Kenwood NX-300 Service Manual page 71

J K
TX-RX UNIT (X57-7370-XX) (A/2) -10 : K,K3 -11 : K2,K4
Component side view (J79-0128-39 A/2)
C640 R648
R651
C641
R654
C636
R655
Q608
R659
S
D
660
G
+
F900
D700
604
R633
C761
C626
D604
R758
R629 C622
S
R950
R951
C942
L M
1
PTT
GND
C945
Side_G
Side_1
C943
5
Side_2
C913
D901
R755
Q704
R906
Q902
S D
G G
R918
D S
C948
C904
R589
CN900
C907
N O
PC BOARD
C971
R921
R922
Q905
C964
R908
D902
C951
C957
C955
R910
R913
R907 R909
+
C950
L901
C949
5
1
Q904
3 4
C974
C973
C972
C967 R926
R925
R934
P Q R
NX-300
TX-RX UNIT
C976
(X57-7370-XX) (B/2)
5V
OPT9
DTI
OPT8
OPT11
OPT7
R902
OPT5
OPT4
OPT3
OPT10
J79-0128-39 B/2
Component side
Layer 1
Layer 2
Layer 3
Layer 4
Layer 5
Layer 6
S
1
2
3
4
TXO
5
RXEO
RXEI
TXI
6
OPT6
POW
7
OPT1
OPT2
8
DGND
AGND
9
10
11
Foil side
12
13
71
14