Nautel NG1000, Troubleshooting Manual

Page: 135 / 164

Issue 0.4 2010-10-12 SD-7
Figure SD-7: NARF62 VHF Transmitter, 1250 W (Sheet 1 of 2)
STAGE
FROM
LINE
U1-N P2
S1
J9
S1-4
J7
P6
W4P1
+48V
GND
GND
GND
GND
GND
SCK
J1
P8
P9
J3
PWB
A2
J1
-VE
-VE
J2
J3
PS
TB1
TB2
4
1
4
1
W2P1
J1
RI
GND
+5V
GND
N/C
N/C
N/C
N/C
N/C
N/C
RS232
TO
GND
U1-L P1
J8
S1-3 P5
W1P2
W2P2
U2
GND
GND
GND
MOSI
P7
J2
PS
L1
L1
J4
J1
A2
3
2
3
2
5
W1P1
J2
J11
N/C
(47-63 Hz)
FROM AC
POWER SOURCE
S2160005 VN
N/C
GND
GND
GND
FAN TACH 4
FAN TACH 5
FAN TACH 2
LINE/NEUTRAL
U1
34
29
36
22
40
26
8
10
4
W3P1
# RF MUTE - 3
1
GND
SUB AUDIO (-) 3
2
AUDIO (+)
GND
1
2
P4 S1P2
10
N/C
6
5
N/C 7
4
3
2
12
CONTROL
15
PART OF
10
7
8
J6 13
6
17
1
J5 3
# LED6 -
# LED5 -
# LED4 -
# LED3 -
# FAN
# PS B I
PS CTRL V
# PS A I
# ADC1_CS -
# ADC2_CS -
-V
+V
POWER SUPPLY
2
12
15
10
7
8
13
6
17
1
3
PART OF
P12
E6
P10
P11
E4
E2
MODULE
# PS I
23
L2/NEUTRAL 46
GND/EARTH 45
# PS I 27
23
L2/NEUTRAL 46
MODULE
21
33
28
24
38
19
20
17
14
15
22
11
12
+VE
9
6
7
21
36
28
24
19
16
17
14
22
11
8
+VE
9
6
GND 18
GND 19
14
MISO - 165
# AC FAIL -
2 MISO - ADC
GND
GND
7
FAN V - 16
FAN V - 15
9
PRE-AMP V
PRE-AMP V
FAN V +
FAN V +
11
6
FAN V + 13
PRE-AMP V
N/C
N/C
3
+5V
N/C 5
+5V 20
+5V 19
L11
L12
18
19
J8
14
W2P2
2
7
16
15
9
J7
11
6
13
3
5
20
19
PWB
EXCITER/
PART OF
L17
L18
10MHz CAL IN/OUT
RTS
DTR
GND
RXD
# RF MUTE -
# SPARE OUT -
# SPARE IN 1 -
# TX OK -
# PS AC FAIL -
TXD
PRE-AMP V
FAN V -
FAN V -
FAN V +
FAN V +
PRE-AMP V
FAN V -
INTAKE TEMP GND
PA BIAS
IPA BIAS
W3P1
RF DRIVE OUT
PA VOLTS 7
PA VOLTS 3
PA VOLTS 1
PA VOLTS 8
PA VOLTS 4
PA VOLTS 2
IPA VOLTS
RF POWER
STAGE
RF POWER
(180-264VAC)
GND
GND
PA TEMP
FAN TACH 3
FAN TACH 1
9
28
32
30
7
2
GND
6
2
SUB AUDIO (+)
AUDIO (-) 3
1
P3 S1P1
U1-GND
9
8
2
1
J11
A1
EXCITER/
J4
9
11
PWB
5
20
# LED2 -
# LED1 -
# 165_LOAD -
-V
+V
L10
LED PWB
XMTR STATUS
A7
W1P1
J4
9
11
W2P1
5
20
TB2 +48V 6
E1
E3
E5
(B)
U4
27
47
GND/EARTH
47
45
(A)
U3
31
36
18
16
13
10
8
5
33
31
38
20
18
15
13
12
10
7
5
GND 16
4
N/C 1
8
FAN V - 17
10
12
+15V 14
4
18
L14
16
4
1
8
17
10
12
14
4
18
A1
W1P2
CONTROL
CTS
DSR
TXD
DCD
GND
RXD
PRE-AMP V
FAN V +
PA TEMP GND
PRE-AMP BIAS
PA VOLTS 5
PA VOLTS 6
TO SYSTEM CONTROLLER
L13
OUTPUT FWD PWR
OUTPUT REFLD PWR
# EXTERNAL INTERLOCK -
10
6
5
ENABLE RETURN
LOGIC RETURN 2
# PS AC FAIL -
# PS TEMP -
1
-VE SENSE
# PS PRESENT -
W4P2
POWER SUPPLY
+VE SENSE
PA VOLTS C
# PS FAIL -
ENABLE RETURN
# PS AC FAIL -
# PS TEMP -
DISTRIBUTION
-VE SENSE
PA VOLTS C
N
+VE SENSE
POWER SUPPLY
9
7
4
5
2
9
7
6
4
2
1
39
37
38
35
3
16
33
31
DISTRIBUTION 13
19
PART OF
17
23
14
27
INTAKE TEMP
IPA FWD PWR
E1
9
NOTES:
# PS FAIL -
G
R DS2
4
3
G
R
DS1
LOGIC RETURN
# PS PRESENT -
G
L
8
J3
# COAX INTERLOCK SWITCH -
6
3
8
1
20
3
5
18
5
1
12
PWB
11
15
21
25
24
J10 P13
L15
L16
G
R
DS3
POWER SUPPLY MODULE CONNECTOR J1 AND PS DISTRIBUTION
PWB CONNECTOR J1 & J5 ARE BLIND-MATE CONNECTIONS.