Nautel XR12, Troubleshooting Manual, Page: 215 / 283

Issue 3.1 2014-05-07 SD-1
Figure SD-1: XR12 Transmitter - Control/Monitor Stage (Sheet 1 of 4)
(+)
(+)
(+)
(+)
(-)
(+)
(-)
(+)
(-)
(-)
(-)
4
5
5
3
1
16
14
12
10
8
6
4
2
(N/U)
GND
(N/U)
(N/U)
GND
(N/U)
(N/U)
GND
(N/U)
(N/U)
J2
J6
J5
PWB
U2P1
P3
P4
CE
VEE
WR
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
(N/U)
GND
(N/U)
GND
J4
J1
J5
J6
J9
J1
J5
J9
P6
P7
J4
D7
D5
D4
D2
VSS
D0
GND
GND
(N/U)
(N/U)
GND
GND
GND
+5V
+5V
-15V
GND
GND
+15V
GND
+24V
GND
GND
(N/U)
(N/U)
GND
GND
(N/U)
(N/U)
(N/U)
P3
P4
J9
J4
J5
J11
J1
3
P5
-
+
GND
GND
(N/U)
(N/U)
J13
TB1
(-)
(-)
(+)
*
RXD
*
*
**
(-)
(-)
(-)
(-)
(-)
(+)
(+)
(+) 9
6
4
2
11
15
13
3
5
7
9
1
J2
TB2
TB1
J13
(N/U)
GND
GND
GND
(N/U)
(N/U)
J1
FS
RD
C/D
VCC
GND
GND
J6
D6
FGND
D3
D1
GND
GND
GND
GND
GND
+15V
GND
(N/U)
GND J7
J6
4
GND
GND
GND
(N/U)
J8
J5
(+)
(N/U)
*
GND
TXD
*
J6
S2030016 V1
FROM SHEET 3
IBOC
P14 J7
J3
24
22
21
19
17
15
14
12
10
PHASE **
J10
EXT RF IN
REMOTE
(+)
PDM
(+)
(-)
(-)
(-)
POWER
(-)
POWER
(-)
RESET
(-)
RF ON
(-)
RF OFF
INTERLOCK
39
32
33
30
27
28
23
18
21
16
14
13
P15
9
5
3
P2
COMMON 17
SOFT KEY 1
15
SOFT KEY 3
14
KEY
12
INCREASE
POWER
POWER
11
REMOTE
10
6
39
33
32
30
27
28
23
21
18
16
13
14
P1
20
9
10
J9
7
5
4
12
13
J4
10
4
2
DISPLAY
A1A1
(PART 1 OF 2)
40
39
37
34
35
32
J7 29
30
27
18
19
16
2
3
LED_K
LED_A
RESET
U2P2
(N/U)
# INHIBIT PM (A) -
P6
(N/U)
(N/U)
# PM RESET -
# INHIBIT RF DRIVE -
(N/U)
INT SERIAL BUS +
# RESET PDM -
# SOFTSTART -
P7
GAIN CONTROL
MAG/AUDIO
A1U1
INTERFACE
EXCITER
(PART 1 OF 3)
DC CURRENT SAMPLE
PDM 1 SAMPLE
# PM INSTALLED (C) -
# PM INSTALLED (A) -
# PDM LATCH (A) +
GND
CARRIER REF
+24V
Fc SAMPLE
+15V
GND
GND
+5V
PWB
A1A1
(LED 8)
(LED 7)
(LED 6)
(LED 5)
POWER SUPPLY
(LED 4)
(LED 3)
(LED 2)
NETWORK
(LED 1)
LOCAL
REMOTE
RF OFF
RF ON
+15V
(PART 2 OF 2)
EXT TXD
P1
36
37
26
19
20
11
9
7
5
2
3
P15
SHIELD AUDIO 16
15
13
GAIN CONTROL
SHIELD 10
11
J1
8
7
6
-5V 4
+15V
+5V
2
1
21
19
18
16
14
13
J3 11
9
8
6
# RF ON STATUS -
4
3
1
24
SHIELD 8
J2 SHIELD
5
6
SHIELD 4
3
1
GND 18
J12 3
W11P1
TO DYNAMIC
CARRIER CONTROL
DC INPUT
ETHERNET
PORT 1
(OPTIONAL)
NxLINK
INPUT
20
22
23
25
18
13
16
11
PWB
GND
(-)
INHIBIT
SHIELD
A2A6
(+)
(+)
(+)
(+)
(+)
(+)
(+)
40
24
29
31
34
17
15
22
8
8
SHIELD
4
2
18
KEY
SOFT KEY 2
11
13
16
LOCAL
COMMON
DECREASE
RF OFF
10
9
8
RF ON
(PART 1 OF 2)
7
40
34
31
29
24
8
22
15
17
19
8
6
3
5
11
1
CONTROL
38
33
36
31
28
1
12
17
21
(N/U)
(N/U)
# INHIBIT PM (B) -
CARRIER REF
(N/U)
# INHIBIT FAN PS +
# INHIBIT PM (C) -
(N/U)
# SHUTBACK -
INT SERIAL BUS -
# EXCITER B -
EXTERNAL Fc
GRAPHIC
DISPLAY
