LC-24LE150M
7 – 2
With [RF] signal input No video onscreen (1)
No video in the UHF/VHF reception
Is there IF output from the tuner pin(8)(9) of TU1101 as
specified ?
NO Check TU1101and its peripheral circuits.
YES
Is there IF input at pin 18 & 19 of IC 3301? NO Check the circuit between TU1101 & IC3301.
YES
Are there the LVDS signal outputs of IC3301? ( pin 43 to 52) NO Check IC3301 and its LVDS peripheral circuit.
YES
Check LVDS cable, LCD controller (incl. panel) and their periph-
eral circuits.
With <Video> signal input No video onscreen (2)
No external input video onscreen <INPUT 3>
Is INPUT 3 selected on the input select menu screen?
NO Select INPUT 3 on the input select menu screen to pick up the
right input signal.
YES
Is there the video signal input at pin (96) of IC3301? NO Check the line between pin (7) of J501 and pin (96) of IC3301.
YES
Are there LVDS signal outputs of IC3301? (pin 43 to 52) NO Check IC3301 and its LVDS peripheral circuits.
YES
Check LVDS cable, LCD controller (incl. panel) and their periph-
eral circuits.
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