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To remove and replace the Main Circuit board 6–7
To remove and replace the switch actuator assembly 6–8
To remove and replace the rear panel assembly 6–9
To remove and replace the front panel and keyboard 6–10
To remove and replace the intensity adjustment 6–10
To remove and replace the monitor 6–11
To remove and replace the handle plate 6–11
To remove and replace the fan 6–12
To remove and replace the line filter 6–12
To remove and replace the optional GPIB and RS-232C cables 6–13
To return assemblies 6–14
7 Replaceable Parts
Replaceable Parts Ordering 7–2
Exploded View 7–3
Replaceable Parts List 7–4
Power Cables and Plug Configurations 7–8
8 Theory of Operation
Block-Level Theory 8–3
The 1664A Logic Analyzer 8–3
The Logic Acquisition Circuitry 8–6
Self-Tests Description 8–9
Power-up Self-Tests 8–9
System Tests (System PV) 8–10
Analyzer Tests (Analy PV) 8–13
GPIB (Optional) 8–15
RS-232C(Optional) 8–16
Centronix 8–17
Contents
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