Acer V193
Service Guide
Service guide files and updates are available on the
CSD web: for more information,
- 1 -
Conventions
The following conventions are used in this manual:
Screen messages
Note
Denotes actual messages that appear on screen
Gives bits and pieces of additional information related to the current topic.
Alerts you to any damage that might result from doing or not doing specific actions.
Gives precautionary measures to avoid possible hardware or software problems.
Reminds you to do specific actions relevant to the accomplishment of procedures.
Warning
Caution
Important
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 BASICCONFIGURATION
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 cases, please contact your regional offices or the responsible
personnel/channel to provide you with further technical details.
2. please not WHEN ORDERING 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 PROVIDERS, 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.
Warning
Use only shielded signal cables to connect I/O devices to this equipment. You are cautioned that changes or
modifications not expressly approved by the party responsible for compliance could void your authority to operate the
equipment.
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 chock 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
z
Do not use the monitor near water, e.g. near a bathtub, washbowl, kitchen sink, laundry tub,
Swimming pool or in a wet basement.
z
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. Use only a trolley or stand recommended by the manufacture or sold
with the monitor. If you mount the monitor on a wall or shelf, use a mounting kit approved by the manufacture and
follow the kit instructions.
z
Slots and openings in the back and bottom of the cabinet area provided 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.
z
z
z
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.
z
z
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.
z
z
z
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.
- 5 -
SPECIAL NOTES ON LCD MONITORS
The following symptoms are normal with LCD monitor and do not indicate a problem.
NOTES
z
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.
z
z
You may find slightly uneven brightness in 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.
z
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.
- 6 -
Table of contents
Chapter 1 Monitor Feature …………………………………………………………………...………..8
INTRODUCTION...............................................................................................................................................................8
ELECTRICAL REQUIREMEENTS....................................................................................................................................9
MONITOR BLOCK DIAGRAM ....................................................................................................................................... 21
BLOCK DIAGRAM ......................................................................................................................................................... 24
MONITOR BOARD LAYOUT ......................................................................................................................................... 25
SOFTWARE FLOW CHART .......................................................................................................................................... 27
GENERAL INSTRUCTIONS .......................................................................................................................................... 28
SYSTEM INSTALLATION .............................................................................................................................................. 29
POWER/INVERTOR BOARD ........................................................................................................................................ 34
ELECTRICAL SPECIFICATION..................................................................................................................................... 35
SAFETY ......................................................................................................................................................................... 37
Chapter 2 Operating Instruction ………………………………………………..……………………..39
CONTROLS ................................................................................................................................................................... 39
MAIN OSD MENU.......................................................................................................................................................... 40
OSD MESSAGE............................................................................................................................................................. 42
PLUG AND PLAY ........................................................................................................................................................... 44
WHITE COLOR TEMPERATURE.................................................................................................................................. 45
AUDIO TECHNICAL SPECIFICATION .......................................................................................................................... 45
Chapter 3 Machine Disassembly and Replacement …………………………………..…………47
DISASSEMBLY PROCEDURE...................................................................................................................................... 47
Chapter 4 Troubleshooting …………………………………………………………………………..50
TROUBLESHOOTING................................................................................................................................................... 54
Chapter 5 Connector Information …………………………………………………………………..55
CONNECTOR INFORMATION...................................................................................................................................... 58
Chapter 6 FRU List …………………………………………………………………………………… 59
PART LIST...................................................................................................................................................................... 55
Chapter 7 Schematic Diagram ….……………………………………………………………………..60
SCHEMATIC DIAGRAM ................................................................................................................................................ 60
- 7 -
Chapter 1
Monitor Feature
INTRODUCTION
Scope
This specification defines the requirements for the 19” MICRO-PROCESSOR based Multi-mode
supported high resolution color LCD monitor. This monitor can be directly connected to general 15
pin D-sub VGA connector and eliminates the requirement of optional special display card. It also
supports VESA DPMS power management and plug & play function. There is a build-in stereo
audio amplifier with volume control to drive a pair of speakers.
Description
The LCD monitor is designed with the latest LCD technology to provide a performance oriented product with no
radiation. This will alleviate the growing health concerns. It is also a space saving design, allowing more desktop space,
and comparing to the traditional CRT monitor, it consumes less power and gets less weight in addition MTBF target is
20k hours or more.
Comparison Chart of AV698/699 & AV898/899
AV698/699
AV898/899
Normal 19” panel
AU-M190EN04(V5)
Normal 19” panel
Samsung-LTM190EX-L01
Panel
Signal Interface
Sync Type for analog
input
DSUB
DSUB
Separate / compatible /
Separate / compatible /
Color Temp user adjust
Support
DDC2B
NO
Support
DDC2B
NO
DDC
Speaker
Headphone Jack
Microphone Jack
USB Hub
Tilt / Swivel
Height Adjust
NO
No
Not support
Yes / No
Option
NO
No
Not support
Yes / No
Option
- 8 -
ELECTRICAL REQUIREMENTS
Standard Test Conditions
All tests shall be performed under the following conditions, unless otherwise specified.
Ambient light :
225 lux
Viewing distance :
Warrn up time
50 cm in front of LCD panel
All specifications :
Fully functional :
30 minutes
5 seconds
Measuring Equipment :
Chroma 2250 signal generator or equivalent, directly
Connected to the monitor under test.
