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A
TK-3148
1
TX-RX UNIT (X57-6413-01)
BATT
L400
7.50V
CN400
14
+B
13
+B
SB
12
11
SB
10
EN4
9
EN3
2
8
GND
7
EN2
6
EN1
5
VOL
4
5M
3
GND
AUXKEY
2
1
S_DET
BATT
DET
AUX
KEY
3
4
R501
91k(D)
R502
68k
(D)
5
R504
91k(D)
T:5.01V
R:0V
6
7
60
X57-641 1/5
B
SCHEMATIC DIAGRAM / 原理图
7.50V
F400
+B
SURGE
ABSORPTION
+B
SB
CP400
47K*2
5MS
CP401
47k*2
R400
10k
5.0V
5MS SWITCH
Q400
2SJ347
R404
1.0M
5MS
PROTECT
T:3.44V
SWITCH
R:3.66V
R401
470k(D)
R506
0
34
VSSD
C507
35
VSSA
0.01u
36
C502
MSKST
37
0.1u
PWROP
C503
38
BASE BAND IC
PWRON
0.01u
39
IC500
PWRGS
TC35453F
C504
40
PWRIN
C501
0.01u
41
EXPO
0.1u
C508
42
ECHG
0.1u
43
EXPGS
44 EXPIN
R509
0
RX AF MUTE
Q500
DTC144EE
C511
C516
5600p
150p
(J)
R516
180k
C
5M AVR
IC401
XC6204B502MR
7.50V
7.20V
5M
D405
1
5
VIN
VOUT
RB521S-30
2
VSS
5M PROTECT
3
4
CE
NC
DETECTOR
IC404
XC61CN5002NR
IC402
XC62GR5012PR
5.04V
1
5
NC
VOUT
2
VIN
3
4
CE
VSS
5CNS AVR
Q401
5MS SWITCH
2SK1830
+B
5MS
5M
Q404
T:0V
2SJ347
R:4.88V
Q403,404
5T SWITCH
5R SWITCH
Q405
KTA2015(Y)
T:5.02V
R:0V
T:4.63V
R:0V
Q403
5R
DTC144EE
5T
X500
3.579545MHz
L77-1708-05
R520
4.7k
R519
1.0k
T:4.90V
T:4.89V
22
R:5.04V
R:5.04V
STB
21
R523
VDDD
20
47
VDDA
19
TXFI
18
C527
0.1u
CMPO
17
C528
0.1u
CCHG
16
COMPIN
15
C525
ALCO
14
0.1u
CALC
13
MICGS
TX AF MUTE
12
MICIN
R531
180k
IC501
AF AMP,FILTER
TC75W51FU
C526
C531
1
5600p
0.015u
2
(J)
-
+
3
4
R518
C524
22k
1000p
MIS INPUT
PROTECT
C517
0.1u
C518
2SK1830
0.033u
D
4.88V
R403
RESET
330k
5.04V
IC400
XC61CN4202NR
DETECTOR
5C AVR
IC403
XC6204B502MR
5C
5.05V
5
1
VIN
VOUT
2
VSS
3
4
CE
NC
Q406
2SJ347
SAVE SWITCH
5CNS
T:0.23V
R:4.84V
R408
4.7k
AFCLR
AFRDT
AFRTM
AFTRD
AFMSKE
AFDAT
AFREG2
AFREG1
AFSTB
MMUTE
8
7
R537
TXHSD
6
0
+
-
5
RXAFI
R533
100k
HSDIN
RXAFO
C541
T:0V
0.056u
R:5.01V
Q502
MIC MUTE
E
5C
SAVE
INT
5TC
5T
+B
5R
SB
5MS
5M
EVSS
5CNS
RESET
5RC
CN500
1
XOUT
2
GND
3
4
5
6
7
8
CLK
9
10
11
12
13
5CNS
14
15
5TC
16
5C
17
GND
18
MICI
19
PTT
20
ME
21
ME
22
23
GND
24
TXAF
25
26
5RC
27
28
29
GND
30
GND
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