Service Manuals, User Guides, Schematic Diagrams or docs for : acer Monitor LCD Монитор LCD Acer AL1713 al1713
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Acer AL1713
Service Guide
Service guide files and updates are available
on the CSD web, for more information,
Please refer to http://csd.acer.com.tw
Conventions
The following conventions are used in this manual
Screen Messages Denotes actual messages that appear
on screen
NOTE Give bits and pieces of additional
information related to the current topic.
WARNING Alerts you to any damage that might
result from doing or not doing specific
actions.
CAUTION Gives precautionary measures to avoid
possible hardware or software
problems.
IMPORTANT Reminds you to do specific actions
relevant to the accomplishments of
procedures.
2
Preface
Before using this information and the product it supports, please read the following general information.
1. This Service Guide provides you with all technical information relating to the BASIC CONFIGURATION decided for
Acer's "global" product offering. To better fit local market requirements and enhance product competitiveness, your
regional office MAY have decided to extend the functionality of a machine (e.g. add-on card, modem, or extra memory
capability). These LOCALIZED FEATURES will NOT be covered in this generic service guide. In such cased, please
contact your regional offices or the responsible personnel/channel to provide you with further technical details.
2. Please not WHEN ORDER FRU PARTS, that you should check the most up-to-date information available on your
regional web or channel. If, for whatever reason, a part number change is made, it will not be noted in the printed Service
Guide. For ACER-AUTHORIZED SERVICE PROVIEDERS, your Acer office may have a 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.
3
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. These limits are designed to provide reasonable protection against harmful interference in a residential
installation. This equipment generates uses and can radiate radio frequency energy, and if not installed and used in accordance
with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that
interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television
reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the
interference by one or more of the following measures:
1. Reorient or relocate the receiving antenna.
2. Increase the separation between the equipment and receiver.
3. Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
4. Consult the dealer or an experienced radio/TV technician for help.
Notice:
1. The changes or modifications not expressly approved by the party responsible for compliance could void the user's
authority to operate the equipment.
2. Shielded interface cables and AC power cord, if any, must be used in order to comply with the emission limits.
3. The manufacturer is not responsible for any radio or TV interference caused by unauthorized modification to this
equipment. It is the responsibility of the user to correct such interference.
As an ENERGY STAR Partner our company has determined that this product meets the ENERGY STAR guidelines for energy
efficiency.
WARNING:
To prevent fire or shock hazard, do not expose the monitor to rain or moisture. Dangerously high voltages are present inside
the monitor. Do not open the cabinet. Refer servicing to qualified personnel only.
4
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. User only a trolley or stand recommended by the manufacturer or sold with the monitor.
If you mount the monitor on a wall or shelf, use a mounting kit approved by the manufacturer and following the kit
instructions.
Slots and openings in the back and bottom of the cabinet are provide for ventilation. To ensure reliable operation of the
monitor and to protect it from overheating, be sure these openings are not blocked or covered. Do not place the monitor
on a bed, sofa, rug, or similar surface. Do not place the monitor near or over a radiator or heat register. Do not place the
monitor in a bookcase or cabinet unless proper ventilation is provided.
The monitor should be operated only from the type of power source indicated on the label. If you are not sure of the type
of power supplied to your home, consult your dealer or local power company.
The monitor is equipped with a three-pronged grounded plug, a plug with a third (grounding) pin. This plug will fit only
into a grounded power outlet as a safety feature. If your outlet does not accommodate the three-wire plug, have an
electrician install the correct outlet, or use an adapter to ground the appliance safely. Do not defeat the safety purpose of
the grounded plug.
Unplug the unit during a lightning storm or when it will not be used for long periods of time. This will protect the
monitor from damage due to power surges.
Do not overload power strips and extension cords. Overloading can result in fire or electric shock.
Never push any object into the slot on the monitor cabinet. It could short circuit parts causing a fire or electric shock.
Never spill liquids on the monitor.
