Functional Circuit Guides; Instrument Setup Common Errors; Power Supply; Microprocessor And Main Memory - Wavetek 75 Instruction Manual

Table 6-1. Functional Circuit Guides
Circuit Guide
Power Supply
Frequency Synthesizer
Trigger and Hold Logic
Waveform Address Counter
Waveform Memory
Waveform Latch
Waveform Synthesizer
Amplitude Control
Offset Control
Output Amplifier
Attenuator
Burst Counter
Control Shift Register
Z-Axis Driver
Keyboard
Control Knob
Liquid Crystal Display
Microprocessor and Main Memory
Communication Option 001 :GPIB
Communication Option 002:RS-232
Paragraph:
Circuit Description (4.X)
Calibration (5.X)
Troubleshooting(6.X)
Troubleshooting
Tables
Schematic
Diagrams
Table 6-2. lnstrument Setup Common Errors
No Output.
Display blank.
Runs continuously in
triggered, gated,
toggled or burst
modes.
Symptom
LCD viewing angle
I I
The following apply only to instruments with the com-
misadjusted. munications option installed.
Possible Setup Error Symptom
No "breakpoints" set.
Possible Setup Error
Hold Key "On".
Mode not set to
"Continuous".
Start Adrs equals Stop Adrs.
External reference selected
with no reference connected
to Ref In connector.
DC waveform selected.
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Scans
by
ArtekMedia O 2006.
No response from
the Control knob.
No response to
RS-232C control.
No response to
IEEE-488 cont rot.
Unit set for remote opera-
tion.
Baud rate set incorrectly
(refer to section 2.2.7).
Not configured properly;
DCE or DTE (refer to section
2.2.7).
Instrument address set
incorrectly (refer to section
2.2.6).