BBK DK1020S - Page 46

Check whether power
supply and clock signal
of U201 (MT1389) is normal
Signal Function Troubles
DC voltage when no
disc in (V)
Y Brightness of S-VIDEO
S-video without picture/picture bright/picture
dark
0.74
C Chroma of S-VIDEO S-video without color/color distortion 1.48
VIDEO Component video composite signal
Composite video without picture/picture
bright/picture dark
0.74
Y1 Component video brightness signal
Component video without picture/picture
bright/picture dark
0.76
Pb 1.46
Pr 1.75
Component video chroma signal Component video color distortion