Do not attempt to service the monitor yourself; opening or removing covers can expose you to dangerous voltages and
other hazards. Please refer all servicing to qualified service personnel.
To ensure satisfactory operation, use the monitor only with UL listed computers which have appropriate configured
receptacles marked between 100-240V AC, Min. 3.5A.
The wall socket shall be installed near the equipment and shall be easily accessible.
SPECIAL NOTES ON LCD MONITORS
The following symptoms are normal with LCD monitor and do not indicated a problem.
NOTES
Due to the nature of the fluorescent light, the screen may flicker during initial use. Turn off the Power Switch and then
turn it on again to make sure the flicker disappears.
You may find slightly uneven brightness on the screen depending on the desktop pattern you use.
The LCD screen has effective pixels of 99.99% or more. It may include blemishes of 0.01% or less such as a missing
pixel or a pixel lit all of the time.
Due to the nature of the LCD screen, an afterimage of the previous screen may remain after switching the image, when
the same image is displayed for hours. In this case, the screen is recovered slowly by changing the image or turning off
the Power Switch for hours.
5
Table of Contents
Monitor Features .................................................................................................... 7
FACTORY PRESET TIMING TABLE ..................................................................... 8
Monitor Block Diagram ........................................................................................... 9
MAIN BOARD DIAGRAM ..................................................................................... 10
Software Flow Chart ............................................................................................. 11
MONITOR INTERFACE BOARD PCB LAYOUT.................................................. 12
FRONT BEZEL ..................................................................................................... 14
BACK VIEW.......................................................................................................... 15
OPERATION INSTRUCTIONS............................................................................. 16
ADJUSTING THE MONITOR ............................................................................... 18
MACHINE ASSEMBLY......................................................................................... 22
TROUTROUBLESHOOTING ............................................................................... 26
FRU (Field Replaceable Unit) LIST ...................................................................... 33
SHEMATIC DIAGRAM ......................................................................................... 38
6
Chapter 1
Monitor Features
Driving System TFT Color LCD
LCD Panel Size 43.3cm (17.0")
Pixel pitch 0.264mm (H) x 0.264mm (V)
Viewable angle 140 (H), 130 (V)
Brightness 300cd/m2 (typ.)
Contrast Ratio 450:1 (typ.)
Response Time 25ms (typ.)
Signal Video RGB Analog Interface (Analog only model)
Separate Sync. H/V TTL
H-Frequency 31.5KHz to 85KHz
V-Frequency 56Hz to 75Hz
Display Color 6bits+FRC
Max Pixel Clock 135MHz
Max. Resolution 1280 x 1024 @75Hz
Plug & Play VESA DDC 1/2B
EPA ENGERGY STAR ON MODE < 36W
OFF MODE <5W
Audio Output Rated Power 2.0W rms/channel
Input Connector D-Sub 15pin
Three-Pronged Pin
Input Video Signal Analog: 0.7Vp-p (Standard), 75 OHM,
Positive (Analog-Only Model)
Maximum Screen Size Horizontal 337.920mm
Vertical 270.336mm
Power Source 100~240VAC, 50~60Hz
Environmental Considerations Operating Temp: 5 to 35
Storage Temp: -20 to 60
Operating Humidity: 5% to 95%
Weight (Net) 5.6kg
Dimension (W X H X D) 379 x 389 x 159.5 (mm)
7
External Controls Switch Power Switch
Menu
>
<
Auto/Exit
Function Contrast/Brightness
Phase/Clock
H. Position/ V. Position
Color (Warm, Cool, User)
Language
OSD (H. Position, V. Position, Timeout)
Auto Config
Information
Reset
Exit
Regulatory Compliance UL, CSA, TUS+GS, CG, PSB, B-MARK, PSE, Ergo, FCC, BSMI,
VCCI, C-Tick, TCO99, CCC, WHQL
FACTORY PRESET TIMING TABLE
Standard Resolution Horizontal Frequency (KHz) Vertical Frequency (Hz)
VGA 640 x 480 31.469 60.000
640 x 480 37.861 72.809
640 x 480 37.500 75.000
SVGA 800 x 600 35.156 56.250
800 x 600 37.879 60.317
800 x 600 48.077 72.188
800 x 600 46.875 75.000
XGA 1024 x 768 48.363 60.004
1024 x 768 56.476 70.069
1024 x 768 60.023 75.029
SXGA 1280 x 1024 63.981 60.020
1280 x 1024 79.976 75.025
IBM 640 x 350 31.469 70.087
720 x 400 31.470 70.080
MAC 832 x 624 49.725 74.551
1024 x 768 48.780 60.001
1024 x 768 60.241 74.927
8
Monitor Block Diagram
The LCD Monitor contains an interface board, and inverter/power board, keypad board and flat panel.
