Reference Oscillator Test - Motorola i425e Detailed Service Manual

TROUBLESHOOTING: Reference Oscillator Test

3.14 Reference Oscillator Test

TP_REFCLK_IN_SL for
TP_REFCLK_IN_SL
94
Check test point
33.6 MHz (reference
oscillator frequency).
Is
the frequency at
33.6 MHz +84 Hz?
Pass
The reference
oscillator is
functioning properly.
Power off the unit,
Fail
and then power it
back on.
Is
the frequency at
TP_REFCLK_IN_SL
33.6 MHz +84 Hz?
Pass
Fail
Continued
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6880401P26-O