Minolta CA100 photometer, or equivalent
Control settings
User brightness control :
User contrast control:
User red/white balance,
Green/white balance and
Blue/white balance control :
Power input:
Maximum (unless otherwise specified )
Typical (unless otherwise specified )
In the center (unless otherwise specified )
110Vac or 230Vac
Ambient temperature:
Analog input mode:
20 ± 5 ˚C ( 68 ± 9 ˚ F)
1280 x1024 /60 Hz
MEASUREMENT SYSTEMS
The units of measure stated in this document are listed below:
1 gamma = 1 nano tesla
1 tesla = 10,000 gauss
cm = in x 2.54
lb = kg x 2.2
degrees F = [°C x 1.8] + 32
degrees C = [°F - 32]/1.8
u' = 4x/(-2x + 12y + 3)
v' = 9y/(-2x + 12y + 3)
x = (27u'/4)/[(9u'/2) - 12v' + 9]
y = (3v')/[(9u'/2) - 12v' + 9]
2
nits = cd/(m ) = Ft-L x 3.426
lux = foot-candle x 10.76
LCD monitor General specification
Panel Type:
19 “ active matrix color TFT LCD
1). LG
LM190E03-B4
2). LG
LM190E03-B4N9
3). Samsung LTM190EX-L01
4). AU M190EN04 V5
Display size:
376.32mm (H) × 301.056mm(V)
Display mode:
VGA
VGA
SVGA
XGA
720 × 400 (70 Hz)
640 × 480 (60/66/70/72/75 Hz)
800 × 600 (60/70/72/75 Hz)
1024
×
768 (60/70/75 Hz)
SXGA 1280 × 1024 (60/70/75 Hz) standard resolution
Pixel pitch:
0.294mm(H) × 0.294mm(V)
- 9 -
Display Dot:
1280 x (RGB) × 1024
25.2 – 135.0MHz
LG: 500:1 (typical)
LG: 250 (typical)
Pixel Clock:
Contrast ratio: θ = 0˚
Brightness:
Samsung: 700:1 (typical)
Samsung: 300 (typical)
AU: 550:1 (typical)
AU: 270 (typical)
Response time (Tr/Tf):
LG
Ta=25°C, 2/10ms (typical)
Samsung
Ta=25°C, 1.7/6.3ms (typical)
AU
Ta=25°C, 5.6/2.4ms (typical)
16.2M color with FRC
16.7M
Display color:
LG
Samsung
AU
16.2M color with FRC
L / R ≧ 70 / ≧ 70
Viewing angle(CR>10):
LG
U / D ≧ 70 / ≧ 70
L / R ≧ 75 / ≧ 75
U / D ≧ 75 / ≧ 60
L / R ≧ 70 / ≧ 70
Samsung
AU
U / D ≧ 75 / ≧ 60
< 1.3 (max)
Luminance Uniformity:
LG
Samsung
AU
< 25 % (max)
>70% (min)
- 10 -
LCD Panel Specification
LCD Panel Model (LM190E08-TLL1)
General specification
Optical specifications
- 11 -
Note 1) Definition of Viewing Angle: Viewing angle range (10≤CR)
Note 2) Definition of Contrast Ratio (CR): Ratio of gray max(Gmax),gray min(Gmin) at the
center point of panel.
Luminance with all pixels white (Gmax)
CR=
⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯
Luminance with all pixels black (Gmin)
Note 3) Definition of Response time: Sum of TR , TF
Note 4) After stabilizing and leaving the panel alone at a given temperature for 30 min, the
measurement should be executed .Measurement should be executed n a stable,
windless ,and dark room.30 min after lighting the back-light. This should be
measured in the center of screen. Dual lamp current :13.0mA(6.5mA x2)(Refer to
the note(1) in the page 14 for more information ).
- 12 -
Environment condition :Ta=25±2°C
Optical characteristics measurement setup
Notes 5) Definition of Luminance of White : measure the luminance of white at center point.
Notes 6)Definition of 9 points brightness uniformity (Measuring points: Refer to the Note 5)
AU
Bmin
BUNI=
⎯⎯⎯⎯⎯⎯⎯ X 100%
- 13 -
Bmax
Samsumg
Bmax-Bmin
⎯⎯⎯⎯⎯⎯⎯ X 100%
Bmax
BUNI=
Bmax: Maximum brightness
Bmin: Minimum brightness
Notes 7) Definition of Flicker level
Flicker Voltage pp
F
= ⎯⎯⎯⎯⎯⎯⎯⎯⎯ x 100 %
LMD Voltage dc
♦ One maximum value of three estimated values.
♦ For this test ,an LMD(Light Measurement Device)is needed with adequate response time
to track any visible rate flicker component and with a voltage level output proportional
To luminance intensity.
♦
Test Pattern: For dot inversion Driving(Gray levels of foreground dots on the test panel
Are G22,G32,and G45)
♦ Test Point :Center point of the display area
Note 8) Definition of Crosstalk (Refer to the VESA STD)
- 14 -
The calculation for shadowing is made from the 2 luminance measurements Gbkg and Lsh,
as follows:
Lmax -Lmin
CT
= ⎯⎯⎯⎯⎯⎯ x100 %
Lmin
Where Lmax is the larger value of Gbkg or Lsh , and Lmin is the smaller of the two.
