Ericsson LBI-39060 Maintenance Manual

DESCRIPTION ............................................................................................................................................................1
MAINTENANCE ............................................................................................................................................................2
Back Cover, All Versions..................................................................................................................................2
Front Cover, All Versions .................................................................................................................................2
Cable Assembly, All Versions...........................................................................................................................2
PCB, All Versions .............................................................................................................................................2
Emergency Dome Switch, All Versions ............................................................................................................2
PTT Dome Switch, All Versions .......................................................................................................................3
PTT Button, All Versions..................................................................................................................................3
Thumbscrew, All Versions ................................................................................................................................3
DESCRIPTION
The following speaker/microphones and earphone are
covered in this manual:
344A4189P1 M-RK , coiled cord, Ericsson GE logo
344A4189P2 M-RK, straight cord, antenna connector,
Ericsson GE logo
344A4189P3 M-RK, coiled cord, Ericsson logo
344A4189P4 M-RK, straight cord, antenna connector,
Ericsson logo
344A4189P11 M-PA, coiled cord, Ericsson GE logo
344A4189P12 M-PA, straight cord, antenna connector,
Ericsson GE logo
344A4189P13 M-PA, coiled cord, Ericsson logo
344A4189P14 M-PA, straight cord, antenna connector,
Ericsson logo
344A4189P21 PCS, coiled cord, Ericsson GE logo
344A4189P23 PCS, coiled cord, Ericsson logo
19B802884P1 Earphone complete
19B802884P2 Earphone only
19B802884P3 Eartip, earphone adapter, earloop and
cable
The speaker/microphones have a push-to-talk switch
which can be activated from any position. A HI/LO/OFF
MAINTENANCE MANUAL
SPEAKER/MICROPHONE
344A4189
EARPHONE
19B802884P1-P3
TABLE OF CONTENTS
switch located on the front permits the user to select a
high or low volume level or when using an earphone, to
mute the speaker in the microphone. A miniature earphone
jack located on the bottom of the case permits the use of
an external earphone.
The Universal Device Connector (UDC) on the end of the
speaker/microphone cable provides the connections to the
radio unit UDC.
The speaker/microphones equipped with an antenna
connector permits an antenna to be connected and used in
place of or in addition to the radio unit antenna.
The following specifications apply:
SPEAKER
Impedance
Power Output
Audio Response
MICROPHONE
Impedance
Frequency Response
Sensitivity
Supply Voltage
LBI-39060
Page
16 ohms
0.5 watts
300 to 3000 Hz
2K ohms
100 to 8000 Hz
-35 dBv (94 dB sp<)
3 Vdc
1