LG LM805L-WL, Руководство по обслуживанию

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4. NO RASTER ON VIDEO SIGNAL INPUT
NO RASTER ON VIDEO SIGNAL
CHECK CABLE OF
VCR,DVD
CHECK VCR,DVD I/O SIGNAL
CHECK THE PERIPHERAL IC
OF SAA7114(U7)
CHECK THE PERIPHERAL IC
OF SDA9400(U16)
CHECK THE PERIPHERAL IC
OF LVDS(U23)
CHECK THE PERIPHERAL IC
OF PW166(U8)
CHECK SAA7114(U7) I/O
SIGNAL
CHECK SDA9400(U16) I/O
SIGNAL
CHECK PW166(U8) I/O SIGNAL
CHECK LVDS(U23) I/O SIGNAL
POWER CHECK OF SAA7114(U7) : L19,L21(3.3V)
POWER CHECK OF SDA9400(U16) : L23(3.3V)
POWER CHECK OF PW166(U8) : BA033T(U37) =>3.3V, LM317(U10) =>2.5STB
POWER CHECK OF LVDS(U23) : L14(LVDCVCC), L15(PLLVCC)
NO INPUT SIGNAL
NO INPUT SIGNAL
NO OUTPUT SIGNAL
NO OUTPUT SIGNAL
NO INPUT SIGNAL
NO INPUT SIGNAL
NO OUTPUT SIGNAL
NO INPUT SIGNAL