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Q9T4-FP91G
Service Guide
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BenQ Q9T4-FP91G Service Guide

Q9T4-FP91G LCD Monitor Service Guide
Engineering Specification
Table of Contents
1. Introduction 3
2. Operational Specification 4
3. Operational & Functional Specification 7
4. LCD Characteristics 9
5. User Controls 10
5.1 User’s hardware control definition................................................................................................10
5.2 OSD control function definition....................................................................................................10
6. Mechanical Characteristics 11
6.1 Dimension.....................................................................................................................................11
6.2 W eight...........................................................................................................................................11
6.3 Plastic............................................................................................................................................11
6.4 Carton............................................................................................................................................12
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Q9T4-FP91G LCD Monitor Service Guide
Engineering Specification
7. Pallet & Shipment 12
7.1 Container Specification.................................................................................................................12
7.2 Carton Specification......................................................................................................................12
Product:.................................................................................................................................12
Package:................................................................................................................................12
8. Certification 13
IEC60950 13
Appendix: Physical Dimension Front View and Side view 14
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Engineering Specification
1. Introduction
This specification describes Q9T4, which is a 19.0” analog/digital interface color TFT LCD monitor without audio. The monitor supports up to 1280x1024 pixel resolution and refresh rate of 75 Hz. The independent 6 bits R, G, B colors are capable of displaying 262K colors (scaler dithering output 16.2M colors). In addition,
(typ.)
Panel spec.
With 15-pin D-sub connector
With 24-pin DVI-D connector
scaler dithering output 16.2M
colors
At CCFL 7mA & R/G/B
saturated condition
90-264 Volts, 47-63 Hz.
1W in power off preferred
<
mode, 120V
2W, 240V
<
Green/Amber/Non
8 languages
6 buttons including 1 monitor
power on/off control button.
“iKey” function
DDC2B only
From -5 to +20 degree
dithering function is supported. The features summary is shown below,
*All panel spec. in C201 definition depends on the variance of panel source.
Feature items Specifications Remark
Panel supplier & module name Screen diagonal 19.0” (480mm) 376.32(H) x 301.056(V) Display Format SXGA / 1280 (H) x 1024 (V) Pixel Pitch 0.294 mm x 0.294 mm per one triad
Viewing Angle (@ Contrast Ratio = 10) Analog interface with Scaling supported
DVI interface with Scaling supported Video interface with Scaling supported No Max resolution mode supported 1280 x 1024 @ 75Hz
umber of Display Colors supported
Contrast Ratio Luminance AC power input
DC power input (with AC power adapter) No
DPMS supported
LED indicator for power status showed OSD for control & information supported Multi-language supported for OSD
Buttons control supported Flywheel control supported No
Scaling function supported Auto adjustment function supported DDC function supported (EDID ver. 1.3) Audio speakers supported Audio Jack (input connector) supported Earphone Jack (input connector) supported Microphone function supported No Mechanical Tilt base design VESA wall mounting design Mechanical Rotate design No Mechanical Lift base design No Kensington compatible lock design
AUO M190EN04 V.2
R/L: 70/70 degrees (typ.)
and U/D: 70/65 degrees (typ.)
Yes Yes
262K colors
450:1 (typ.)
