Sanyo DP19649 Service Manual

Also see for DP19649 - 720p 18.5" LCD HDTV: Owner's manual Setup guide Owner's manual Service manual Service manual

Contents

WHEN REPLACING EEPROM (MEMORY) ICC-2CONFIRMATION OF CHECK SUM, POWER ON TOTAL HOURS AND MICON VERSIONInitial total of MEMORY IC, POWER ON total hours and MICON VERSION can be checked on the screen. Total hours aredisplayed 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 ALL 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, turn off the power.NOTE: The each item value might be different according to each set.CHECK SUM : 50FC Initial setting data check sum.LCD PWR ON : 0000 POWER ON total hours.= (16 x 16 x 16 x thousands digit value)+ (16 x 16 x hundreds digit value)Main Micon check Version. DTV : CA1BI93281 + (16 x tens digit value)EEPROM check Version. EEPROM : K39A08WM00 + (ones digit value)Parameter check Picture Quality. QUALITY : A06I.21(090501 15:43:19)Parameter check Picture Size. SCALING : A06I.31(090417 14:27:53)FIG. 1CONFIRMATION OF INITIAL DATAIf a service repair is undertaken where it has been required to change the MEMORY IC, the following steps should be takento ensure correct data settings while making reference to INITIAL SETTING TABLE (Attached "INITIAL DATA").1. Turn on the POWER, and set to the ALL mode.2. Set the VOLUME to minimum.3. Press both VOL. DOWN button on the set and Channel button (6) on the remote control for more than 2 seconds.3. Press both VOL. DOWN button on the set and Channel button (6) on the remote control for more than 2 seconds.ADDRESS and DATA should appear as FIG 2.NOTE: No need to set data other position than 0D00~0EFF.ADDRESS DATAINIT : 0001 0090DTV : CA1BI93281DTV : CA1BI93281EEPROM : K39A08WM004. ADDRESS is now selected and should "blink". Using the CH. UP/DOWN buton on the remote, step through the ADDRESSuntil required ADDRESS to be changed is reached.5. Press VOL. UP/DOWN button to select DATA. When DATA is selected, it will "blink".6 Again step through the DATA using CH UP/DOWN button until required DATA value has been selectedFIG. 26. Again, step through the DATA using CH. UP/DOWN button until required DATA value has been selected.7. Pressing VOL. UP/DOWN 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 on the Power.11. Set the VOLUME to minimum.12. Press both VOL. DOWN button on the set and Channel button (1) on the remote control for more than 2 seconds.13. 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