• Inspect the internal portions of the instrument for damage and wear. See T
able 2: Internal inspection checklist
on page 7. Defects should be repaired immediately.
• If any circuit board is repaired or replaced, you must perform the Performance Verification procedure in the
specifications and performance verification manual, which was provided with your instrument. This manual is also
available at www.tektronix.com/manuals, by searching for your product name. If the instrument fails the Performance
Verification tests, it must be returned to a Tektronix Service Center for repair and calibration.
CAUTION: T
o prevent damage from electrical arcing, ensure that circuit boards and components are dry before
applying power to the instrument.
Table 2: Internal inspection checklist
Item Inspect for Repair action
Circuit boards Loose, broken, or corroded solder
connections. Burned circuit boards.
Burned, broken, or cracked circuit-run
plating.
Remove and replace damaged circuit
board.
Resistors Burned, cracked, broken, blistered
condition.
Capacitors Damaged or leaking cases. Corroded
solder on leads or terminals.
Wiring and cables Loose plugs or connectors. Burned,
broken, or frayed wiring.
Firmly seat connectors. Replace
defective cables.
Chassis Dents, deformations, and damaged
hardware.
Straighten, repair, or replace defective
hardware.
Lubrication
There is no periodic lubrication required for this instrument.
Returning the instrument for service
When repacking the instrument for shipment, use the original packaging. If the packaging is unavailable or unfit for use,
contact your local T
ektronix representative to obtain new packaging.
Seal the shipping carton with an industrial stapler or strapping tape.
Before returning the instrument for service, contact the Service Center to get an RMA (return material authorization)
number, and any return or shipping information you may need.
If the instrument is being shipped to a Tektronix Service Center, enclose the following information:
• The RMA number.
• The owner's address.
• Name and phone number of a contact person.
• Type and serial number of the instrument.
• Reason for returning.
• A complete description of the required service.
Mark the address of the Tektronix Service Center and the return address on the shipping carton in two prominent locations.
Maintenance
6 Series B MSO MSO64B, MSO66B, MSO68B Service 7
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