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Acer AC711 Support Question

Acer AC711 Support Question

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Question posted by christopherlesliebarrett on January 23rd, 2013

How Do I Fix Blue Box

I keep getting a blue box in the centre of my screen.  It comes and goes.  How do I fix it.

Current Answers

Answer #1: Posted by MercedesAMG on January 26th, 2013 9:46 AM
This answer was accepted by the poster of the original question.
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Related Acer AC711 Manual Pages

AC 711 User Guide - Page 1

...regarding service and repairs to moisture; e- The use factory-approved accessories. 5. Please contact your monitor. 7. Please read these instructions thoroughly. 2. Tipping it from the main power supply to clean... or parts in such a way nobody can trip over or dropping can harm the monitor and cause injuries. d- To avoid damaging the device, only use of the manufacturer ...
AC 711 User Guide - Page 2

...the equipment and receiver; Now slowly slide the swivel base toward the front of the monitor till you hear the spring lock click into the slots of the FCC Rules. A... apparatus meets all requirements of the following measures: n Reorientate or relocate the receiving antenna; Place the monitor with its tube down on a stable surface. 2. Insert the tabs into place. n Connect the ...
AC 711 User Guide - Page 3

... close to the 15-pin mini D-sub (VGA) on your individual taste. Features Ø 17-inch monitor with a large, viewable screen for comfortable viewing. Ø OSD user controls for easy and accurate adjustment of the screen image. Ø Energy Star compliant for maximum viewing comfort. Adjust the tilt of the swivel base for...
AC 711 User Guide - Page 4

...• Make sure the select functions or adjustments • Exit menus and On-Screen Display 4. Press the key to save the new setting. 6. Press the key to... 1. To select a function, press the and keys until the desired function is highlighted. 3. Power Switch Turns the monitor on 2. Press the key to increase or decrease the parameter level of the setting. 5. Select the icon if you...
AC 711 User Guide - Page 5

... Description Brightness Adjusts display brightness Contrast Adjusts display contrast H. Composite H+V,TTL(+/-) Scanning Frequency Signal Cable Horizontal (KHz) Vertical (Hz) Max. Size H. Position Increases and decreases screen width Shifts display image right or left or right Trapezoid Adjusts the top and bottom display widths Rotation Adjusts the rotation of the display clock...
AC 711 User Guide - Page 7

... properly. @ Make sure that the extension cord or the surge protector is turned on if the monitor is connected properly to the following solutions for more details on display interference.) 7 Problem: No display appears on screen. @ Make sure that the computer switch is in the "On" position. @ Make sure that the video...
AC711 Monitor Service Guide - Page 2

...FULL WHITE PATTERN, it can be as follows; Max. ALIGNMENT PROCEDURE • Warm up the monitor for at least 30 minutes before adjustment. • Set the front of an image displayed on ... the east. • Turn all presetting mode shall be Calculated Same Row D. vertical size : full the screen B. HEIGHT 232 ± 3 mm The external control range of linearity shall be less than 5%(p) or ...
AC711 Monitor Service Guide - Page 4

... x=283 , y=297 ( x=299, y=315 for 6500 ) ± 3. Select OSD function to get y=297 ( y=315 for 7500 ; F.1.10 Adjust brightness control to color temperature adjustment. signal inputs, ... 2.5.8 to it's maximum position. y=329 for 6500 ) ± 5 Adjust bias R to get color temperature within 310x232p±2mm. WHITE BALANCE ALIGNMENT F.1.1 Select timing #6 (VESA 68K 1024X768)...
AC711 Monitor Service Guide - Page 5

x=313, y=329, for 7500; F.1.13 Fine tune the gain G and R for x=283 , y=297 ( x=299, y=315 for 6500 ) ± 2 F.1.14 Check 150 >Y> 130 cd/mm, if not , adjust G to get Y>130 cd/mm, then repeat item 2.5.12 F.1.15 Change pattern to fall white, adjust SB to get 92< Y
AC711 Monitor Service Guide - Page 11

...frequency range is from 30khz to 70khz, and the refresh rate is a 17" multisync color monitor. DIGITAL CONTROLLOR: With the EEPROM and PROGRAM, the micro-processor (u-P) control all the circuit ...AC source to DC source that makes screen raster. P Fig 2 is the function block diagram. INTRODUCTION: C708 is from 50hz to produce video on the screen. C. 3. It includes: (1) +...
AC711 Monitor Service Guide - Page 15

...of the output windings is such that is sensed by voltage feedback. POWER SAVING CKT: The monitor has ON and OFF states. PS2 should enter PWM Pulse to provide DC operating voltage for the...: Fosc=1.8/ (R919*C916). 4. C. The clamp consisting of U901 pin 1. B. The monitor enters OFF mode if H-sync and/or V-sync are needed to charge the outputs to turn off +13.5Vs outputs.
AC711 Monitor Service Guide - Page 16

The sensing voltage through the current sensing resistor R907. DEGAUSS CKT: The DEGUSS signal which comes from micro-p to U901 pin3, If the current up, the U901 pin 3 voltage will be limited, Made the output voltage down under 10 voltage in ...

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