
STV224XH/228XH/223XH - INPUT/OUTPUT SCHEMATIC DIAGRAMS
Figure 51. XTAL1 Control Pin, Vert. Amplitude DAC Output and Chroma Reference Signal Output
VCC1 (8 V)
X1/VAMP¨/CHROUT
Pin 42 (SDIP56)
GND1
GND1
GND1
Figure 52. NTBC or Main CVBS Video Switch Output
GND1 GND1 GND1
VCC1 (8 V)
NTBC/CVBSOUT1
Pin 29 (SDIP56)
75/86
GND1 GND1 GND1