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Acer Peripherals, Inc. Release Notice
Y Product System (PS)
Subject: Engineering Specification Part No.: 91.71602.132 Rev.: 0
Doc. No. 201-C06
Project Code: 91.71602.001 Page 1 of 22
Model Name: 7254E (DELL E550mmw)
0. Introduction ..................................................................................................................................... 3
1. Electrical Characteristics ................................................................................................................. 3
1.1 Power Supply ....................................................................................................................... 3
1.2 Signal Interface.................................................................................................................... 3
1.3 Scan Range ........................................................................................................................... 3
1.4 Video Performance............................................................................................................. 4
1.5 Timings ................................................................................................................................. 4
1.6 Audio Performance ............................................................................................................ 4
2. Environment & Reliability ..................................................................................................... 5
3. CRT Characteristics ................................................................................................................... 6
4. Front of Screen ................................................................................................................................ 6
4.1 Geometry............................................................................................................................... 6
4.2 Sharpness Crispness........................................................................................................... 7
4.3 Light Quality ........................................................................................................................ 7
4.4 Image Stability..................................................................................................................... 7
5. User Controls ................................................................................................................................... 8
5.1 Basic ....................................................................................................................................... 8
5.2 Advanced .............................................................................................................................. 8
6. Mechanical Characteristics ................................................................................................... 9
6.1 Dimension ............................................................................................................................. 9
6.2 Weight.................................................................................................................................... 9
6.3 Plastic ..................................................................................................................................... 9
6.4 Carton..................................................................................................................................... 9
7. Pallet & shipment .......................................................................................................................... 10
7.1 Dimension ............................................................................................................................. 10
7.2 Shipping Container ........................................................................................................... 10
7.3 Air Transportation Container .......................................................................................... 11
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Model Name: 7254E (DELL E550mmw)
8. Certification ...................................................................................................................................... 11
