Sharp LC-32M400M-BK - Page 30

LC-32M400M-BK/WH/RD
6 – 4
With <Component> signal input No video onscreen (5)
No external input video onscreen <INPUT 6>
Is INPUT 6 selected on the input select menu screen? NO Select INPUT 6 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 (15), (13) and
(17) of IC3301 respectively?
NO Check the line between pins (15)/(13)/(12) of SC5201 and pins
(15)/(13)/(17) of IC3301.
YES
Is input waveform of IC3301 normal?
Y=(15) pin, Pb=(13) pin, Pr=(17) 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 (6)
No external input video onscreen <INPUT 1>, <INPUT 2>,
<INPUT 3>
Is INPUT 1/INPUT 2/INPUT 3 selected on the menu screen? NO Select INPUT 1/INPUT 2/INPUT 3 on the input select menu
screen to pick up the right signal input.
YES
Are there the signal input from HDMI connector to the following
input terminals of IC1551?
NO Check IC1551 and their peripheral circuits.
YES
Are there signal outputs from IC1551 to IC3301? NO Check peripheral circuits between IC1551 and IC3301.
YES
Are there signal outputs of IC3301? NO Check IC3301 and its peripheral circuits.
YES
Check LVDS cable, LCD controller (incl. panel) and their periph-
eral circuits.