Kenwood TK-5210 Service Manual page 75

AE
TK-5210
TX-RX UNIT :TX-RX SECTION(X57-6820-XX)(A/5)
R:0V
T:2.40V
LOCAL SW
C385 R356 C386 D101 C103
0
15p 1000p HVC131 1000p
LOCAL SW
R:2.42V
T:0V
CPU
POWER
1st Lo
R244
47
VCXO
X201 0.64V
L77-1961-05
1 4
VC
VCC
R241 R242 C259
2 3
GND oUTPUT
0 8.2k
47p
MULTIPLEXER
IC203
TC7W53FK
CF202
1 CoMMoN 8
L72-1009-05
VCC
2 INH 7
CH0
3 VEE 6
CH1
4 GND 5
A
P25
FM:3.32V
P25:0V
DSP-FPGA
POWER
OPTION
MICE
MIC
SP+
SP-
CPU
X57-682 7/12
AF
SCHEMATIC DIAGRAM
R103
R:0V
T:4.74V
10k
C107 C183 C182
Q101
2SC5108(Y)
33p 15p 15p
R:0V
T:0.82V
RF AMP
TC75W51FK
1
2
3
4
C232
0.1u
C295
R247
3.26V
47p
1k
C263 L222 C266
100n
22p 1000p
Q205
2SC5108(Y)
BUFFER AMP
2nd Lo
R285
0
C241
C267
CF201
0.1u
L72-1017-05
C257
0.1u
C268
0.1u
0.1u
10
C292 C270
11
0.1u 12
0.1u
C293
0.1u
IC205 IC206
TC7W53FK TC7W53FK
5 4 1 8
A CoMMoN
GND VCC
6 3 2 7
CH1 INH
VEE CH0
7 2 3 6
CH0 VEE
INH CH1
8 1 4 5
VCC GND
CoMMoN A
MULTIPLEXER MULTIPLEXER
AG
R:0V
T:4.94V
RF AMP C112 R112
R:0V
18
Q102
27p
T:0.86V
2SC5192-A
R121
150k(D)
R122
150k(D)
DC AMP
IC104
8
7
6
5
R160
C272
0.01u
C273
0.01u
C274
10u
IC204
FM IC
TA31137FN
1 24
oSCIN
MIXIN
2 23
oSCOUT
GND1
3 22
VCC1
VREF
4 21
MIXoUT
RSS1
C278
5 20
VCC2
C-DET
6 19
IF1IN 150p
N-DET
7 18
DEC1
FILoUT
C279
8 17
IF1oUT
FILIN
C275
9 16
NDPS 150p
N-REC
15 0.1u
IF2IN
AFoUT
14
DEC2
QUAD
C277
13
GND2
IF2oUT
39p
CF204
MULTIPLEXER
L72-1021-05
NARROW
IC207
TC7W53FK
4
5
A GND
6 3
CH1 VEE
7 2
CH0
INH
8 1
VCC
CoMMoN
CF203
L72-1017-05
WIDE
AH
T:7.2V(H)
7.4V(L)
T:1.71V(H)
1.34V(L)
L104 L105
C113
56n 1.8n
1000p
Q103
RD01MUS1
RF DRIVE AMP
R117
10k
R127 R133
150k(D) 10k
C123
AUTO POWER CONTROL
100p
SWITCH
IC101
TA75W01FU
Q106
DTA144EE
1 8
OUT1 VCC
2 7
IN1- OUT-B
3 6
IN1+ IN2-
4 5
VEE IN2+
R136
180k
APC
APC1
Q111
SWITCH
EMD9
SWITCH
Q104
SSM3K15TE
47k
SWITCH
Q209
EMD9
R256
56k
R259
2.7k
R268
CD201
4.7k
L79-1850-05
C284 R269
100k
0.1u
IC208
TC7WU04FK
1
8
1A
VCC
P25:0V
2 7
W:3.18V
3Y
1Y
N:0V
3
6
2A
3A
4 5
GND
2Y
BUFFER
AI
C120
56p
+B
R137
2.2k
VOLTAGE
PROTECTION
SWITCH
Q107
SSM3K15TE
Q417
SSM3K15TE
SWITCH
CPU
POWER
R264
47
DSP-FPGA
POWER
OPTION
MICE
MIC
SP+
SP-
CPU