9. Appendix Table ............................................................................................................................. 13
Table 1 - DDC Table .................................................................................................................... 13
Table 2 - CRT Blemish & Scratch Spec ................................................................................. 17
Table 3 - Geometry Fig. .............................................................................................................. 18
Fig.1 Linearity Measurements.................................................................................. 18
Fig.2 General Pincushion Measurements ............................................................. 19
Fig.3 Trapezoid Measurements ............................................................................... 20
Fig.4 Picture Distortion & Phase Measurements................................................ 21
Table 4 - Audio Performance. ................................................................................................... 22
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Model Name: 7254E (DELL E550mmw)
0. Introduction :
The subject model is designed for a value line 15" color monitor. It has the following figures :
0.28mm dot pitch CRT, 65MHz video bandwidth ,1024x768 max resolution.
Low radiation MPRII standard,
ISO 14000 certificate green design. (Refer Table 4)
Optional items : Audio
1. Electrical Characteristics
1.1 POWER SUPPLY Condition Spec OK N.A Remark
Voltage Universal input full range 90~264VAC /47~63Hz
Input Current 90 ~ 264VAC 2.0 Arms
Power consumption On < 75 W max(w/o Audio) LED : Green
< 90 W max(with Audio)
Input Voltage Transients 280 volts for 10 seconds @40 :
DPMS Standby < 60 W(w/o Audio) LED : Green
Suspend < 5 W(w/o Audio) LED : Amber Blink
Off < 5 W(w/o Audio) LED : Amber Blink
Inrush Current 220 VAC/50Hz 40 Amp peak cold-start
Leakage Current 264 VAC/50Hz < 3.5mA
Hi-Pot 1.1500VAC, 1 sec w/o damage (in-line test)
2. Ground test : 30A, 1sec < 0.1 ohm (in-lab test)
Power cord Length : 1800 mm Color : Flint Gray KC-003
1.2 SIGNAL INTERFACE Condition Spec OK N.A Remark
Pin assignment 5V on Pin 9
Video input Level / Impedance 700mV / 75 Ohm
Sync input Level TTL-Positive/Negative
Impedance 50 Ohm on H-sync cable
Signal Cable D-Sub 1800mm +/- 20mm
BNC
Color Flint Gray
1.3 SCAN RANGE Spec OK N.A Remark
Horizontal 30 ~ 54 KHz
Vertical 50~ 120 Hz
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Model Name: 7254E (DELL E550mmw)
1.4 VIDEO PERFORMANCE Condition Spec OK N.A Remark
Dot Rate 65 MHz
Max. Resolution 1024 x 768
Rise time/Fall time 10 ns
Video Ringing 15% max
Sag 5% max
DDC Version DDC1/2B
EDID Ver 1 ,Rev 2 see Table 1
1.5 TIMINGS Preset mode No. : 8 User mode No. : 12
Preset Resolution Fh (KHz) / Fv (Hz) OK N.A Remark
VGA400 640x400 31.47KHz/70Hz Timing113
VGA480 640x480 31.47KHz/59.94Hz Timing114
VESA480 640x480 37.86KHz/72.81Hz
6448A 640X480 37.5KHz/75Hz Timing303
6448B 640X480 43.269KHz/85Hz Timing224
SVGA2 800x600 37.88KHz/60.32Hz Timing118
SVGA3 800x600 48.09KHz/72.12Hz
SVGA4 800x600 46.88KHz/75Hz Timing305
SVGA5 800x600 53.67KHz/85Hz Timing225
Apple 16" 832x624 49.71KHz/74.533Hz
UVGA1 1024x768 48.36KHz/60Hz Timing120
UVGA7 1024x768 60.023KHz/75.029Hz
Super MAC 19 1024x768 60.24KHz/75Hz
UVGA8 1024x768 68.68KHz/85Hz
WS2 1280x1024 64.317KHz/60.392Hz
WS8 1280x1024 91.15KHz/85Hz
1.6 Audio Performance option; see table 5
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Model Name: 7254E (DELL E550mmw)
2.Environment & Reliability
Condition Spec O N.A Remark
K
Operation Temp./Humidity +5 ~ +40:/ 10~80% R.H. Non-condensing
Non- Operation Temp./Humi. storage 0~ +60:/ 5~90% R.H. Non-condensing
shipping -40~ +60:/ 5~95% R.H.
Altitude Operating condition 0~3048m (10,000ft) Without packing
Non-operating condition 0~12,192m (40,000ft) With packing
Vibration
1)Sine Wave Vibration Package, Non-Operating 5 ~ 26.6Hz /0.6g
26.6 ~ 50Hz /0.016"
50~500Hz/ 2.0g
(104 Minutes/Axis for x, y, z)
2)Random Vibration Package, Non-Operating 5 ~ 100Hz, 0 dB/Oct.
0.015g2/Hz
100 ~ 200Hz, -6 dB/Oct., -----
200Hz, ------ , 0.0038g2/Hz
Non-package, Non- 20Hz~2000/ 0.0185g2/Hz
Operating
Drop (With packing) Package, Non-Operating 14.5kg - 76cm Height
1 corner, 3 edges, 6 faces.
Electrostatic Discharge IEC801-2 standard Contact:8KV, Air:15KV 0.5~8KV tip table no
