HP 8924C Assembly page 547

If the second and third LED
patterns displayed are....
3 2 1 0
Figure 52 Non-Blinking LED Codes For Miscellaneous Hardware Failure
N:\mkt\MANUALS\HP8924C\ALR\diagnos.fb
Then the failure is ...
3 2 1 0
A27 Reference
A35 Audio Filter 1 - C-Message
A35 Audio Filter 2 - 6 kHz BPF
A36 Audio Analyzer 2 - Var Freq Notch Filter
A33 Control Interface (HP-IB, Serial, Centronics.)
Chapter 14, Diagnostics Descriptions
Description Of Self-Test Diagnostic
LED Legend
= off
= rapid blink
= steady on or slow blink
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