HP LC3260N manual When Replacing Eeprom Memory IC, Confirmation of Initial Data

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WHEN REPLACING EEPROM (MEMORY) IC

CONFIRMATION OF CHECK SUM, POWER ON TOTAL HOURS, MICON VERSION AND DIGITAL TV MICON FIRMWARE

Initial total of MEMORY IC, POWER ON total hours, MICON VERSION and Digital TV MICON Firmware can be checked on the screen. Total hours are displayed in 16 system of notation.

NOTE: If you set a factory initialization, the total hours is reset to "0".

Please refer to "CONFIRMATION OF INITIAL DATA" when SUM DATA is not corresponding.

1.Turn on the POWER, and set to the TV mode.

2.Set the VOLUME to minimum.

3.Press both VOL. DOWN button on the set and Channel button (8) on the remote control for more than 2 seconds.

4.After the confirmation of each check sum, POWER ON total hours, MICON VERSION and Digital TV MICON Firmware, turn off the power.

*1 DVP1 is different according to each set.

MICON Version

Digital TV MICON Firmware

INIT : C80F

ROM : 0000

ADC : 8F97

DVP1 : F8B4 *1

DVP2 : 32A1

LCD ON 0000 OEC7154A_036

DTV d-l62155

Initial setting data check sum.

Rom correction data check sum.

AD CONVERTER data check sum.

SCALER data check sum.

POWER ON total hours.

=(16 x 16 x 16 x thousands digit value) + (16 x 16 x hundreds digit value)

+ (16 x tens digit value) + (ones digit value)

FIG. 1

CONFIRMATION OF INITIAL DATA

If a service repair is undertaken where it has been required to change the MEMORY IC, the following steps should be taken to ensure correct data settings while making reference to INITIAL SETTING TABLE (Attached "INITIAL DATA").

1.Turn on the POWER, and set to the TV mode.

2.Set the VOLUME to minimum.

3.Press both VOL. DOWN button on the set and Channel button ADDRESS and DATA should appear as FIG 2.

(6)on the remote control for more than 2 seconds.

ADDRESS DATA

INIT 0000 B4

LCD ON 0000

OEC7154A_036

DTV d-l62155

FIG. 2

4.ADDRESS is now selected and should "blink". Using the UP/DOWN buton on the remote, step through the ADDRESS until required ADDRESS to be changed is reached.

5.Press RIGHT/LEFT button to select DATA. When DATA is selected, it will "blink".

6.Again, step through the DATA using UP/DOWN button until required DATA value has been selected.

7.Pressing RIGHT/LEFT button will take you back to ADDRESS for further selection if necessary.

8.Repeat steps 4 to 6 until all data has been checked.

9.When satisfied correct DATA has been entered, turn POWER off (return to STANDBY MODE) to finish DATA input.

After the data input, set to the initializing of shipping.

10.Turn POWER on.

11.Press both VOL. DOWN button on the set and Channel button (1) on the remote control for more than 2 seconds.

12.After the finishing of the initializing of shipping, the unit will turn off automatically.

The unit will now have the correct DATA for the new MEMORY IC.

C-2

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Contents Model Servicing Notices on Checking HOW to Order PartsAbout Lead Free Solder PbF Contents System General SpecificationsA3-2 A3-3 A3-4 A3-5 Removal and Installation of Flat Package IC Disassembly InstructionsInstallation Set Set Key Remocon Standard Operations Condition Time Service Mode ListConfirmation of Initial Data When Replacing Eeprom Memory ICRE-WRITE for Digital Soft Firmware Adjustment Procedure Electrical AdjustmentsConfirmation of Fixed Value Step No Electrical Adjustment Parts Location Guide Wiring Connection Troubleshooting Guide Pins 1, 2, 3, 4 Picture does not Appear Is There Signal Picture APPEARS, but the Audio does not Appear CD3806 5V ? YES Is There Signal On Screen Display does Not Appear Digital RGB Interface Ddvs Converter AV SWITCH2/STEREO/SOUND AMP Block Diagram TUNER/DIGITAL/POWER Block Diagram Interface Block Diagram MICON2 Block Diagram CMF080A Printed Circuit Boards AV TOP SidePrinted Circuit Boards AV Bottom Side Printed Circuit Boards Scaler TOP Side Printed Circuit Boards Scaler Bottom Side Digital Bottom Side Printed Circuit Boards Digital TOP SideSolder Side CEF185A Printed Circuit Boards POWER/OPERATION Chip Mounted PartsAV SWITCH2 Schematic Diagram Level Shift AT+5V MuteSWYUV1/2 PSU5VD/DSR/LIGHTCTL PCBD20AV Jack Schematic Diagram Stereo Schematic Diagram Sound AMP/HEADPHONE AMP Schematic Diagram Power Schematic Diagram Extmute Swspdif AV JACK2 Schematic DiagramCoaxial Jack CON+5V Tuner Schematic Diagram Stereoreset HDMI/DVI COMPONENT/HDMI KEY-A KEY-B ScalerresetDVS 3DY/CRESET AFT1LOW 3DY/CRESET AFT2HIGH LcdonScaler Schematic Diagram ADC1 Schematic Diagram Lvds Schematic Diagram Jack Schematic Diagram AV SWITCH1 Schematic Diagram Regulator Schematic Diagram Interfacehdmi IC Schematic Diagram Hdmi MICON2 Schematic Diagram Asic Schematic Diagram Sdram Schematic Diagram NFIO7 NFIO6 NFIO5 NFIO4 NFIO3 NFIO2 NFIO1 NFIO0 To Asic Dtvreset From POWER2Nfcle FclkFront END Schematic Diagram DTV Reset DTV Power FROM/TO Firm UpdateAFT DTV Reset DTV ON-H Spdif Outa Tunersda AF3 TwiretxdcPOWER2 Schematic Diagram IC508 5VREGULATORPOWERFAIL LCD-H PowerswctlFROM/TO AC Inlet Chassis GNDOPERATION/REMOCON Schematic Diagram Power ON-H GND Power PCBDtunerresetl SwitchvideocWaveforms ADC1 AV OUT Mechanical Exploded View PCBDH0 Mechanical Replacement Parts List Electrical Replacement Parts List SPEC.NO

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