Text preview for : B51-8664-00-SD.pdf part of Kenwood B51-8664-00-SD Kenwood UHF FM Transceiver UHF FM Transceiver Kenwood TM-471A B51-8664-00-SD.pdf
Back to : B51-8664-00-SD.pdf | Home
A B C D E
TM-471A
TX-RX UNIT (X57-6863-XX)
SCHEMATIC DIAGRAM
1 R414
CV
Q402,403 0
C416
R411
C417
470p
RX VCO
470p
10k
BUFFER AMP
R422
CHARGE PUMP
10k
R:0.75V
D402 R410
D403,404
RX VCO
R:5.84V
* C430 R:0.98V
Q410
2SC5108(Y)
Q402 Q405 R:5.6V
10k
HZU5ALL
VOTAGE
2SA1832(GR)
Q403
R418 R419 R421 L405 CV
* L406 D404
* C426 * L408 2SK508NV(K52) C432
*C454
*R423 * L410
1k 1.5k MA2S304
* C427
1k 0.5p
*L409
DROPPED R412 2SC4738(GR)
*R436
C422
470p
MA2S304
R420
* L407
C455
3.3u10 2.2k
*C429
27n
* C431
0.047u35
L418
R403 1k
D403
12k
2p
R413
0.1u35
C423
10k
C425
R402 1k
TC401
C428
470p
10p
R401 1k
C424
C452
R435
470p
100
20
19
18
17
16
15
14
13
12
11
C475
C401
C403
C402
C476
1000p
1000p
100p
100p
100p
T/R SW R:6.68V
R429
R
NC5
P
FOUT
NC4
FC
LE
DATA
NC3
CLK
PLL IC
R434
220
0
IC401 Q407 Q408
TCXO
OSCOUT
MB15A02 T:6.7V 2SJ347 KRX102U
R430 L417
OSCIN
R:1.6V X401 KDC R:4.97V PLL SYNTHESIZER
GND
VCC
NC1
NC2
FIN
DO
220 R432
VP
LD
R404 R:6.8V
R431
C448
470p
100k
T:0V
1k
1
2
3
4
5
6
7
8
9
10
10k
C473
1000p
L401
16.8MHz D405,406
*C439 Q406
C404
TX VCO
15u6.3
RF AMP T/R SW
1000p
C418
C400
8CL
0.1u T:0.98V
R415 Q404 R:0.72V D406 R:5.48V
2 L77-1944-05 L403 C411
0 2SC4649(N,P)
* L411 MA2S304
* C434 * L413 2SK508NV(K52) C441
0.3p