Fukuda Denshi IB-7300, Service Manual

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Precautions Mentioned in the Manual
The precautions mentioned in the text are listed below. Before performing the task concerned,
read the instructions carefully.
C A U T I O N
Take care to avoid short-circuiting when checking the power unit, etc.
Be sure to turn OFF the power and remove the plug from the outlet
before checking the power supply fuse.
Be sure to turn OFF the power and remove the plug from the outlet
before changing the fuse.
Precautions for disassembly and assembly
Be sure to unplug the power cable and check that the power is turned OFF
before disassembling or assembling the equipment.
Frequent removal of the operation panel or printed circuit board may lead to
contact failure or breakdown.
When assembling the equipment, make sure that the screws are screwed in
properly in the correct position to fulfill their function.
Check that no foreign objects are left inside the equipment.
Handling the printed circuit board
Parts of the printed circuit board are very sensitive to static electricity.
The printed circuit board is a highly sensitive electronic circuit component.
After removal, store in a conductive bag or take similar appropriate
measures.
Applying unnecessary pressure on the printed circuit board may cause
malfunction.
Removing or replacing the printed circuit board with the power turned ON
may cause malfunction or damage.
If a safety check confirms that the permissible values have been
exceeded, stop using the equipment. Continued use may lead to
physical danger.
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