Ericsson EF738 Service Manual page 132

Vehicle HandsFree Solution HF7300 __________________ 27
Introduction _____________________________________________ 27
HandsFree Features ______________________________________ 27
HandsFree Components ___________________________________ 28
Cradle _____________________________________________________ 28
Stick-On Microphone _________________________________________ 28
External Speaker_____________________________________________ 28
HandsFree Unit______________________________________________ 28
Microphone Amplifier______________________________________ 29
Speaker Amplifier _________________________________________ 29
Modem/Handset Option ____________________________________ 29
Audio Switch Control ______________________________________ 29
External Audio Control _____________________________________ 29
Music Mute Control _______________________________________ 29
Power Supply_____________________________________________ 30
Optional Accessories ______________________________________ 30
Music Mute_________________________________________________ 30
Goose-Neck Microphone ______________________________________ 30
Data Extension ______________________________________________ 30
External Handset_____________________________________________ 30
Specifications ____________________________________________ 31
HandsFree Unit______________________________________________ 31
Cradle _____________________________________________________ 31
Connectors and Signals____________________________________ 32
Holder _____________________________________________________ 32
System Connector _________________________________________ 32
HandsFree Unit______________________________________________ 32
System Connector J1 _______________________________________ 33
Power Connector J2________________________________________ 33
Microphone Connector J4 ___________________________________ 34
Music Mute Connector J5 ___________________________________ 34
Data Communication Connector J6____________________________ 34
Speaker Connector J7 ______________________________________ 34
Continued on next page
Accessories
5