Kenwood TK-3107 Service Manual page 15

P
TX-RX UNIT(X57-6030-10)
TX FINAL
Q107
RD07MUS2BT112
5T
APC
DC SW
Q106
2SK1830F
B
APC
C238
0.3p
R228
100k
BPF TUNING
5R
R:5.0V
R341
TUNE
100k
5MS
B
APC
TXD
PTT
C327
0.1u
DC SW
Q305
2SA1362-F(GR)
Q304
RT1N441U-T111
AFCO
DC SW
SB
TO AF AMP
Note : The components marked with a dot (
Q
SCHEMATIC DIAGRAM
T:7.3V
R123
T:7.3V
R133
150k(D)
R134
150k(D)
5T
T:5.1V
RT1N141U-T111
C226
MIXER
0.3p RF AMP
Q203
C228 L207 R225
3SK318
12n D G2
27p 10
S
G1
R:0.9V
R221
100k
R:1.6V
IC302
R:3.4V
TA7368FG
1 10
NC1 PoUT
2 9
VCC PW-GND
3 8
NC2
PRE-GND
R327 4 7 C330
VIN PHASE
0 5 6 100p
RIPPLE NF
R332 C332
150 10u6.3
AUDIO POWER AMP
C334
220p
R:7.5V
R333
470k
DC SW
C333
0.47u
Q306
RT1N441U-T111
•
) are parts of layer 1.
R
ANTENNA SW
D105
HVC131
D101
C138 HVU131-E
0
100p
T:7.4V
R144
2.2k
R136
150k(D)
APC
C134
IC100
100p
NJM2904V-ZB
1 8
V+
2 7
3 6
4 5
GND
R138
150k(D)
Q108
DC SW
C233
C263 0.3p(B)
22p
R230
100k
BPF TUNING
AUDIO MUTE SW
R:3.4V
Q308
SSM3K01T(F) C337
100u6.3
R:7.1V
S
TK-3107
C149 C151 C154
3p(B) 1p(B) 1.5p(B)
C145 L112 L113 L114
470p 4T 5T 4T
R147
0
D102,103
ANTENNA SW
DC SW
Q109
RT1P441U-T111
R142
1M
R145
180k
APC
C234
0.3p(B)
C235
3.5p
R231 R232
100k 100k
D202,204
BPF TUNING
TUNE
REVERSE
7.5V
PROTECTION
F500
L501
3.0A
R536
1k
R537 R539
100 0 J500
PTT
MIC
R538
5MS
AFG
100
TXD
NC
SP
T
1
ANT
2
3
4
5
6
MIC500
7
15
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