Motorola R-20010 Maintenance Manual page 8

Rgure
1
1-1
1-2
1-3
1-4
1-5
1-6
LIST OF ILLUSTRATIONS
FOREWORD
Repair Request Form
SECTION 1. INTRODUCTION
Two-Tone (A/B) Sequence Timing . .. . ... . . .. . . . . . .. .... .. ... .. . . . . .. .. . . .. . .. .
5/6 Tone Sequence Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..
MTS Sequence Timing . . . . . ... . . .. . .. ........... . . ... . .. . .. . ...... . . . .... . .
2805 Sequence Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Communications System Analyzer - Top View, Cover Removed ... . .. . .... . ... . ...... .
Communications System Analyzer- Bottom View, Cover Removed .. . ......... ..... . . .
SECTION 2. SYSTEM THEORY OF OPERATION
Page
xiii
1-5
1-6
1-6
1-6
1-9
1-9
2-1 Communications System Analyzer - Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-11
2-2 Communications System Analyzer - Bus Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-12
2-3 Generate Mode - Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-13
2-4 Wattmeter - Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-14
2-5 Monitor Mode - Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-15
2-6 RF Input Module - Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-16
2-7 Code Synthesizer - Block Diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-16
2-8 Frequency Counter - Block Diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-17
2-9 DVM/Distortion Analyzer - Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-18
2-1 0 Oscilloscope - Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-19
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3-2
3-3
3-4
3-5
3-6
3-7
3-8
3-9
3-10
3-10a
3-11
3-12
3-13
3-14
5-1 a,b
5-2 a,b
5-3
5-4
5-5
6-1
6-2
6-3
6-4
6-5
SECTION 3. ALIGNMENT PROCEDURE
Control Board (A4) - Alignment Points .... . . ... .... . .... . . .... . . . .. .. .. . .. ... . .
Scope Amplifier Board (A2) - Alignment Points . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Front-Panel Interface Board (A 15) - Alignment Points . .... . . . . . . . ..... . . . . .... .... .
Scope/DVM Control Board (A7)- Alignment Points . . .. . . ...... . .. .. . . .. . ... . .. .. . .
Processor Interface Board (A 11) - Alignment Points . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. .
Receiver Board (AS) - Alignment Points . . . . . .. . .. . .. . ..... . ....... ..... .... ... .
60.5 MHz Loop Board (A9A4)- Alignment Points . ... ........ .. ..... .. ... .. . . . ... .
GHz Loop Board - Alignment Points . . ... . .. . . .. ... . . . . ... . ..... . . . .. ... .... .. .
Frequency Standard Interface Board - Alignment Points . . ........... ... .. . . ...... . .
Duplex Generator Board (A 17 A3) - Alignment Points .. ..... . ...................... .
Enhanced Duplex Generator Board (A 17 A3) - Alignment Points . . . . . . . . . . . . . . . . . . . . . . .
Wideband Amplifier Board - Alignment Points . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Wattmeter Board - Alignment Points . . ............... . . . . . ...... . . . ...... . ... .
Scope Compensation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..
High voltage Power Supply Board - Alignment Points .. . . . . .. ... . ....... .. . . . ... .. .
SECTION 5. SYSTEM WIRELIST AND PARTS LIST- SYSTEM MOTHERBOARD (A19)
System Motherboard (A 19) - Printed Wiring Board Assembly and Parts List . .. . ....... . . .
Chassis-Assembly and Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Subsystem - Assembly and Parts List ... .. . .. . . . ..... .. . . . . . .... . .... . . . ... . . .
CRT-Assembly and Parts List . . .. . ... .. .. . .. . .. . . . .............. . .. .. . . .. . . . .
Front Cover -Assembly and Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SECTION 6. HIGH-VOLTAGE POWER SUPPLY (A1)
Block Diagram ...... .... .... . .. . .. . . . ...... .. ...... ... . ............ . .. . . .
Schematic ........ ... .. . .. .. . .... ....... . ......... .... ..... ............ .
Printed Wiring Board Assembly and Parts List .... .... ..... ....... ......... . ...... .
Assembly and Parts List ....... . .. .. .. ..... ... .. . ... .......... . .. . . .. . .. . .. .
Transient Protector (A 1 A2) - Assembly and Parts List ....................... . .. . .. .
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