Kenwood NXR-710 Service Manual page 95

AJ
TX-RX UNIT (X57-7940-10)
3dBm
C680 C667 L609
1000p 3p(B) 15n
8TC
80C
C130 R125 R128 R129
1000p 0 0 0
IC101
LMC7101BIM5
1 OUTPUT 5
V-
2
V+
3 4
INPUT+ INPUT-
OP AMP
VT1 -->
136-174MHz -->
C237 R238
8p(B)
0
30R
80R
-113.6dBm
C356 C318 R323
10p 150
27p(G)
Note : The components marked with a dot (
AK
SCHEMATIC DIAGRAM
AMP
C674 R672
7.82V
22p 18
2.12V
Q606
2SC5636
RF AMP
1.42V
BPF
-122.0dBm
C134 C138 L113
1000p 10p(B) 270n
D105,106
FREQUENCY
CONTROL
R132 R114
100k 100
FL:2.72V
FC:4.22V
FH:6.74V
LPF
L208 L209 L210
33n 33n 33n
3.00V
MCF
XF300
-101.4dBm
L71-0649-05
OUT IN L310 C329
330n 0.01u
•
) are parts of layer 1.
AL
R:7.96V
T:4.26V
RF SW
C685 D601 C679
1000p HVC131 1000p
DC SW
Q607
SSM3K15TE(F)
C147 C151 L116
10p(B) 1000p 9T
D107,108
FREQUENCY
CONTROL
3dB ATT
R244 194.05-232.05MHz --> C322
18
1000p
R320
22
R316
10
7.21V
C342 R311
18p 10
RF AMP
R312
Q301
2SC5337
10
1.53V
AM
NXR-710
0dBm
1dB ATT
136-174MHz -->
R681 C683 CN610
5.6 1000p
GND SPRING
CN102 CN106
-118.0dBm
CN101
L117 L118
RX ANT
9T 9T
<-- 136-174MHz
136-174MHz -->
3.3dBm
L308 C331
2.2n 1000p
MIXER
IC300
ADL5350ACPZ
L309
100n
2.76V
R332
47
IF POST AMP
2.26V -115.7dBm
L320 C338
180n 0.01u
AN
1
FINAL UNIT
(X45-3920-10)
(A/3)-CN1
2
3
4
5
6
7
95
X57-794 8/8