Adjustment after repair
Instrument adjustment 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 Adjustments on page 7.)
Required tools and
equipment
You need the following equipment to troubleshoot the instrument.
Tools and equipment Example
DMM 3.5 digits or above
Troubleshooting procedure
Use the following 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.
Maintenance
TBS2000B Series Service Manual 15
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