blanking
Acoustical Noise < 40 dB/A
Power Line Transient IEC801-4,IEC1000-4-4 Coupling clamp 0 ~ 4KV
IEC1000-4-5 (Surge) Common:2KV,Differential:1KV
IEC1000-4-12 (100KHz ringwave) Common:3KV,Differential:1KV
MTBF Demonstration 90% confidence level > 60,000 Hrs Excluding the CRT
MTBF Prediction MIL-217F > 80,000 Hrs Excluding the CRT
CRT Life 78% degradation > 10000 Hrs
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Model Name: 7254E (DELL E550mmw)
3.CRT Characteristics
Spec OK N.A Remark
CRT Vender PHILIPS
Technology FST
Coating ASAG
Dot pitch 0.28mm
Phosphor P22
Light transmittance 57%
Viewable size 13.86"
Deflection angle 90 deg
Blemishes and scratches 1 trio missing ,as approval sheet see table 2
4.Front of Screen
4.1 GEOMETRY Condition Spec OK N.A Remark
Magnetic Environment Northern Hemisphere H = 0 + 0.05
V = +0.45 + 0.05
Southern Hemisphere H = 0 + 0.05
V = -0.45 + 0.05
Equatorial H = 0 + 0.05
V = 0 + 0.05
Size Hor. 270 + 4 mm
Ver. 202 + 4 mm
Centering Hor. & Ver. |A-B|,|C-D|< 4 mm See table 3
Geometric Distortion Line straightness to bezel < 2.0 mm to the bezel all sides See table 4 for TCO99
Short segments < 100mm < 1 mm "
Long segment 100-200mm 1% of Line segment length
Hor./Ver. Trapezoid < 2 mm
Tilt < 0.5 degree
Orthogonal < 1.5 mm
Linearity Hor. & Ver. < 10 % (Xmax-Xmin)/Xmean*100
Xmean=(Xmax+Xmin)/2
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Model Name: 7254E (DELL E550mmw)
4.2SHARPNESS CRISPNESS Condition Spec OK N.A Remark
Focus Reverse character(white "e, m" at cut-off and The distance of watch is
background and black characters) 800 x 600 resolution 30cm from eyes to screen
Mis-convergence A < 0.3mm , B< 0.35mm
Moire Over 18Ft-L no visible moire
Swing not permitted "
Jitter DIN 66234 T2 < 0.1mm "
4.3 LIGHT QUALITY Condition Spec OK N.A Remark
White Balance Full white center x = 0.281 + 0.015 @ VGA480 640x480
(Brit. cut-off & Cont. max.) y = 0.311 + 0.015 31KHz/60Hz
Purity W,R,G,B X max-X min & Y max-Y min < 0.015 "
Color Tracking Brightness cut off x, y (nominal) + 0.025 "
Min Luminance, Full scan Full white pattern >29Ft-L min. "
Min Luminance, 20% till 3" Block >40Ft-L min. "
Brightness Uniformity Full white pattern > 75% (center to any point) "
Raster light O/P Bright./Cont. Max. 0.5 ~ 1.5Ft-L "
Contrast ratio Max/Min 5:1 "
4.4 IMAGE STABILITY Condition Spec OK N.A Remark
H/V regulation Short Term <0.5mm
Long Term < ¨2mm ¨
Flicker No flicker
Ringing No visible DY Hor. Video
ringing
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Model Name: 7254E (DELL E550mmw)
5. User Controls
5.1 BASIC Function Spec OK N.A Remark
Power Switch
Contrast
Brightness
H Size
H Position
V Size
V Position
Barrel/Pincushion
Parallelogram
Trapezoid
I-Key
5.2 ADVANCED Function Spec OK N.A Remark
OSD position
Color Gain
Corner
Pin-balance
Tilt
Color Temp. C1~C5 9300K,6500K,5500K,7100K,11500K
Manual Degauss
Recall press "SELECT +" & "ADJUST-"
Languages 5 languages
Mis-Convergence adj.
Moire adj.
D-sub/BNC switch
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Model Name: 7254E (DELL E550mmw)
6. Mechanical Characteristics
6.1 DIMENSION Spec OK N.A Remark
Bezel opening 283 x 211.5 mm
Monitor w/o Stand L x W x H mm 396 x 367 x 328 mm
Monitor w Stand L x W x H mm 396 x 367 x 386 mm
Carton Box (outside) L x W x H mm 492 x 458 x 460 mm
Tilt and Swivel range Tilt : -4.8/+12.5 degree
Swivel:- 45/ +45 degrees
6.2 WEIGHT Spec OK N.A Remark
Monitor (Net) 12.5 kg
Monitor w packaging(Gross) 14.5 kg
6.3 PLASTIC Spec OK N.A Remark
Flammability UL 94-V0
Heat deflection To ABS 65 :
UV stability ABS Delta E< 1.4 after 300Hr Xted test MRR2 Model
Resin MPR2 : ABS
Texture RE-6625
Color Light Gray
6.4 CARTON Spec OK N.A Remark
Color Kraft
Material A B Flute
Compression strength 530 KGF
Burst Strength 19.4 KGF/cm2
Stacked quantity 4 Layers
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7. Pallet & Shipment
7.1 Dimension
Transport Type Pallet A Pallet B Pallet C
Shipping Pallet Length 1374 916 X
Dimension(mm) Width 984 984 X
Height 130 130 X
Air Transport Pallet Length 1150 1713 X
Dimension(mm) Width 990 990 X
Height 130 130 X
7.2 Shipping Container
Stowing Type Quantity of products Quantity of Products Quantity of pallet
(sets) (sets) (sets)
(Every container) (Every Pallet) (Every Container)
20' 220 Pallet A: 24 Pallet A: 12