250 cd/m
2
Yes
Yes
Yes Yes Yes
Yes
Yes Yes Yes
No No No
Yes Yes
Yes
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2. Operational Specification
2.1 Power supply
Item Condition Spec OK N.A Remark
Input Voltage range Input Current range Power Consumption
DPMS
Inrush Current Earth Leakage Current Hi-Pot Power Line Transient
CCFL operation range
Universal input full range 90~264VAC /47~63Hz
90 ~ 264VAC < 2.0 Arms
Normal “On” operation
DPMS “Off” state
110 VAC 220 VAC
264 VAC/50Hz < 3.5 mA
1. 1500VAC, 1 sec
2. Ground test: 30A, 1sec IEC1000-4-4 1KV √
IEC1000-4-5 (Surge)
90 ~ 264VAC 3.0 mA ~7.5mA
Engineering Specification
< 40 W (w/o speaker)
<
1 W in power preferred
mode, 120V
2 W, 240V
< < 30 A (peak) < 60 A (peak)
Without damage
< 0.1 ohm
Common: 2KV,
Differential: 1KV
√ √
LED: Green
√
LED: Amber
√
Cold-start
√
√
(on-line test)
√
√
√
(in-lab test)
Depends on panel source
CCFL Frequency
Power cord
2.2 Signal interface
Item Condition Spec OK N.A Remark
Signal Cable
Pin assignment
Sync input
90 ~ 264VAC 40KHz ~ 80KHz
15-pin D-Sub
24-pin DVI-D
15-pin D-sub connector
24-pin DVI-D connector
Signal type
Level
Impedance
Signal type
Level
Impedance
Sync Pulse Width (SPW)
Logic High: 2.4V ~ 5.5V Logic Low: 0V ~ 0.5V
Color: Black
Length: 1500
Color: Black
Length: 1500
Color: Black
Length: 2000
See Note-1
See Note-2 Separate analog R/G/B 700 mV (peak to peak) 75 Ohms +/- 1.5 Ohms
Separate H/V-sync
Composite H/V-sync
(Positive/Negative)
(TTL level)
Minimum 2.2K
0.7μs < H-SPW 1H < V-SPW
+/- 50 mm
+/-
30 mm
+/-
50 mm
Ω(pull down)
√
√
√
√ √
√ √ √ √
√
√
√ √
Depends on panel source
For 15-pin D-sub For 24-pin DVI-D For 15-pin D-sub Video input
For 15-pin D-sub
Refer to VESA VSIS Standard V1R1
10KΩ for application
Note-1: The pin assignment of 15-pin D-sub connector is as below,
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Engineering Specification
6
11 15
10
Pin Signal Assignment Pin Signal Assignment
1 Red video 9 PC5V (+5 volt power) 2 Green video 10 Sync Ground 3 Blue video 11 Ground 4 Ground 12 SDA 5 Cable Detected 13 H-Sync (or H+V) 6 Red Ground 14 V-sync 7 Green Ground 15 SCL 8 Blue Ground
Note-2: The pin assignment of 24-pin DVI-D connector is as below,
Pin Signal Assignment Pin Signal Assignment
1 TMDS RX2- 13 Floating 2 TMDS RX2+ 14 +5V Power 3 TMDS Ground 15 Ground 4 Floating 16 Hot Plug Detect 5 Floating 17 TMDS RX0­6 DDC Clock 18 TMDS RX0+ 7 DDC Data 19 TMDS Ground 8 Floating 20 Floating
9 TMDS RX1- 21 Floating 10 TMDS RX1+ 22 TMDS Ground 11 TMDS Ground 23 TMDS Clock+ 12 Floating 24 TMDS Clock-
2.3 Video performance
Item Condition Spec OK N.A Remark
Max. support Pixel rate Max. Resolution
< 6.25 ns
Rise time + Fall time
Settling Time after overshoot /undershoot
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< 5% final full-scale value
135 MHz
1280 x 1024
(50% of minimum pixel
clock period)
√ √
√
√
1280 x 1024 @ 75Hz
(max. support timing)
Refer to VESA VSIS
Standard V1R1
Q9T4-FP91G LCD Monitor Service Guide
OS
OS
OS
VES
VES
VES
VES
VES
VES
VES
VES
VES
SU
SU
VES
< 12% of step function
Overshoot/Undershoot
2.4 Scan range
Item Condition Spec OK N.A Remark
Horizontal Vertical
2.5 Plug & Play DDC2B Support
Item Condition Spec OK N.A Remark
DDC channel type
EDID
2.6 Support Timings
Engineering Specification
voltage level over the full
voltage range
31 ~ 81 KHz
56 ~ 76 Hz
DDC2B
Version 1.3
√
√ √
√
√
Refer to VESA VSIS
Standard V1R1
Without Frame buffer
Refer to Q9T4 S/W
spec. document to see
the detailed EDID data
definition.
