Schematic Diagram; 原理图 - Kenwood TK-2317 Service Manual

F
TX-RX UNIT (X57-7880-20)
TH_DET
33M
3.3V
LCDBL
HSDEC
R9 6 8
1k
VOX
BUSY
R83 0
1 0 k (D)
LEDBLU
WID/NAR
MIC_MT
MANDN
R831
R8 32
0
CP8 02
LEDGRE
LEDRED
EN2
EN1
33MS
5CC
R816
33M
1 00k
3.3V
R E S E T
VOLIN
33MSC
HSDDEC
INT0
VOLOUT
5CC
ON:3.3V
AVR
I C802
XC620 9 B5 02 M R
1 V I N
Vo U T
2 V S S
3 C E
NC
5 0 C
VOX
MIC_MT
WID/NAR
SB
BUSY
PTT/RXD
B
G

SCHEMATIC DIAGRAM /

THDET
AFCONT
CVIN
R9 78
0
61
QT/DQT
R993
62
CVIN
4. 7k (D)
63
BATT
6 4
VOX
R9 81
65
BUSY
0
66
R8 36
TH_DET
1k 67
RSSI
6 8
WID/NAR
69
ASSIST
70
AF_MUT
71
MIC_MT
R855
7 2
MAN_DN
0
73
5CC
R85 0
74
LEDBLU
1k
75
AVSS
0
76
GRNLED
77
VREF
78
AVCC
79
LEDRED
OPTDET
1kx2
80
LSDO
RESET
MODE
3.3V
R 8 5 2
1 0 0 k
R 8 5 4
0
50C
C9 1 3 3 3 0 0 p
C8 4 2
39 0 0 p
C 8 4 0
3 3 0 0 p
5.0V
HS D H PF
5
R839 R9 16
0 1 2 k
4
QT/DQT
VOX
VOLOUT
H
33M
CM_CLK
EP_CS
EP_DTI
EP_WP
CM_DTO
MC U
EP_CLK
EP_DTO
I C8 2 0
F3 6 3 BED FEKD L B
APCSW
EM_CLK
33MSC
PL_DAT
C 8 5 0
VSS
R858
VCC 1 0 0 0 p
0
C 8 4 9
0 .1 u R9 3 2
10k
OPTDET
3.3V
H S D L P F
HSD AMP
1
A o U T V +
8
2
A-IN
B o U T
7
R8 4 4
3
A + I N
B - I N
6
0
4
G N D
B + I N
5
I C 8 0 8
N J M 2 9 0 4 R B 1 - Z B
I
TK-2317
原理图
I C 8 1 0
CM_CSN
CM_DTI
1
S
2
Q
3
W
4
VSS
4 0
CE
3 9
CM_CLK
38
3 7
3 6
5RC
3 5
R7 1 3
DCSW
EMP
34
4 .7 k
CM_DTO
3 3
3 2
3 1
5TC
3 0
5VC
29
5RC
TX/RX
2 8
27
EM_CLK
2 6
RXD
25 50VC
TXD
2 4
2 3
NC
2 2
21
R989
1k
R8 5 7
6 8
I C 8 0 1 X C 6 2 0 9 B 5 0 2 P R
4
V IN
V S S
5
Vo UT
50M
5TC
Q 8 0 2
D C S W
S S M 6 L 0 5 F U - F
5.0V
Q 8 0 3
D C S W
S S M 6 L 0 5 F U - F
R8 6 5 R8 6 7
1 0 k
2 2 k
J
THDET
AFCONT
CVIN
BATT
3.3V
33M
EEP ROM
V C C
8
H o L D
7
C
6
D
5
33M
DCSW
TX/RX
APCSW
50M
BSHIFT
33MS
TXD
UCLK
50C
VOLIN
7.4V
C E
3
AVR
2
N C
1
R: 0V
T:3.3V
5 0 T
50VC
R:3.3V
T: 0V
R: 0V
T:4.9V
5 0 R
R:4.9V
T: 0V
50T
50R
LSDO1
ASSIST
HSDENC
QT/DQT
VOX
RSSI
HSDIN
33M
MICMT
WID/NAR
PTT/RXD1
SB
EMPTT
BUSY
PTT/RXD
OPTDET
VOLOUT
B
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