♦ To determine background and foreground levels (colors),first set the background to any
gray scale or color level suitable for shadowing determination.(Note that it may take
several iterations of adjusting background level and box levels to determine the proper
value for the background .Next display the box levels to determine the proper value for the
background level. Look for shadowing in any direction from box E. Independently vary the
gray level (or color) of the background and box E until the worst case shadowing is
observed. This defines the background (Gbkg) and foreground (Gfg) levels to be
maintained for the remainder of the test.
♦ One point only (the target) will be measured. To determine that point proceed as follows
Using the background and foreground gray levels of step1 (Gbkg and Gfg). Turn on each
box at a time. Look for the case with the worst shadowing. The box causing the worst case
is the shadowing source, or Bsrc. Use Bsrc and the box opposite from it that lies directly in
the shadow path. That is the target box, or Btgt. Note that box Eight be either Bsrc or Btgt,
depending on the shadowing conditions, but typically Bsrc and Btgt will be a pair of
opposite boxes, A&C or B&D. Btgt will only be displayed for aligning the LMD. It will be
turned off for the actual measurement.
♦
The target box point (Btgt) will be measured with the source box (Bsrc) turned on then off.
(Btgt is for alignment purpose only) Display the background only at level Gbkg. Display
Btgt determined in step 2 above. Using the correct distance, angle, and measurement
aperture, align the LMD to the center of the Btgt. Turn off Btgt. With Gbkg set to its
proper level, measure the luminance (or color). Next,turn on the source box Bsrc. Again
measure at the center point of Btgt (without Btgt present.). In this case the LMD will be
measuring the shadowing level, Lsh.
- 15 -
Panel Relative Humidity
JP777-E02
Input Signals
Video input
• Type
Analog R, G, B.
75 ohm +/- 2%
Positive
DVI (option)
• Input Impedance
• Polarity
• Amplitude
• Display Color
Sync input
0 - 0.7 +/- 0.05 Vp
same as LCD panel
• Signal
separate horizontal and vertical sync, or composite sync
which are TTL compatible
• Polarity
positive and negative.
Interface frequency
The following frequency range is generalized by supported timing. If the entered
mode does not match the supported timing the display optimization will not be
assured.
• Horizontal Frequency 30KHz --80KHz
• Vertical Frequency 49Hz -------75Hz
- 16 -
Supported Timing
FH(KHZ)
SYNC
TOTAL
ACTIVE
SYNC
FRONT
PORCH
BACK
PIXEL
FOREQ.(MHZ)
25.175
TIMING
FV(HZ)
POLARITY (DOT/LINE) (DOT/LINE)
WIDTH
PORCH
(DOT/LINE) (DOT/LINE) (DOT/LINE)
640x350
VGA-350
640x400
NEC PC9801
640x400
31.469
70.087
24.83
56.42
31.469
70.087
31.5
+
–
–
–
–
+
–
–
-
800
449
848
440
800
449
800
449
800
629
800
525
864
525
832
520
840
500
900
449
1152
667
1024
625
1056
628
1040
666
1056
625
1344
806
1328
816
1328
806
1312
800
1328
803
1480
912
1480
912
1600
900
640
350
640
400
640
400
640
400
640
480
640
480
640
480
640
480
640
480
720
400
832
624
800
600
800
600
800
600
800
600
1024
768
1024
768
1024
768
1024
768
1024
768
1152
864
1152
864
1152
864
1280
960
1280
960
1280
960
1280
1024
1280
1024
96
2
64
8
96
2
64
2
96
2
96
2
64
3
40
3
64
3
108
2
64
3
72
2
128
4
120
6
80
3
136
6
176
4
136
6
96
3
96
3
96
3
96
3
128
2
112
3
112
3
112
3
112
3
144
3
16
37
64
7
48
60
80
25
48
35
80
34
48
85
48
33
96
39
120
20
120
16
54
35
224
39
128
22
88
23
64
23
160
21
160
29
112
36
144
29
176
28
176
29
192
32
200
44
256
32
21.05
25.175
25.197
25.175
25.175
30.24
31.5
16
12
16
13
16
62
16
10
64
3
16
1
16
1
18
12
32
1
24
1
40
1
56
37
16
1
24
3
16
8
24
3
16
1
32
3
40
13
32
1
VGA-GRAPH
640x400
NEC PC9821
640X480
VESA-PAL
640x480
VGA-480
640x480
APPLE MAC-480
640x480
VESA-480-72Hz
640x480
70.15
31.469
50.030
31.469
59.94
35.00
66.67
37.861
72.809
37.5
-
–
–
–
–
–
–
–
–
–
+
–
–
+
+
+
+
+
+
+
+
–
–
+
+
–
–
+
+
–
–
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
31.5
VESA-480-75Hz
720x400
VGA-400-TEXT
832x624
APPLE MAC-800
800x600
SVGA
800x600
VESA-600-60Hz
800x600
VESA-600-72Hz
800x600
VESA-600-75Hz
1024x768
75
31.469
70.087
49.725
74.55
35.156
56.25
37.879
60.317
48.077
72.188
46.875
75
28.322
57.2832
36
40
50
49.5
48.363
60.004
53.964
66.132
56.476
70.069
60.023
75.029
60.24
75.02
54.054
59.270
63.851
70.012
67.50
75.00
60.00
60.00
70.00
70.00
75.00
75.00
64
65
XGA
1024x768
COMPAQ-XGA
1024x768
VESA-768-70Hz
1024x768
VESA-768-75Hz
1024x768
APPLE MAC-768
1152x864
(60Hz)
1152x864
(70Hz)
1152x864
(75Hz)
1280x960
(60Hz)
1280x960
(70Hz)
1280x960
71.664
75
78.75
80
80
94.499
108.00
108.00
126.00
135.00
108
64
2
96
1
96
1
96
1
48
1
16
1
1800
1000
1800
1000
1800
1000
1688
1066
1688
1066
312
36
312
36
312
36
248
38
(75Hz)
1280x1024
VESA-1024-60Hz
1280x1024
VESA-1024-75Hz
60
80
75
248
38
135
Note: Mode 640x350, 640x400 and 720x400 will locate on middle position but cannot be expanded to full screen on
vertical direction
- 17 -
Support Modes
There will be 28 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.
