Service Guide Version and Revision Version Release Date Revision TPV Model Name Apr.-20-06 Initial release T986KA5HKGAEAP...
Any Acer Incorporated software described in this manual is sold or licensed "as is". Should the programs prove defective following their purchase, the buyer (and not Acer Incorporated, its distributor, or its dealer) assumes the entire cost of all necessary servicing, repair, and any incidental or consequential damages resulting from any defect in the software.
DIFFERENT part number code to those given in the FRU list of this printed Service Guide. You MUST use the list provided by your regional Acer office to order FRU parts for repair and service of customer machines. Warning: (For FCC Certified Models) Note: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules.
Precautions Do not use the monitor near water, e.g. near a bathtub, washbowl, kitchen sink, laundry tub, swimming pool or in a wet basement. Do not place the monitor on an unstable trolley, stand, or table. If the monitor falls, it can injure a person and cause serious damage to the appliance.
Chapter 1 Monitor Features Introduction Scope This specification defines the requirements for the 19” MICROPROCESSOR based Multi-mode supported high resolution color LCD monitor. This monitor can be directly connected to general 15 pin D-sub VGA connector. It also supports VESA DPMS power management and plug & play function. There is a build-in stereo audio amplifier with OSD control to drive a pair of speakers.
Electrical Requirements Standard Test Conditions All tests shall be performed under the following conditions, unless otherwise specified. - Warm up time ＞ 30 min. - AC supply voltage 230V± 5％, 50± 3 Hz 20°C ± 5°C - Ambient temperature 65% ± 20% - Humidity - Display mode 1280x1024, 60 Hz, all white...
LCD Panel Specification LCD Panel Model Items Unit Specifications Screen Diagonal [mm] 480 (19.0”) Active Area [mm] 376.32 (H) x 301.06 (V) Pixels H x V 1280(x3) x 1024 Pixel Pitch [mm] 0.294 (per one triad) x 0.294 Pixel Arrangement R.G.B.
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.
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. Flat Panel and CCFL Drive.
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.
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. •...
Installation Instructions Swivel Base Adjusting The Viewing Angle · For optimal viewing it is recommended to look at the full face of the monitor, then adjust the monitor’s angle to your own preference. · Hold the stand so you do not topple the monitor when you change the monitor’s angle. ·...
Chapter 2 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. •...
cloth lightly dampened with a mild detergent solution. Never use strong solvents such as thinner, benzene, or abrasive cleaners, since these will damage the cabinet. As a safety precaution, always unplug the monitor before cleaning it. Adjusting the Picture a. How to Adjust the Setting 1.
b. The Description For Control Function Main Menu Sub Menu Sub Menu Item Description Icon Icon Contrast Contrast from Digital-register. Brightness Backlight Adjustment Focus Adjust Picture Phase to reduce Horizontal-Line noise Clock Adjust picture Clock to reduce Vertical-Line noise. H. Position Adjust the horizontal position of the picture.
Main Menu Menu Sub Menu Description Icon Item Icon Auto Config Auto Adjust the H/V Position, Focus and Clock of picture. (Analog-Only Model) Show the resolution, H/V frequency and input port of current Information input timing. Clear each old status of Auto-configuration and set the color Reset temperature to Cool.
Hot-Key Menu a. Outline OSD Message b. The Description For OSD Message Item Description Auto Config When Analog signal input, if User Press Hot-Key “Auto”, will show Please Wait This message, and the monitor do the auto config function. When the Hsync Frequency, Vsync Frequency or Resolution is out of Input Not The monitor support range will show this message.
Logo When the monitor is power on, the LOGO will be showed in the center, and disappear slowly. How To Optimize The DOS-Mode Plug And Play Plug & Play DDC2B Feature This monitor is equipped with VESA DDC2B capabilities according to the VESA DDC STANDARD. It allows the monitor to inform the host system of its identity and, depending on the level of DDC used, communicate additional information about its display capabilities.
Chapter 3 Machine Disassembly This chapter contains step-by-step procedures on how to assemble the monitor for maintenance. The tools for disassemble: Screws-Driver Resinous slice (Use to separate the front cover and the rear bezel ) Special tool (Be used to remove the VGA/DVI SCREWS) Disassembly Procedure Disassemble the base...
Disassemble the rear bezel Remove four screws mark in red to remove back cover. (Fig 5-7) Fig (5) Fig (6)
Fig (7) Disassemble the shield 1. Remove four screws mark in red to remove the shield. (Fig 8-9) (Remove the shield as arrow direction). Fig (8)
Fig (9) Disassemble the main board (Fig 10-12) 1. Remove three screws mark in red to remove main board. 2. Remove two screws mark in red to remove audio board. 3. Remove five screws mark in red and remove AC-BKT with green to remove Power board. 4.
Fig(11) 5. Remove one screws mark in red to remove Key board. Fig(11-12) Fig(11) Fig(12)
Disassemble the front cover (Fig 13) 1. Pay attention to some hooks, then open it with little force till the front cover and Panel frame separated. 2. The position marked with ellipse exists some hooks. Fig (13) left right Fig (14)
Chapter 4 Troubleshooting This chapter provides troubleshooting information for the AL1917: 1. No picture (LED orange) No picture The button if under Check reset circuit of control U406 is normal Check Correspondent Replace U402 Measure Q702 D701 -1.8V component U702 PIN2=3.3V...
White screen White screen Measure Q704 base X401 oscillate waveform is normal is high level?5V Replace X401 Check Q706,is broken or Check reset circuit of CN405 solder? U406 is normal Check Correspondent Check Correspondent component. component. Replace U406 Replace PANEL...
Keypad Board OSD is unstable or not working Connect Keypad Board Is Keypad board connecting normally? Is Button Switch normally? Replace Button Switch Is Keypad board normally? Replace Keypad Board Check main board...
2. PWPC No Power No power Check AC line volt 110V or 220V Check AC line Check the voltage of C907(+) Check F901, bridge rectified circuit Check start voltage for the pin8 of IC901 Check R905, IC901 Output short Check the auxiliary voltage is between 10V-27.5V Check IC901,T901 Q900,RJ901,R912 Check D920, D921, IC902...
No Backlight Check VDDA,ENA VDD A = 4.75 ~ 5.25 V,ENA<3V Check On/Off loop Circuit Connect Timer (Pin 3) to GND Check ENA(pin10),OVPT(pin7),CT(pin13), DRV1(pin1),DRV2(pin15) of IC801 Check half bridge power conversion Change IC801 circuit and transformer output circuit. Check ISEN (pin 5) normally Check ISEN loop components End Striking function debug Check VSEN (pin 6) of IC801...
Chapter 5 Connector Information The following figure shows the connector locations on the main board: Pin No. Description Pin No. Description Red Video Green Video Logic Ground Blue Video Monitor Ground Monitor Ground DDC-Serial Data DDC-Return H-Sync R-Ground V-Sync G-Ground DDC-Serial Clock B-Ground...
FRU parts for repair and service of customer machines. NOTE: To scrap or to return the defective parts, you should follow the local government ordinance or regulations on how to dispose it properly, or follow the rules set by your regional Acer office on how to return it.
Part List Above picture show the description of the following component. Item Picture Part No. Q34G0002 RX 1B 033G4868 RX L Q34G0001 QWA1B Q15G8313AER 1 Q85G0001 1 S...