PWB
A2A1
PA VOLTS SAMPLE
RF DR VOLTS SAMPLE
+48V SAMPLE
B+ SAMPLE
PDM 2 SAMPLE
# PM FAULT (C) -
# PM FAULT (B) -
# PM INSTALLED (B) -
# RF DRIVE FAIL -
# PM FAULT (A) -
# PDM LATCH (B) +
-15V
GND
DISPLAY
(PART 2 OF 2)
CONTROL
AC MAINS
R
R
R
CHANGEOVER
LOW VOLTAGE
POWER SUPPLY
+15V
EXCITER
IPA/PA
OUTPUT
R
R
R
(LED 12)
(LED 11)
(LED 10)
(LED 9)
R
R
R
EXT RXD 35
38
25
12
1
10
4
6
GND
SHIELD
21
14
12
9
GND
SHIELD AUDIO
-15V
5
3
20
15
20
17
12
2
5
7
10
7
23
25
SHIELD
+24V
5
2
17
RF MONITOR
2
PWB (OPTIONAL)
U5
R
R
R
RF SAMPLE
IBOC INPUT
IBOC INPUT
PRESET 6
PRESET 5
PRESET 1
PRESET SCHEDULER
AUTO/MANUAL
PWB (A15) (SEE SHEET 2)
TO J14 OF RF DRIVE BUFFER
MAGNITUDE
(PART 1 OF 2)
# EXT PDM INHIBIT -
INPUT
EXCITER B
EXCITER A
# EXT RF ON -
DECREASE
INCREASE
18 12 18
15
16
10
9
16
15
13 7 13
2
11 5
4
11
2
U2P1 U2P2
40 40
38
37
38
37
35 35
32
33
33
32
30 30
28
27 12
13 27
28
25 10 25
23
22 2
4
23
22
20 20
17
18 17
18
15 15
8
9 39
40 8
9
6 37 6
26
35
34 26
24 32 24
# INHB RF DRIVE FAULT + 22
20
30
29
22
20
14 27 14
10
11 18
19
11
10
8 16 8
6
5 2
3
6
5
20 19
15
14 10
17
12 5
8
9
3
2
# RMT COMMON -
# DCC ENABLE -
2
# AUTO EXCITER STATUS -
# MEMORY BAT ALARM -
2
# RF OVERCURRENT ALARM -
# EXCITER CHANGEOVER ALARM -
5
# SHUTBACK ALARM -
# LVPS FAIL ALARM -
4
# EXCITER FAIL ALARM -
# POWER MODULE FAIL ALARM -
3 # HIGH VSWR ALARM -
# PRESET 6 STATUS -
# PRESET 5 STATUS -
# PRESET 4 STATUS -
# PRESET 2 STATUS -
# PRESET 1 STATUS -
REMOTE
# REMOTE STATUS -
(PART 2 OF 2)
# PDM INHIBIT ALARM -
36
37
# PRESET SCHEDULER STATUS -
26
DC CURRENT SAMPLE
20
19
INT SERIAL BUS -
INT SERIAL BUS + B+ VOLTAGE SAMPLE
11
REFLECTED POWER SAMPLE
9
7 RF OVERC
# INHIBIT PM (A) -
FORWARD POWER SAMPLE
5 REFLD POWER SAMPLE 5
3
2
FORWARD POWER SAMPLE W10P1
3
W11P2
LAN (RJ45)
(TO/FROM
# RF OVERC
REFLECTED POWER SAMPLE
FORWARD POWER SAMPLE
SELECT B
SELECT A
PRESET 4
PRESET 3
PRESET 2
FRONT PANEL OVERLAY
INTERFACE
IBOC PHASE INPUT CONNECTS
AUDIO
# MOD PROTECTION -
# EXT INTERLOCK OPEN +
# EXT RF OFF -
17 11 17
1
14
12
8
6
3
14
12
1
39
31
36
34
39
36
34
31
29
21
24
26
1
11
5
29
24
21
26
7
14
19
16
38 7
14
16
19
25
3
23
15 28
36
33
31
25
3
23
15
9
7
13
4 1
12
17
21 13
9
7
4
16
13
11
6
4
18
7 1
9
8
6
7
5
EXTERNAL ALARM
GAIN REFERENCE
4
3
1
1
# CUTBACK ALARM -
# LOW B+ ALARM -
A2A6
PWB
INTERFACE
FRONT PANEL OVERLAY
# PRESET 3 STATUS -
# MOD PROTECTION ALARM -
A1M1
FORWARD
POWER
12
25
35
38
# DCC RMT COMMON -
RF DR VOLTS SAMPLE
# EXCITER B STATUS -
10
4
6
1
# INHIBIT PM (B) -
3
5
2
FREQUENCY MONITOR
EXTERNAL LAN)
IF THE NxLINK OPTION IS INSTALLED.
U5, W10 AND W11 ARE USED ONLY