Read Sharp LC-20SD4E (serv.man2) Service Manual online
C-2
CONFIRMATION OF CHECK SUM, MICON VERSION AND DIGITAL TV MICON FIRMWARE
Initial total of MEMORY IC, MICON VERSION and Digital TV MICON Firmware can be checked on the screen. Total hours
are displayed in 16 system of notation.
are displayed in 16 system of notation.
NOTE:
Initial setting data check sum.
MICON Version
AD CONVERTER data check sum.
WHEN REPLACING EEPROM (MEMORY) IC
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.
Please refer to "CONFIRMATION OF INITIAL DATA" when SUM DATA is not corresponding.
4.
5.
6.
7.
8.
9.
6.
7.
8.
9.
10.
11.
12.
The unit will now have the correct DATA for the new MEMORY IC.
11.
12.
The unit will now have the correct DATA for the new MEMORY IC.
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.
Press RIGHT/LEFT button to select DATA. When DATA is selected, it will "blink".
Again, step through the DATA using UP/DOWN button until required DATA value has been selected.
Pressing RIGHT/LEFT button will take you back to ADDRESS for further selection if necessary.
Repeat steps 4 to 6 until all data has been checked.
When satisfied correct DATA has been entered, turn POWER off (return to STANDBY MODE) to finish DATA input.
until required ADDRESS to be changed is reached.
Press RIGHT/LEFT button to select DATA. When DATA is selected, it will "blink".
Again, step through the DATA using UP/DOWN button until required DATA value has been selected.
Pressing RIGHT/LEFT button will take you back to ADDRESS for further selection if necessary.
Repeat steps 4 to 6 until all data has been checked.
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.
Turn POWER on.
Press both VOL. DOWN button on the set and Channel button (1) on the remote control for more than 2 seconds.
After the finishing of the initializing of shipping, the unit will turn off automatically.
Turn POWER on.
Press both VOL. DOWN button on the set and Channel button (1) on the remote control for more than 2 seconds.
After the finishing of the initializing of shipping, the unit will turn off automatically.
ADDRESS
DATA
OEC7162A-083
INIT 0000 F8
LCD ON 0000
FIG. 2
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").
ensure correct data settings while making reference to INITIAL SETTING TABLE (Attached "INITIAL DATA").
1.
2.
3.
2.
3.
Turn on the POWER, and set to the TV mode.
Set the VOLUME to minimum.
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.
Set the VOLUME to minimum.
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.
CONFIRMATION OF INITIAL DATA
1.
2.
3.
4.
2.
3.
4.
Turn on the POWER, and set to the TV mode.
Set the VOLUME to minimum.
Press both VOL. DOWN button on the set and Channel button (2) on the remote control for more than 2 seconds.
After the confirmation of MICON VERSION and Digital TV MICON Firmware, turn off the power.
ADDRESS and DATA should appear as FIG 1.
Set the VOLUME to minimum.
Press both VOL. DOWN button on the set and Channel button (2) on the remote control for more than 2 seconds.
After the confirmation of MICON VERSION and Digital TV MICON Firmware, turn off the power.
ADDRESS and DATA should appear as FIG 1.
*1 DVP1 is different according to each set.
Rom correction data check sum.
SCALER data check sum.
Version
Hardware version
Software version
Software version
OEC7162A-083
INIT: 6A10
ADC: 0000
INIT: 6A10
ADC: 0000
2.0
ADDD0400-A
[PRE-PRODUCTION]
ADDD0400-A
[PRE-PRODUCTION]
ROM: 7E5F
DVP: 1F84 *1
DVP: 1F84 *1
Firmware Version
FIG. 1
Click on the first or last page to see other LC-20SD4E (serv.man2) service manuals if exist.