Nautel NV3.5, Troubleshooting Manual, Page: 185 / 228

Issue 3.2 2014-12-10 SD-9
Figure SD-9: NV5/NV3.5 Transmitter - RF Power Stage (Sheet 3 of 3)
J1
P13 J3
J5
J4
J2
PWB A
J1
B
A
J7
J6
RT4
RT3
RT2
RT1
A15
100K
R1
POWER
AC/DC
STAGE
SHEET 2
FROM RF
GND
ASSY
2-INPUT
PWB
2-INPUT
A14B1L1
N/C
N/C
N/C
GND
A14W1P2
2
3
1
3
1
3
1
3
A14B2P1
1
3
A14B1P1
7
4
5
2
9
A14W1P1
FAN V
REJECT LOAD
GND
N/C
N/C
N/A
N/A
REJ FAN TACH 2
TO
REJ FAN TACH 1
N/A
N/A
N/A
GND
REJ PWR SAMPLE 2
FROM
SHEET 3
POWER STAGE
GND
S2060293 V1
REJECT
A14
LOAD
A14B1
LOAD
REJECT
J2
A1
A14B2L1
N/C
N/C
GND
N/C
4
1
2
2
2
2
8
6
10
3
1
RXE110
RXE110
RXE110
RXE110
TP1
(4-WAY)
INTERFACE
GND
GND
N/C
N/A
N/A
GND
N/A
REJ PWR SAMPLE 1
A14B2
NOTE:
REJ A FAN TACH 2
REJ A FAN VOLTS 2 +
REJ A FAN TACH 1
REJ A FAN VOLTS 1 -
REJ A FAN VOLTS 1 +
7
5
4
SPARE
9
2 REJ PWR SAMPLE 2
19
17
16
14
13
12
STAGE
SHEET 1
CONTROL/
11
7
4
5
2
9
W11P1
UNUSED CONNECTOR PINS ARE NOT SHOWN FOR SIMPLICITY.
0.1
C3
0.1
C4
REJ A FAN VOLTS 2 -
0.1
C1
0.1
C2
3
10
6
8
1 REJ PWR SAMPLE 1
J1 W34P2
20
18
15
MONITOR
8
6
10
3
1
FAN VOLTS (REJECT LOAD A) +
FAN VOLTS (REJECT LOAD A) +
5kW REJ LD PWR (1/2)