Pallet B: 16 Pallet B: 12
With pallet 40' 480 Pallet A: 24 Pallet A: 5
Pallet B: 16 Pallet B: 5
20' X X
X X
Without pallet 40' X X
X X
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Model Name: 7254E (DELL E550mmw)
7.3 Air Transport Container
Container Type Quantity of products Quantity of Products Quantity of pallet
(sets) (sets) (sets)
(Every container) (Every Pallet) (Every Container)
Container Pallet A: 30 Pallet A: 3
3048 * 2286 * 2438 150
Pallet B: 20 Pallet B: 3
8. Certification
Condition Spec OK N.A Remark
Environment Green design API Doc. 715-C49 ISO14000 Requirement
Blue Angel German Standard
E-2000 Switzerland
NUTEK Swedish Standard
EPA USA Standard
EN61000-3-2 Harmonics
TCO92/95
TCO99
PC-Monitor Microsoft Windows PC98/99
DPMS VESA
DDC 1/2B Version 2.0
USB External option
Safety UL (USA) rd
UL 1950 3 edition
CSA (Canada) C22.2 No. 950-M89
DNSF EN60950
IEC950 +A1+A2+A3+A4
EN60950 +A1+A2+A3+A4
73/23/EEC
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Model Name: 7254E (DELL E550mmw)
CB (Nordics)
TUV/GS EN60950
CCIB (China)
EIAJ/JEIDA (Japan)
NOM (Mexico)
IAA (Korea)
EMC CE Mark 89/336/EEC
FCC (USA) Class B
EN55022 Class B
CISPR 22 Class B
VCCI (Japan) Class B
BCIQ (Taiwan)
C-Tick (Australia) AS3548
RRL (Korean)
X- Ray Requirement DHHS (21 CFR) USA X- Ray Standard
DNHW
PTB German X- Ray standard
MPRII
MPRIII
Ergonomics ZH1/618 German ergonomic
ISO9241-3 -7 & 8
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Model Name: 7254E (DELL E550mmw)
9. Appendix Table
Table 1 - DDC Table
Address Data Description
00 00
01 FF
02 FF
03 FF Header
04 FF
05 FF
06 FF
07 00
08 10 ID Manufacturer Name = DEL
09 AC (EISA 3 character ID)
0A F1 ID Product Code = A2F1
0B A2 (Vender Assigned code)
0C * ID Serial Number (varies)
0D * Incrementing Base 36 (Dell's format)
0E * ASCII format, LSB first
0F *
10 * Actual week of manufacture (0-53)
11 * Actual year of manufacture (year - 1990)
12 01 EDID version = 1
13 02 Revision = 2
14 08 Video Input Define
15 1B Max. H. Image Size (270 mm)
16 14 Max. V. Image Size (202 mm)
17 * (gamma*100) - 100 (see Note)
18 EA DPMS
19 * Red Green Bits Rx1Rx0Ry1Ry0Gx1Gx0Gy1Gy0
1A * Blue White Bits Bx1Bx0By1By0Wx1Wx0Wy1Wy0
1B * Red x bit9-2
1C * Red y bit9-2
1D * Green x bit9-2 (see Note)
1E * Green y bits9-2
1F * Blue x bit9-2
20 * Blue y bit9-2
21 * White x bit9-2 (White x=0.281)
22 * White y bit9-2 (White y=0.311)
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Model Name: 7254E (DELL E550mmw)
Address Data Description
23 A5 Established Timing I
24 48 Established Timing II (preset modes)
25 00 Established Timing III
26 01 #1 Standard Timing Identification
27 01
28 45 #2
29 59 800*600 @ 85Hz
2A 01 #3
2B 01
2C 31 #4
2D 59 640*480 @ 85Hz
2E 01 #5
2F 01
30 01 #6
31 01
32 01 #7
33 01
34 01 #8
35 01
36 F9 Detailed Timing Description # 1
37 15 pixel clock = 56.25 MHz
38 20 H active = 800
39 F8 H blanking = 248
3A 30 H front porch = 32
3B 58 H back porch = 152
3C 1F H sync pulse = 64
3D 20 H border = 0
3E 20 H size = 270 mm
3F 40 V active = 600
40 13 V blanking = 31
41 00 V front porch = 1
42 0E V back porch = 27
43 CA V sync pulse = 3
44 10 V border = 0
45 00 V size = 202 mm
46 00
47 1E H/V = +/+
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Model Name: 7254E (DELL E550mmw)
Address Data Description
48 00 Detailed Timing Description # 2
49 00 Monitor serial number
4A 00
4B FF
4C 00
4D * DELL monitor serial number format
4E * As it appears on the back of the unit
4F *
50 *
51 *
52 *
53 *
54 *
55 *
56 *
57 *
58 *
59 0A
5A 00 Detailed Timing Description # 3
5B 00 Monitor's name = DELL E550
5C 00
5D FC
5E 00
5F 44 D
60 45 E
61 4C L
62 4C L
63 20
64 45 E
65 35 5
66 35 5
67 30 0
68 0A
69 20
6A 20
6B 20
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Model Name: 7254E (DELL E550mmw)
Address Data Description
6C 00 Detailed Timing Description #4
6D 00 Monitor range limit
6E 00
6F FD
70 00
71 32 Vs min = 50 Hz
72 78 Vs max = 120 Hz
73 1E Hs min = 30 kHz
74 36 Hs max = 54 kHz
75 FF
76 00
77 0A
78 20
79 20
7A 20
7B 20
7C 20
7D 20
7E 00 Extension Flag
7F * Check sum
Note
CRT Vender Philips
17h BB
CRT Vender Philips
19h A2
1Ah AE
1Bh 9E
1Ch 59
1Dh 4E
1Eh 99
1Fh 27
20h 10
21h 47
22h 4F
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Model Name: 7254E (DELL E550mmw)
Table 2 - CRT Blemish & Scratch Spec
The following criteria is applied to blemishes.
