Service Manuals, User Guides, Schematic Diagrams or docs for : Kenwood VHF FM Transceiver VHF FM Transceiver Kenwood TK-2168 B51-8654-00-SDP
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A B C D E
TK-2168 SCHEMATIC DIAGRAM
1 TX-RX UNIT (X57-6720-31)
PLLB PLLB
R16
0.1u
C19
L5
1k
CP1
47k*2
47k*2
CP2
CP3
1k*2
1000p
C34
Q3 CP4
16
15
14
13
12
11
10
Q2
100p
100p
100p
9
UMG9N UMG9N 1k*2
Q1-3
R
P
LD/FOUT
ZC
PS
LE
DATA
CLOCK
MB15E03SL
LEVEL SHIFT
1000p
CV
C11
C12
C13
R19
C37
10
OSCOUT
IC1
Q1
OSCIN
DTC144EE
2
XFIN
GND
VCC
FIN
DO
VP
PLL SYSTEM
R25
10k
R6
1
2
3
4
5
6
7
8
R15
47k 0 R20 R21 R23 R24
R7
0
0 0 120 470
10u6.3
560
R22
C18
C14
R:3.63V
0.1u
10u6.3
1000p
C25
C22
0.68u20
0.22u35
0.1u
0.68u20
C24
10u6.3
C32
C36
C38
C39
0.01u
C6
LD LD
PLLCLK PLLCLK
PLLDATA PLLDATA
PS PS
LE LE
7.5V 5C 5C
L801 F801 5T 5T
B B B
BATT
SAVE SAVE
VOLOUT
1SR154-400
BATT
3 LOCAL
1000p
D805
AF AMP
C828
R443 5R
DET
R435
220k
IC606 220k EN1
TC75S51FE EN2
EN3
REVERSE 4 3 R436 EN4
PROTECTION VR801 BATT
W/N SWITCH/TX MOD
2 47k R31-0624-05
VSS Q400
R434
5 1 C443 R428 C400 SB
10k
5C VDD A 2SK1824
R802
1u 5.6k 2.2u
C487
0.1u
100
R437
220k
R429
R803
1000p
5.6k
C440
C442
R815
0
0
0.1u
BATTSEL BATTSEL
R860
R816
1000p
R17
220k
1000p
VR1
C852
C15
R12
5R
1000p
22k
100
C2
R12-7491-05
100 C33
1000p
C27
R9
150n
L3
C23
R13
2.2u
0
39k 47p
5C 2.57V C30 L6
R4
0
1000p
R1 R2 R3 C4 1 4
0.01u
C7
C9
100n
5R
22p
SB
4 CN801 VC +DC
470k
R18
20 22k 10k 47k 2.2u
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