Input Timing
Resolution
640x350 31.47(P) 70.08(N) 25.17 1280x943 720x400 31.47(N) 70.08(P) 28.32 1280x1024 640x480 31.47(N) 60.00(N) 25.18 1280x1024 640x480 35.00(N) 67.00(N) 30.24 1280x1024 640x480 37.86(N) 72.80(N) 31.5 1280x1024 640x480 37.50(N) 75.00(N) 31.5 1280x1024 800x600 37.88(P) 60.32(P) 40.00 1280x1024 800x600 48.08(P) 72.19(P) 50.00 1280x1024 800x600 46.86(P) 75.00(P) 49.50 1280x1024
832X624 49.72(N) 74.55(N) 57.29 1280x1024 1024x768 48.36(N) 60.00(N) 65.00 1280x1024 1024x768 56.48(N) 70.10(N) 75.00 1280x1024 1024x768 60.02(P) 75.00(P) 78.75 1280x1024 1024X768 60.24(N) 74.93(N) 80.00 1280x1024 1152x864 67.50(P) 75.00(P) 108.00 1280x1024 1152x870 68.68(N) 75.06(N) 100.00 1280x1024 1152x900 61.80(N) 66.00(N) 94.50 1280x1024 1152x900 71.81(N) 76.14(N) 108.00 1280x1024
1280x1024 64.00(P) 60.00(P) 108.00 1280x1024 1280x1024 75.83(N) 71.53(N) 128.00 1280x1024
Horizontal Vertical Dot Clock Actual display
Actual Output
OK N.A
√ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √
Remark
D D D
Macintosh
A A A A A
Macintosh
A A A
Macintosh
A
Macintosh
N 66
N
A
IBM1
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VES
S
Engineering Specification
1280x1024 80.00(P) 75.00(P) 135.00 1280x1024 1280x1024 81.18(N) 76.16(N) 135.09 1280x1024
Note-3: “P”, “N” stands for “Positive”, “Negative” polarity of incoming H-sync/V-sync (input timing).
√ √
3. Operational & Functional Specification
3.1 Video performance
Item Condition Spec OK N.A Remark
Resolution Contrast ratio
Brightness Response time
Viewing angle CIE coordinate of White
Display colors
Any input resolution modes
which are under 1280 x 1024
450:1 (typ.)
At R/G/B saturated condition 250 cd/m2 (typ.) @ 7mA
Rising + Falling time 12 ms (typ.) At Contrast ratio = 10 R/L: 70/70 degrees (typ.) At Contrast ratio = 10 U/D: 70/65 degrees (typ.)
(0.31, 0.33) +/- (0.03, 0.03)
262K colors
1280 x 1024
√ √
√ √ √ √ √
√
3.2 Brightness Adjustable Range
Item Condition Spec OK N.A Remark
Brightness adjustable range
At default contrast level
(saturate point) & Full-white
color pattern
(Max. brightness value –
Min. brightness value)
≧ 100 cd/㎡
√
A
PARC2
scaler dithering
output 16.2M
colors
3.3 Acoustical Noise
Item Condition Spec OK N.A Remark
Acoustical Noise
3.4 Environment
Item Condition Spec OK N.A Remark
Temperature
Humidity
Altitude
At 1 meter distance
& “Audio” function disabled
Operating
Non-operating
Operating 10 ~ 90%
Non-operating 10 ~ 90%
Operating 0~3048m (10,000ft)
Non-operating 0~12,192m (40,000ft)
≦ 40 dB/A
0 ~ +40 ℃
-20 ~ +60 ℃
√
√ √
Non-condensing
√
Non-condensing
√
Without packing
√
With packing
√
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3.5 Transportation
Item Condition Spec OK N.A Remark
(1) Vibration
(2) Unpackaged Vibration
(3) Drop
(4) Shock
Package, Non-Operating
Unpackaged, Non-Operating
Package, Non-Operating
Wooden package,
Non-Operating
Engineering Specification
(1) Sine wave
5~200Hz 1.5G, 1 octave/min, 15 min dwell on each resonant frequency, all primary axis, one sweep (30 min minimum)
er orientation, total of 90+
min.
(2) Random
5 ~100 Hz, 0 dB/Oct. 0.015
2
/Hz
g 100 ~200 Hz, -6 dB/Oct. 200 Hz, 0.0038 g Equivalent to 1.47 Grms, All primary axis, 20 min per­orientation, total is 60 min.