In Inverter/power board, power section supplies +12V & +5V for Inverter and Interface board used. The inverter section drives
the backlight of panel and the DC-DC conversion.
Flat Panel and CCFL Backlight
RS232 Connector
Inverter/power board
for debug used
(Including: AC/DC
Power supply and Interface board
inverter)
Keypad board
Host Computer Video signal, DDC
AC-IN
90V~264V
9
MAIN BOARD DIAGRAM
LCD Interface
(CON501)
MCU SM59264
(U402)
Scalar gmZAN3-L
(Include ADC, PLL, OSD,
LVDS transmitter) SDA EEPROM
SCL 24C08 or 24C04
(U401) (U201)
Hsync
RGB
Vsync
D-Sub Connector
OSD Control CON301
(CN201)
(U300)
SCL_VGA
SDA_VGA
EEPROM
24C02
(U300)
10
Software Flow Chart
ACER 17" flow chart item description: (1)
1. MCU initialize.
(2) Y (3)
2. Is the EEProm blank?
3. Program the EEProm by default values. No
4. Get the user value and mode setting from EEProm. (4)
5. Are the factory key pressed?
6. Enter factory mode.
(5) Y (6)
7. Check the analog port, are there any signal coming?
No
8. Display "No Signal" message.
(7) No (8)
9. Enter sleep mode.
10. Wake up the scalar. Y
11. Program the scalar to be able to show the coming mode. (10) (9)
12. Turn on the LED and set it to green color.
13. Process the OSD display
(11)
14. Read the keyboard. Is any key pressed?
(12)
(13)
(14) Y
No
11
MONITOR INTERFACE BOARD PCB LAYOUT
12
Symbol Component
U301 S524A40X21/BR24C02F-WE2/AT24C02/HT24LC02
U401 gm2121 (SMD PQFP208)
U402 Flash Memory 1M
W39F010-70/A290011TL-70/S29C51001T-90J
U403 EEPROM S524A60X81/HT24LC04
U701 Audio AMP IC LM4843MH
U801 Regulator SMD TO-263
AP1086K33A/LM1117S3.3/FAN1086M33X
U802 Regulator SMD TO-252 SP1117D25A/LM1117DT-2.5
X401 Crystal 14.318MHz
CN201 S8B-ZR (connect I/F and keypad)
CN301 D-SUB 15PIN connector
CN401 S4BPH-J
CN601 Pitch 1mm FPC connector FPC1S30T11R01
CN701 Audio Jack ST-413-06
CN702 B5B-PH-K (Audio control)
CN801 B12B-PH-K
13
FRONT BEZEL
ITEM DESCRIPTION
1 Power Tack Switch
2 Menu/Enter
3 > (Up)
4 < (Down)
5 Auto/Exit
14
BACK VIEW
ITEM DESCRIPTION
1 Three-pronged power cord
2 VGA Cable with blue connector compliance with PC99
3 Audio cable
15
OPERATION INSTRUCTIONS
Chapter 2
Press the power button to turn the monitor on or off. The other control buttons are located on the front of the monitor. 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 VGA Card.
Press the power button to turn on the monitor, the power indicator will light up.
Front Panel Control
No Symbol Function
1 Power key/LED Press this button to turn the monitor on or off
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