Characteristics125D1008 (BK)
Service Manual
25D1008 (BK)
LX4 Diversity Receiver
Characteristics
General
The Shure Model LX4 is a single-conversion superheterodyne
diversity FM receiver operating in the 169 to 240 MHz band. It is
intended for use with compatible Shure VHF wireless transmitters.
Controls and Connectors
Figure 1. Identification of Controls and Connectors
1. Diversity signal indicators
2. Rf level indicators
3. Audio level indicators
4. Squelch control
5. Audio level output control
6. Power ON indicator
7. Power ON/OFF button
8. Antenna connectors
9. Output connectors
10. MIC/LINE slide switch
11. Power jack
12.5 – 18.9 VDC
10
POWER
MARCAD
DIVERSITY
1
RF A RF B
AUDIO
SQUELCH LEVEL
2 4
5
3
6
7
ANTANT
OUTPUTS
HI Z
BAL
MIC LINE
POWER
AB
8
9
9 11
8
Service Note: Shure recommends that all service procedures be performed by a Factory-
Authorized Service Center or that the product be returned directly to Shure Brothers Inc.
Licensing: Operation may require a user license. Frequency or power-output modifications
may violate this product’s approvals. Contact your country’s communications authorities.
E1999, Shure, Inc.
Printed in U.S.A.
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