Acer X193HQ Service Guide

35
2.) No Backlight
Check Q801, Q804, Q811, Q812,
Q802
Check CN902 pin4, 5 = 12V
Check the adapter and F801
Check ON/OFF signal and the pin 12 of IC801 is 12V
Check main board or change ON/OFF signal
Check the pin5 of IC801 have saw tooth wave
Change IC801
Check Q802 PIN5, 6, 7, 8 have the output
of square wave at short time.
Check the output of T801
Change T801
Check connecter & lamp
OK
OK
OK
NG
OK
NG
NG
NG
OK
NG
OK
Check the PWM wave from the pin9,10 of IC801
Check IC801
NG
http://www.wjel.net

Acer X193HQ Specifications

General

Display diagonal	18.5 \
Display resolution	1366 x 768 pixels
Viewable size, vertical	230 mm
Contrast ratio (typical)	-
Viewable size, horizontal	410 mm
Viewing angle, horizontal	160 °
Digital vertical frequency	55 - 75 Hz
Digital horizontal frequency	30 - 80 kHz
Display brightness (typical)	300 cd/m²
HDCP	Yes
Product color	Black
Panel mounting interface	100 x 100 mm
Power consumption (typical)	17 W
Sustainability certificates	ENERGY STAR

Weight and Dimensions

Depth (without stand)	163.7 mm
Width (without stand)	454 mm
Height (without stand)	334.7 mm
Weight (without stand)	3600 g