Sanyo LED-46XR10FH Service Manual page 18

Video route: digital video signal is sent into main chip MSD209GL for decoding and video processing
after demultiplexing, then LVDS signal will be outputted to drive display panel;
Audio route: digital audio signal will be sent into main chip MSD209GL for decoding and audio
processing after demultiplexing, then dual-sound-track analog audio signal (stereo) is sent to earphone
amplifier BH3547F to be amplified after the processes of preamplification, acoustic effect processing and
volume control by main chip MSD209GL, then one is sent to earphone jack, the other is sent to audio
power amplifier R2A15112FP (D class) to be amplified and then drive speakers.
3、 AV input signal flow
AV video signal is sent into main chip MSD209GL to be processed by modules of video decoding,
deinterlacing, video processing and zoom, then LVDS signal will be outputted to drive display panel;
AV audio signal is sent into main chip MSD209GL for acoustic effect processing and volume control
after the processing of voltage division, impendence matching and AC coupling, then it is sent to
earphone amplifier BH3547F to be amplified, one is sent to earphone jack, the other is sent to audio
power amplifier TDA7266SA (AB class) to be amplified and then drive speakers.
4、 D-SUB/YPbPr input signal flow
D-SUB/YPbPr video signal is sent into main chip MSD209GL to be processed by modules of A/D
conversion, video decoding, deinterlacing, video processing and zoom, then LVDS signal will be
outputted to drive display panel;
D-SUB/YPbPr audio signal is sent into main chip MSD209GL for acoustic effect processing and
volume control after the processing of voltage division, impendence matching and AC coupling, then it is
sent to earphone amplifier BH3547F to be amplified, one is sent to earphone jack, the other is sent to
audio power amplifier R2A15112FP (D class) to be amplified and then drive speakers.
5、 HDMI input signal flow
HDMI video signal is sent into main chip MSD209GL to be processed by modules of video decoding,
video processing and zoom, then LVDS signal will be outputted to drive display panel;
HDMI audio signal is sent into main chip MSD209GL for audio processing, preamplification, acoustic
effect processing and volume control, then it is sent to earphone amplifier BH3547F to be amplified, one
is sent to earphone jack, the other is sent to audio power amplifier R2A15112FP (D class) to be amplified
and then drive speakers.
6、 AV input signal flow
Current active AV video signal is sent into main chip MSD209GL for video coding, then it is amplified
by peripheral video amplified circuits and then outputted;
Current active AV audio signal is sent into main chip MSD209GL for preamplification, acoustic effect
processing and volume control, then it is sent to operation amplifier to be amplified and then outputted.
7、 SPDIF input signal flow
Current active AV audio signal is sent into main chip MSD209GL for acoustic effect processing,
volume control and digital audio coding, then it is outputted.
8、 MEMC input signal flow
Current active AV video signal is sent into main chip MSD209GL for video coding, then LVDS signal
is outputted to MEMC chip 6M20S for frame insertion processing, and then frequency multiplication LVDS
signal is outputted to drive display panel.