Kenwood TK-5810 Service Manual page 112

K
TK-5810 BG
(
7.03V
*
R500
3.31V
*
C537
*
C529 C530
Q418
470p
2SC5108(Y)F
2.65V
BUFFER AMP
R509
4.89V
33
R506 C535
4.7k
2.39V 6p
*
R496 C525 Q417
1.98V
2SC5108(Y)F
470p
PLL FIN AMP
OP AMP
IC204
TC75S51F-F
1
IN(+)
2
VSS
3
IN(-)
R272
47k
RX LO1
MCF ADJ
CN207
E41-2735-05
7.89V
R265
100k
0.74V 2.51V
C285 R255 C291 R266
47k
1000p 47p
0 W:4.94V
N:5.02V
P25:0V
Q205
2SC4215-F(Y)
IF AMP
W:5.01V
N:0V
P25:5.02V
W:3.26V
N:0.11V
P25:0.11V
MO
112
X57-727 3/4
L
/5810H BG
) ( )
D419,420
TX/RX SW
D420
RN142S
C151
470p
R:0V
T:5.57V
D419
RN142S
4.92V
5C
5.59V
5
VDD
4
OUT
1.51V
X200
L77-1961-05
3.14V
4
R269 1
VC VCC
0
3
2
GND oUTPUT
VCXO:16.8MHz
IC201-203,205-207
MULTIPLEXER
NARROW
CF204
L72-1018-05
IC203
TC7W53FK(F)
1 CoMMoN 8
VCC
2 INH 7
CH0
R268 3 VEE 6 WIDE
CH1
CF202
4 GND 5
0
L72-1016-05
A
IC202
TC7W53FK(F) V NARROW
CF203
1 CoMMoN 8
L72-1009-05
VCC
2 INH 7
CH0
R261 3 VEE 6
CH1
4 GND 5
0
A
NARROW
CF200
IC201 L72-1018-05
TC7W53FK(F)
1 CoMMoN 8
VCC
2 INH 7
CH0
R258 3 VEE 6
CH1
4 GND 5
0
WIDE
A
CF201
L72-1016-05
M
SCHEMATIC DIAGRAM
RF AMP
R:0V
Q150
T:1.80V
2SC3357-A(RF)
C152 R152 C153 R159
5.6
10p 22p 0
R300
47
4.96V
C306 R311 C319
100p
0.65V 0 15p
R293 R299 C304
Q207
2SC5108(Y)F
0 8.2k 47p
VCXO
0.73V
FERQUENCY
AMP
1St IF:49.95MHz
SLO
R307
0
IC207
TC7W53FK(F)
5 A 4
GND
6 CH1 3 R294
VEE
7 CH0 2
0
INH
8 VCC 1
CoMMoN
C310
A-L ch0
A-H ch1
0.1u
C311
0.1u
IC206
TC7W53FK(F)
5 A 4
GND
6 CH1 3 R287
VEE
7 CH0 2
0
INH
8 VCC 1
CoMMoN
IC205
TC7W53FK(F)
5 A 4
GND
R288
6 CH1 3
VEE
7 CH0 2
0
INH
8 VCC 1
CoMMoN
A-L ch0
A-H ch1
X57-7270-XX L153
-10 K 18n
-11 K2 22n
N
TX-RX UNIT (X57-7270-XX)
RF AMP
R:0V
Q151
T:0.93V
2SC3357-A(RF)
*
C158
R:0V R:0V
T:1.21V T:0.59V
R:0V
R162
R155 T:5.20V
12k
3.3k
4.94V
R312 C321
1k
0.01u
C322
0.01u
C316
10u
FM IC
IC209
TA31137FNG
1 24
oSCIN
MIXIN
2 23
oSCOUT
GND1
3 22
VCC1
VREF
4 21
MIXoUT
RSS1
C312 5 20
VCC2
C-DET
0.1u
6 19
IF1IN
N-DET
C313 7 18
DEC1
FILoUT
0.1u
8 17
IF1oUT
FILIN
C314 9 16
NDPS
N-REC
0.1u
10 15
IF2IN
AFoUT
C315 11 14
DEC2
QUAD
0.1u
12 13
GND2
IF2oUT
2nd:IF:450KHz
R495 R496 R497 R500 R501 R505 R507 R512 C157
470 12 470 22k 15k 150 150 220 1p
NO 0 NO 10k 10k 470 100 NO 8p
O
R:0V
T:7.19V
RSSI
R310
FILOUT
0
FILIN
C329
0.1u
AFOUT
QUAD
IF2OUT
MO
C158 C530 C537
12p 4p 5p
18p 5p 6p