Instructions

• Inspect the internal portions of the instrument for damage and wear. See Table 2 on page 18. 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: To 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.
Module removal
Warning: Only qualified personnel should perform service procedures. Before performing this or any other procedure in this
manual, read the General Safety Summary and Service Safety Summary located at the beginning of this manual. Also,
to prevent possible injury to service personnel or damage to electrical components, read Preventing ESD. (See Preventing
ESD on page 16.)
To remove an assembly, refer to the exploded view diagrams and parts lists. (See The replaceable parts list on page 25.)
If you are disassembling the instrument for cleaning, refer to the Inspection and Cleaning procedure for instructions. (See
Inspection and cleaning on page 16)
Warning: Disconnect the power cord from the line voltage source. Failure to do so could cause serious injury or death.
Required tools and equipment
About this task
You need the following equipment to troubleshoot the instrument.
Tools and equipment Example
DMM 3.5 digits or above
Maintenance
TBS2000B Series Digital Storage Oscilloscopes Service Manual 18