Nautel NX15, Troubleshooting Manual

Page: 224 / 274

Issue 5.0 2016-05-06 SD-2
Figure SD-2: NX15/NX25 Transmitter - Exciter Stage
STAGE
FROM
FROM
TX (-)
J5
J1
P17
P42
W2P1
GND
-15V
+5V
+5V
1 kHz
1 PPS
B
A
J18
J16
P17
TO
STAGE
RX (-)
TX (+)
J8
J2
P14
W1P1
PWB
+15V
GND
J2
J2
PWB
PWB
J19
J17
S2070233 V2
GND
GND
GND
GND
INTERNAL BUS (-)
-15V
+15V
+15V
+15V
+5V
+5V
+5V
+5V
5
8
P43
SHIELD
SHIELD 7
8
SHIELD
EXPORTER
SHIELD
5
RX (+) 3
2
+5V
GND
10
9
7
5
4
2
8
6
4
3
1
W2P2
B8
B3
J3
B4
B7
B1
9
4
1
25
24
23
J1
21
16
3
19
6
5
A1
A6
10
9
7
5
4
2
8
6
4
3
1
INTERFACE
(PART 1 OF 4)
25
24
12
16
22
10
8
7
6
J1
4
DIGITAL
15
2
GND 22
GND J1 23
11
J18
18
25
24
17
16
22
20
8
7
J1
5
4
AM EXCITER
15
DIGITAL
GND 22
GND J1 23
11
J16
GND
DUMP 3 (EXCITER B)
DUMP 2 (EXCITER B)
GND
DUMP 1 (EXCITER B)
GND
GND
GND
GND
PDM 8 (EXCITER B)
PDM 7 (EXCITER B)
PDM 6 (EXCITER B)
PDM 5 (EXCITER B)
PDM 3 (EXCITER B)
PDM 2 (EXCITER B)
PDM 1 (EXCITER B)
RF DRIVE (EXCITER B) (-)
GND
GND
DUMP 3 (EXCITER A)
GND
DUMP 1 (EXCITER A)
GND
GND
GND
PDM 8 (EXCITER A)
PDM 6 (EXCITER A)
PDM 5 (EXCITER A)
PDM 3 (EXCITER A)
PDM 1 (EXCITER A)
RF DRIVE (EXCITER A) (-)
J15
J14
DUMP (+)
DUMP (+)
PDM 2 (-)
PDM 3 (-)
PDM 2 (+)
PDM 1 (-)
PDM 1 (+)
DUMP (+)
PDM 2 (-)
PDM 3 (-)
PDM 3 (+)
PDM 1 (-)
PDM 1 (+)
RF DRIVE 2 (-)
RF DRIVE 2 (+)
(N/U)
(N/U)
(N/U)
RF DRIVE 1 (-)
RF DRIVE 1 (+)
-15V
+15V
STAGE
GND
INTERNAL BUS (+)
B+ SAMPLE
-15V
+15V
6
4
6
1
+3.3V
8
6
3
PWB
1
7
5
2
W1P2
J4 P41
B9
B6
14
7
12
10
8
15
J22 A3
2
18
8
J21
6
3
1
7
J20
5
2
J8 P40
A11A1
CONTROL/
J2
18
13
17
20
9
19
5
AM EXCITER
J19
3
A11A3
10
J2
8
13
9
19
12
10
3
J17
6
A11A2
2
10
8
GND
GND
GND
PDM 9 (EXCITER B)
PDM 4 (EXCITER B)
GND
GND
GND
DUMP 2 (EXCITER A)
PDM 9 (EXCITER A)
PDM 4 (EXCITER A)
PDM 7 (EXCITER A)
PDM 2 (EXCITER A)
J3
PDM 3 (+)
DUMP (+)
PDM 2 (+)
(N/U)
RF POWER
RF CURRENT SAMPLE
RF VOLTAGE SAMPLE
REFLECTED POWER SAMPLE
FORWARD POWER SAMPLE
AC-DC POWER
(OPTIONAL)
A11A7
FROM LAN/
-15V 23
+5V
+5V
14
1
# PDM INHIBIT -
1
BALANCED AUDIO (-)
14
BALANCED AUDIO (+)
24
ANALOG AES/EBU
20
SERIAL DATA
9
SERIAL CLOCK
7
1 PPS
4
INTERNAL BUS (-)
3
INTERNAL BUS (+)
17
16
CURRENT SAMPLE (EXCITER B)
19
VOLTAGE SAMPLE (EXCITER B) 25
11
23
14
EXT 10 MHz
# PDM INHIBIT -
1
(N/U)
(N/U)
BALANCED AUDIO (-)
14
BALANCED AUDIO (+)
24
(N/U)
(N/U)
IQ AES/EBU
ANALOG AES/EBU
20
(N/U)
(N/U)
SERIAL DATA
9
SERIAL CLOCK
7
(N/U)
INTERNAL BUS (+)
4
SERIAL DATA (-)
INTERNAL BUS (-)
3
INTERNAL BUS (+)
17
(N/U)
SERIAL CLOCK (-)
16
SERIAL CLOCK (+)
(N/U)
19
25 VOLTAGE SAMPLE (EXCITER A)
SERIAL FRAME (+)
10MHz
B8
B6
B5
GROUP B
B3
B1
W62P1
A7
INTERFACE
A5
A4 (PART 2 OF 4)
GROUP A
A2
A8
A6
A5
A3
A1
W64P1
B5
RF POWER
EXGINE
GND 11
+15V 21
GND
EXT 10 MHz
IQ AES/EBU
21
2
SERIAL FRAME
12
1 kHz
15
6
# ADDRESS (EXCITER B) -
18
5
B+ SAMPLE 13
21
21
SERIAL FRAME
1
2
12
(N/U)
INTERNAL BUS (-)
15
# ADDRESS (EXCITER A) +
6
18
5 CURRENT SAMPLE (EXCITER A)
SERIAL DATA (+)
SERIAL FRAME (-)
B+ SAMPLE 13
B4
B7
A8
A3
B2
A6
PWB
A11A1
CONTROL/
A4
A1
A7
W61P1
A2
B2
STREAMING BUS (EXCITER B)
# RF DRIVE LATCH (EXCITER B) -
STREAMING BUS (EXCITER A)
# RF DRIVE LATCH (EXCITER A) -
RF DRIVE (EXCITER B) (+)
RF DRIVE (EXCITER A) (+)