Troubleshooting Manual
Table Of Contents
- Contact Information
- RELEASE CONTROL RECORD
- SECTION 3.1: Responding to alarms
- SECTION 3.2: Parts Information
- SECTION 3.3: Reading Electrical Schematics
- Figure SD-14: NAPF16 Low Pass Filter PWB
- Figure SD-15: NAPP15 Directional Coupler Bottom PWB
- Figure SD-1: VX150/VX300/VX600 and VX1 Transmitter - Control/Monitor Stage
- Figure SD-2: VX150/VX300/VX600 and VX1 Transmitter - Ac and RF Power Stages
- Figure SD-3: VX1.5/VX2 Transmitter - Control/Monitor Stage
- Figure SD-4: VX1.5 Transmitter - Ac and RF Power Stages
- Figure SD-5: NAPI189 Analog Audio PWB (Sheet 1 of 2)
- Figure SD-7: NAPI187 System Interface PWB (Sheet 1 of 2)
- Figure SD-8: NAPI187 System Interface PWB (Sheet 2 of 2)
- Figure SD-9: NAPI188/01 Power Supply Interface PWB, 2 kW (VX150/VX300/VX600)
- Figure SD-10: NAPI188 Power Supply Interface PWB, 3.5 kW (VX1/VX1.5/VX2)
- Figure SD-11: NAPI193 Front Panel User Interface PWB
- Figure SD-12: NAPA41 Pre-Amp/IPA PWB
- Figure SD-13: NAPA40 Power Amplifier PWB
- Figure SD-16: NAPH15 2-Way Splitter PWB (VX1.5/VX2)
- Figure SD-6: NAPI189 Analog Audio PWB (Sheet 2 of 2)
- SECTION 3.4: Mechanical Drawings
- Figure MD-1: VX150/VX300/VX600/VX1 Transmitters
- Figure MD-4: NAPI187 System Interface PWB
- Figure MD-5: NAPI188/01 Power Supply Interface PWB (VX150/VX300/VX600)
- Figure MD-11: NAPP15 Directional Coupler PWB
- Figure MD-12: NAPH15 2-Way Splitter PWB (VX1.5/VX2)
- Figure MD-7: NAPI193 Front Panel User Interface PWB
- Figure MD-6: NAPI188 Power Supply Interface PWB (VX1/VX1.5/VX2)
- Figure MD-13: 2-Way Combiner PWB (Nautel Part # PU03A) (VX1.5/VX2)
- Figure MD-8: NAPA41 Pre-Amp/IPA PWB
- Figure MD-9: NAPA40 Power Amplifier PWB
- Figure MD-10: NAPF16 Low Pass Filter PWB
- Figure MD-2: VX1.5/VX2 Transmitter
- Figure MD-3: NAPI189 Analog Audio PWB
- SECTION 3.5: List of terms
- Blank Page
VERSION 0.1 2020-12-01 SD-9
Figure SD-9: NAPI188/01 Power Supply Interface PWB, 2 kW (VX150/VX300/VX600)
UUA78M33CDCY
OUT
3
GND
2
IN
1
U1
A1
J1:1
A2
J1:2
A4
J1:4
A5
J1:5
B2
J1:8
C1
J1:13
C4
J1:16
C5
J1:17
D2
J1:20
P1
J1:25
P2
J1:26
P3
J1:27
P4
J1:28
P5
J1:29
P6
J1:30
P7
J1:31
0.1
25V
C7
10k
R13
475
R3
121
R5
121
R7
475
R10
0.1
25V
C3
L1
5W
0.002
R28
TB1
1
2
3
E1
+3.3V
0.1
25V
C17
1
2
3
U5:1
7
6
5
U5:2
GND
11
VDD
4
TLV2374ID
U5:5
RS+
1
VCC
2
GND
4
OUT
5
RS-
8
MAX4080SASA
U6:9
0.1
25V
C23
0.1
25V
C24
+12V
10.0K
R27
0.1
25V
C21
1500
R25
0.1
25V
C18
1000
R30
1500
R26
10.0K
R24
10.0K
R23
+3.3V
0.1
25V
C10
4.7
10V
C6
2210
R16
100
R9
100
R14
+3.3V
2210
R8
+3.3V
+3.3V
+12V
0.1
25V
C20
+3.3V
+3.3V
TO SYSTEM
INTERFACE
#MODULE PRESENT-
#POWER FAIL WARNING-
PROTOCOL
#PS ON-
UNIT ADDRESS
#OUTPUT ENABLE-
MARGIN
PAV (+)
PAV (-)
AC TO 12V SUPPLY
RS485 (+)
RS485 (-)
TO POWER SUPPLY
I2C TO SYSTEM INTERFACE
PAV 1 (+)
+12V
235-4050-01-SCH01.SchDoc
VOUT
6
GND2
2
GND1
1
VIN
4
LT1790BIS6-2.5
U3
16V
1.0
C14
25V
0.1
C15
+3.3V
AIN0
5
AIN1
6
AIN3
8
AIN4
9
AIN5
10
AIN6
11
AIN7
12
SCL
13
SDA
14
GND
15
VDD
16
MAX11615EEE
U2:17
REF
1
AIN2
7
LINE
LINE/N
GND
PAV (-)
BV:
0.47
25V
C2
25V
0.1
C1
+12V
GND
3
J3:3
1
J3:1
2
J3:2
RS-485
121
R4
121
R6
D1
J1:19
SHELF ADDRESS
A3
J1:3
LOGIC GROUND
D3
J1:21
UNIT ID
C3
J1:15
RACK ID
16V
1.0
C5
2740
R11
10.0K
R12
+3.3V
0.1
25V
C13
0.1
25V
C16
25V
0.1
C11
2210
R19
56.2K
R18
25V
0.1
C9
2210
R17
1
J2:1
2
J2:2
3
J2:3
4
J2:4
5
J2:5
6
J2:6
7
J2:7
8
J2:8
9
J2:9
10
J2:10
(+)
(-)
ALL RESISTORS ARE RATED 1/10W UNLESS OTHERWISE NOTED
TP2
GND
10.0K
R2
10.0K
R1
TP1
3.3V
TP3
12V
E3
0.0
R33
0.0
R31
0.0
R35
0.0
R38
0.0
R21