Sharp Aquos LC-32LE150M, Service Manual

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LC-32LE150M
7 – 3
With <Component> signal input No video onscreen (2)
No external input video onscreen <INPUT 2>
Is INPUT 2 selected on the input select menu screen? NO Select INPUT 2 on the input select menu screen to pick up the
right input signal.
YES
Are there the Y, Pb and Pr signal inputs at pins (22), (24) and
(26) of IC3301 respectively?
NO Check the line between pins (10)/(11)/(12) of TL504 ,TL505,
YES
Is input waveform of IC3301 normal?
Y=(24)pin , Pb=(22) pin, Pr=(26) pin NO
Check IC3301 and its peripheral circuits.
YES
Check LVDS cable, LCD controller (incl. panel) and their periph-
eral circuits.
With <HDMI> signal input No video onscreen (4)
No external input video onscreen <INPUT 1>.
Is INPUT 1 selected on the menu screen? NO Select INPUT 1 on the input select menu screen to pick up the
right signal input.
YES
Are there signal outputs from SC1501 to IC3301? NO Check peripheral circuits between SC1501 and IC3301.
YES
NO Check IC3301 and its peripheral circuits.
YES
Check LVDS cable, LCD controller (incl. panel) and their periph-
eral circuits.
TL506 and pin (22),(24),(26)
Check the line between pins (10)/(11)/(12) of TL504 ,TL505,
TL506 and pin (22),(24),(26)
YES
Are the LVDS signal output from IC3301 at pin 61-64
and pin 66-71 ? NO
Are there LVDS signal outputs of IC3301 at pin 61-64 and pin
66-71