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K
TK-3217
TX-RX UNIT (X57-713X-XX)
3.86V
C83
15p
THM
DCSW
APCSW
OSCIN
5C
B
5T
5R
R902
4.7k
Q901
2SK1824-A
RX_W/N
W/N SW/TX
TX_W/N
DTMF
DTRLOADN
STD
DIR
TDATA/DTRCLK
DI/O
SCLK
ROF/FD
TCLK/DTRDO
XIN
R422
XOUT
1k
BSHIFT ON:4.95V
OFF:0V
Q407
2SK1830F
BSHIFT
EEPCLK
EEPDAT
EEPROM
IC406
AT24128N10SU27
1
8
A0
VCC
2
7
A1
WP
3
6
R424
SCL
A2
4
5
R425
SDA
GND
THM
VOX
5M
BUSY
RSSI
AFCONT
OPTDET
RXD/PTT
TXD
PCTV
MIC_MUTE
QT/DQT_IN
PTTSW
SB
X57-713 3/4
L
SCHEMATIC DIAGRAM / 原理图
D101,202
TX/RX
RF AMP
RF SW
4.62V
Q9
C87
2SC4619
D101
10p
HSC277
R:2.934V
T:3.002V
R:5.01V
L72-0973-05
T:0V
C213
0.1u
C210
R208
82k
470p
IC201
TA31136FNG
FM IF
SYSTEM
R210
3.3k
W/N SW/RX
R211
Q202
3.3k
RT1P441U
W:0.015V
N:4.94V
C215
1000p
C450
X3
0.01u
L77-1633-05
C432
R423
R410
7.37MHz
C435
R409
Q408
0
5p
0
0
5p
2SK1830F
Q407,408
BEAT SHIFT SW
47k
47k
M
T:4.81V
R:0V
R103
*
T:2.846V
C101
C102
Q100
470p
12p
2SC4619
RF AMP
L250
5R
R:2.87V
18n
CF201
T:0V
C290
2p(B)
MCF
XF201
L71-0619-05
R:4.74V
38.85 MHz
C219
C224
R218
R216
oUT
120k
2
0.01u
33p
470
Q203
2SC4649(N,P)
IF AMP
R301
10k
FREQUENCY DIVIDER
IC407
TC7W74FU-F
1
8
CK
VCC
2
7
D
PR
3
6
Q
CLR
C451
4
5
GND
Q
0.01u
C452
1000p
3.6864MHz CLK
X57-713X-XX
0-21
3-01
N
O
RF AMP
T:4.96V
Q101
2SK3077F
C112
R112
R111
*
C107
7p
0
R453
22k
T:4.96V
THM
R:5V
BPF
R:5V
C231
R219
L204
Q204
IN
3SK318
270n
1
390
0.01u
MIXER
R:1.808V
R:0.47V
R226
1k
CN201
C302
R304
270p
27k
C312
12p
C315
1u
10
DTRLoADN
AGND
TCLK/DTRDo
11
TDATA/DTRCLK
RXIN
12
DI/o
RXINo
R306
13
IC301
RDF/FD
FILTERo
AQUA-L
1k
14
SCLK
EXPoUT
AUDIO PROCESSOR
15
DIR
RXAFIN
16
XoUT
RXAF
C313
C309
82p
120p
R310
R313
D301
RB706F-40
390k
100k
C311
R314
2.7k
1u
C310
0.068u
DETECTOR
L100
L101
L206
L290
R103
R106
R115
C
15n
15n
NO
30n
47k
22
10k
C2
33n
22n
39n
NO
33k
120
8.2k
0
5T
DCSW
APCSW
B
5R
R:1.795V
C239
1000p
TX_W/N
R316
120k
5M
LIMLV
32
31
RXIN
30
RXINO
29
FILTERO
28
EXPOUT
27
RXAFIN
26
RXAF
DTRAIN
C316
0.1u
R311
12k
AFCONT
OPTDET
RXD/PTT
TXD
PCTV
MIC_MUTE
QT/DQT_IN
PTTSW
SB
C107
C240
6p
3.5p
7p
1p
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