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AOC 919vz Service Manual

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19 LCD Color Monitor                                      AOC 919Pz&919Sz&919Vz 
 
Service 
Service 
Service
                                                              
 
 
                                                                                          
 
919Pz               919Sz&919Vz 
         
                       
                           
 
Horizontal Frequency 
                                                                                     30-80 KHz 
Table of Contents...

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2
Revision List 
Version  Release Date  Revision History Customer Model  TPV Model Name 
A00 Sep.16.2010 Initial release 919Pz T9AHMJDBK1K3DN 
T9AHMJDMKASDDN 
919Sz T9AHMJDBK1KPAN 
T9AHMJDMK1SDAN 
919Vz T9AHMJDBK1K2DN 
T9AHMJDLK13ADN 
A01  Nov.08.2010  Add new model  919Vz  T9AHMJDTKA1RDN 
A02  Dec.02.2010  Add new model  919Vz  T9AHMJDLK13ADN 
A03  Dec.14.2010  Add new models919Pz T9AGMJDBKNK3DN 919Sz T9AGMJDBKMKPAN 
919Vz T9AGMJDBKMK2DN 
A04  Jan.18.2011  Add new model 
919Vz T9AGMJDEKM6ADN 
A05...

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Important Safety Notice  
Proper service and repair is important to the safe, reliable operation of all AOC Company Equipment. The service 
procedures recommended by AOC and described in this service manual are effective methods of performing service 
operations. Some of these service operations require the use of tools specially designed for the purpose. The 
special tools should be used when and as recommended.
 
It is important to note that this manual contains various CAUTIONS and NOTICES which...

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1. Monitor Specifications 
LCD Panel   
Model number   919Pz
Driving system   TFT Color LCD   
Viewable Image Size 48.3cm diagoanl 
Pixel pitch   0.294mm(H) x 0.294mm(V) 
Video  R, G, B Analog lnterface & Digital Interface 
Separate Sync.   H/V TTL 
Display Color   16.7M Colors   
Dot Clock   135 MHz   
Resolution  
Horizontal scan range   30 kHz - 80 kHz 
Horizontal scan Size(Maximum) 376.32mm  
Vertical scan range   55 Hz - 75 Hz   
Vertical scan Size(Maximum)   301.056mm  
Optimal preset...

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LCD Panel   
Model number   919Sz&919Vz
Driving system   TFT Color LCD   
Viewable Image Size 48.3cm diagoanl 
Pixel pitch   0.294mm(H) x 0.294mm(V) 
Video  R, G, B Analog lnterface (for 919Sz) 
R, G, B Analog lnterface & Digital Interface(for 919Vz)
Separate Sync.   H/V TTL 
Display Color   16.7M Colors   
Dot Clock   135 MHz   
Resolution  
Horizontal scan range   30 kHz - 80 kHz 
Horizontal scan Size(Maximum)   376.32mm  
Vertical scan range   55 Hz - 75 Hz   
Vertical scan Size(Maximum)...

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6
2. LCD Monitor Description 
The LCD monitor will contain a main board, a power board and a key board which house the flat panel control logic, 
brightness control logic and DDC. 
The power board will provide AC to DC Inverter voltage to drive the backlight of panel and the main board chips 
each voltage. 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Monitor Block Diagram 
AC-IN 
100V-240V
 
Power Board 
(Include: adapter, inverter, audio) 
Flat Panel and 
CCFL backlight...

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7
3. Operating Instructions 
3.1 General Instructions 
Press the power button to turn the monitor on or off. The other control knobs 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. 
* Press the power button to turn on the monitor. The power indicator will light up.   
3.2 Control Buttons 
For 919Pz 
 
 
1 Source(Auto) / Exit   
2 Eco mode / -   
3. Volume / + 
4. Menu / Enter 
5....

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8 For 919Sz&919Vz 
 
 
1 Source(Auto) / Exit   
2 Eco mode / -   
3. Volume / + 
4. Menu / Enter 
5. Power Button & Indicator
 

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9
3.3 OSD Menu 
•  Press the MENU-button to activate the OSD window.   
•  Press+ or - to navigate through the functions. Once the desired function is highlighted, press the 
MENU-button to activate it.If the function selected has a sub-menu, press + or - again to navigate through 
the sub-menu functions.Once the desired function is highlighted, press MENU-button to activate it.   
•  Press+ or - to change the settings of the selected function. To exit and save, select the exit function. If you 
want...

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10 Function Control Illustration 
 
Luminance  Adjust Range   Description  
Brightness  0-100  Backlight Adjustment   
Contrast  0-100  Contrast from Digital-register. 
Eco mode   
 
 
 
  
Standard 
  
Standard Mode   
  
Text 
  
Text Mode 
  
Internet 
  
Internet Mode 
  
Game 
  
Game Mode   
  
Movie 
  
Movie Mode 
  
Sports 
  
Sports Mode 
Gamma  
Gamma1 Adjust to Gamma1 
Gamma2 Adjust to Gamma 2 
Gamma3 Adjust to Gamma 3   
DCR  
Off 
  
Disable dynamic contrast ratio 
On 
  
Enable dynamic...
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