Service Mode List; When Replacing Eeprom (Memory) Ic - Toshiba 30DF56 Service Manual

This unit is provided with the following SERVICE MODES so you can repair, examine and adjust easily.
To enter the Service Mode, press both set key and remote control key for more than 2 seconds.
Set Key Remocon Key
0
VOL. (-) MIN
VOL. (-) MIN 1
VOL. (-) MIN 8
VOL. (-) MIN 6
VOL. (-) MIN 9
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.
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 version,
turn off the power.
Digital TV MICON Firmware
Initial setting data check sum.
Rom correction data check sum.
AUDIO External terminal Volume.

SERVICE MODE LIST

Releasing of V-CHIP PASSWORD.
Initialization of factory data.
NOTE: Do not use this for normal servicing.
If you set factory initialization, the memories are reset such as the channel
setting, and the POWER ON total hours.
Check of the SUM DATA and MICON VERSION on the screen.
Refer to the "WHEN REPLACING EEPROM (MEMORY) IC".
Check for the firmware version.
Can be checked of the INITIAL DATA of MEMORY IC.
Refer to the "WHEN REPLACING EEPROM (MEMORY) IC".
Display of the Adjustment MENU on the screen.
Refer to the "ELECTRICAL ADJUSTMENT" (On-Screen Display Adjustment).

WHEN REPLACING EEPROM (MEMORY) IC

MICON Version
Operations
CRT ON 0000 POWER ON total hours.
OEC7161a_024
DTV d-W64111
INIT 17A1
ROM: -6AD1
VOLUME: 2F3A
FIG. 1
C-1
= (16 x 16 x 16 x thousands digit value)
+ (16 x 16 x hundreds digit value)
+ (16 x tens digit value)
+ (ones digit value)