Acer Al1916c Manual

 10
Supported Timing 
[. 
 
 
 
 
 
Support Modes 
 
There will be 20 total support modes to accommodate the above mode and other video modes within the frequency 
range of the monitor.   
85Hz refresh rate Support  
Monitor should display 85Hz refresh rate mode as emergency mode. Monitor should 
display “ Out of Range” warning menu at this mode.   
 
 
  

 
 
11
Monitor Block Diagram 
The LCD MONITOR will contain a main board, a power board, keypad board and audio board which house the flat 
panel control logic, brightness control logic and DDC. 
The Inverter board will drive the backlight of panel. 
 
 
  
  
 
                
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Video signal, DDC
Power Board 
(Inverter, adapter Board) 
Flat Panel and 
CCFL 
backlight
Main Board 
 
Keyboard
RS232 Connector For 
white balance...

 12
Main Board Diagram 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
LCD Interface 
Scalar TSUM16AK 
(Include: MCU, ADC, OSD etc)SST25VF010-
20-4C-SAE 
OSD Control 
Interface (Keypad)
 
D-SUB 
Connector
 
EEPROM 
24C02 
Crystal 
14.318MHZ 
EEPROM
AT24C16N 

 
 
13
Software Flow Chart     
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
2
NY
5
Y N 
10
Y N
12
Y  N 
7
YN
6
4
3
8
9
14
11
13
YN
15
YN
16 
17
19
Y  N 
18  

 14
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)...

 
 
15
Main Board Layout 
 
 
Label Part number  Description 
CN405  88G 35315F H  D-SUB 15PIN 
CN101  33G801724B H  PIN HEADER 24P 2.0mm 
U401 56G 562100  TSUM16AK 
X401  93G 22 53  CRYSTAL 14.318MHzHC-49U 
 
 
  

 16
Front Bezel 
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 position, The power indicator will light up.
 
 
 
 
 
EXTERNAL CONTROLS FRONT PANEL CONTROL   
 
Item Description  Item...

 
 
17
Rear Bezel 
Turn off your computer before performing the procedure below. 
1. Plug the power cable of your monitor into a nearby outlet. Plug the other end of the power cord into the PC port. 
2.  Connector one end of 15-pin D-SUB cable to the back of the monitor and connector the other end to the computer’s 
D-DUB port. 
 
Turn on your monitor and computer. 
 
 
 
 
 
 
Item Description 
1. Power Cable 
2. Signal Cable 
 
 
 
 
 
 
 
 
 
  

 18
Operating 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 position. The power indicator will light up. 
 
External Controls...

 
 
19
Front Panel Control 
• /Power Button:  
Press this button to turn the monitor ON or OFF. And display the monitor’s state. 
 
 
• Power Indicator: 
    Green – Power on mode. 
    Orange – Off mode. 
  
 
• Menu / Enter:  
Activate OSD menu when OSD is OFF or activate/de-activate adjustment function when OSD is ON or Exit OSD 
menu when in Volume Adjust OSD status. 
 
• : 
Navigate through adjustment icons when OSD is ON or adjust a function when function is activated. 
 
 
•  Auto Adjust button /...