LC-19A1E (serv.man4). Troubleshooting Table - Sharp TV Service Manual (repair manual). Page 22

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LC-19A1E-BK/WH
4 – 22
LCD failure
Does a single or several vertical 
stripes appear on the LCD screen?
Replace the LCD panel.
Does a single or several horizontal
stripes appear on the LCD screen?
Do luminescent or black dots appear 
on the screen?
Is the on-screen image rippling or
distorted?
LCD failure
The backlight functions.
Does not the image come out in the 
LCD screen (screen black)?
Replace the IC9201 (RSDS-transmit-
ter).
Does the entire LCD screen look 
whitish all over?
Does the QS drive function?
Are there data bit drop-outs?
(No solution even when turning on 
and off the QS drive)
Is the gamma correction as 
specified?

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