Dell E173FP service manual

Page 15

DELL E173FP Service Manual

1)MCU Initializes.

2)Is the EEprom blank?

3)Program the EEprom by default values.

4)Get the PWM value of brightness from EEprom.

5)Is the power key pressed?

6)Clear all global flags.

7)Are the AUTO and SELECT keys pressed?

8)Enter factory mode.

9)Save the power key status into EEprom.

Turn on the LED and set it to green color.

Scalar initializes.

10)In standby mode?

11)Update the lifetime of back light.

12)Check the analog port, are there any signals coming?

13)Does the scalar send out an interrupt request?

14)Wake up the scalar.

15)Are there any signals coming from analog port?

16)Display "No connection Check Signal Cable" message. And go into standby mode after the message disappears.

17)Program the scalar to be able to show the coming mode.

18)Process the OSD display.

19)Read the keyboard. Is the power key pressed?

15

Image 15
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 display of the OSD menu Adjusting size and positionSetting Image Setting colour temperature and coloursFactory Reset Setting LanguageFactory Preset Display Modes Input Signal Connector 4.1.1 Analog D-SUB ConnectorOutput Requirements Power Supply Requirements 4.3.1 Input RequirementsPanel Specification 4.4.1 Panel Feature Display CharacteristicsParameter 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 Power/Inverter Board 1. No power NG OKOK NG 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
Related manuals
Manual 57 pages 34.46 Kb