Troubleshooting Manual

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Table Of Contents

Contact Information
RELEASE CONTROL RECORD
SECTION 3.1: Responding to alarms
- Corrective Maintenance
  - On-Air Troubleshooting
  - Off-Air Troubleshooting
- Electrostatic Protection
- Identifying and Troubleshooting an Alarm
  - Front Panel Alarm Checks
  - Remote AUI Alarms Page Checks
- Replacement Procedures
- Pre-Amplifier/IPA PWB Replacement
- Power Amplifier PWB Replacement
  - PA Resistance Checks
- Power Supply Module Replacement
SECTION 3.2: Parts Information
- Family Tree
- How to Locate Information About a Specific Part
- Column Content
SECTION 3.3: Reading Electrical Schematics
- Component Values
- Graphic and Logic Symbols
- Reference Designations
- Unique Symbols
  - Type of Inputs and Outputs
  - Logic Level Convention
- Identifying Schematic Diagrams
- Structure of Schematics
- Locating Schematic Diagram(s) for a Functional Block
- Locating a Part or Assembly on a Schematic
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
- Identifying Mechanical Drawings
- Content of Mechanical Drawings
- Locating a Part or Assembly on a Mechanical Drawing
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

StockCode:

NARF80

Page 9 of 9

Description

Final Assy, VX1.5/2,

Component Lvl, StockCode Reference DesignationDescription

UA313

Cable, Coax, SRC 316, MCX(M) RA to MCX(M) Straight W13, W14

UA316

Cable, SATA, 0.5m, Straight F to Straight F, Shiel W15

UA318

Cable Assembly, Flat IDC, 0.050" Tiger Eye,30 cond W16

UG130

Power Supply, LED, 12V@150W, 90-305Vac, PFC, IP67 U02

UG136

Power Supply, 23-65Vdc, 3500W/1500W, 90-265Vac, Co U03

UR119

Display, TFT LCD, 320x240 Graphic, 3.5", Color, SP U01

ZAP68

Fan, 80mm, 12Vdc, PWM Ctrl, Tach, w/Conn+HS Tube+M B01, B02