AOC 919SWA manual Remark

Page 14

19" LCD Color Monitor

 

AOC 919Swa

REMARK:

1)MCU initialize.

2)Is the EPROM blank?

3)Program the EPROM by default values.

4)Get the PWM value of brightness from EPROM.

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 EPROM.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 disappear.

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?

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Contents Service T992HDDBWKA2ANE Revision Date Revision HistoryT99LHDDBWKA1ANE IVO M190MWW3Monitor Specifications Monitor Block Diagram LCD Monitor DescriptionGeneral Instructions Adjusting the PictureOperating Instructions Control ButtonsDCR DDC-CI LED IndicatorOSD Status LED ColorFactory Preset Display Modes Input/Output SpecificationInput Signal Connector Pin Number Pin Side of the Signal CableM190MWW3 Panel SpecificationDisplay Characteristics TPM190A1Optical Characteristics M190MWW3 TPM190A1Back Light Unit Electrical CharacteristicsTFT LCD Module LCD Color Monitor AOC 919Swa Block Diagram Software Flow ChatRemark Flash Memory Electric Block DiagramMain Board DDC1SDA DDC1SCL Eeprom M24C02-WMN6TPInverter / Power Board AudioSchematic Main BoardLCD Color Monitor AOC 919Swa Output R438 OHM 2W Power Board Power 8XFMRGND 1 009G6005 IC with Heat-sink90G6295-3 PCB Layout LCD Color Monitor AOC 919Swa Power Board LCD Color Monitor AOC 919Swa Key Board Maintainability Equipments and Tools RequirementTrouble Shooting No powerNo picture LED orange White Screen OK NGPower Board LED No Backlight Key Board White- Balance, Luminance Adjustment LCD Color Monitor AOC 919Swa Monitor Exploded View Description BOM List Location Description RemarkCbpc Label ConnectorPW9941LHD1SMT Power Board for SMT HS1 SUB 15PIN Vertical Conn with ScrewPMBS3906/PHILIPS-SMT06 IC AP1117E18LA SOT223-3L AnachipIC M24C04-WMN6TP SO8 KEC 2N3904S-RTK/PSRST Chip 390R 1/16W 5% Fenghua Chip Bead 300OHM Chip 22PF 50V NPOChip Bead OHM BeadRST Chipr 5.1K FET FDS8958A SO-8RST Chip MAX 1ST ChiprNPO RST Chipr MAX0R05 4A 1/4W FenghuaRST Chipr X7RJumper Wire RLZ 5.6B Llds PW9941LHD1AI Power Board for AITact Switch 2PIN Diode LBAV70LT1G SOT-23 LRCPower Board PCB