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| Document ID | 1249053 |
| Application ID | Nt6rNQwU36XLBsUT8Ei9jA== |
| Document Description | Repair Manual |
| Short Term Confidential | No |
| Permanent Confidential | No |
| Supercede | No |
| Document Type | User Manual |
| Display Format | Adobe Acrobat PDF - pdf |
| Filesize | 147.81kB (1847647 bits) |
| Date Submitted | 2010-03-05 00:00:00 |
| Date Available | 2010-03-29 00:00:00 |
| Creation Date | 2010-02-01 14:39:18 |
| Producing Software | EFI Cyclone |
| Document Lastmod | 2010-02-01 14:39:25 |
| Document Title | Repair Manual |
SUNAIR FIT-9000
SECTION V
FAULT ISOLATION/MAINTENANCE AND REPAIR
5.1 GENERAL
This section provides the procedures for fault isolation and maintenance and repair to the Lowest Repairable
Unit (LFIU) level.
5.2 DISASSEMBLY
Disassembly should be only to the extent necessary to accomplish the repair or replacement of the defective
LRU. Procedures forthe disassembly of major modules and assemblies are given in the following paragraphs,
5.2.1 TOP OR BOTTOM TRANSCEIVER COVER REMOVAL |
Refer to Figure 5211.
a) Remove the three (3) screws at the rear of the cover.
b) Release cover latches,
c) Pull cover up and back from the front panel (1A1).
5.3 TEST SET-UP
5.3.1 PREHMiNABL
Connect FIT-9000 and test equipment as shown in Figure 5.3.1.1.
WARNING: For personal safety and to prevent damage to voltage
sensitive components in the Transceiver, always turn ‘OFF’ the
RT-9000 whenever reseating printed circuit cards (PC), LRU’s, and
when replacing fuses
5.4 BITE
5.4.1 PRELIMINARY
The BlTE of the RTvQOOO Transceiver provides immediate LRU faults. The Surveillance BITE is controlled by
the microprocessoron CPUAssembly 1A2A1. It checksthe operational status ofthe LRU‘s withthe exception
of the DC to DC Power Supply 1A5A1, AC Power Supply 1A5A2, and the Select/Distribution Reference
Amplifier 1A2A6. These LFlU‘s have selfsurveillance BITE non-dependent upon CPU Assembly 1A2A1,
5—1
50 OHM/150 WATT
LOAD RF WATTMETER
PHONES
J2
ACCESSORY
115 VAC
(zso VAC)
50-60 Hz
25 voc
Figure 53.1‘1 Transmitter BITE Test Set-Up.
5-3
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Modify Date : 2010:02:01 14:39:25-05:00
Create Date : 2010:02:01 14:39:18-05:00
Metadata Date : 2010:02:01 14:39:25-05:00
Format : application/pdf
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Producer : EFI Cyclone
Has XFA : No
Page Count : 25
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