Maintenance
Adjustment afte r repair
Instrument adj
ustment is required after you replace the Main board (all models) or
the Front End assembly (4 channel models). Refer to the Adjustments section for
information about the adjustment. (See page 3-1, Adjustments.)
Required tools and
equipment
You need the f
ollowing equipment to troubleshoot the instrument.
Tools and equ
ipment
Example
DMM 3.5 digits or above
Troubleshooting procedure
Use the fol
lowing flowcharts to troubleshoot an instrument failure. Begin with
the Primary troubleshooting flowchart.
WARNING. Before removing the cabinet, disconnect the power cord from the line
voltage source. Failure to do so could cause serious injury or death.
CAUTION. When you operate the four-channel instrument with the cabinet
removed, the system fan will not cool the instrument. You must provide an external
fan to cool the interior of the instrument. Failure to do so could cause instrument
damage.
4–6 TBS2000 Series Service Manual
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