AOC P/N : 41A50-144 - Manual (Page 11)

10
5. CIRCUIT-DESCRIPTION
5-1 SPECIAL FUNCTION with PRESS-KEY
A). press Menu button during 2 seconds along with plug-in the DC Power cord:
That operation will set the monitor into “Factory- mode”, in Factory mode we can do the White balance
adjustment with RS232 , and view the Backlight counter (this counter is use to record the panel activate
hours ,for convenient the maintainer to check the panel backlight life time)
In Factory mode, OSD-screen will locate in left top of screen.
Press POWER-button off to on once will quit from factory mode and back to user-mode.
B). Press both Left & Right button along with Power button off to on once will activate the OSD-LOCK
function, repeat this procedure will disable OSD-LOCK
In OSD-LOCK function, all OSD function will be lock , except Contrast and Brighness
OSD-INDEX EXPLANATION
1. CABLE NOT CONNECTED: Signal-cable not connected.
2. INPUT NOT SUPPORT:
a. INPUT frequency out of range: H > 81kHz, v > 75Hz or H < 28kHz, v < 55Hz
b. INPUT frequency out of VESA-spec. (out of tolerance too far)
3. UNSUPPORT mode, try different Video-card Setting:
Input frequency out of tolerance, but still can catch-up by our system (if this message show, that means, this
is new-user mode, AUTO-CONFIG will disable)
5-2 THE Different on MAINBOARD or other ACCESSORY when using different PANEL type
1). The MCU software should be change
example : for CHI-MEI panel , the MCU part-number is 56A-1125-61-M
for Hyundai panel , the MCU part-number is 56A-1125-61-Y
and the other ACCESSORY when use different panel type should be change as following:
1). The INVERTER module for CHI-MEI panel part-number is 79AL17-1-S
for Hyundai panel the INVERTER part number is 79A-L17-3-S
2). The cable to Panel side for CHI-MEI panel part number is 95A8018-30-1
for HYUNDAI panel is 95A8018-30-3
3). The Dsub cable for CHI-MEI is 89A-174D-5BF-GLF,
for Hyundai is 89A-174-L17-3.
4). The
Mechanical accessory is change or adding as follow;
CHI-MEI PANEL M170E1 Hyundai PANELHT17E11-100
MAIN-FRAME 15A5684-1 15A5705-1
Panel 750ALCD170-3 750ALCD170-4