AOC LM929, EN9250 Schematic
LM929 & EN9250
LM929 EN9250
Main Menu Item
Luminance
Image Setup
Image Position
Color Temp.
Auto Config
(Analog-Only
Model)
Main Menu
Icon
Sub Menu Item Sub Menu Icon
Contrast
Brightness
Focus
Clock
H. Position
V. Position
Warm N/A
Cool N/A
User / Red
User / Green
User / Blue
Yes
No N/A
N/A
Description
Contrast from Digit al -regi ster. 0-100 Recall Cool Contrast Value
Backlight Adjustment 0-100
Adjust Picture Phase to reduce
Horizontal-Line noise
Adjust picture Cloc k to reduce VerticalLine noise.
Adjust the horizontal position of the
picture.
Adjust the vertical position of the picture. 0-100 Do Auto Config
Recall Warm Color Temperature from
EEPROM.
Recall Cool Color Temperature from
EEPROM.
Red Gain from Digital-regis t er. 0-100
Green Gain Digital-register. 0-100
Blue Gain from Digital-regi ster. 0-100
Auto Adjust the H/V P osition, Focus and
Clock of picture.
Do not execute Auto Config, return to
main menu.
Adjust
Range
0-100 Do Auto Config
0-100 Do Auto Config
0-100 Do Auto Config
N/A
N/A
N/A N/A
N/A N/A
Reset Value
Recall Cool Brightness
Value
The Color Temperature
will be set to Cool.
The User R/G/B
value(default is 100) will
not be Modified by Reset
function.
Input Select
(Dual-Input Model)
OSD Setup
Language
Information
Reset
Exit
Analog
Digital N/A Select input signal from digital (DVI) N/A N/A
H. Position
V. Position
OSD Timeout
English N/A Set OSD display language to Engli sh. N/A
Deutsch N/A Set OSD display language to German. N/A
Français N/A Set OSD display language to French. N/A
Español N/A Set OSD di splay language to Spain. N/A
Italiano N/A Set OS D di splay language to Italian. N/A
N/A
Information N/A
Yes N/A
No N/A
N/A N/A Exit OSD N/A N/A
N/A Select input signal f rom analog (D-Sub) N/A N/A
Adjust the horizontal position of the OSD. 0-100 50
Adjust the vertical position of the OSD. 0-100 50
Adjust the OSD timeout. 10-120 10
The Language will be set
to English.
Set OSD display language to Si mplified
Chinese.
Show the resolution, H/V frequenc y and
input port of current input t i ming.
Clear each old status of A utoconfiguration and set the c ol or
temperature to Cool.
Do not execute reset, return to m ai n
menu.
N/A
N/A N/A
N/A N/A
N/A N/A
3. OPERATING INSTRUCTIONS
3.1 GENERAL INSTRUCTIONS
Press the power button to turn the monitor on or off. The other control buttons are located
at front panel of the monitor. By changing these settings, the picture can be adjusted to
your personal preferences.
The power cord should be connected.
-
Connect the video cable from the monitor to the video card.
-
Press the power button to turn on the monitor, the power indicato r will light up .
-
3.2 ADJUSTING THE PICTURE
I. Analog-Only Model II. Dual-Input Model, Analog Signal Input
III. Dual-Input Model, Digital Signal Input
Note:
is “ENVISION”
There is a difference of the LM929 and EN9250: LM929’ s LOGO is “AOC” and EN9250’ s LOGO
The description for control function :
Main Menu
Item
Luminance
Main
Menu
Icon
Sub Menu
Item
Contrast
Brightness
Sub Menu
Icon
Description
Contrast from Digital-
Backlight Adjustment 0-100
register.
Adjust
Range
0-100
Reset Value
Recall Cool
Contrast Value
Recall Cool
Brightness Value
Mode Resolution Total
640x480@60Hz 800 x 525 31.469 N 59.940 N 25.175
VGA
SVGA
XGA
640x480@72Hz 832 x 520 37.861 N 72.809 N 31.500
640x480@75Hz 840 x 500 37.500 N 75.00 N 31.500
800x600@60Hz 1056 x 628 37.879 P 60.317 P 40.000
800x600@72Hz 1040 x 666 48.077 P 72.188 P 50.000
800x600@75Hz 1056x625 46.875 P 75.000 P 49.500
1024x768@60Hz 1344x806 48.363 N 60.004 N 65.000
1024x768@60Hz 1312x813 48.78 N 60.00 N 64.000
1024x768@70Hz 1328x806 56.476 N 70.069 N 75.000
1024x768@72Hz 1304x798 57.515 P 72.074 P 75.000
1024x768@75Hz 1328x804 60.200 N 74.90 N 80.000
1024x768@75Hz 1312x800 60.023 P 75.029 P 78.750
1280 x1024@60Hz 1688 x1066 64.000 N 60.000 N 108.000 SXGA
Nomin
al
Freque
ncy
+/-
0.5kHz
Sync
Polarity
Nominal
Freq.
+/- 1 Hz
Sync
Polarity
Nominal
Pixel
Clock(MHz)
1280 x1024@75Hz 1728 x1011 80.000 P 75.000 P 135.000
IBM MODES
Horizontal Vertical
Mode Resolution
DOS 720x400@70Hz 900 x 449 31.469 N 70.087 P 28.322
DOS 640x350@70Hz 800 x 449 31.469 N 70.087 P 25.175
VGA 640x480@67Hz 864x525 35.000 N 66.667 N 30.240
SVGA 832x624@75Hz 1152x667 49.725 N 74.551 N 57.2832
Note: All modes will automatically optimize the screen size with “ AUTO-config “ function, except 3
Dos- Modes : 720 x 400@70hz, 640x350@70hz ,640x400@70hz
Total
Nominal
Frequency
+/- .5kHz
MAC MODES
Sync
Polarity
Nominal
Freq.
