Acer AL1751 Support Question
Acer AL1751 Support Question
Find answers below for this question about Acer AL1751.Need a Acer AL1751 manual? We have 1 online manual for this item!
Question posted by therhyllthing on September 30th, 2011
Screen Says Acer On Start Up,then Goes Black,
My acer is being used to watch videos only, connected to a home theatre, It says acer on screen then goes black,can't watch anything
Current Answers
Related Acer AL1751 Manual Pages
AL1751 Service Guide - Page 3
...of merchantability or fitness for any electronic machine readable form without notice. ACER AL1751 Service Manual Printed in this manual is sold or licensed "as is a registered trademark of... entire cost of LiteOn Technology Corp. Other brand and product names are trademarks of Intel Corporation.
Acer is ". Copyright
Copyright 2005 LiteOn Technology Corp. This manual may not, in whole or in ...
AL1751 Service Guide - Page 4
...and service of LiteOn Technology Corp. For ACER-AUTHORIZED SERVICE PROVIDERS, your Acer office may have decided to order FRU parts for Acer's "global" product offering. You MUST use the list provided by your regional office MAY... this printed Service Guide. All other trademarks are used in this manual:
Screen messages NOTE WARNING CAUTION IMPORTANT
Denotes actual messages that appear on...
AL1751 Service Guide - Page 5
...user to correct the interference by the party responsible for help. Connect the equipment into an outlet on , the user is
connected. 4. As an ENERGY STAR® Partner our company has ... can be used in a residential installation. Do not open the cabinet.
Refer servicing to rain or moisture. Warning:
To prevent fire or shock hazard, do not expose the monitor to qualified personnel...
AL1751 Service Guide - Page 6
... not attempt to your home, consult your outlet does not accommodate the three-wire plug, have an electrician install the correct outlet, or use an adapter to dangerous voltages and other hazards. For use only with a third (grounding) pin. near or over a radiator or heat register. Do not place the monitor in a wet basement...
AL1751 Service Guide - Page 7
... on the desktop pattern you use . It may flicker during initial use . Notes
Due to the nature of the fluorescent light, the screen may include blemishes of 0.01% or less such as a missing pixel or a pixel lit all of 99.99% or more. Special Notes On LCD Monitors
The following symptoms are normal with...
AL1751 Service Guide - Page 8
Table Of Contents
Chapter 1 Monitor Features Introduction Electrical Requirements LCD Monitor General Specification LCD Panel Specification Block Diagram Main Board Diagram Software Flow chart Main Board Layout Front Bezel Rear Bezel Adjusting the picture LOGO
Chapter 2 ...
AL1751 Service Guide - Page 9
... the traditional CRT monitor, it consumes less power and gets less weight in stereo audio amplifier with OSD control to drive a pair of AL1751
Panel
Signal Interface
Sync...color No
Not support Yes / No
9 Description
The LCD monitor is also a space saving design, allowing more . This monitor can be directly connected to provide a performance oriented product with the latest LCD technology ...
AL1751 Service Guide - Page 10
...mode
:
Set to Factory preset value (cut off raster) T Set to the monitor under the following conditions, unless otherwise specified.
Ambient light
:
Dark room
Viewing distance...
Fully functional
:
5 seconds
Measuring equipment
:
Chroma 7120 signal generator or equivalent, directly
Connected to factory preset value, which allows that the brightest two of measure stated in this ...
AL1751 Service Guide - Page 12
...)
Lamp Current
7.0 mArms (Max)
Weight
1950g (Max)
Optical Specifications
IL = 6.5mArms Ta = 25 2¢C VDD = 5V FV = 60Hz FDCLK = 54MHz
ITEM
Contrast Ratio (Center of screen)
Response Rising
Time
Falling
Luminance of white (Center of screen)
Red
Color Chromaticity (CIE 1931)
Green Blue
White
Viewing Angle
Hori. Ver.
AL1751 Service Guide - Page 14
...
Adapter AC-IN 100V-240V
Main Board (Include: Audio board, keyboard)
RS232 Connector For white balance adjustment in factory mode
HOST Computer Video signal, DDC
14
Monitor Block Diagram
The LCD MONITOR will contain a main board (include: keypad board and audio board), an inverter board, adapter which house the flat panel control logic...
AL1751 Service Guide - Page 26
... a "Screen Saver" feature except the display is restored by the Video Electronics Standards Association (VESA) and/or the United States Environmental Protection Agency (EPA) and The Swedish Confederation Employees (NUTEK). The voltage rating for connection to inform the host system of its identity and, depending on the I²C protocol. This reduces the monitor's internal...