Video input Connector
Analog Video input Connector: 15pins mini D-Sub
Table 2.4.5. Pin assignment for D-sub connector
Separate Sync
PIN NO.
1
RED VIDEO
GREEN VIDEO
BLUE VIDEO
GROUND
2
3
4
5
GROUND
6
RED GROUND
GREEN GROUND
BLUE GROUND
PC5V (+5V DDC)
CABLE DETECTION
GROUND
7
8
9
10
11
12
13
14
15
SDA
H.SYNC
V.SYNC
SCL
- 18 -
Color of plastic parts: Blue (PC99)
5
1
10
6
15
11
D-sub connector
Digital Video Input Connector : DVI – D (T.B.D)
Table 2.4.6 Pin assignment for DVI – D Connector:
Pin – Assignment of DVI –D connector :
1
2
3
4
5
6
7
8
TX2-
9
TX1-
17 TX0-
TX2+
10 TX1+
18 TX0+
Shield (TX2 / TX4)
NC
11 Shield (TX1 / TX3)
12 NC
19 Shield (TX0 / TX5)
20 NC
NC
13 NC
21 NC
DDC-Serial Clock
DDC-Serial Data
No Connect
14 +5V power *)
15 Ground (+5V)
16 Hot plug detect
22 Shield (TXC)
23 TXC+
24 TXC-
*) In case, the power of the PC unit is switched off and the power of the monitor is switched on, no
voltage may occur at pin 14.
- 19 -
MONITOR BLOCK DIAGRAM
The LCD monitor will contain an main board, an inverter/ power board, key board and internal adapter which house the
flat panel control logic, brightness control logic and DDC.
The inverter board will drive the backlight of panel and the DC-DC conversion.
The Adapter will provide thr 12V DC-power to inverter/ power board.
Power board
(include: AC/DC,inverter)
- 20 -
BLOCK DIAGRAM
System Block Diagram
- 21 -
Monitor board layout.
LABEL
Component
LABEL
Component
U1
UZ1084L-33
RTD2120
CN1
E&T 4500-08/4500-06
U4
U5
CN2
CN3
E&T 4501-19
D-SVB 15 PIN
P-TWO AFN300 30P
E&T 4500-03
E&T 4500-02
E&T 4500-03
NC
RTD2025/2045/2525/2545
ATPA6019
U501
CN4
CN201
CN500A
CN500B
CN501
CN502
E&T 4500-03
- 22 -
Software flow chart
.
- 23 -
General 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.
z
z
z
The power cord should be connected.
Connect the video cable from the monitor to the video card.
Press the power button to turn on the monitor position. The power indicator will light up.
External Controls
1
2
3
5
6
7
MENU/ENTER
Auto Adjust Key/Exit
eCOLOR
LED
/ Power Key
>/ Volume
</ Volume
4
- 24 -
System Installation
Connecting the Display
z
z
z
z
Power off your computer.
Connect one end of the signal cable to the LCD Monitor’s VGA port.
Connect the other end of the signal cable to the VGA port on your PC.
Make sure connections are secure.
Connecting the AC Power
z
z
Connect the power cord to the LCD Monitor.
Connect the power cord to an AC power source.
- 25 -
POWER/Inverter Board
Description
This specification defined the performance and characteristic of power/inverter
board.
It supplies the following outputs :
1). 5Vdc: Logic power.
2). 5Vaudio: Audio power.
3). 19Vinv: Inverter power.
Features
Input Voltage: 100 ~ 240 ±10％Vac
Input Frequency: 47 ~ 63Hz
Input power consumption: Less than 1W @ minimum load
Total output power: 40Wmax
Inverter brightness adjustment: Burst mode
Protection function: auto-recovery type
Interface Signals
Input
1. AC Inlet: HUAJIE SA-4S-328 or compatible.
2. J701: SC SCJ-0345-1-X-9 3.6D BLU 3P or compatible.
Output Connector & Pin Assignment:
1. The connecter was pitch 2.0mm.
PIN NO. Function
Function
+5Vdc +5Vdc supply for logical board
+5Vdc +5Vdc supply for logical board
1
2
3
4
5
6
7
8
Vbri
Ven
Brightness control from logical board (0V to 3.3V)
Inverter enable signal from logical board (high active , >3V)
GND Ground
GND Ground
GND Audio ground
+5Vaudio Audio power (optional).
- 26 -
2.Inverter-side connecter : ACES 88451-020N-01 2P3.5 LOCK or equivalent.
PIN NO. Function
Comment
1
2
Cth
Ctl
VBLH(High voltage)
VBLL(Low voltage)
Electrical Specification:
AC-DC Electrical specification
3.4.1.1 Input Specification
No
1
Item
Condition
-----
Min.
