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Dell 2000FP Service Manual

Dell 2000fp lcd monitor
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Download this manual See also: Service Manual, Instruction and Installation Manual
Dell 2000FP LCD Monitor Service Guide
Introduction
This specification describes a 20.1" UXGA TFT LCD monitor with a power adapter. It supports maximal resolution up to
1600×1200 and analog and digital inputs with DPMS. It also supports S-VIDEO and COMPOSITE video inputs. It features:
- Auto Key (Automatic adjustment function)
- User control: on/off switch, OSD control, brightness and contrast quick access, and input source selection keys
- Multi-timing support
- High quality advanced scaling function
- Power on/off indicator
- 4 input indication LEDs
- Universal power adapter
- 0.255(W)×0.255(H) mm dot pitch LCD panel
- PIP (picture in picture) feature
- Fancy OSD features:16-bit bitmap color for the splash screen, 16 pallets out of 16 bits colors for the OSD icons.

Block diagram

FP2036 consists of an LCD module with 6 lamps, an Inverter, an Interface board with DC-DC, ADC, DVI and Video
circuit, and 2 control boards. There is one adaptor converting AC input to DC 20V. The block diagram is shown below:
LCD module with 6 lamps (backlight)
Main board with DC-DC circuit
D-Sub
DC 20V adapter
Confidential
Control board
DVI-D
S-Video Composite
1
Circuit Operation Theory

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Summary of Contents for Dell 2000FP

  • Page 1: Block Diagram

    Dell 2000FP LCD Monitor Service Guide Circuit Operation Theory Introduction This specification describes a 20.1" UXGA TFT LCD monitor with a power adapter. It supports maximal resolution up to 1600×1200 and analog and digital inputs with DPMS. It also supports S-VIDEO and COMPOSITE video inputs. It features:...

  • Page 2: Circuit Operation Theory

    Dell 2000FP LCD Monitor Service Guide Circuit Operation Theory Circuit operation theory Block diagram 140MHz Flash Rom Clock D-SUB 8 Mbits Generator 100MHz GPORT TMDS UXGA PW171 Trans- 1600×1200 mitter Single Link DVI-D VPORT TMDS Video Deinterlacer S-VIDEO Decoder COMP.
  • Page 3 Dell 2000FP LCD Monitor Service Guide Circuit Operation Theory Circuit operation theory A basic operation theory for the interface board is to convert input signal into digital RGB or YUV data. Analog RGB signal is converted to digital signal through ADC. DVI-D signal is converted through TMDS receiver.
  • Page 4 Dell 2000FP LCD Monitor Service Guide Circuit Operation Theory DDC IC for both D-SUB and DVI 24C02 is used to support DDC2B function in both D-SUB and DVI ports. EDID data used for D-SUB and DVI are stored in different 24C02’s respectively.

  • Page 5: Feed-Back Circuit

    Dell 2000FP LCD Monitor Service Guide Circuit Operation Theory VREF C707 VREF R707 0.01U C709 R723 OPEN C703 R711 C705 (1206) 5.1K (OPEN) (1206) (SHORT) R713 C708 IC701 TL1451 (1206) VREF R724 C710 OPEN C702 R705 C704 680P (OPEN) (1206)
  • Page 6 Dell 2000FP LCD Monitor Service Guide Circuit Operation Theory The feedback circuit is composed of two resistors. They are R718 and R719, and feedback the DC level 1.25V with error signal . C717 is a compensation capacitor, and R726 is dummy load.