Dell E173FP service manual LCD Monitor Description, Monitor Block Diagram

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DELL E173FP Service Manual

2. LCD MONITOR DESCRIPTION

The LCD MONITOR will contain a main board, an internal inverter/power board, keypad board, which house the flat panel control logic, brightness control logic and DDC.

The internal Inverter/power board will drive the backlight of panel and the DC-DC conversion. and provides the 12V DC-power to main board.

Monitor Block Diagram

CCFT Driver.

Flat Panel and CCFL backlight

Inverter/Power Board

Main Board

Keyboard

RS232 Connector For white balance adjustment in factory mode

AC Power IN

HOST Computer

Video signal, DDC

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Contents Dell E173FP LCD MonitorTable of Contents Page Monitor Specifications LCD Monitor Description Monitor Block DiagramControl Buttons General InstructionsCorresponding setting window here Positioning is displayed Adjusting the PictureSetting Image Adjusting size and positionSetting colour temperature and colours Setting display of the OSD menuFactory Reset Setting LanguageFactory Preset Display Modes Input Signal Connector 4.1.1 Analog D-SUB ConnectorPanel Specification 4.4.1 Panel Feature Power Supply Requirements 4.3.1 Input RequirementsDisplay Characteristics Output RequirementsParameter guide line for Ccfl Inverter Optical CharacteristicsMonitor Exploded View Block DiagramSoftware Flow Chart Page MCU Electrical Block Diagram 5.3.1 Main BoardPWPC1742LGD1 Main Board SchematicZAN3 SL & MCU Keys Connection Panel Interface TO263 PowerInternal Power Board For 17&15 4 Lamps Inverter PCB Layout Inverter/Power Board Page Equipments and Tools Requirement Keypad BoardTrouble Shooting Main Board No display Inverter Control Relative Circuit PANEL-POWER CircuitU102-DATA Output OK NG Power/Inverter Board 1. No powerNG OK LED, No Backlight Keypad Board White-Balance, Luminance adjustment Turn the POWER-button off to on to quit from factory mode 00 01 02 03 04 05 06 07 08 09 a B C D E F Edit ContentTo Use ISP Writer Connect ISP Writer preparation action：Choose W78E65 Click OK Button Page Page Executing ISP Bill Of Material List CN901 Assy PCS Chip AR 8P4R 4.7K OHM+ PCS R122 61L0603472 Chipr 4.7K OHM +-5% 1/1 Chip Bead 120OHM 6A PCS MLL5232B by Full Power PCS Plug PCS Common Choke PCS Power Board PCS Ferrite Bead PCS TL1451ACD PCS R236 61L0603511 Chipr 510 OHM+-5% 1/10W ZD RLZ11B Rohm PCS STP8NK80ZFP PCS

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