(3) Procedure:
Confirmed sample with appearance and function ready before testing then compare with after test record as brightness, uniformity and contrast ratio. Perform random vibration after sine-wave vibration test. Test Spectrum: 20 Hz 0.0185(g2/Hz) 200Hz 0.0185(g2/Hz) Duration : 5 Minutes Axis : 3 axis ( Horizontal and Vertical axis ,Z axis)
91 cm Height (MP stage) (1 corner, 3 edges, 6 faces) Waveform: half sine Faces: 6 sides/ per orientation
3 shocks. Duration: <3ms Velocity accelerate: 75g
2
/Hz
√
√
√
√
3.6 Electrostatic Discharge Requirements
Item Condition Spec OK N.A Remark
Electrostatic Discharge
IEC801-2 standard
Contact: 8KV
Air: 15KV
√
3.7 EMC
Item Condition Spec OK N.A Remark
Electric
TCO03
Magnetic
EMI
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FCC part 15J class B
Band 1 < 10 V/m
Band 2 < 1 V/m
Band 1 < 200nT
Band 2 < 25nT
After Mass production under
√ √
√
Q9T4-FP91G LCD Monitor Service Guide
Engineering Specification
EN55022 class B
1dBuv for constant measure. Besides DNSF and VCCI class-2 are optional.
3.8 Reliability
Item Condition Spec OK N.A Remark
MTBF Prediction CCFL Life time
Refer to MIL-217F > 60,000 Hours
At 25±2℃, under 7.0mA
50,000 Hours (typ.)
√ √
Excluding CCFL
Note-4: CCFL lifetime is determined as the time at which brightness of lamp is 50%. The typical lifetime of
CCFL is on the condition at 7.0±0.5mA lamp current.
4. LCD Characteristics
4.1 The Physical definition & Technology summary of LCD panel
Item Condition Spec OK N.A Remark
LCD Panel Supplier Panel type of Supplier Screen Diagonal Display area Physical Size Weight
Unit=mm 376.32(H) x 301.056(V) Unit=mm 396(H) x 324(V) x 18(D) (typ.)
Unit=gram 2700 (typ.)
Technology Pixel pitch
Unit=mm 0.294 x 0.294
Pixel arrangement Display mode
Support color
TN type
R/G/B vertical stripe
262K colors (scaler dithering output
AUO
M190EN04 V.2
480mm(19.0”)
Normally white
16.2M colors)
√ √ √ √ √ √ √ √ √ √
√
See Note-4
Per one triad
4.2 Optical characteristics of LCD panel
Item Unit Conditions Min. Typ. Max. Remark
[degree]
Viewing Angle
[degree] [degree] [degree]
Contrast ratio
[msec] Rising Time - 3.6 6.3
Response Time
[msec] Falling Time - 8.4 14.7 [msec] Rising + Falling - 12 21
Color / Chromaticity Coordinates (CIE)
Color Coordinates (CIE) White Luminance Uniformity
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[%] 9 points measurement
Horizontal (Right) CR = 10 (Left) Vertical (Up) CR = 10 (Down)
Normal Direction
Red x 0.604 0.634 0.664 Red y 0.324 0.354 0.384 Green x 0.27 0.3 0.3 Green y 0.585 0.615 0.645 Blue x 0.108 0.138 0.168 Blue y 0.047 0.077 0.107 White x 0.28 0.31 0.34 White y 0.30 0.33 0.36
65 65 65 60
250 450
70 75 -
70 70 70 65
-
-
-
-
Q9T4-FP91G LCD Monitor Service Guide
Engineering Specification
White Luminance @ CCFL
7.5mA (center) Crosstalk (in 75Hz)
* The test methods for the above items’ definition, please refer to the relative panel specification.
[cd/m2]
[%]
200 250 -
1.5
5. User Controls
5.1 User’s hardware control definition
Item Condition Spec OK N.A Remark
Power button Enter button Right/Inc. button Left/Dec. button Exit /Volume or Input Select
button iKey button
Mode button Mute button
√ √ √ √
√ √
√ √
5.2 OSD control function definition
Item Condition Spec OK N.A Remark
Auto Adjust Brightness Contrast Horizontal Position Vertical Position Pixel Clock Phase
Color
OSD Position OSD Time
Language Recall Mode Input Select Sharpness
Auto-Geometry
Bluish
Reddish
Normal
: Separate R/G/B adjustment
User
OSD Horizontal position
OSD Vertical position
From 5 sec to 60 sec
8 languages Color recall
Recall All
D-sub
DVI
√ √ √ √ √ √ √
√
√ √
√ √
√ √ √
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Q9T4-FP91G LCD Monitor Service Guide
Engineering Specification
Display Information Volume Mute Hot key for Brightness Hot key for Contrast Hot key for Volume Hot key for Input Select Hot key for Mode
* The detailed firmware functions’ specification, please refer to C212 S/W spec. document.
