Sharp LC-22DC30M User Manual

LC-22DC30M
6 – 3
With <Component> signal input No video onscreen (3)
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
Are there the Y, Pb and Pr signal inputs at pins (34), (36) and
(38) of IC3301 respectively?
NO Check the line between pins (19)/(17)/(15) of J502 and pins (34)/
(36)/(38) of IC3301.
YES
Is input waveform of IC3301 normal?
Y=(36) pin, Pb=(34) pin, Pr=(38) 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
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.

Sharp LC-22DC30M Specifications

General

Brand	Sharp
Model	LC-22DC30M
Category	LCD TV
Language	English