NEC PX-50XM4 series Service Manual page 402

BLOCK DIAGRAM
PX-50XR4/61XR3 Series
VIDEO1 Video SW
(BNC)
VIDEO2
(RCA)
VIDEO3
(S)
DVD/HD1
(3RCA)
Video/sync
RGB2/
DVD/HD2
(5BNC)
RGB1
(D-Sub)
RGB3
(DVI) Receiver
Video chroma
Decoder
LPF1
Out1
SW
LPF2
Out2
TMDS
CPU
A/D1 Digital signal
Processing block
I-P converter
Scaling
correction
γ
Double pic processing
A/D2
CONFIDENTIAL
LVDS
Transmitter
To Module
Analog signal line
:
Digital signal line
:
: Control signal line
12-1