Technical Instruction
Table Of Contents
- Nautel Limited
- MODULE EXCHANGE SERVICE
- 6.1 INTRODUCTION
- 6.2 WIRING LISTS NOT PROVIDED
- 6.3 PRINTED WIRING PATTERNS
- 6.4 WIRE COLOURS
- 5.5 WIRING LISTS PROVIDED
- 7.1 INTRODUCTION
- 7.2 COMPONENT VALUES
- 7.3 GRAPHIC SYMBOLS
- 7.4 LOGIC SYMBOLS
- 7.5 REFERENCE DESIGNATIONS
- 7.5.1 Types of Inputs/Outputs
- 7.5.2 Logic Level/Convention
- 7.7 IDENTIFICATION OF SCHEMATIC DIAGRAMS
VSHD Exciter Technical Instruction Manual Page 4-3
Section 4 Maintenance Issue 2.0
Figure 4-2: Loosening the BNC connector’s locking ring
(e) Remove the three small Philips screws, which mount the front of the exciter PWB to the
chassis, located along the edge of the PWB. Retain hardware for re-installation.
(f) Slightly lift the front edge of the exciter PWB and withdraw towards the front of the exciter.
(g) Locate or obtain a replacement exciter PWB (NAPE86*). Remove the `push` lever from
the XLR connector as described in Step (c).
CAUTION
When re-installing the exciter PWB, lift the PWB high enough so that the mounting pillars do
not damage the underside of the PWB.
(h) Install the replacement PWB. Replace all hardware for the through-chassis connectors.
Take care not to over-tighten the BNC connector locking rings.
(i) Install the three Philips screws that mount the front of the exciter PWB to the chassis.
(j) Install the `push` lever into the XLR connector. Align it with the slot located on the top
section of the connector body and gently press it into position.
(k) Reconnect all internal and external cables to the exciter PWB. If necessary, refer to
Figure 2-8 and 7-10 of this manual for connector mating details for A1.