AL1751 Service Guide - Page 27
Remove the hinge cap. (Fig 4)
27 Remove four screws to release back cover. (Fig 1). 2. Disassembly Procedure
1. Remove two screws to release front bezel. (Fig 3) 4. Remove the base stand (Fig 2)
Fig 1
Fig2 3. Chapter 2
Machine Disassembly
This chapter contains step-by-step procedures on how to assemble the monitor for maintenance.
AL1751 Service Guide - Page 32
Chapter 3
Troubleshooting
This chapter provides troubleshooting information for the AL1751: 1. No power
No power
Press power key and look if the picture is normal
NG Replace X402 OK Replace U402
NG
Replace U401
32 NG OK
Replace U702
NG
X402 oscillate waveform is normal
NG
Measure 12V input voltage
OK
NG
Check the adapter section
Measure U702 PIN2=5V?
AL1751 Service Guide - Page 39
...use the local FRU list provided by your regional web or channel (http://aicsl.acer.com.tw/spl/). For ACER AUTHORIZED SERVICE PROVIDERS, your regional Acer office to return it.
39 NOTE: To scrap or to return the defective parts, you should check the most
up-to-date information available on your regional Acer... or follow the rules set by your Acer office may have a DIFFERENT part number ...
AL1751 Service Guide - Page 44
... VAA2 VAA3 VAA4
VCC1.8 VCC3.3
VAA1 VAA2 VAA3 VAA4
PA[0..9] PB[0..9]
PA[0..9] PB[0..9]
B5 PA[0..9]
PB[0..9] VLCD
VLCD
5.PANEL INTERFACE
Title
Size B
Date:
TSU56AK FOR ACER
Document Number
TOP
Wednesday, January 19, 2005
Sheet
2
Rev
D
of 8
44
Schematic Diagram
Chapter 6
TSU56AK
B1
TXD RXD DDC_CLK DDC_DAT DDC_WP ST_DET1 ST_DET2
RIN GNDR...
AL1751 Service Guide - Page 45
... Screw Hole
1
1
1
1
MH5
MH6
MH7
MH8
MH9
MH10
Screw Hole Screw Hole Screw Hole Screw Hole Screw Hole Screw Hole
1
1
1
1
1
1
Title
Size B
Date:
TSU56AK FOR ACER
Document Number
POWER
Wednesday, January 19, 2005
Sheet
3
Rev
D
of 8
45
AL1751 Service Guide - Page 47
... VDVI
600 OHM C421 +
10uF/16V C422C423 0.1uF0.1uF
3
VAA4
VAA4 FB407 VDPLL
600 OHM C429 +
10uF/16V C430 0.1uF
Title
Size B
Date:
TSU56AK FOR ACER
Document Number
SCALER
Wednesday, January 19, 2005
Sheet
5
Rev
D
of 8 VAD VPLLVDVI VDPLL VPO
VDD
3
VCC3.3
VCC3.3 FB402 VPO
600 OHM
3
C402 + 10uF/16V
C403C404C405C406C407C408C409C410...
AL1751 Service Guide - Page 48
...+ RXEC+ RXE3+
LVB0P LVB1P
LVB2P LVBCKP LVB3P LVA0P LVA1P LVA2P LVACKP LVA3P
CONN VLCD
VLCD
3
C448 +
47uF/16V
C446 0.1uF
C447 0.1uF
Title
TSU56AK FOR ACER
Size Document Number
Rev
A
PANEL INTERFACE
D
Date:
Wednesday, January 19, 2005
Sheet
6
of 8
48
AL1751 Service Guide - Page 49
... KEY_LEFT KEY_ONOFF
D408 BAV99
C439
VCPU
SW401 LCD ONOFF
SW402 KEY LEFT
0.001uF
SW403
SW404
KEY AUTO KEY RIGHT
SW405 KEY MENU
Title
TSU56AK FOR ACER
Size Document Number
B
MPU
Date:
Wednesday, January 19, 2005
Sheet
7
Rev
D
of 8
AL1751 Service Guide - Page 50
...
220K` 1/16W
C613 0.1uF
Volume 5
OUT_L OUT_R
CN603 1 5 4 3 2 7 8
EAR PHONEJACK
R608 R609
75` 1/16W 75` 1/16W
OUT_R OUT_L
CN601 1 2 3 4 SPEAKER CONN
50
Title
TSU56AK FOR ACER
Size A4
Document Number
Rev
Date:
Wednesday, January 19, 2005
Sheet
8
of 8
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