Circuit Operation Theory; Block Diagram - Dell 2000FP Service 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