Dell E176FPB service manual LCD Monitor Description, Monitor Block Diagram

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Dell E176FPc

2. LCD Monitor Description

The LCD MONITOR will contain a main board, PWPC board, keypad 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.

Monitor Block Diagram

CCFL Drive.	Flat Panel and
	CCFL backlight

PWPC board

Main Board

Keyboard

RS232 Connector For white balance adjustment in factory mode

AC-IN 100-240V

Video signal, DDC

HOST Computer

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Contents LCD Monitor Revision Release Date Revise history TPV model Revision List Add Definition Of Pixel Defects Add Max Brightness measurementLayout Table of contentsCLAA170EA07 CPT Monitor SpecificationsLCD Monitor Description Monitor Block DiagramControl Buttons Operation instructionsGeneral Instructions Brightness / Contrast Function Auto adjustment Adjustment MethodOn Screen Menu/Display OSD Adjusting the Picture Exit Phase Color Settings Normal Preset Blue Preset Red Preset Dell E176FPc Language Factory Reset Factory Preset Display Modes Input/Output SpecificationInput Signal Connector Power Supply Requirements Panel Specification Optical Characteristics For LM170E01- TLB3/TLB4 panel Optical Characteristics For CLAA170EA07 panel Monitor Exploded View Block DiagramSoftware Flow Chart Dell E176FPc Flash Memory Electrical Block DiagramLCD Interface Scalar GM2621Inverter/Power Board Remark Disassembly Flow ChartRemove stand Remove bezelRemove rear cover Remove the shield Magnetism ring Lvds CableEnd Main Board Schematic DiagramGm2621 Keypad Panel Interface Power KBP206G Power BoardIs power GND Is signal GND Page PCB Layout Dell E176FPc Inverter/Power Board Dell E176FPc Key Board Equipments and Tools Requirement MaintainabilityReplace U401 GM2621 Trouble shootingNo display Inverter Control Relative Circuit Panel Power CircuitU401-data Output No Power No Backlight Key Board White balance, Luminance adjustment Max Brightness measurement Edid ContentTurn the POWER-button off to on to quit from factory mode Connect ISP Writer preparation action To Use ISP Writer take E153FP for example Dell E176FPc Dell E176FPc Dell E176FPc Executing ISP Check List Steps for writing DDC： Dell E176FPc Location Description Quantity Unit BOM ListDescription Quantity Unit Remark Carton PCS SUB 15PIN PCS BAV99 PCS RST SM 0603 Jump MAX 0R PCS M24C02-WMN6TP PCS PCS CN1 B2P3S-VH PCS RST SM 1206 Jump MAX 0R PCS RLZ11B Llds PCS Heat Sink PCS CLAA170EA Definition Of Pixel DefectsDell E176FPc 14.2 LM170E01-TLB3 / LM170E01-TLB4 Line Defect