Zaxcom TRX992 Bedienungsanleitung PDF herunterladen (Seite 63)

Zaxcom Digital Wireless System User’s Manual______________________________________Chapter 12

Chapter 8 – Wiring Diagrams

NOTE: All of the diagrams in this chapter show the solder side of each connector.

NOTE: The following 3-pin micro-LEMO connectors mate with the microphone connector:

FGB.00.303.CLAD.22 – has a latch with a pull release. (HIGHLY recommended for RFI prevention)

FVB.00.303.NLA – has a latch with a twist release.

IMPORTANT: The reason for the break on serial #, transmitters before #1315 do not have a bias resister

installed. To have a mic work with them it is necessary to include it.

CAUTION: When wiring a microphone for the TRX900 ( / AA / L), the microphone shield/ground must be

connected to the LEMO shell as well as the correct pin on the microphone connector itself.

This connection stops RF energy from entering the bodypack through the shield of the microphone cable. If this

happens, the user can experience RF dropouts at any distance from the receiver. Routing the microphone

cable away from the TRX900 ( / AA / L) antenna is a temporary fix if this effect is noticed.

Use of the push-in type LEMO connector, rather than the screw in type, is advised as it is easier to make the

ground connection to the connector shell.

TRX900 ( / AA / L) Microphone Cables (after serial # 1314)

NOTE: Before building cable(s) using these diagrams, PLEASE REVIEW the information at the top of this

chapter.

Figure 8-1 Two-wire Microphone Configuration (Current Transmitters)

Contact your Mic’s

Manufacturer.

Figure 8-2 Three-wire Microphone Configuration (Current Transmitters)

Figure 8-3 Balanced Line to TRX900 ( / AA / L)

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Zaxcom TRX992 Bedienungsanleitung Seite 63