Kenwood TK-361SA Service Manual page 33

P
TX-RX UNIT (X57-6900-21)
STRIP LINE
5T
RX LO1
5R
BPF
R:5V
MIXER
L204
R:1.8V
270n
Q204
3SK318
R:0.47V
R:1.8V
R226
1k
CN201
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
RT1N441U
DC SW/SP MUTE
TXD
AF_CONT
SB
5M
PTT
OPTDET
Note : The components marked with a dot (
Q
SCHEMATIC DIAGRAM
ANT SW
D122
HVC131
D103
R137 C152
0 20p HVC131
ANT SW
R:5V
C246 C248
(B) (B)
C241
R240
2p
470p 0 2p
C239
1000p
D203,204,210
RF BPF TUNING
R343
470k
AF AMP
IC302
TA7368FG
1 10
NC1 POUT
2 9
VCC PW-GND
3 8
NC2 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
•
) are parts of layer 1.
R
C160 C163
2p 3p
C158 L225
L224
4T 4T
100p
L223 R145
4T
0
ANT SW
L410
R:4.9V
C252 C253
(B) (B) C259
R249
R:4.98V
R:2.05V
1p 1.5p 470p 22
Q205
3SK318
RF AMP
R:0.96V
SP MUTE SW
Q306
2SK3577-A
C340
Q305
RT1N441U
0.1u
DC SW/SP MUTE
R341
R346
R344
L301
S
TK-361SA
C166
0.75p
L226
4T
R147
0
ANT SW
C269 C272
(B) (B)
C266 R255
470p 0 2p 2p
C275
2.5p
D205,206
RF BPF TUNING
C345
100u6.3
SP MUTE SW
Q316
2SK3577-A
R345
PTT/RXD
10k
100
MICIN
OPTDET
5MS
100
1k
SPO
T
1
ANT
CN13
2
3
4
5
6
MIC
AE J301
TXD
NC
SPI
MIC301
7
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