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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