BRUEL & KJAER Mediator 2238, Руководство по обслуживанию, Страница: 12 / 34

Chapter 1 — Introduction
Mechanical Spare Parts
2238 Mediator Integrating Sound Level Meter
Service Manual
Brüel & Kjær
6
1.12 Mechanical Spare Parts
Mechanical spare parts can be ordered from Brüel & Kjær. See section 3.5 for availa-
ble parts and part numbers.
1.13 Repair
1.13.1 Types of Repair
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Repair of cold joints
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Replacement/Resoldering of wires to/from connectors
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Replacement of flexible cables (spare part)
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Replacement of spare parts
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Replacement of FRPs
1.13.2 Replacement of Entire Unit as FRP
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When you have received the replacement, exchange the red replacement bottom
shell with the customer’s original bottom shell (with the Serial Number).
●
Remove the Octave Filter Set from the customer’s unit, if applicable, and install in
the replacement.
●
Check that the replacement software matches what the customer should have,
and reload any necessary software from the customer’s diskettes.
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Run the Checking Procedure. See section 2.3 .
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Run the Initial Calibration. See section 2.3.12 .
1.13.3 Special Tools and Equipment
To perform the complete checking procedure, troubleshooting, adjustment and up-
grade of Type 2238, the following special tools and equipment must be available:
Type 1049/51 Sine Generator or equivalent
Type 4226 Multifunction Acoustic Calibrator or Type 4231 Sound Level
Calibrator
AO 0403 LEMO to BNC
AO 1386 or 9 - pin cable including 25 – pin adaptor
AO 1442