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1.2 General Requirements:
1.2.1 Test Condition:
All tests must be performed under “standard testing conditions” unless otherwise specified.
Warm up time
> 30 min.
AC supply voltage
230V± 5%, 50± 3 Hz
Ambient temperature
20
C
15
C
Humidity
65%
20%
Display mode
1680x1050, 60 Hz, Pixel Clock
:
148.5MHZ,all white
e-color mode
Set to “User” mode
Contrast control
Set to The value under user mode, which allows that the
brightest two of 32 linear distributed gray-scales (0
~
700mv)
can be distinguished.
Color temperature
6500°K
Brightness control
The value under user mode
Analog Input signal
700 mVss
Picture position and size
Factory preset value,
Viewing angle
90 ° H and V
Viewing distance
40 cm for LCD performance, 20 cm for LCD failures
Ambient illumination
Dark room (< 1 cd/m
2
)
1.2.2 Test Equipment: CHROMA 6630.
1.3 Electrical:
This section describes the electrical requirement of the monitor. Below is the block diagram.
The LCD monitor will contain a main board, a power board and a key board which house the flat panel control
logic, brightness control logic and DDC. The power board will provide AC to DC Inverter voltage to drive the
backlight of panel and the main board chips each voltage. The function key board is used for OSD control,
monitor power ON/OFF and the LED indicator for power status.
AC-IN
100V-240V
Power board
Flat Panel and
LED backlight
Main Board
RS232 Connector
For white balance
adjustment in factory
mode
LED Drive.
Video signal, DDC
HOST Computer
Key Board
Содержание B223PWL
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Страница 45: ...43 Monitor USB port driver ISP tool New F W 6 2 Connection ...
Страница 46: ...44 6 3 Install driver S1 If you use this ISP board first time First you need to install mstar driver ...
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Страница 49: ...47 Click Finish to complete the USB serial port driver installation ...
Страница 56: ...54 PC Monitor LPT port driver ISP tool VgaSinglePort exe EDID ...
Страница 77: ...75 9 2 Layout Main Board 715G3361 2 ...
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Страница 81: ...79 Power Board 715G3350P02005001S ...
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Страница 84: ...82 Converter Board 715G4013P03001004S ...
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Страница 86: ...84 Key Board 715G2944 3 ...