Service Manuals, User Guides, Schematic Diagrams or docs for : Kenwood UHF FM Transceiver UHF FM Transceiver Kenwood TK-8102 B51-8585-20-SDP
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A B C D E
TK-8102 TX-RX UNIT (X57-6920-XX)
SCHEMATIC DIAGRAM
1 Q402,403
D403,404
RX VCO
RX VCO * C430
R:6.6V R:1.0V
CHARGE PUMP Q405
R403 1k R414 * L406 D404 * C426 * L408 2SK508NV(K52) C432
R402 1k MA2S304
* C427
* R423 * L410
* L409
0.5p
C417
0 CV
C416
VOTAGE
R411
470p
R401 1k
MA2S304
470p
10k
DROPPED
* C431
* C429
D403
R422
* L407
10k
D402 R410
C401
C403
C402
100p
100p
100p
TC401
C428
470p
10p
10k Q402
HZU5ALL 2SA1832(GR) R418 R419 R421 L405
TCXO Q403 CV
R412 1k 1k 1.5k R429 Q407 2SJ243
1.6V X401 KDC 4.9V 2SC4738(GR)
R420
2.2k
100
0.047u35
12k
R413
0.1u35
20
19
18
17
16
15
14
13
12
11
C423
10k
C425
VC 5C
C422
470p
R430 T/R SW
PLL IC
R
NC5
P
FOUT
NC4
FC
LE
DATA
NC3
CLK
3.3u10
C404
C424
15u6.3
16.8MHz
R431
C448
470p
D405,406 100
100k
IC401
GND XOUT TX VCO
OSCOUT
MB15A02
* C439
OSCIN
PLL SYNTHESIZER T:6.4V T:1.1V
RF AMP Q406
GND
VCC
D406
NC1
NC2
L77-1868-15
FIN
DO
VP
LD
2SK508NV(K52) C441
* L411 MA2S304 * C434 * L413
R405
R404
6.9V
10k
Q404
0
2SC4649(N,P) 0.7V
1
2
3
4
5
6
7
8
9
L403 C418 R415 0.3p
10
* C435
C436
* L414
* R424 * L415
0.5p
C411
MA2S304
* C440
10u 1000p 0
* L412
D405
C433
470p
TX VCO
4.8V C412 0.1u
R417
C408
2
*TH401
220k
22p
* TC402
MA360
C437
* C438
D407
470p
FROO(EVOL23)
R408
10u6.3
R407
-t
PLLE(CPU3)
10
CK(CPU54)
DT(CPU53)
1.5k
MA2S111
D401
C413
MOD
RIPPLE
0.01u
L404
FILTER
R416
470
L416 R428 D407
R409 MODULATION
47k
R427
C406
C409
C444
10u6.3
470p
100k
100k
C414
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