33k 120
C160 C163
*
3p
C158 L224 L225
4T 4T
100p
L412
*
* L223
R145
4T
0
ANT SW
L410
R:4.9V
C253
C259
* C252 2p R249
R:4.98V
22
(B) (B) 470p
RF AMP
Q205
R:0.96V
3SK318
SP MUTE SW
Q306
2SK3577-A
C340
Q305
DTC144EE
0.1u
DC SW/SP MUTE
R338
R341
2.2k
R346
R344
L301
S
TK-3202L
C127 C132 C145 C149 C151 C156 C157
20p 20p 18p 7p NO 4p 2.5p
20p 27p 18p NO 7p 3.5p 4p
NO 39p 30p 7p 7p 3p 4p
C269 C273 C274 C275 C276 C349 C444
2p 22p 1p 2p 3.5p NO NO
2.5p 18p 2p 9p 4p NO NO
2p 22p 4p 2p 4p 0.033u 2p
R114 R120 R194 R241 R350 R449 R450
47k NO 47k 1.0M 0 NO NO
120k NO 47k 1.0M 0 NO NO
68k 0 68k NO 10k 0 0
●
) are parts of layer 1.
* C166
L226
4T
R147
0
ANT SW
R:2.046V
C272
* 2p
C266 R255 C269
0
470p (B) (B)
C275
*
(B)
D205,206
RF BPF TUNING
C345
100u6.3
SP MUTE SW
Q316
2SK3577-A
R345
PTT/RXD
10k
100
MICIN
OPTDET
100
1k
T
1
C159
2p
3p
2p
C445
NO
20p
NO
R454
NO
2
0
NO
ANT
CN13
3
4
5
6
J301
E11-0707-05
MIC
5MS
AE
TXD
NC
SPO
SPI
7
MIC301
T91-0649-15
29
X57-689 4/4