Typ.
---
Max.
240
Unit
Vac
Input Voltage
100
47
2
3
Input requency
Input Current
-----
-----
---
---
63
Hz
---
0.8
Arms
Cold Start @Vin=100Vrms
Cold Start @Vin=240Vrms
---
---
30
50
A0-P
A0-P
4
Inrush Current
---
5
6
7
8
Hold Up Time
Turn on time
Efficiency
@full load & 100Vac input
Vin =110Vac
10
---
---
---
---
---
---
---
1
ms
S
1.0
70
---
Full load
%
W
Consumption
Vin=240Vac,@ no load
- 27 -
3.4.1.2 AC-DC Output Specification
Tolerance
Output Current
Voltage Tolerance
Output oltage
+5Vdc
---
MIN
0.05A
0A
MAX
+5 /-3 %
+35/-5 %
1.5A
2A
4.85~5.25V dc
24~18Vdc
+19Vinv
+5Vaudio
0A
0.6A
4.75~5.25Vdc
±5%
Measured at DC output
terminals which are
paralleled with a 10uf
Ecap &0.1uf Ceramic
cap.
+5Vdc:50mVp-p
Ripple
Noise
---
---
1%
3%
+19Vinv:190mVp-p
+5Vdc:150mVp-p
+19Vinv:570mVp-p
2.Band width is limited
50~100% or 100~50%
Dynamic Load
Regulation
---
---
---
---
load change of any DC
output @50% duty of
±5%
Over / Under
@ Power line on/off
±10%
*+5Vdc load regulation test: the +19Vinv loading at 2.0A
*+19Vinv load regulation test: the +5Vdc loading at 1.5A
3.4.1.3 Protection function
1) SCP: Short circuit protection must be acted on both outputs
2) OPP: Should be protected when output power consumption is within ~ 55W
Inverter Electrical Specification:
For 19” Panel
Condition
---
Min.
---
Typ.
19
Max.
---
Unit
V
Input Voltage
Input Current
---
---
1.5
3.3
0
---
A
Backlight ON/OFF
Control
ON
V
OFF
V
Min. Luminance / Max.
Luminance
Brightness Adjust
---
30%
---
---
Output Voltage
Brightness
Vin=19V, Iout=7mA
lamp current in 7mA
---
650
300
---
---
Vrms
250
Cd/m²
Output Current(Each
connector)
Vbri=0.4V~3.3V
4
7.5
8
mA
Frequency
---
40
---
---
60
---
KHz
@0℃
Lamp start voltage
1650
Vrms
- 28 -
Striking Time
---
---
---
---
1
---
---
---
S
Lamp Current Balance
Efficiency
---
±0.35
80
mA
%
Vin=19V
*.The open lamp voltage is testes at output connector terminal
SAFETY
Leakage Current: 0.25mA @ 100Vac
3.5mA @ 264Vac
Insulation Resistance: more than 3M ohms while withstanding a voltage of 500Vac
Hi-Pot: 3Kvac with using 3mA cut off current
- 29 -
Power Consumption
The monitor is equipped with a power-management according to the below.
There is a delay of 5s … 7s before the transition from On-state to any power saving state to avoid
unintentionally entering of a power saving stage during display resolution and timing mode changes.
Transition from any power saving state to another can be instantaneous.
The recovery from Off-state requires no manual power on.
Mode
H-Sync.
on
V-Sync.
on
Video
Pw-cons.
< 40W
< 2 W
Indicator
Rec. time*
Power-On
DPMS off
DC Switch-off
active
Blue LED
Orange LED
Dark LED
--
off
off
blanked
< 5S
< 1 W
SYNC. On means: Normal operation
SYNC. Off means: H sync. F < 10KHz duty cycle > 25%
V sync. F < 10Hz duty cycle > 25%
CONNECTORS / CONTROLS
Connectors
Power
: Monitor rear side
: Monitor rear side / Data Cable
: AC Inlet
-
-
Analog RGB
: 15-pin D-sub female / male
Pin – Assignment of 15-pin D-sub:
1
Red Video
9
+5V FOR DDC
2
Green Video
Blue Video
10
11
12
13
14
15
Detect
3
Serial Data for ISP
Serial Data for DDC
H-Sync.
4
Serial Clock for ISP
Ground
5
6
Red Ground
Green Ground
Blue Ground
V-Sync.
7
Serial Clock for DDC
8
-
Audio
: Monitor rear side
-PC I/P for PC
:
: 3.5mm Stereo female
Monitor Control Keys
Power , Menu , Adjust +/- , Vol +/-, Auto
KEY :
Position Of Controls
Position of all switches
Position of LED
: Bottom side of front bezel
: Bottom side of front bezel
- 30 -
Chapter 2
Operating Instructions
CONTROLS
Control panel (monitor front panel)
1
Power LED, will be blue when monitor is on; be amber when in
power saving mode.
2
3
4
Power ON/OFF switch, push to ON and push to OFF. (toggle
switch)
Function change or Adjust increase.
Function change or Adjust decrease.
