Acer X193HQ Service Guide

16
Remark:
1) MCU initializes.
2) Is the EEPROM blank?
3) Program the EEPROM by default values.
4) Get the PWM value of brightness from EEPROM.
5) Is the power key pressed?
6) Clear all global flags.
7) Are the AUTO and SELECT keys pressed?
8) Enter factory mode.
9) Save the power key status into EEPROM.
Turn on the LED and set it to green color.
Scalar initializes.
10) In standby mode?
11) Update the lifetime of back light.
12) Check the analog port, are there any signals coming?
13) Does the scalar send out an interrupt request?
14) Wake up the scalar.
15) Are there any signals coming from analog port?
16) Display "No connection Check Signal Cable" message. And go into standby mode after the
message disappears.
17) Program the scalar to be able to show the coming mode.
18) Process the OSD display.
19) Read the keyboard. Is the power key pressed?
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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