Philips 22PFS4232/12 Service Manual page 35

6.5 HDMI
Refer to below for the application.
The following HDMI connector can be used:
• HDMI 1: HDMI input ( TV digital interface support HDMI1.4/HDCP1.3) with digital audio/PC DVI input/ARC
• HDMI 2: HDMI input ( TV digital interface support HDCP) with digital audio/PC DVI input/ARC
• +5V detection mechanism
• Stable clock detection mechanism
• Audio return channel(ARC)
• TMDS output control
• HPD control
• CEC control
6.6 Video and Audio Processing – NT72461MBG
The NT72461MBG is the main audio and video processor (or System-on-Chip) for this platform. It has the following features:
• DVB-T /DVB-T2/ DVB-S2 demodulators
• Power CPU core
• A muti-standard video decoder
• A transport de-multiplexer
• Rich format audio codec
• Local dimming (LED backlight)
• TCON
• Panel overdrive control
The NT72461MBG-PA is an integrated digital TV system-on-chip which compliants with variety ATV as NTSC, PAL and SECAM, and DTV standards as
ISDB-T, DVB-T/-T2/-C/-S/-S2, ITU-T J.83B, ATSC, integrates DTV and multi-media AV decoder, SIF demodulator, and support A/V post-processing.
The integrated video ADC and video decoder support PC VGA port, YPbPr or SCART, CVBS and SCART S-Video Input. Regarding the tuner input, the
digital VIF performs the universal analog TV demodulation (NTSC, PAL, and SECAM), including IF processing, AGC, video demodulation, and second
sound IF generation (SSIF).The video decoder supports universal TV video format. The integrated audio ADC supports stereo audio input corresponding to
video input sources. The integrated TV sound decoder supports universal TV sound format.
The advanced picture quality and color engine create more vivid image impression than ever. The HDMI receiver v1.4b, supports deep color, CEC features
and 3D formats. The USB high speed host supports updating firmware code, multi-media playback from the external USB flash devices.
The standby controller can operate sololy from the main system, powered by the standby power source from power module, consumes as low current as
possible. It meets the requirement of Green appliance.