User Guide

TV out

In this phone the 3.5mm AV connector has a double function - depending of the mode the phone is put in

the AV connector will operate as a normal galvanic connector for headsets etc or as TV output (that can be

connector to a external TV.

In TV mode the cable CA-75U is used to connect the AV connector to the TV (RCA connectors). Both NTSC and

PAL standards are supported by the TV out function.

Depending on the position of the switch (N2003), compressed video signal is feed to pin 3 or audio input

from external microphone is feed to the phone.

Note: Only use an approved cable for connecting to the AV connector (CA-75U).

Figure 56 TV out block diagram

Table 16 AV connector pins

Pin Signal name Direction Description

1, 2 HS_ GND - Ground)

3 HS_MIC/

HS_COMP_VIDEO

Input/Output Microphone input Video output depending on

switch N2003

4 HS_EAR_R Output Audio out

5 HS_EAR_L Output Audio out

6 PLUG_DET Input Plug detection

RM-348; RM-349; RM-350

System Module and User Interface

Page 8 –12 COMPANY CONFIDENTIAL Issue 2