RADIOBEACON TRANSMITTER
ND500II (125 WATTS) DOUBLE SIDEBAND - NO VOICE
Contents (Page 5)
01 November 2003
TABLE OF CONTENTS
(Continued)
Section
6
MAINTENANCE
6.1
GENERAL .................................................................................................................. 6-1
6.2
ELECTRICAL SCHEMATICS/LOGIC DIAGRAMS ..................................................... 6-1
6.2.1
COMPONENT VALUES........................................................................................ 6-1
6.2.2
GRAPHIC SYMBOLS ........................................................................................... 6-1
6.2.3
LOGIC SYMBOLS ................................................................................................ 6-1
6.2.4
REFERENCE DESIGNATIONS ............................................................................ 6-1
6.3
SCHEDULED MAINTENANCE ................................................................................... 6-1
6.4
CORRECTIVE MAINTENANCE.................................................................................. 6-1
6.5
ISOLATION OF DEFECTIVE POWER MOSFET'S .................................................... 6-2
6.6
POWER MOSFET REPLACEMENT........................................................................... 6-2
7
PARTS LIST
7.1
INTRODUCTION ........................................................................................................ 7-1
7.2
FAMILY TREE ............................................................................................................ 7-1
7.3
MANUFACTURER'S INDEX ....................................................................................... 7-1
7.4
HOW TO LOCATE INFORMATION FOR A SPECIFIC PART .................................... 7-1
7.4.1
WHEN NAUTEL CONFIGURATION CONTROL NUMBER IS KNOWN ................ 7-1
7.4.2
WHEN FULL REFERENCE DESIGNATION IS KNOWN ...................................... 7-1
7.5
REFERENCE DESIGNATION INDEXES .................................................................... 7-1
7.6
COLUMN CONTENT EXPLANATION ........................................................................ 7-1
7.6.1
USE ON CODE COLUMN .................................................................................... 7-2
7.6.2
REF DES COLUMN.............................................................................................. 7-2
7.6.3
NAME OF PART AND DESCRIPTION COLUMN ................................................. 7-2
7.6.4
NAUTEL'S PART NO, COLUMN........................................................................... 7-2
7.6.5
JAN/MIL/OEM NO. COLUMN ............................................................................... 7-2
7.6.6
OEM CODE COLUMN .......................................................................................... 7-2
8
WIRING INFORMATION
8.1
INTRODUCTION ........................................................................................................ 8-1
8.2
WIRING LISTS NOT PROVIDED ............................................................................... 8-1
8.3
PRINTED WIRING PATTERNS .................................................................................. 8-1
8.4
WIRE COLORS .......................................................................................................... 8-1
8.5
WIRING LISTS PROVIDED ........................................................................................ 8-1
