Toshiba 32D46 Service Manual Supplement page 20

CONFIRMATION OF CHECK SUM, POWER ON TOTAL HOURS, MICON VERSION AND
DIGITAL TV MICON FIRMWARE VERSION
Initial total of MEMORY IC, POWER ON total hours, MICON VERSION and Digital TV MICON Firmware VERSION 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.
Turn on the POWER, and set to the TV mode.
1.
Set the VOLUME to minimum.
2.
Press both VOL. DOWN button on the set and Channel button (8) on the remote control for more than 2 seconds.
3.
After the confirmation of each check sum, power on total hours, micon version and Digital TV MICON Firmware version,
4.
turn off the power.
Digital TV MICON Firmware
Initial setting data check sum.
Rom correction data check sum.
AUDIO External terminal Volume.
WHEN REPLACING EEPROM (MEMORY) IC
MICON Version
CRT ON 0000
OEC7144C_005
DTV d-a65251
INIT : 0CDE
ROM : 0000
VOLUME : 3096
FIG. 1
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)