Text preview for : B51-8639-00(3-SD).pdf part of Kenwood B51-8639-00(3-SD) Kenwood UHF FM Transceiver UHF FM Transceiver Kenwood TK-8108H B51-8639-00(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.
X57-6393-01 TX-RX UNIT CN6 X54-3340-20 DISPLAY UNIT
SCHEMATIC DIAGRAM TK-8108H
D9,11
RX VCO
BUFFER AMP RF AMP D19 T:5.35V Q39 RF SWITCH T:7.18V Q23 RF AMP
T:1.58V
R803
T:13.58V
R:12.60V
R888 T:13.58V
R:12.6V
D1 D2 R14 1
Q4,5 C95 5p RF SWITCH DAN235E 2SC5110(O) 2SC3356(R24) D801,802 2.7k
RX VCO Q20 1.8A
C807
C805
Q15 C170 C174 C199 0 L803
L800
470p
R:6.7V R:0.8V R:6.3V R:1.49V T:6.7V
3.3n
0.1u
CHARGE PUMP Q10 2SC5108(Y) ANT SW L808 L809 B30-2238-05 B30-2238-05 D1-4
2SC5108(Y) R289 C162 RF AMP Q10
D11
1000p
D1-4
47u25
C818
C821
C823
C832