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TK-3207 SCHEMATIC DIAGRAM /
TX-RX UNIT (X57-6890-XX)
X57-6890-XX D210 L16 L17 L100 L101 L107 L206 L211 L223 L230 L290 L412 R120 R194 R241 R449 R450 C52 C53 C54 C55 C56 C57 C58 C59 C61 C62 C64 C65 C66 C67
T:4.81V RF AMP T:4.96V TX DRIVE AMP R:7.61V * R120 TX FINAL AMP
-20 M HVC355B 22n 27n 15n 15n 1.2n NO 8.2n L34-4572-05 47n 30n NO NO 47k 1.0M NO NO 11p 2p 6p 11p 2p NO 6p 1p 3p 2p 4p 6p 6p 5p
T:1.36V Q102 T:7.26V C123 Q103 -21 C HVC355B 22n 27n 15n 15n 1.2n NO 8.2n L34-4572-05 39n 30n NO NO 47k 1.0M NO NO 12p NO 6p 12p NO NO 6p 1p 3p 2p 5p 7p 7p 5p
R:0V C112 L104 33p L107
R9 0 T:3.37V TX/RX T:2.846V
R103
* C107 R112 R111 L103 2SK2596 * R123 2SK3476
-22 C2 NO 27n 33n 33n 22n NO 39n NO NO 56n NO L34-4564-05 0 22k NO 0 0 11p 4p 7p 12p 5p 0.5p 7p 1.5p 4p 3p 4p 5p 5p 4p
L6
L19 RF SW 8.2n
*C121
8.2n
* C116
CV R40 47k 7p 0 0 (G) 0
* C132
R10 0 D2,4,6,7 C87 D101 C101 C102 Q101
R32
VCO OSCILLATION (TX) 4.62V
1k
* L100
2SK3077
R105
R110
220n
* L101
* C127
* C125
100
330
330
FREQUENCY
R190
470p
L105
C69
C72
0
15n
1000p
R11
100
0.1u
C40 D6 RF BUFFER AMP Q100
C33
R20
10p HSC277 470p 12p
R116
L220
10
CONTROL
2.5n
R23
10k
22
Q6 3.86V 2SC4619
R5 /TX VCO RF AMP
100p
100p
X57-6890-XX C107 C116 C121 C125 C127 C132 C145 C151 C152 C156 C157 C169 C240 C244 C245 C246 C247 C248 C249 C252 C253 C257 C267 C274 C275 C276 C444
100p
3p
C11
HVC376B C78
C8