Download NX-300 - SYSCOM

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PC BOARD
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NX-300
1
TX-RX UNIT (X57-7370-10) (A/2)
Component side view (J79-0128-19 A/2)
2
C946
R642
R645
R647
R648
C640
CN901
1
4
C641
IC600
PTT 1
GND
Side_G
Side_1
Side_2 5
R654
C636
R655
C945
C971
C943
8
5
4
IC900
1 5
3
Q905
R927
5V
S1
D901
C958
C956
6
4
C761
C626
C951
TXI
Q704
C955
OPT6
POW
R910
R905
C948
OPT1
R907
R902
R909
C908
C904
C906
C910
C915
C919
R432
C926
C930
C934
C938
C941
D900
C912
C917
R431
C925
C928
C932
C936
C940
+
L901
8
OPT4
DGND
OPT3
R903
R900
AGND
1
OPT10
B
E
B
Q900
C
IC901
C
5
Q904
3
4
1
4
C953
9
J79-0128-19 B/2
8
C962
C974
5
/EMG 2
LED_G
IFC
LED_R
I2CCK
/SAVE
I2CSDA
/5TC
/T_R
SBC
ASSIST
TV2
VAGC
TV1
TCXO_MOD
5RC
RSSI
GND
CV
GND
NC
GND
+B
NC
+B
+B
+B
NC
NC
GND
PTT
Side_G
W/N
Side_1
SDO1
Side_2
/PCS_RF
/DSW
/APCSW
APC
THP
VCO_MOD
RFAGC
PLD
GND
SCK1
GND
S_DET
IF_DET 50
R914
1
49 NC
R904
CN900
C973
C907
R923
C967
R926
R925
R430
C933
C929
C937
C966
R928
C914
C905
C916
C918
C920
C922
C927
C923
C931
C935
C939
R901
OPT5
OPT2
C950
C949
C942
7
OPT7
R913
R911
S D
G G
D S
OPT11
Q901
Q902
R918
R916
3
R758
S D
G G
D S
C977
4
1
R763
IC702
5
R764
C766
6
OPT8
R906
D604
S
RXEI
DTI
C957
R633
C622
R908
D902
R755
D700
C900
C903
Q604
OPT9
IC902
F900
5
RXEO
1
3
+
4
TXO
C964
C961
L900
G
R922
R920
S
D
R921
C963
R661
R659
R660
R629
TX-RX UNIT
(X57-7370-10) (B/2)
C913
C976
Q608
3
3
C969
R651
10
C972
Component side
Layer 1
Layer 2
Layer 3
Layer 4
Layer 5
Layer 6
11
Foil side
12
13
69
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