5
6
7
Menu
Auto
e
Function select
Auto adjust or Exit OSD menu.
eColor management function
Note:
1. Press button 3 (plus +) or 4 (minus -) at the same time can activate “Volume Adjustment”.
2. When OSD Menu is off, press button 6 (auto) at the same time can activate “Auto Adjustment” immediately.
3. When into Factory mode press 3 (plus +) ,4 (minus -) and 2 (power) together 2 seconds at same time.
- 31 -
Main OSD Menu:
Outline:
z
P/X Series OSD behave
When user press “MENU” button on front bezel
A. Acer eColor Management
If selected to “Acer eColor Management” item, will appear the Acer eColor” OSD
B. USER
If selected to “USER” item, will appear the Standard OSD
I. Only Analog Input Model
II. Only Dual Input ModeI
- 32 -
The description for control function :
A. Acer eColor Management
Main Menu
icon
Sub Menu
icon
Sub Menu item
Description
N/A
N/A
N/A
N/A
N/A
User mode User defined. Settings can be fine-tuned to suit any situation
Optimal balance of brightness and contrast prevent
Text mode
eyestrain. The most comfortable way to read onscreen text
Standard mode Default Setting. Reflects native display capability
Graphic mode Enhances colors and emphasize fine detail
Displays scenes in clearest detail. Pictures and
Movie mode
photographs appear in vibrant colors with sharp detail
B. USER.
Main Menu
icon
Sub Menu
icon
Sub Menu item
Contrast
Brightness
ACM
Description
Adjust the contrast between the foreground and background
of the screen image
Adjust the background brightness of the screen image
ACM (Adaptive Contrast Management)A CM ON/OFF
Switch, default "OFF"
Adjust picture Focus
Focus
(available in analog mode only)
Adjust picture Clock
Clock
(available in analog mode only)
- 33 -
Main Menu
icon
Sub Menu icon
Sub Menu item
Description
Adjust the horizontal position.
H. Position
(available in Analog mode only)
Adjust the vertical position.
V. Position
(available in Analog mode only)
Set the color temperature to warm white.
Set the color temperature to cool white.
N/A
N/A
Warm
Cool
User /Red
User /Green
User /Blue
Adjusts Red/Green/Blue intensity
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
English
繁體中文
Deutsch
Français
Español
Italiano
简体中文
日本語
Multi-language selection.
Suomi
EMEA version OSD only
Hollands
Русский
H. Position
V. Position
Adjust the horizontal position of the OSD.
Adjust the vertical position of the OSD.
Adjust the OSD timeout.
OSD Timeout
Analog
N/A
N/A
N/A
Select input signal from analog (D-Sub)
Select input signal from digital(DVI)
(only Dual-Input Model)
Digital (only Dual
Input Model)
DDC/CI
Turn ON/OFF DDC/CI support
- 34 -
Show the resolution, H/V frequency and input port of
current input timing.
N/A
N/A
N/A
Information
Reset
Clear each old status of Auto-
configuration and set the color temperature to Cool.
Exit
Save user adjustment and OSD disappear.
- 35 -
Hot-Key Menu: eColor Management:
Outline:
Text
User
Standard Graphic Movie
Operation instructions
Acer eColor Management
Step 1:
Press “
Key” to open the Acer eColor Management OSD and access the scenario modes
Step 2: Press “<” or “>” to select the mode
Step 3: Press “Auto Key” to confirm the mode and run Auto Adjust
Features and Benefits
Mode
Features
Benefits
Default settings
Reflects native display capability
Standard
Optimal balance of brightness and
contrast prevents eyestrain
Enhances colors and emphasizes fine
detail
The most comfortable way to read onscreen
text
Text
Pictures and photographs appear in vibrant
colors with sharp detail
Graphics
Presents great visuals, even in unsuitably-lit
environments
Displays scenes in clearest detail
User defined
Movie
User
Settings can be fine-tuned to suit any situation
- 36 -
Audio Volume control:(option)
Outline:
The description for Hot-Key function :
Adjustment Reset
Range Value
0-100 50
Item
Operation
Icon
Description
Volume When the OSD is closed, press
Left or Right button will be Volume
Hot-Key Function
Volume of Audio adjustment. The
Audio will be Mute when volume=0.
OSD Message:
Outline:
The description for OSD Message :
Item
Description
Auto Config
Please Wait
Input Not
Supported
Cable Not
Connected
No Signal
When User Press Hot-Key “Auto”, will show this message, and the monitor do the auto config
function.
When the Hsync Frequency, Vsync Frequency or Resolution is out of the monitor support range,
will show this message. This message will be flying.
When the video cable is not connected, will show this message. This message will be flying.
When the video cable is connected, but the is no active signal input, will show this message, then
enter power saving.
- 37 -
LOGO:
When the monitor is power on, the LOGO will be showed in the center.
Item of Factory menu
Vendor may customize design and add adjustment items Factory menu as far as all required items are included.
1) Bright
Adjust Brightness and Contrast value to Max.
2) Auto Balance
Adjust each R, G, B contrast (gain) and offset.
Method of auto adjust is depends on hardware.
Adjusted value of R, G, B gain shall be used for initial value of Contrast in user menu.
All value shall be adjustable manually.
This function shall be located in 3. tag of Factory menu.
3) Factory color temp data edit
Following data for color temp shall be editable manually.
-color temp default preset No.
- 38 -
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. The communication channel is defined in two levels, DDC2B.
The DDC2Bis a bidirectional data channel based on the I2C protocol. The host can request EDID information over the
DDC2B channel.
THIS MONITOR WILL APPEAR TO BE NON-FUNCTIONAL IF THERE IS NO VIDEO INPUT SIGNAL. IN ORDER
FOR THIS MONITOR TO OPERATE PROPERLY, THERE MUST BE A VIDEO INPUT SIGNAL.
