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AOC E941sa Service Manual

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Page 1

Service Manual                                                                             AOCe941Series 
1 
 
 
 
LCD显示器维修手册 
 
Custom:             AOC 
 Model:       e941Series 
 
 
 
 
 
The manual adaptation models:  
AOC e941VA /e941SA /e941S
 

Page 2

Service Manual                                                                             AOCe941Series 
2 
 
REVISION LIST 
Version Release Date Revision History 
Model TPV Model No 
A00 May-30-2010 Initial Release e941VA T995NTNBWVK2PNJ e941SA T995NSNCWVA1UNJ 
e941S T992NSN8WVA1NNJ 
A01 Aug.-26-2010 Add new Models  e941S T9A2NS2DWVA4QNE T9A5NS2DWVA4QNE...

Page 3

Service Manual                                                                             AOCe941Series 
3 
CONTENTS 
 
1. LCD Specifications ----------------------------------------------------------------------------------------------------------------- 4 
  1.1 Product Features ---------------------------------------------------------------------------------------------------------------- 4 
  1.2 Factory Preset Timing...

Page 4

Service Manual                                                                             AOCe941Series 
4 
1. LCD Specifications 
1.1 Product Features 
Monitor  Model    AOC    e941VA    / e941SA * / e941S * 
LCD Panel Driving system  TFT Color LCD Active Display Area  408.24mm (W)×255.15mm(H)   
Pixel Pitch  0.2835 mm×0.2835mm 
Input Video R,G,B Analog Interface,75ohm,0.7V 
DVI digital Interface 
Separate Sync.  H/V TTL 
H-Frequency 30kHz—81kHz 
V-Frequency 56Hz--75Hz 
Input Connector D-Sub 15pin 
DVI...

Page 5

Service Manual                                                                             AOCe941Series 
5 
1.2 Factory preset modes 
 
STANDARD RESOLUTION HORIZONTAL 
FREQUENCY VERTICAL 
FREQUENCY 
VGA 640×480 31.469kHz 59.94Hz 640×350 37.861kHz 72.80Hz 
640 × 480  37.50kHz  75.00Hz 
DOS-mode 640 × 480  31.469kHz  70.087Hz 
720 × 400  31.469kHz  70.087Hz 
Mac-mode 832 ×624  49.725kHz  74.50Hz 
SVGA 800 × 600  35.16kHz  56.25Hz 
800 × 600  37.879kHz  60.317Hz 
800 × 600  48.07kHz  72.188Hz 
800 × 600...

Page 6

Service Manual                                                                             AOCe941Series 
6 
2. Operation instruction 
Generalization 
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. 
z The power cord should be connected.
 
z Connect the video cable from the video card of PC to the monitor.
  
z Press the power button to turn on...

Page 7

Service Manual                                                                             AOCe941Series 
7 
2.2  OSD User mode adjustment 
 
a)  OSD Menu adjustment steps: 
1.Press MENU button to display OSD main menu of as below, Press Left button or Right button may select other 
main Menu. 
2. Press MENU button to adjust items of each main menu. 
3. Press Left button or Right button may select item you wish to enter. 
4. Press MENU button to enter, and press Left button or Right button to adjust item...

Page 8

Service Manual                                                                             AOCe941Series 
8 
3.Interface description 
3.1 VGA 15pin Connector 
Pin No.  Description  Pin No.  Description 
1. Red Input  9.  +5VDC 
2.  Green Input  10.  Logic GND 
3. Blue Input 11.  N/A 
4. N/A 12. SDA- DDC-Serial Data 
5. Connection detect 13.  H Sync 
6.  Red GND  14.  V Sync 
7.  Green GND  15.  SCL- DDC-Serial Clock 
8. Blue GND     
VGA Connector layout 
15
6
10
11 15
 
3.2 DVI Connector 
Pin No....

Page 9

Service Manual                                                                             AOCe941Series 
9 
3.3 USB+ Audio in port 
Bottom View 
 
Top View 
 
*This section to e941VA do show that other models will be a slight trade-off.  
 
 

Page 10

Service Manual                                                                             AOCe941Series 
10 
4. Panel Feature 
 
  The Panel-TPM190A1-MWW3 is a 19 inch wide TFT-LCD module with LED Backlght unit and a 30-pin 2ch –LVDS 
interface . This module supports 1400×900 WXGA    mode and displays up to 16.7 millions colors.The converter module 
for the Backlight Unit is not built in.   
4.1 General Specifications 
 
4.2 Electrical Absolute Ratings 
Item Symbol Min Typ Max  Unit 
Power Supply...
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