LQ-300 Service Manual
Troubleshooting
5.3 REPAIRING THE MAIN BOARD ASSEMBLY
This section provides instructions for repairing a defective main board assembly. It describes
various symptoms, likely causes, and checkpoints.
Checkpoints refer to proper waveforms,
resistance values, and other values to be checked when evaluating
the
operation of any potentially
faulty component. Check these values and take the appropriate
a~tion.
-
Note:
This
section is
required on/y
for
semicers
who
repair
to
the
component/eve/.
Table 5-7. Repairing Problems in the Main Board Assembly
Rev.A
5-11
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