Daewoo DP-42SM, Service Manual

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5-2.VIDEO PCB
- PROCESS Various Signal (PC, COMPONENT, COMPOSITE ) to produce 24BIT DIGITAL output
1) IC and TP
(1) IC400(UPD64083)
-Using 3D COMBFILTER to separate COMPOSITE signal to Brightness Signal(Y) and Color
Signal(C)
*TP ( Input : COLOR BAR PATTERN )
A. YCOMP : Brightness Signal(Y)
B. CCOMP : Color Signal (C)
(2) IC401 (SAA7118E)
-Receive NTSC, SECAM, PAL VIDEO by COMPOSITE(V) , S-VHS(Y.C) COMPONENT (Y Cb Cr)
and process signal
*TP
A. DECOE : CHIP ENABLE part. When signal process is done by IC401, output 3.3V DC LEVEL