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TK-3148 SCHEMATIC DIAGRAM /
1
TX-RX UNIT (X57-6413-01)
4.88V
R403 RESET

BATT 7.50V 330k
F400 5M AVR
L400 +B
IC401
XC6204B502MR




2




1
C400




7.50V 7.50V 7.20V 5.04V




1SR154-400
470p




5M
SURGE




D402




VOUT
D405 1 5




VIN
ABSORPTION VIN VOUT
RB521S-30 2




C425


C426

100p
VSS




1000p




0.1u
C410



C419




C413


C415


R740
10u6.3


100p
5M PROTECT




4.7u




47k
3 4
CN400




VSS
CE NC




NC
14 +B +B

13 +B




3




4
IC400
12 SB




2




1
SB XC61CN4202NR




VIN




VOUT
11 SB CP400 DETECTOR
47K*2 DETECTOR
10 EN4 5MS IC404
XC61CN5002NR
9 EN3
2 5C AVR




VSS
NC
8 GND CP401 IC403
47k*2 XC6204B502MR 5C 5.05V
7 EN2




3




4
5
1
6 EN1 VIN VOUT
IC402 2
5 VOL R400




C421
XC62GR5012PR VSS




C424
C423
5.04V




1u




100p
10u
3 4
4 5M 10k 5.0V 1 5 CE NC
NC VOUT
3 GND 2
5MS SWITCH
1000p
1000p

1000p
1000p




VIN Q406




10u6.3
C416


C420




R413
100p




1.0M
2 AUXKEY 3 4 2SJ347




C411
CE VSS




1u
BATT 1 S_DET
Q400
C402
C403

C404
C405




DET




R406
2SJ347 SAVE SWITCH




10k
AUX
KEY 5CNS AVR
R404
R411




R414
470




10k
5C
1.0M
SAVE
MA2S111




INT
C740




5MS
D403
0.1u




5TC
PROTECT T:3.44V Q401 5T
R410




5MS SWITCH
SWITCH R:3.66V
1k




2SK1830
R401
+B +B
5R
470k(D)
SB
1000p
C408

R402

470k




5MS 5MS
(D)
BATT2




BATT1




5M 5M
AUX
VOL
EN1
EN2
EN3
EN4
220k
R407




3
EVSS
5CNS
RESET




T:0V Q404 5CNS
R:4.88V 2SJ347
T:0.23V



R409
Q403,404 R:4.84V




47k
5T SWITCH
5R SWITCH R408
Q405
R405




KTA2015(Y)
0




T:5.02V C741 4.7k
6.8u
6.3