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Tait TA2922 User Manual
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TA2922 Universal Line In
terface Service Manual
53
© Tait Electronics Lim
ited
March 2010
7.2
V
ariant parts
Zer
o ohm resistors (038-10000-00, RES 0603 0R
5% 1/10W) are fitted to
the
assemblies:
Ref
PCB
Schem
XA2922-01
XA2922-02
XA
2922-03
XA2922-04
XA
2922-05
XA2922-06
R1-2 E6
2F2
•••
••
R11-2
D6
2F3
•
••••
R12-2
D6
2E3
••••
R21-2
D6
2E3
•
••••
R23-2
D6
2D3
•
R27-2
C6
2B3
•
R31-2
D5
2E4
•
••••
R41-2
D5
2D4
•
••••
R42
C6
1C2
•
R46
G4
1E10
••••••
R51-2
C5
2D5
•
••••
R61-2
C5
2C5
•
••••
R62
F6
1H8
•
R65
G3
1F9
•
R71-2
C5
2C6
•
••••
R74-2
D5
2F7
•
R77
G3
1E10
•
R81
G2
1C11
•
R81-2
C5
2B7
•••
•
R82
G4
1E11
•
R85-2
D4
2E7
••••
R197-2
C2
3C7
•
R207-2
C2
3B7
•
R226-2
E1
3F9
•
52
54
Table of Contents
Default Chapter
2
Contact Information
2
Copyright and Trademarks
2
Table of Contents
3
Preface
5
Scope of Manual
5
Document Conventions
5
Associated Documentation
5
Issue
5
Publication Record
6
1 Introduction
7
Operation
7
Specifications
8
Connections
9
Internal Options Connector (SK2)
9
External Options Connector (SK1) - TA2922-01 8-Wire Isolated Line Interface
10
External Options Connector (SK1) - TA2922-02 2-Wire Line Interface
10
External Options Connector (SK1) - TA2922-03 6-Wire Line Interface
10
External Options Connector (SK1) - TA2922-04 Balanced Line Input with Unbalanced Speaker Output
11
External Options Connector (SK1) - TA2922-05 6-Wire Line Interface (Marine)
11
External Options Connector (SK1) - TA2922-06 6-Wire -10Dbm Line Interface
12
Compliance
12
2 Circuit Description
13
Audio Interface
14
Line out
14
Line in
15
TX Key Input
15
RX Gate Output
15
Digital I/O
16
Serial Data
16
Microcontroller
16
3 Installation
19
Parts Required
19
Installation Procedure
19
4 Hardware Configuration
23
Line Input and Output Audio Level Adjustment
23
4-Wire Equipment Setup
23
2-Wire Equipment Setup
24
Setting Line Output Level (VR1)
24
Setting Line Input Level (VR2)
24
Talk-Through Level Adjustment
25
SK1 I/O Signal Configuration
26
SK1 I/O Signal Summary
26
SK1 I/O Signal Descriptions
27
SK1 I/O Matrix SMD Resistor Placement
36
SK1 I/O Matrix Bottom-Side Solder Links
37
Additional Configuration Links
38
5 Programming
39
Programming Using the Radio Programming Application
39
Programmable I/O Form, Digital Tab
39
Programmable I/O Form, Audio Tab
40
PTT Form, External PTT (1) Tab
40
Programming the TA2922 Board with the PGM-UIS
41
Programming Cable and Connection
41
Programmable Fields in the PGM-UIS Programming Application
42
Functions
45
6 Testing and Fault Finding
47
S1 Technician Programming Connector
47
S2 Factory Programming Connector
47
7 PCB Information
49
Parts List XA2922-0X-PBA Revision 001
49
Variant Parts
53
PCB Layout - Top Side (228-29221-00)
54
PCB Layout - Bottom Side (228-29221-00)
55
Circuit Diagram (228-29221-00)
57
Circuit Diagram - Page 2 of 11
58
Tait Electronics Limited March
59
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Tait TA2922 Specifications
General
Brand
Tait
Model
TA2922
Category
Computer Hardware
Language
English
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