BenQ Q7T3 Service Manual

Q7T3(AUO Panel) LCD Monitor Service Guide
1.Alignment procedure (for function adjustment)
A. Preparation:
1. Setup input timing VGA_60Hz, Cross-Hatch (General-1) pattern.
2. The monitor power on at first time that will enter Factory OSD mode. (If not, Please press "Menu" and "Exit" plus
"Power" buttons at the same time. A "Factory" word will be showed on the upper left hand side of OSD Main menu.)
Burn in mode have already started.
"On" to enable burn-in mode.
3. Setup unit and keep it warm up at least 30 minutes
B. Timing adjustment:
1. Enter factory setting area (if it isn't at factory mode, Please press "Menu" and "Exit" plus "Power" buttons at the same
time to enter factory mode.).
2. Burn-In Mode "off".
3. Select timing from Table 1. The timing marked with star sign (*) have to be adjusted.
4. Execute "Recall All" (press "Yes") to clear user area in EEPROM
5. The cursor moves to "AUTO Adjust " or press "I-Key" to run "AUTO adjustment" function.
6. Check the phase of the image; if phase is not perfect adjust it to the best condition.
7. Adjust the settings to following values:
CONTRAST = 50
BRIGHTNESS = 90
OSD TIME = 20
COLOR = sRGB
8. When Factory mode is disable (burn-in mode "off") then power off after power on will enter user mode.
C. Color balance adjustment:
1. Setup input timing VGA_60Hz, cross-hatch (General-1) pattern.
2. Enter factory setting area (if it isn't at factory mode, Please press "Menu" and "Exit" plus "Power" buttons at the
same
time to enter factory mode.).
3. Setup the "Burn-in mode" is "On"
4. Select the color to user-preset mode.
5. At Main menu move cursor to "AUTO Adjust " tag then press the "ENTER" or "I-Key" to run "AUTO Color
balance" function.
6. Checking if the picture is no good, reject this monitor.
D. Color adjustment:
1. Setup input timing VGA_60Hz, cross-hatch (General-1) pattern.
2. Enter factory setting area (if it isn't at factory mode, Please press "Menu" and "Exit" plus "Power" buttons at the
same
time to enter factory mode.).
3. Move cursor into "BUR-IN MODE" tag and select "On" to enable burn-in mode. (If it wants to do "Auto Color
balance", please
4. Measure color temperature by Minolta CA-110 (or equivalent
5. The monitor has already set default value to monitor
If it can't meet color temperature spec. upper default value. Please use Auto Alignment to calibrate the color
temperature; Bluish, & Reddish and sRGB. The color temperature specification as follows:
(See Fig
See Fig 2.
select the color to user-preset
1.). If it hasn't started, Please choose "BURN IN MODE" tag and select
mode.)
equipment).
(just for 56.91L53.001)
Alignment Procedure
1