+/- 1 Hz
Sync
Polarity
Nominal
Pixel
Clock(MHz)
4.3 DIGITAL CONTROL OPERATION
Signals used for mode detection:
- Nominal horizontal frequency
- Nominal vertical frequency
- Horizontal sync. Pulse polarity
- Vertical sync. Pulse polarity
The tolerance for detecting the horizontal frequency is between ±1KHz from center frequency
The tolerance for detecting the vertical frequency is between ±0.5hz from center frequency
FACTORY PRE-SET MODES FOR ANALOG INPUT
Starting the “ RESET” function in the OSD-MENU will clear all old settings of auto configuration in
preset modes & OSD back to center & Language set to English
FACTORY PRE-SET MODES FOR DIGITAL INPUT
Starting the “ RESET” function in the OSD-MENU will auto-centering the Image& OSD back to center &
Language set to English
PROTECTION CIRCUIT
Missing or improper sync pulses will not damage the monitor. Additionally, under these conditions, the
monitor shall not cause damage to the driving source
4.4 POWER SUPPLY REQUIREMENT
4.4.1 INPUT REQUIREMENT
PARAMETER RANGE CONDITION
Input Voltage 100 to 240VAC RMS Universal input full range
Input Frequency
Input Current Less than 2.0 Amps RMS
Less than 1.0 Amps RMS
Input Power Less than 40 Watts
Power factor > 0.5
Inrush Current Less than 30 A peak
Less than 50 A peak
60Hz @ 100VAC to 50Hz
@ 240VAC
Input voltage 120 VAC RMS ; 60
Hertz
Input voltage 100 VAC RMS ; 60 Hertz.
Parameter must be reached within 3 seconds
of turn-on.
Input voltage 220 VAC RMS ; 50 Hertz.
Parameter must be reached within 3 seconds
of turn-on.
Input voltage 100 VAC RMS ; 60 Hertz at all
Phase(0, 90, 180, 270 degree)
Input voltage 240 VAC RMS ; 50 Hertz at all
Phase(0, 90, 180, 270 degree)
Fuse should be located internal to
Input Fusing
Leakage Current
Hi-Pot
Primary to Safety Ground 1.5KVAC for 1 Minute(leakage current
the adapter, easily accessible
when the cover is removed
Less than 3.5 mA Input voltage 240 Volts RMS ; 50 Hertz
Primary to secondary 1.5KVAC for 1 Minute(leakage current
Fuse must be UL/CSA approved. Fuse value
must no have to change for 115 VAC or 230
VAC operation
10mA)
1.8KVAC for 1 Minute(leakage current
10mA)
3.0KVAC for 1 Minute(leakage current
10mA)
without Y-cap & Coupling cap.
10mA)
1.8KVAC for 1 Minute(leakage current
10mA)
4.4.2 OUTPUT REQUIREMENT
PARAMETER RANGE CONDITION
DC Out 12VDC ± 5% Min 0A Max 3.75A
Load Regulation 12.0V ± 5% 11.4 to 12.6VDC
Dynamic Load
Regulation
Any frequency up to 250Hz(duty
50%)
±5% for 10% to 100%, 100% to 10% load
change for +12Vdc
Contrast ratio Normal Direction 400 600
[m sec] Raising Time – 15 25
Response Time (Note 1)
Color Coordinates(CIE) White
White Luminance at CCFL
7.0mA
(central point)
Luminance Uniformity(Note 2) [%] 75 80 –
Crosstalk (in 75Hz)(Note 3) [%] 1.5
[m sec] Falling Time – 10 15
[m sec] Raising +Falling – 25 40
Red x 0.604 0.634 0.664
Red y 0.324 0.354 0.384
Green x 0.278 0.308 0.338
Green y 0.576 0.606 0.636
Blue x 0.108 0.138 0.168
Blue y 0.057 0.087 0.117
White x 0.28 0.31 0.34
[cd/]
White y 0.3 0.33 0.36
200 250 –
4.5.4 PARAMETER GUIDE LINE FOR CFL INVERTER.
SYMBOL PARAMETER MIN TYP MAX UNITS CONDITION
(L255) White Luminance 200 250 –
ISCFL CCFL standard current 6.5 7 7.5
IRCFL CCFL operation range 3 7 7.5
FCFL
ViCFL
(0)
ViCFL
(25)
VCFL
PCFL CCFL Power consumption 20.16 23.4 [Watt]
Note1: CCFL frequency should be carefully determined to avoid interference between inverter and TFT
LCD
CCFL Frequency 40 50 60 [KHz]
CCFL ignition Voltage 2000
CCFL ignition Voltage 1500
CCFL Discharge Voltage
(Reference)
720 780
[cd/] (Ta=25)
[mA]
rms
[mA]
rms
[Volt]
rms
[Volt]
rms
[Volt]
rms
(Ta=25)
(Ta=25)
(Ta=25)
Note 1
(Ta=0)
Note 2
(Ta=25)
Note 2
(Ta=25)
Note 3
(Ta=25)
Note 3
Note 2: CCFL inverter should be able to give out a power that has a generating capacity of over 2000
voltage
Note 3:Calculator value for reference (ICFL x VCFL=PCFL)=PCFL
Note 4:Lamp soldering method is required to use “Hook Soldering”
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