Allowable No. of Blemishes Allowable
Blemishes Zone Zone Total Minimum
Separation
A B (Zones A & B ) Zone A Zone B
A 1 trio 1 1 1 --- ---
B (1) 0 0 0 --- ---
C (2) 0 2 2 --- 50
(3) 1 2 2 --- 20
1 Green 3 2
D dot Red 4 3 8 50 20
Blue 4 3
(1) 3 or more consecutive same color phosphor dots.
(2) 2 consecutive same color phosphor dots.
(3) 2 consecutive different color phosphor dots.
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Model Name: 7254E (DELL E550mmw)
Table 3 - Geometry Fig.
Fig.1 Linearity Measurements
Y2 Y3 Y4 Y5 Y6 Y7 Y8 Y9 Y: Y21 Y22 Y29
Z1
, , , , , , , , , , , ,
Z2
, , , , , , , , , , , ,
Z3
, , , , , , , , , , , ,
Z4
, , , , , , , , , , , ,
Z5
, , , , , , , , , , , ,
Z6
, , , , , , , , , , , ,
Z7
, , , , , , , , , , , ,
Z8
, , , , , , , , , , , ,
Z9
, , , , , , , , , , , ,
Z:
, , , , , , , , , , , ,
Z21
, , , , , , , , , , , ,
Z22
, , , , , , , , , , , ,
Z23
, , , , , , , , , , , ,
Z24
Xmax - Xmin Xmax + Xmin
------------------- X 100% < 10% Xmean = -------------------
Xmean 2
Ymax - Ymin Ymax + Ymin
------------------- X 100% < 10% Ymean = -------------------
Ymean 2
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Model Name: 7254E (DELL E550mmw)
Fig.2 General Pincushion Measurements
Bnn
b2
Q T
Cnn c2
c3
R S
b3
A, B represented as display area width and height
Top/Bottom Pincushion = (a1 or a2)
Side Pincushion = (b1 or b2)
Substituted A by (PS + QR)/2
B by (PQ + RS)/2
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Model Name: 7254E (DELL E550mmw)
Fig.3 Trapezoid Measurements
3/6 3/6
3/6 3/6
B E
C D
3/6 3/6
3/6 3/6
* Each of the 4 corners of picture shall fall within the relevant area (F) illustrated up (hatched)
* ABCD is the picture outlines.
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Model Name: 7254E (DELL E550mmw)
Fig.4 Picture Distortion & Phase Measurements
1
A
a1 orthogoal
-
b2
9 C D
V2
b1
-!
Tilt
a2
B
Total Peak
H2
| H 1 - H 2] | V 1 - V 2] | D1 - D 2]
0.02 0.02 0.03
0.5( H 1 + H 2) 0.5(V 1 + V 2) 0.5( D1 + D 2)
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Model Name: 7254E (DELL E550mmw)
Table 4 : Audio Performance
A. Audio Amplifier Condition Spec OK N.A Remark
Input Signal Voltage Max. 2Vpp
Sensitivity Volume Max. 200mVrms +/- 40%
Max. output power 1KHz, 10% THD 2Wrms/ch
Input Impedance >4.7K
Channel Separation >40dB
THD 1W O/P <1%
S/N Ratio >40dB
R/L Channel Balance <3dB
B. Speaker Driver Condition Spec OK N.A Remark
Nominal Impedance 4
Maximum Input Power 2W/ch
Frequency Response 200~20KHz
Mean Sound Pressure Level 83 +/- 3dB
Size 2"
Magnetic Shield Required
C. Microphone Condition Spec OK N.A Remark
Sensitivity 0dB=1V/ u bar , 1Khz -60 +/- 3dB
Vcc=4.5V , RL=1K
Directivity Omni-directional
Frequency Response 100Hz~12KHz
D. Audio Control Condition Spec OK N.A Remark
Volume Control Analog
Headphone Jack 10mW/32
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