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HP LP2065 Service Manual

HP LP2065
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DESCRIPTION OF BLOCK DIAGRAM
1. Video Controller Part & Display Data Transmitter Part.(MST9251A)
This part amplifies the level of video signal for the digital conversion and converts from the analog video signal to the
digital video signal using a pixel clock.
The pixel clock for each mode is generated by the PLL.
The range of the pixel clock is from 25MHz to 205MHz.
This part consists of the Scaler, DDR-RAM IC which stores program data, Reset IC.
The Scaler gets the video signal converted analog to digital, interpolates input to 1600 X 1200 resolution signal and
outputs 8-bit R, G, B signal to transmitter.
Especially pre-amp / ADC / Video controller/ Transmitter are merged to one chip 'MST9251A' by M-star.
This part transmit digital signal from the Scaler to the receiver of module.
2. Power Part.
This part consists of the 3.3V, 2.5V and 1.8V regulators to convert power which is provided 5V in Power board.
18V is provided for LCD panel .
Also, 5V is converted 3.3V, 2.5V and 1.8V by regulator. Converted power is provided for IC in the main board.
3. MICOM Part.
This part consists of EEPROM IC which stores control data the Micom.
The Micom distinguishes polarity and frequency of the H/V sync are supplied from signal cable.
The controlled data of each modes is stored in EEPROM.

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HP LP2065 Specifications

General IconGeneral
3DYes
Pixel pitch0.255 x 0.255 mm
Response time8 ms
Display diagonal20.1 \
Display resolution1600 x 1200 pixels
Vertical scan range48 - 85 Hz
Horizontal scan range30 - 94 kHz
Contrast ratio (dynamic)-
Contrast ratio (typical)800:1
Display brightness (typical)300 cd/m²
USB hub version2.0
DVI-I ports quantity2
VGA (D-Sub) ports quantity0
USB Type-A downstream ports quantity5
LED indicatorsPower
Tilt angle range-5 - 25 °
Cable lock slot typeKensington
Panel mounting interface100 x 100 mm
Power consumption (standby)2 W
Power consumption (typical)75 W
Storage temperature (T-T)10 - 60 °C
Operating temperature (T-T)10 - 35 °C
Storage relative humidity (H-H)5 - 85 %
Operating relative humidity (H-H)20 - 80 %
CertificationTCO'03, TUV-Ergo, UL, VCCI, CE, ISO 13406-2
Country of originChina
Market positioningBusiness
Weight and Dimensions IconWeight and Dimensions
Depth (with stand)220 mm
Height (with stand)425 mm
Weight (with stand)9200 g
Depth (without stand)87 mm
Width (without stand)443 mm
Height (without stand)345 mm
Weight (without stand)5750 g

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