Tv Out Interface; Av Connector - Nokia 6720 Service Manual

RM-424; RM-564
System Module

TV out interface

TV out interface
The device has a TV-out interface that includes a TV-out graphics engine. The engine supports composite
video output (CVBS) and NTSC or PAL output standards. CVBS is single video signal containing all of the
necessary information to reproduce a color picture.
Global supply voltages are VIO and VAUX1. VCORE and VPLL supply voltages are regulated with external
regulator LP5952 using VIO and supply voltage from battery VBAT.
The TV-out video signal is wired to the AV connector through an EMC filter.
Figure 57 TV-out interface

AV connector

The AV connector handles both audio and video signals output. It has audio left and right signals separately
(pins 4 and 5) and TV-out (CVBS) and microphone signals wired to the same pin (pin 3), because they are not
in use at the same time.
Figure 58 AV connector
The AVVideoControl signal handles TV-out and microphone usage of the AV connector. The plug detection
signal handles the AV connector plug detection with HeadDet signal from EM ASIC.
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