143
SCHEMATIC DIAGRAM /
原理图
NXR-810
X57-795 6/8, X58-509 (A,B/2) 1/1
AD
AC
AB
AA
Z
TX-RX UNIT (X57-7952-71)
RXASSIST
RXVCOA/B
80C
RX_CV
50C
150C_2
SPSCLK0
/TXPCS
50C
33C
1
2
3
4
5
6
7
1 OUTPUT
2 V+
3
INPUT+
4
INPUT-
5
V-
C205
0.1u
1
2
C207
10u20
R211
33k
C200
2.2u35
R203
0
R208
0
R201
10k
C206
47p
R204
220k
1
oUT
A
2
IN-A
3
IN+A
4
VSS
5
IN+B
6
IN-B
7
oUTB
8
VDD
C211
470p
R207
39k
R206
330k
C247
470p
R205
1k
R215
1k
C209
470p
C203
470p
1
2
3
4
5
6
7
8
C204
100p
D200
DA221
C208
10u20
C202
10p
R217
0
R214
0
CN201
C212
0.01u
R212
390k
R209
1k
R216
1k
C210
10u35
R200
22k
R213
10M
R202
10k
CN200
R210
120k
C201
2.2u35
R220
100
C361
470p
C376
470p
C368
10p
R364
270
C372
4p
L351
1u
D352
1SV325F
R370
100
R377
0
L358
17.5n
C370
6p
L356
1u
D355
1SV282-F
C365
4p
L363
1u
L350
1u
R350
470k
C371
5p
D359
1SV282-F
C378
4p
L355
1u
C359
0.01u
R358
0
C354
39p
C363
18p
D353
1SV325F
L354
1u
C362
27p
L361
1u
R365
47
C379
0.1u
L364
22n
C358
0.01u
C381
2p
D358
1SV282-F
L360
1u
R352
0
Q351
SSM6L05FU-F
L352
10u
R372
0
D361
1SV282-F
CN350
1
2
3
4
5
6
7
R379
0
C380
2p
R369
10k
D360
1SV282-F
C374
0.5p
C356
470p
R351
470k
R363
270
MCH3914(8)-H
Q352
C373
3p
L362
1u
C355
39p
R357
0
L353
1u
R368
33k
2SC5636
Q354
C357
470p
L359
17.5n
R367
33
R362
33
C367
470p
C375
0.5p
R354
470k
MCH3914(8)-H
Q353
D357
1SV282-F
C353
100p
Q350
SSM6L05FU-F
C369
8p
L357
1u
CN351
1
2
C366
470p
C364
6p
C377
470p
R366
47
R361
33
C352
100p
C360
470p
L212
C246
0.01u
1
G
2
INA
3
GND
4
oUTY
5
VCC
R374
0
C308
0.01u
R302
150
C320
100p
C321
100p
C309
0.01u
L312
R320
22k
R315
100
C316
100p
R304
4.7k
L310
R312
33
C310
0.01u
R321
10k
R317
100
C328
7p
C313
100p
C317
0.01u
R307
47
R305
0
C311
470p
R306
10
R313
10k
L305
L315
33n
C312
7p
R303
0
CN303
1
2
3
4
5
6
7
8
R301
390
2SC5636
Q300
R322
8.2
C333
0.01u
C331
470p
R316
10
L316
22n
7
NC
8
/OSC_AC_GND
9
OSC
10
OSCout
11
VCC_SOC
12
GND_OSC
13
LD/PS2
14
VCCcp2
15
CPout2
16
/Fvco
17
Fvco
18
VCCcp2
19
VCC_digital
20
Data
21
/CS
22
Clock
23
Mod_in
24
Max_out
1
VCC
2
Fin
3
/Fin
4
LD/PS1
5
VCCcp1
6
CPout1
25
GND
L300
R327
0
C315
100p
C306
10p
C330
4p
C324
100p
R311
10
R324
8.2
C300
0.15u35
L306
C314
1u25
C329 470p
R314
4.7k
L303
1.2u
R308
10
R325
0
C304
10p
C307
0.1u35
L309
22n
C326
100p
L313
C335
100p
C303
10u20
C318
100p
R323
150
R331
0
R319
150
C322
100p
R310
1k
R333
0
C332
10p
C382
5p
C383
5p
R247
10k
R239
0
L214
L200
27n
C214
5p(B)
C213
10p(B)
R221
100
C216
5p(B)
L201
27n
C325
12p
R318
120
L365
L366
RX_CV
RX_AST
GND
NC
VCO B
NC
RXVCOA/B
Vo
RX_CV
VCO A
80C_2
RXASSIST
GND
GND
NC
NC
RX_CV
80C_2
RXASSIST
RXVCOA/B
FIN
33C
/RXPCS_TR
50C
SPSD0
REF
LDR
SPSCLK0
Vo
GND
DC SW
SUB UNIT (RX VCO/PLL) (X58-5090-10) (B/2)
80C_2
DC SW
DC SW
VT1 -->
VT2 -->
VT1 -->
VT2 -->
19.2MHz -->
19.2MHz -->
19.2MHz -->
SUB UNIT (RX VCO/PLL) (X58-5090-10) (A/2)
BUFFER AMP
BUFFER AMP
SPSD0
SPSCLK0
RX_CV
50C
FIN
REF
LDR
33C
/RXPCS_TR
19.2MHz -->
FREQUENCY
CONTROL
D352,355,358,359
D353,357,360,361
FREQUENCY CONTROL
IC300
SKY72300-362
PLL
IC201
LMC7101BIM5
RX ASSIST
OP AMP
2SC5383-T111
Q200
DC SW
2SC5383-T111
Q201
DC SW
IC200
TC75W51FK(F)
OP AMP
IC203
TC7SH126FU-F
BUFFER
VCO OSC
Q353
VCO OSC
Q352
VCOA:3.3V
VCOB:0V
3V
VCOA:6.94V
VCOB:0V
VCOA:0V
VCOB:6.94V
7.09V
14.50V
13.87V
14.46V
5.07V
7.93V
7.17V
7.85V
5.07V
3.27V
3.27V
3.24V
4.94V
3.29V
5.07V
3.24V
3V