This monitor meets the Green monitor standards as set by the Video Electronics Standards Association(VESA) and/or
the United States Environmental Protection Agency (EPA) and The Swedish Confederation Employees (NUTEK). This
feature is designed to conserve electrical energy by reducing power consumption when there is no video-input signal
present. When there is no video input signal this monitor, following a time-out period, will automatically switch to an
OFF mode. This reduces the monitor’s internal power supply consumption. After the video input signal is restored, full
power is restored and the display is automatically redrawn. The appearance is similar to a “Screen Saver” feature
except the display is completely off. The display is restored by pressing a key on the keyboard, or clicking the mouse.
Using The Right Power Cord
The accessory power cord for the Northern American region is the wallet plug with NEMA 5-15 style and is UL listed
and CSA labeled. The voltage rating for the power cord shall be 125 volt AC.
Supplied with units intended for connection to power outlet of personal computer: Please use a cord set consisting of a
minimum No. 18 AWG, type SJT or SVT three conductors flexible cord. One end terminates with a grounding type
attachment plug, rated 10A, 250V,CEE-22 male configuration. The other end terminates with a molded-on type
connector body, rated 10A, 250V, having standard CEE-22 female configuration.
Please note that power supply card needs to use VDE 0602, 0625, 0821 approval power cord in European counties.
- 39 -
White Color Temperature
White color temperature is 4 preset as 9300, 7500,6500 and User,
Default value of user color should be user which is maximum setting for panel.
Target of color setting
Color
Color Coordinate
Tolerance Color Coordinate
Tolerance
Temp.
x
y
u’
0.189
0.198
-
v’
9300K
6500K
User
0.283
0.313
-
0.297
0.329
-
+0.03
+0.03
0.446 u’v’ < 0.01*
u’v’ < 0.01*
0.469
-
-
*) TCO’0X A.2.6.1 requirement
User should follow “Microsoft Windows Color Quality Specification for Liquid Crystal Display OEM’s”.
Audio Technical specification
General Description:
Output power
: 1W + 1W maximum
Total harmonic distortion
: Less than 1 % (except speakers distortion)
Input signal sensitivity
Input impedance
: 0.5 Vrms for full output
:
47 Kohm +/- 5 %
Frequency response range
: 20Hz – 20kHz (except speakers response)
- 40 -
Electrical characteristics (Tamb=25°)
Audio amplifier(USE Panasonic VP-7723A Audio Analyzor. )
Item
Audio Input
Freq.
Spec.
Comment
Min.
-
Typ.
Max.
-
Input Voltage(V)
0.5Vm
s
Input Current(m A)
Audio Voltage Gain
Frequency Response
-
-
500
800
500m Vrms 1KHz
-
-
6 d B Volume Max.,load 4 Ω
500m Vrms 300Hz-20KH -10dB
z
+10d B Volume Max.,load 4 Ω
Signal to Noise ratio
Total harmonic distortion
Cross talk
500m Vrms 1KHz
500m Vrms 1KHz
500m Vrms 1KHz
500m Vrms 1KHz
-
-
-40dB Volume Max.,load 4 Ω
1%
except speakers distortion
-
-
-
-
-
-
-30dB Volume Max.,load 4 Ω
Output Watt.
0.5W Volume Max.,load 4 Ω
Volume Control
-
Analog
41
SOP for Factory Mode
1. Connect D-SUB cable and Power cord according to the graphic, and input power and signal
2. Turn on the monitor by clicking the power key, and show the normal image
4. Press the “Function -”key, “Function +” key & “Power” key simultaneously and
Factory Model is got into as below
42
SOP for ISP (Firmware upgrade)
1. Operation system & Connection
a. PC (Win XP), b. ISP tool, c. VGA cable, d. RS232 cable
b. Turn on the power of monitor.
VGA cable
shall be
connected to
ISP out port.
2. Install ISP BD driver on PC system
a. Click the ISP driver program(port95nt.exe)
b. Click
to next page
.
43
c. Click
or
to next page
d.Click
to complete this setup.
3. Open the ISP program on PC system
Click the ISP program (RTD2120_ISP_vXX.exe)
4. Load F/W files (There are two F/W files, XXX_code.hex&xxx_data.hex)
a. Hold on the K/B“Ctrl”Key，
b. Click
c. Click
to load F/W file( Ex：C：\Code\Acer \Acer_code.hex;
to load F/W file (Ex:C：\Code\Acert\Acer_data.hex;
44
d. Click
to update F/W.
e. The ISP process would be finished after the menu occur the “PASS” message.
