Nautel GV10, Troubleshooting Manual, Page: 260 / 326

VERSION 3.2 2016-03-10 SD-4
Figure SD-4: GV10/GV7.5 Transmitter - RF Power Stage
-90
0
-90
-180
4
3
2
A8
A5P1
A5P1
A5P1
J24
GND
+5V
GND
GND
GND
GND
GND
A8
J1
J1
L4
L3
L2
L1
-90°
0°
-90°
J1
ASSY
FAN
A14
LOAD
A13
ASSY
J2
A5P1
J23
J22
J1
J1
J4
J3
J2
1-4
TRAY
ASSY
A15
PROBE
W5P1
J8
S2190226 V2
POWER STAGE
FROM AC/DC
RF DRIVE
FROM
MODULE
A11
PART OF
A10
A9
PA VOLTS (4B) -
PA VOLTS (4B) +
PA VOLTS (4A) -
PA VOLTS (4A) +
PA VOLTS (3B) -
PA VOLTS (3A) -
PA VOLTS (2B) +
PA VOLTS (2B) -
PA VOLTS (2A) +
PA VOLTS (1B) -
PA VOLTS (1A) -
PA VOLTS (1A) +
RF DRIVE (4)
RF DRIVE (3)
RF DRIVE (2)
RF DRIVE (1)
*
MODULE 1
PART OF
J24
E4
E17
E7
J21
67
65
64
J21 62
GND 60
18
13
CONTROL/
A3
PART OF
4
A11
PART OF
3
A10
A5P1
2
A9
A5P1
71 FAN VOLTS -
FAN VOLTS +
69
59
FAN VOLTS +
15 # FAULT -
12
11
9
RF DRIVE
7
6
3 BIAS 3
BIAS 2
1 BIAS 1
THRU PA V 4
49
THRU PA V 3
38
48
39
THRU PA V 1
-180°
J5 W16P1
GND
FROM AC/DC
A1J1
REJECT
POWER
OUTPUT
10kW REJ FAN 1 TACH
REJ FAN VOLTS -
REJ FAN VOLTS -
5kW REJ FAN 1 TACH
REJ FAN VOLTS +
REJ FAN VOLTS +
N/A
N/A
N/A
N/A
XMTR RF SAMPLE (B)
XMTR RF SAMPLE (A)
RF MONITOR
9
6
7
4
1
2
N/C J1
J3 N/C
PWB
PART OF
10
8
6
5
3
A13W1P1
1
TO RF DRIVE STAGE
RF MONITOR
TO CONTROL/
STAGE
*
*
PART OF
MODULE
*
MODULE
PART OF
PA VOLTS (3A) +
PA VOLTS (3B) +
PA VOLTS (1B) +
PA VOLTS (2A) -
RF POWER
**
J23 **
J22 **
E18
E19
E1
E3
E10
E16
W15P2 J11
W13P2 J13
W14P2 J12
68
63
66
17
61
4
PWB
MODULE
A5P1
**
PART OF
**
PART OF
**
72 FAN VOLTS -
70
16
14
10 RF DRIVE
# POWER -
8
5
2
58
BIAS 4
THRU PA V 2
29
28
A5P1
19
NOTES:
J6 W17P1
POWER STAGE
A1J1
A1J2
3-INPUT
J1
REJ FAN VOLTS -
REJ FAN VOLTS +
5kW REJ FAN 2 TACH
GND
N/A
N/A
REFLD POWER SAMPLE
FWD POWER SAMPLE
8
3
5
A3
9
4
7
2
CUSTOMER
W8J1
MONITOR STAGE
E8
E2
E9
J14 W12P2
J7 W18P1
E20
(SAME AS A8)
(SAME AS A8)
FAN TACH 5
FAN TACH 3
FAN TACH 2
# MODULE INHIBIT -
HEATSINK TEMP -
REJ PWR SAMPLE
INTERFACE
MODULE
(SAME AS A8)
5kW REJ LD PWR (3-4)
5kW REJ LD PWR (1-2)
W16P2 J1
FILTER ASSY
10kW COMBINER/
MODULE 1
PART OF
2) RF POWER MODULE OUTPUT CONNECTOR J1 AND SPECIFIC 10kW
CONNECTOR P1 AND MODULE CONTROL/INTERFACE PWB CONNECTOR
1) RF POWER MODULE/SPLITTER INTERFACE PWB (A5) EDGE CARD
SEE RF POWER MODULE 1 FOR PIN INFORMATION.
** DENOTES THAT CONNECTOR SYMBOL REPRESENTS MULTIPLE PINS.
* DENOTES GROUND CONNECTION BETWEEN RF POWER MODULE AND
9
7
6
4
2
1
10
9
7
5
MODULE
4
2
A13W1P3
10
8
6
5
3 10kW REJ LD PWR 1-4 SAMPLE
A13W1P2
1 5kW REJ LD PWR 1-2 SAMPLE
DC REFLD POWER SAMPLE
TO ANTENNA SYSTEM
(SAME AS A8)
RF POWER
RF POWER
RF POWER
FAN TACH 6
FAN TACH 1
FAN TACH 4
HEATSINK TEMP +
RF DRIVE SAMPLE
# MODULE PRESENT -
(SAME AS A8)
RF POWER
(SAME AS A8)
RF POWER
MODULE
RF POWER
MODULE
10kW REJ LD PWR (1-4)
W17P2 J2
A12
RF POWER
COMBINER/FILTER ASSY CONNECTOR ARE BLIND-MATE CONNECTIONS.
ARE BLIND-MATE CONNECTIONS.
TRANSMITTER CHASSIS IS BLIND MATE.
8
5
3
W5P2
8
3
6
1
CONTROL/
INTERFACE
9
4
7
2 5kW REJ LD PWR 3-4 SAMPLE
A5J1 W10P1
A4J1 W9P1
A3J1 W8P1
TRANSMITTER RF OUTPUT
A1J1 W6P1
A2J1 W7P1
A6J1 W30P1
W18P2 J3