Service Manuals, User Guides, Schematic Diagrams or docs for : Kenwood UHF FM Transceiver UHF FM Transceiver Kenwood TK-8108 B51-8593-10-SDP
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A B C D E
TK-8108 SCHEMATIC DIAGRAM /
TX-RX UNIT (X57-6923-XX)
1 D403,404
RX VCO * C430
Q402,403 RX VCO
R:6.6V R:1.0V
CHARGE PUMP Q405
R403 1k R414 * L406 D404 * C426 * L408 2SK508NV(K52) C432
R402 1k MA2S304
* C427
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
R423
100p
100p
100p
TC401
C428
470p
10p
*
10k Q402
HZU5ALL 2SA1832(GR) R418 R419 R421 L405
*
TCXO Q403 CV
1k 1k 1.5k R429 Q407 2SJ243
1.6V X401 KDC 4.9V R412 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
PLL IC R430 T/R SW
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
2SK508NV(K52)
VP
LD
C441
* L411 MA2S304 * C434 * L413
R405
R404
6.9V
10k
Q404
0
0.7V
1
2
3
4
5
6
7
8
9
L403 C418 R415 2SC4649(N,P) 0.3p
10
C435
C436
* L414
* R424 * L415
0.5p
6p
C411
MA2S304
C440
10u 1000p 0
* L412
D405
C433
470p
TX VCO
C412 0.1u
2 4.8V
R417
C408
*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
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