Text preview for : B51-8638-00(3-SD).pdf part of Kenwood B51-8638-00(3-SD) Kenwood VHF FM Transceiver VHF FM Transceiver Kenwood TK-7108H B51-8638-00(3-SD).pdf
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A B C D E F G H I J K L M N O P Q R S T
Note : Components marked with a dot (G) are parts of layer 1.
X57-6383-01 TX-RX UNIT CN800 X54-3340-20 DISPLAY UNIT
SCHEMATIC DIAGRAM TK-7108H
D9,11
RX VCO RF AMP T:4.8V RF SWITCH T:1.18V Q23 RF AMP
T:11.28V Q25 RF AMP
T:12.68V
R:13.6V
R888 T:12.68V ANT SW
D1 D2 R14 1
BUFFER AMP R:4.8V R:13.6V
C95 5p D19 DAN235E 2SC3357 2SC3357 C216 R224 C800 L800 L801
Q4,5 RX VCO Q15 1 8 R:1.253V Q20 R:7.39V C170 R178 C174 T:6.9V C514 T:7.54V 27p 12 820p 27n 27n C808 R805 L802 1.8A D801 2.7k
R:6.54V R:0.822V R:6.23V VCC1 VCC2 MA4PH633 C838 L806 L807 L808 B30-2238-05 B30-2238-05
CHARGE PUMP Q10 2SC5108(Y) 2SC4649(N,P) L25 C162 D1-4 Q10
L811
1000p
1000p
1000p
D1-4
47u25
9.5T
C811
C853
C815
C827
C829
CV L5 D11 C74 L9 2SK508NV(K52) C104 C115 C121 2 7 C133 C141 1000p 18 100p 10p 680p 330 7T NORMAL AMBER Q9 KRC102S
100p