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Apollo SL40 User Manual
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H
ISTORY OF
R
EVISIONS
Revision
Date
Description
--
4/8/97
Draft 3.
O
RDERING
I
NFORMATION
To receive additional copies of this publication, order part #
560-1014,
Apollo SL40 VHF
COMM Transceiver Field Maintenance Manual
.
R
EFERENCE
P
UBLICATIONS
Following are other publications referenced in this guide.
IPC 610A Acceptability of Electronic Assemblies
560-0956 Apollo Model SL40 VHF COMM Transceiver Installation Manual
2
4
Table of Contents
Default Chapter
5
Table of Contents
5
Section 1 - Introduction
7
About this Manual
7
Apollo Sl40 Description
7
Features
7
Regulatory Compliance
8
Handling Considerations
8
Esd Protection
8
Component Handling
9
Shipping Considerations
9
Other Tools and Equipment
9
Tools
9
Test Equipment
9
Section 2 - Troubleshooting
11
Overview
11
Esd Safe Work Area Requirements
11
Preliminary Checkout
11
System Functions
12
Software Version Display
12
Signal Strength Display
12
Audio Noise Level Display
12
Headphone Level Display and Adjustment
13
Intercom Squelch Threshold Display and Adjustment
13
Intercom Audio Level Display and Adjustment
13
Sidetone Level Display and Adjustment
13
Base Station Lockout Mode Display and Adjustment
14
Test Mode Operation
15
Test Mode Access
15
General Operation
15
Test Mode Page
15
Display Test Function
15
Controls Test Function
16
Test Setup
16
Figure 2. Test Setup Diagram
17
Figure 3. Equipment Connection
17
Equipment Tests
18
Transmitter
19
Ransmitter Erformance
19
Ransmitter Requency Error
19
Ransmitter Ower Easurement
20
Figure 4. Transmitter Test Setup
20
Transmitter Modulation
21
Transmitter Snr ( Signal to Noise Ratio )
22
Transmitter Audio Distortion
23
Receiver
24
Receiver Performance
24
Speaker Audio Test
24
Receiver Sensitivity
25
Figure 5. Receiver Test Setup
25
Unit Disassembly / Reassembly
26
Disassembly
26
Figure 6. Com Main Board Outline
26
Reassembly
27
Eplaceable Omponents
28
Component Listing
28
Replacement Policy
28
Ackaging for Hipment
28
Contacting the Factory for Assistance
28
Table 1 Replaceable Components
28
Section 3 - Checkout Procedures
31
General
31
Service Verification
31
Functional Checkout
31
Display Check
31
Controls Test
31
Transmitter Tests
31
Receiver Tests
31
Appendix A - Test Data Log
33
Post Installation Checkout
33
Sidetone Level Adjustment
33
Flight Test Check
33
Appendixa - Test Data Log
33
4
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Apollo SL40 Specifications
General
Brand
Apollo
Model
SL40
Category
Transceiver
Language
English
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