5. We shall hold on the K/B "Ctrl" key before we want to use below functions.
(1). Load F/W files。
(2). Config Function
(3). Verify CheckSum function
45
Chapter 3
Machine Disassembly and Replacement
Disassembly Procedure
Disassemble the stand neck and base
1. Push release button and remove the base.
2. Remove the hinge cover.
3. Remove the four screws to release the hinge.
4. Remove the stand neck
Disassemble the chassis
1. To separate the back cover.
2. Remove the two screws from hinge bracket.
3. Disassemble the FFC form VL board
4. Remove the two screws from VGA connector (four screws from VGA and DVI connector).
5. Remove the two screws form chassis.
6. Disassemble the FFC form panel connector.
7. Disassemble four voltage lines from power board.
8. Remove speaker four screws form panel bracket R/L
9. Remove the chassis support
46
Disassemble the main board and the power board
1. Remove the five screws to release line from Chassis
2. Disassemble audio line from VL board and power board (option).
3. Disassemble power line from VL board and power board.
4. Disassemble speaker line from VL board.
5. Disassemble the FFC form VL board
Disassemble the mylar
1. Remove the two mylars to release line from Chassis
2. Remove the one mylar to release line from Chassis
Disassemble the key board
1. Remove three screw to release VK board from bezel.
2. Disassemble the button from bezel.
Disassemble the panel bracket
1. Remove tow screws to release panel bracket R from penal.
2. Remove tow screws to release panel bracket L from penal .
47
Chapter 4
Troubleshooting
Main Procedure
48
Power Circuit and Backlights Troubleshooting
49
Performance Troubleshooting
50
Function Troubleshooting
51
Chapter 5
Connector Information
Phonejack stereo
PIN1. right
PIN2. Left
PIN3. Gnd
: CEE22 typed connector
: Line-in receptacle
Video input Connector
Analog Video input Connector: 15pins mini D-Sub
Table 2.4.5. Pin assignment for D-sub connector
Separate Sync
RED VIDEO
PIN NO.
1
5
1
2
GREEN VIDEO
BLUE VIDEO
GROUND
10
15
6
3
11
4
5
GROUND
6
RED GROUND
GREEN GROUND
BLUE GROUND
PC5V (+5V DDC)
CABLE DETECTION
GROUND
7
8
9
10
11
12
13
14
15
SDA
H.SYNC
V.SYNC
SCL
52
Chapter 6
FRU (Field Replaceable Unit) list
This chapter gives you the FRU (Field Replaceable Unit) listing in global configurations of AL1916. Refer to this
chapter whenever ordering for parts to repair or for RMA (Return Merchandise Authorization).
NOTE : Please note WHEN ORDERING FRU PARTS, that you should check the most up-to-date information available
made, it will not be noted in the printed Service Guide. For ACER-AUTHORIZED CERVICE PROVIDERS, 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 local FRU list provided by your regional Acer office to order FRU parts 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 best to dispose it, or follow the rules set by your regional Acer office on how to return it.
53
55
Part list
No.
Photo
Part Name
Description
Part No.
1
2
BEZEL ASSY(V193)
AV6901 ABS 94HB MBK94GP
APAV690110I
Base Assy
AV6905 ABS 94HB MBK94 GP
AV5203 ABS 94HB MBK94 GP
AV5731 MBK94 ABS 94HB GP
AV5715 ABS 94HB MBK94 GP
APAV690500I
APAV690300I
APAV690310I
APAV690320I
APAV690330I
BACK COVER ASSY
(ANALOG) BACK
COVER ASSY (DUAL)
3
4
BUTTON
FBAV573100I
APAV571520I
STAND NECK
ASSY(AV698)
6
ECAV691100I
ECAV691110I
ECAV691120I
ECAV691130I
CHASSIS(DUAL
CHASSIS(ANALOG)
7
VP949+VL949 D-SUB GP
MYLAR(UPPER)
MYLAR(LOWER)
AV5743 FR700 T=0.43MM 94V0 GP
AV5744 FR700 R=0.43MM 94V0 GP
ELAV694300I
ELAV694400I
8
9
SOCKET MYLAR
PANEL BRACKET_L
PANEL BRACKET_R
CHASSIS SUPPORT
AV5742 FR700 T=0.43MM 94V0 GP
AV6921 SECC T=0.8MM GP
AV6922 SECC T=0.8MM GP
AV6941 SECC T=0.8MM GP
ELAV574200I
ECAV692100I
ECAV692200I
ECAV694100I
ECAV573210I
10
11
12
HINGE BREAKET
(AV698)
13
AV5732 SGECC T=0.8MM GP
56
14
15
HINGE COVER(L/R)
LED LENS
AV5747 MBK94 ABS 94HB GP
FAAV574700I
AV5741 PC CLEAR GP
FCAV574100I
16
17
SCREW
SCREW
FCAV574100I
M3X0.5+4I-NI(GP)
M3X0.5+4I-NI(NL)
MAA0000320I
18
19
SCREW
TPB-2-2.8I (ZK)
MAB0000340I
MAAA001933I
MAB0000540I
4#-40UNCX12.7 WASHER D=5.0
GP
SCREW SPECIAL
20
SCREW
MAB0000540I
21
22
SCREW
M4X0.7+8F-NI GP
TPB-4+12I-ZK(GP)
MAA1000110I
MAB0000120I
TAPPING SCREW
23
24
panel
LM190E08-TLL1 19"A
AC6VG1902R3
454AEN30L11
Function Board
VK-948
57
2W 6OHM C4020A R-2P
2W 6OHM C4020A L-3P
CG10021V22I
CG10021V23I
25
26
27
28
29
Speaker (R/L)
Power& Inverter Board VP-949 LAV699GA_7.5mA
453ADS30L11
461AG430L13
461AG630L12
461AG330L12
Main board
Main board
Main board
Main board
VL-949 LAV698GA
VL-951 LAV898GA
VL-948 LAV699GA
30
31
VL-950 LAV899GA
461AG530L12
NBX3010690I
Main board to LCD
Cable
30P G P1PAD0.65 25CM
58
Chapter 7
Schematic Diagram
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
|