Schematic Diagram; 原理图 - Kenwood TK-3148 Service Manual

A
TK-3148
1
TX-RX UNIT (X57-6413-01) (A/3)
BATT
7.50V
CN400
14 +B
13 +B
12 SB
11 SB
10 EN4
9 EN3
2 8 GND
7 EN2
6 EN1
5 VOL
4 5M
3 GND
2 AUXKEY
1 S_DET
BATT
DET
AUX
KEY
3
TX-RX UNIT (X57-6413-01) (B/3)
4
R502
5
68k(D)
6
7
58
X57-641 1/5
B

SCHEMATIC DIAGRAM /

5M
7.50V
F400
L400
+B
2.5A
SURGE
ABSORPTION
+B
SB
CP400
47K*2
5MS
CP401
47k*2
R400
10k
5.0V
5MS SWITCH
Q400
2SJ347F
5M
R404
5MS
PROTECT
1M
SWITCH
T:3.44V
R:3.66V
R401
470k(D)
EVSS
R506 34
VSSD
0 35
VSSA
C507
36
R501 C502 MSKST
0.01u 37
91k(D) 0.1u PWRoP
C503 38
BASE BAND IC
PWRoN
0.01u 39
IC500
PWRGS
TC35453FG6
C504 40
PWRIN
C501 0.01u 41
EXPo
0.1u C508 42
ECHG
0.1u 43
EXPGS
44
EXPIN
R504
91k(D)
R509
0
RX AF MUTE
Q500
T:5.01V
DTC144EE
R:0V
C511
5600p(J)
C
原理图
5M AVR
IC401
XC6204B502MR
7.50V 7.20V
D405
1 5
VIN VOUT
2
RB521S-30
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
2SK1830F
+B
5MS
Q404
T:0V
2SJ347F
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
L77-1708-15
3.579545MHz
R520 4.7k
R519 1k
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
CMPIN
15 C525
ALCo
14 0.1u
CALC
13
MICGS
TX AF MUTE
12
MICIN
AF AMP,FILTER
TK62012F
C526 C531 1
5600p 0.015u 2
(J)
3
4
C516
150p
R516 R518 C524
180k 22k 1000p
MIS INPUT
PROTECT
C517
0.1u
C518
0.033u
D
DETECTOR
IC400
XC61CN4202NR
5.04V
5M
3 2
NC VIN
4.88V
4 1
RESET
VSS VOUT
5C AVR
IC403
5C
XC6204B502MR
5.05V
5
1
VIN VOUT
2
VSS
3 4
CE NC
Q406
2SJ347F
SAVE SWITCH
5CNS
T:0.23V
R:4.84V
R408
4.7k
AFMSKE
AFREG2
AFREG1
R531
180k
IC501
8
7 R537
6 0
5
R533
100k
C541
T:0V
0.056u
R:5.01V
Q502
MIC MUTE
2SK1830F
E
5M
5C
SAVE
INT
5TC
5T
+B
5R
SB
5MS
5M
EVSS
5CNS
RESET
5RC
CN500
1
XOUT
2
GND
3
AFCLR
4
AFRDT
5
AFRTM
6
AFTRD
7
8
CLK
9
AFDAT
10
11
12
AFSTB
13
5CNS
14
MMUTE
15
5TC
16
5C
17
GND
18
MICI
19
PTT
20
ME
21
ME
22
TXHSD
23
GND
24
TXAF
25
RXAFI
26
5RC
27
HSDIN
28
RXAFO
29
GND
30
GND