Kenwood TK-5210 Service Manual page 74

Z
TX-RX UNIT :TX-RX SECTION(X57-6820-XX)(A/5)
3.32V
RIPPLE FILTER
Q307
4.98V
2SC4617(S)
L313
5C
T/R
C343
10u6.3
D303,306,308,309
FREQUENCY CONTROL
R355 L306 C341 D306
10u
0
1000p 1SV282-F
L309
R334
220n
0
R331 L307 C340 D307
10u
0
1200p 1SV282-F
R328 L305
10u
0
D304,307,310-312
FREQUENCY CONTROL
R330 L310
470k
CPU
POWER
L206 L207 C235 L210 C294
39n 39n 47n
470p 470p
C228 C231
2p 1.5p
R223 C230 L39-1272-15
22
1000p
C236
1000p
RX BPF
5R
BPF GND
DSP-FPGA
OPTION
MICE
MIC
SP+
SP-
CPU
AA
SCHEMATIC DIAGRAM
Q309
4.27V
SWITCH
Q308 2SJ347
SSM6L05FU
R:4.26V
R368
T:0V
1k
SWITCH L318
R339
220n
22
RX VCO
C359 4p
L314
C347
27n
56p
Q310
2SK508NV(K52)
VCO
OSCILLATION
L320
TX VCO
390n
C366 3p
L316
C350
39n
1800p
Q311
2SK508NV(K52)
VCO
OSCILLATION
R337
MOD
47k
C352 C355
1p 4p
C344 C346 L315
L317
18n
15n
470p 470p
L212
L39-1272-15
DBM
IC202
SPM5001
1
6
L211 L214
G2 G1
2
5
L39-1272-15
S1 D1 R235
4 3
D2
S2
0
R:1.37V R:4.92V
T:0V T:0V
AB
R:0V
T:4.19V
R345
150k
BUFFER AMP
3.91V
Q313
2SC5108(Y)
C375 C378
C371
6p 1000p
0.5p
0.75V
6
5
4
C362
R344
8p
220k
L319 C367
10n
470p
Q312
2SC5108(Y)
BUFFER AMP
XF201
L217
R294 C246 C250
L71-0551-35
0 560n
0.01u 27p
AC
TK-5210
1/2 DIVIDER
BUFFER AMP
IC304
Q314
UPB1511TB
2.12V
2SC5108(Y)
1 C380 C381
VCC oUT
2 1000p 1000p
GND
IN
3
IN SW
R:4.87V
T:0V
L219
C255 C260
Q204
180n
2SK1215(E)
0.01u
8p
IF AMP
R:0.51V
T:0V
AD
4.73V
1.54V
CPU
POWER
1st Lo
C261
470p
DSP-FPGA
POWER
OPTION
MICE
MIC
SP+
SP-
CPU
X57-682 6/12