Acer AL1906 Support Question
Acer AL1906 Support Question
Find answers below for this question about Acer AL1906.Need a Acer AL1906 manual? We have 1 online manual for this item!
Question posted by obidonrw on October 14th, 2011
Al 1906 Has No Power Cause?
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Related Acer AL1906 Manual Pages
AL1906 Service Guide - Page 3
...
The information in this guide is subject to change without prior written permission of merchantability or fitness for any damage that appear on screen.
ACER AL1906 Service Manual.
Acer Incorporated makes no representations or warranties, either expressed or implied, with respect to the accomplishment of all necessary servicing, repair, and any...
AL1906 Service Guide - Page 4
..., your regional office may cause harmful interference to provide reasonable protection against harmful interference in a residential installation. These limits are present inside the monitor. If this generic service... to operate the equipment.
2. Shielded interface cables and AC power cord, if any radio or TV interference caused by turning the equipment off and on, the user is ...
AL1906 Service Guide - Page 5
... have an electrician install the correct outlet, or use an adapter to power surges. Turn off the Power Switch for ventilation. Slots and openings in a wet basement.ff Do not place the monitor on again to service the monitor yourself; It could short circuit parts causing a fire or electric shock. Precautions
Do not use the...
AL1906 Service Guide - Page 6
Table Of Contents
Chapter 1 Monitor Features
6
Induction Electrical Requirements LCD Monitor General Specification LCD Panel Specification Support Timing Block Diagram Main Board Diagram Software ...Replacement Unit) List
38
Exploded Diagram
39
Chapter 7 Schematic Diagram
41
Analog TSUM16AK LVDS Main board power supply Power Board
41
42
43
44
45
5
AL1906 Service Guide - Page 7
... for the 19" MICROPROCESSOR based Multi-mode supported high resolution color LCD monitor. It also supports VESA DPMS power management and plug & play function. There is a build-in addition MTBF... LCD monitor is also a space saving design, allowing more .
It is designed with the latest LCD technology to provide a performance oriented product with OSD control to drive a pair of AL1906
Panel
...
AL1906 Service Guide - Page 8
... User contrast control User red/white balance, Green/white balance and Blue/white balance control
Power input Ambient temperature Analog input mode
Measurement systems
225 lux 40 cm in front of measure...7120 signal generator or equivalent, directly Connected to the monitor under the following conditions, unless otherwise specified. Electrical Requirements
Standard Test Conditions All tests shall ...
AL1906 Service Guide - Page 12
...
Audio board
Keyboard
RS232 Connector For white balance adjustment in factory mode
HOST Computer Video signal, DDC
11
The Inverter board 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. CCFL Drive...
AL1906 Service Guide - Page 15
Is the power key pressed?
14 Remark:
1) MCU initializes. 2) Is the EEPROM blank? 3) Program the EEPROM by default values. 4)...mode? 11) Update the lifetime 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 standby mode after the
message disappears. 17) Program the ...
AL1906 Service Guide - Page 17
Front Bezel
Press the power button to turn the monitor on the monitor position, The power indicator will light up.
Description Auto Adjust / Exit < >
Item 4. 5. 6. Description MENU/ENTER Power Indicator Power Button
16 EXTERNAL CONTROLS FRONT PANEL CONTROL
Item 1. 2. 3. The other control buttons are located at front panel of the monitor. By changing these settings, the picture can...
AL1906 Service Guide - Page 18
... to the back of the monitor and connector the other end of your computer before performing the procedure below. 1. Connector one end of 15-pin D-SUB cable to the computer's
D-DUB port.
Rear Bezel
Turn off your monitor into the PC port. 2. Turn on your monitor and computer.
Description Power Cable Signal Cable
17
AL1906 Service Guide - Page 19
.... 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 or off. The other control buttons are located at front panel of the...
AL1906 Service Guide - Page 20
...is ON or adjust a function when function is used to ship your
monitor. • For maximum protection, repackage your monitor as thinner, benzene, or abrasive cleaners, since these will act as EXIT... is in off status, press this button to turn the monitor ON or OFF. Power on mode. Orange - And display the monitor's state.
• Power Indicator: Green - Stubborn stains may be removed with a ...
AL1906 Service Guide - Page 24
...closed, press Left or Volume Right button will show Please Wait This message, and the monitor do the auto config function. The Description For OSD Message
Item
Description
Auto Config When ...Key "Auto", will be Volume Hot-Key
Function
Volume of The monitor support range will show this message, then enter power saving.
23
The Audio will show this message. Analog-Only Model...
AL1906 Service Guide - Page 25
... counties.
24 How To Optimize The DOS-Mode Plug And Play Plug & Play DDC2B Feature This monitor is equipped with a grounding type attachment plug, rated 10A, 250V, CEE-22 male configuration. Logo
When the monitor is power on, the LOGO will automatically switch to operate properly, there must be a video input signal. When...
AL1906 Service Guide - Page 30
3. Remove connector wire with main board and power board. (Fig 8) 4. Remove connector wire with main board and KEPC board. (Fig 9)
Fig 8
Fig 9 29
AL1906 Service Guide - Page 31
Remove connector wire with power board and panel. (Fig 11)
Fig 10
Fig 11 30 Remove four screws to remove power board. (Fig 10) 2. Disassemble the power board 1.
AL1906 Service Guide - Page 33
...
OK
Replace U701, U702 OK
Replace U401
NG Replace X401
32 Troubleshooting
This chapter provides troubleshooting information for the AL1906:
1. Measure CN701 PIN9/10=5V?
No power
No power
Chapter 4
Press power key and look if the picture is normal
NG
Please reinsert and make sure the AC of 100-240 is normal
NG...
AL1906 Service Guide - Page 39
... part number code from those given in the FRU list of this chapter whenever ordering for parts to repair or for repair and service of AL1906.Refer to this printed Service Guide. NOTE: To scrap or to return the defective parts, you should check the most up-to-date information available...
AL1906 Service Guide - Page 45
...Vf is about 200mA), So D35 changed from 1N4148(or BAT42) to suppoert DDC PC5V f3unction when system power off
3,4 +5V
R732 +5V 10 1/16W
R709 0 1/16W
2 3
1
Adj_BACKLIGHT
+3V3 R716...12V
R730 0 1/16W
R731 NC
Title
Size B
Date:
TSUM16AK
Document Number
POWER
Monday, May 09, 2005
Sheet
VCC3.3
1
of
VCC3.3 4
Rev
A
5
44 Power
+5V
C701 NC
U701SOT-223
NC/LT1117-18
3 VI
VO 2
VO...
AL1906 Service Guide - Page 46
Power board (adapter + inverter)
R921 47 1/2W
C921 0.001uF/500V
+4
DB901 KBP206G
2
3
3
D921 FME-210B
T901
2
L903 L
-
2
1
3
4
1
L902 L C902 0.001uF/250V
...
F902 0 1/8W
ON/OFF DIM
+12V +5V C927 0.1uF
+12V +5V
GND
1 2 3
CN901 CONN
C935 NC
Title
1.POWER OUTPUT 12V & 5 V
Size Document Number
Rev
B
PWPC1942AUA11P(715G1492-1)
A
Date: Sunday, May 22, 2005
Sheet
1
of
2
45
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