For input timing
√
√ √
√
6. Mechanical Characteristics
6.1 Dimension
Item Condition Spec OK N.A Remark
Bezel opening Monitor without Stand Monitor with Stand Carton Box (outside)
Tilt and Swivel range
L x W x H mm L x W x H mm L x W x H mm
378.2 x 302.9 mm
356.5*422.2*63.5mm
410.1*422.2*168 mm 495 x 491x 157mm
Tilt: -5 ~ +20 degree
Swivel: 0 degrees
√ √ √ √
√
√ √
√
√
6.2 Weight
Item Condition Spec OK N.A Remark
Monitor (Net) Monitor with packing
6.3 Plastic
Item Condition Spec OK N.A Remark
Flammability Heat deflection To UV stability
Resin
Texture
Color
(Gross)
ABS ABS
(VW55/VE0856/D350)
5.1 Kg
6.8 Kg
94-HB
65 ℃
Delta E < 8.0
MPRII:
MT-11020
BCS-Y5003A
ABS
√ √
√ √ √
√
√ √
Bezel texture
MT-11010
Bezel painting
T8020C
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6.4 Carton
Item Condition Spec OK N.A Remark
Color Material
Compression strength Burst Strength Stacked quantity
7. Pallet & Shipment
7.1 Container Specification
Quantity of products
Stowing Type Container
(sets)
(Every container)
Engineering Specification
Kraft
C Flute
396 KGF
(sets)
2
16 KGF/cm
13 Layers
Quantity of Products
(Every Pallet)
√ √
√ √ √
Quantity of pallet
(sets)
(Every Container)
With pallet
Without pallet
7.2 Carton Specification
Product:
Net Weight (Kg) Gross Weight (Kg)
Package:
20'
40'
20'
40'
5.1Kg 6.8Kg 356.5*422.2*63.5mm 410.1*422.2*168 mm
Carton Interior Dimension (mm)
L*W*H
485 x 481 x 139 495 x 491x 157
600 Pallet A: 60 Pallet A: 10
1440 Pallet A: 60 Pallet A: 24
600
1440
X X
Dimension w/o Base
L*W*H (mm)
Carton External Dimension (mm)
X X
X X X X
Dimension w/ Base
L*W*H (mm)
L*W*H
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8. Certification
Item Condition Spec OK N.A Remark
Green design
Engineering Specification
API Doc. 715-C49
√
ISO14000
Requirement
Environment
PC-Monitor
Blue Angel German Standard E-2000 Switzerland EPA USA Standard TCO’99 TCO’03 Green Mark Microsoft Windows PC98/99 DPMS VESA DDC 2B Version 1.3 USB External UL (USA) UL60950 3rd edition CSA (Canada) CAN/CSA-C22.2 No. 60950 Nordic / D.N.S.F EN60950 FIMKO EN60950 CE Mark 73/23/EEC
IEC60950
√ √
√
√ √ √ √ √ √
√
√ √
√ √ √
√
Safety
EMC
X- Ray Requirement
EN60950 CB
TUV/GS
CCC (China) GOST EN60950 SASO CE Mark 89/336/EEC FCC (USA) FCC Part 15 B
EN60950
EN60950 /
EK1-ITB 2000:2003
√ √
√
√ √ √ √ √
EN55022 Class B
√
CISPR 22 Class B VCCI (Japan) VCCI Class B BSMI (Taiwan) CNS 13438 C-Tick (Australia) AS/ NZS CISPR22 DHHS (21 CFR) USA X- Ray Standard
√ √ √ √
√
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DNHW
Engineering Specification
√
PTB German X- Ray standard TUV / Ergo
Ergonomics
ISO 13406-2 prEN50279
Appendix: Physical Dimension Front View and Side view
Fig. 1 Physical Dimension Front View and Side view
√ √ √ √
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Q9T4 TROUBLE SHOOTING GUIDE
1. No Display or display is unstable
Interface Board -
Y
N
Y N
o picture or picture
unstable
Power off?
Does cable plug in connector?
Is power stable?
N
Trouble Shooting
Turn on power.
Plug all wires then turn on power again.
Check power BD.
Y N
Is LED light green?
Y N
Does DVI signal work?
Y
+
+
Check control BD.
Check (U1) DDC data.
N
Is LED status normal?
Check MCU (U4) or replace it.
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