57
SCHEMATIC DIAGRAM /
TK-2317
原理图
PL_D
A
T
PL_CLK
CM_IRQ
PL_STB
5TC
KEY2I
KEY1I
KEY3I
KEY4I
EN1
MIC_MT
VOX
CM_CLK
BATT
DCSW
CM_CSN
QT/DQT
KEY1O
KEY2O
KEY3O
KEY4O
LC_INH
LC_CLK
LC_CE
LC_D
A
T
LC_MOD
OPTDET
PL_UL
CM_DTI
CM_DTO
EN2
PF1
PF2
HSDDEC
BUSY
SB
TH_DET
5RC
5CC
CVIN
CVIN
WID/NAR
33M
33M
33M
33M
50M
50C
R842
22k
R 9 7 8
0
R702
47k
C832
0.1u
R 9 8 1
0
R 8 6 7
1 0 k
R 8 6 5
2 2 k
R
9
33
1k
C813
1u
R 9 6 8
1 k
R804
100
k
R861
82k
LSDO
CP836
1kx2
CP837
1kx2
C831
10u
C852
0.1u
R714
4.7k
C857
3300p
R81
9
100k
Q 8 0 2
S S M 6 L 0 5 F U - F
I C 8 0 8
N J M 2 9 0 4 R B 1 - Z B
A o U T
A - I N
A + I N
G N D
5
B + I N
6
B - I N
7
B o U T
8
V +
C P 8 0 2
1kx2
R 7 1 3
4 . 7 k
R703
47k
I C 8 0 1 X C 6 2 0 9 B 5 0 2 P R
1
N C
2
V S S
3
C E
4
5
R 8 5 2
1 0 0 k
R806
0
R70
9
1k
R860
100k
RESET
C861
1000p
IC807
XC6120N302N1
NC
VSS
4
VIN
3
Vo
U
T
R989
1k
R 8 1 6
1 0 0 k
R868
10k
R847
1M
VCC
C858
6800p
R 8 3 2
0
MANDN
R 9 9 3
4 . 7 k (D)
R
99
1
4.7k
R 8 3 1
0
C82
9
0.01u
VSS
C 9 1 3 3 3 0 0 p
C823
1u
EM_CLK
R86
9
4.7k
R835
1k
C848
270p
CP828
47kx2
R 8 5 0
1 k
R711
1k
R848
3.3k
C807
1000p
R 8 5 5
0
R704
47k
R705
1k
R712
1k
C 8 4 0
3 3 0 0 p
R 8 4 4
0
R805
100k
C808
1u
R
9
80
4.7k
(D
)
I C 8 2 0
F 3 6 3 B E D F E K D L B
1
BSHIFT
2
LSDO
3
HSDENC
4
EN1
5
EN2
6
MODE
7
NC
8
PL_CLK
9
RESET
10
XOUT
11
VSS
12
XIN
13
VCC
14
EMPTT
15
EN2
16
CM_IRQ
17
INT0
18
PL_UL
1
9
PTT
20
PL_STB
2 1
PL_DAT
2 2
NC
2 3
33MSC
2 4
TXD
2 5
RXD
2 6
EM_CLK
2 7
APCSW
2 8
TX/RX
2 9
5VC
3 0
5TC
3 1
EP_DTO
3 2
EP_CLK
3 3
CM_DTO
3 4
EMP
3 5
5RC
3 6
EP_WP
3 7
EP_DTI
3 8
EP_CS
3 9
CE
4 0
CM_CLK
41
CM_DTI
42
CM_CNS
43
DC_SW
44
KEY1O
45
KEY2O
46
KEY3O
47
KEY4O
48
KEY1I
4
9
KEY2I
50
KEY3I
51
KEY4I
52
PF1
53
PF2
54
LCDBL
55
LC_INH
56
LC_CLK
57
LC_D
A
T
58
LC_CE
5
9
LC_MOD
60
HSDDEC
6 1
QT/DQT
6 2
CVIN
6 3
BATT
6 4
VOX
6 5
BUSY
6 6
TH_DET
6 7
RSSI
6 8
WID/NAR
6 9
ASSIST
7 0
AF_MUT
7 1
MIC_MT
7 2
MAN_DN
7 3
5CC
7 4
LEDBLU
7 5
AVSS
7 6
GRNLED
7 7
VREF
7 8
AVCC
7 9
LEDRED
8 0
OPTDET
R 8 5 4
0
R814
100k
MODE
CP847
47kx2
R853
10k
R708
1k
R 8 3 0
1 0 k (D)
R
9
34
4.7k
C 8 4 2
3 9 0 0 p
I C 8 0 2
X C 6 2 0 9 B 5 0 2 M R
1 V I N
2 V S S
3 C E
4
N C
5
Vo U T
R 9 3 2
1 0 k
I C 8 1 0
S
Q
W
V S S
5
D
6
C
7
H o L D
8
V C C
R871
100k
R706
1k
C 8 5 0
1 0 0 0 p
R710
1k
R701
47k
R 8 3 6
1 k
R 8 5 7
6 8
CP827
47kx2
C85
9
1u
Q 8 0 3
S S M 6 L 0 5 F U - F
R 8 5 8
0
C821
1000p
C 8 4 9
0 . 1 u
C833
0.1u
C812
1u
R707
1k
CP845
4.7kx2
C834
1000p
R872
120
C844
0.1u
R815
100k
R 9 1 6
1 2 k
R 8 3 9
0
C843
0.001u
R845
10k
CP846
4.7kx2
5 0 C
5 0 M
E E P RO M
R E S E T
H S D H P F
H S D A M P
H S D L P F
M C U
D C S W
D C S W
AV R
TXD
SB
BUSY
PTT/RXD
WID/NAR
VOX
VOLOUT
INT0
33MSC
VOLIN
MIC_MT
HSDEC
LCDBL
LEDGRE
LEDRED
PTT/RXD
OPTDET
EMPTT
BUSY
PTT/RXD1
MICMT
B
VOLIN
WID/NAR
THDET
AFCONT
THDET
AFCONT
5 0 R
5 0 T
50VC
50T
50R
VOX
50VC
V I N
Vo U T
1
2
3
4
UCLK
AVR
1
2
3
4
1
2
33M
33MS
5CC
ASSIST
LSDO1
VOLOUT
50C
TX/RX
APCSW
DCSW
BSHIFT
33MS
B
LEDBLU
QT/DQT
33M
RSSI
VOX
QT/DQT
HSDIN
HSDENC
VOLOUT
R: 0V
T:4.9V
3.3V
3.3V
7.4V
3.3V
3.3V
5.0V
3.3V
5.0V
R:4.9V
T: 0V
R: 0V
T:3.3V
R:3.3V
T: 0V
ON:3.3V
X57-788 2/6
TX-RX UNIT (X57-7880-20)
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