BRUEL & KJAER Mediator 2238, Service Manual, Page: 31 / 34

Chapter 3 — Mechanical Parts
Service Parts List
2238 Mediator Integrating Sound Level Meter
Service Manual
BI 5043 –13
25
Note: The chassis of the connectors need to have good electrical connection to the
metallic coating on the inner surface of the PC/ABS shell. That is, the special nut for
the input connector must be firmly tightened to ensure a good EMC seal.
3.5 Service Parts List
Spare parts are ordered individually. Some parts (screws, for instance) are used in
multiple locations. The total number of pieces used is in parentheses.
Item Part No. Identification
1 Type 4188 Microphone Cartridge
2 DB 3379 Locking Ring for 5 - pin Socket
3 AQ 0631 Socket, 5 - pin with cables and connector to ZZ 0237
4 YO 0292 Washers for item 5 (4 pcs.)
5 YS 0285 Screws for fixing Display VU 1030 to Top Shell (4 pcs.)
6 DM 0292 1 - pole Battery Contact (2 pcs.)
7 DM 0294 2 - pole Battery Contact (3 pcs.)
8 FB 0643 Bottom PC/ABS Shell without Serial Number
9 DD 0526 Cover for Battery Compartment
10 YK 2320 Screw for fixing Bottom Shell to Top Shell (M3
´
20) (2 pcs.)
11 JJ 0216 Socket for External DC Power 7 – 15 V, 2 mm
12 DB 3382 Locking Ring for JJ 0216 External Power Socket
13 AQ 0632 Serial Interface Connector, 9 - pin with cable assembly
14 JJ 0199 1 - pole LEMO Connector for AC and DC Outputs (2 pcs.)
15 Nut, included with item 14 (1 per connector)
Spare Parts not shown in Fig.3.1 :
16 UA 0870 Mounting Hardware for Serial Interface Connector
17 YS 0288 Screw for grounding key pad
18 YO 0292 Washer for grounding key pad
19 AT 1476 Cable Assembly, battery contacts to connector on ZG 0403
20 AT 1479 Cable Assembly, AC and DC Outputs to connector on ZZ 0237