C-1
SERVICE MODE LIST
This unit is provided with the following SERVICE MODES so you can repair, examine and adjust easily.
To enter to the SERVICE MODE function, press and hold both buttons simultaneously on the main unit or on the main unit
and on the remote control for more than a standard time in the appropriate condition. (See below chart.)
In case of the main unit and remote control, press the remote control buttons first, then press the main unit buttons.
ADDRESS
DATA
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)
1.
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 (8) on the remote control for more than 2 seconds.
After the confirmation of each check sum, POWER ON total hours, Digital TV MICON Firmware and MICON VERSION,
turn off the power.
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:
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.
FIG. 1
CRT ON 0000
OEC7174A_23
DTV CTT71222
INIT
2483
ROM:
43EB
MICON Version
Initial setting data check sum.
Rom correction data check sum.
Digital TV MICON Firmware
CONFIRMATION OF CHECK SUM, POWER ON TOTAL HOURS, MICON VERSION AND
DIGITAL TV MICON FIRMWARE VERSION
Releasing of V-CHIP PASSWORD.
Initialization of factory TV data.
NOTE: If you set factory initialization, the memories are reset such as
the channel setting, and the POWER ON total hours.
Set Key
Operations
VOL. DOWN
(Minimum)
Remocon
Key
0
2 sec.
VOL. DOWN
(Minimum)
1
2 sec.
Standard
Time
Set
Condition
POWER ON
POWER ON
Can be checked of the INITIAL DATA of MEMORY IC.
Refer to the "WHEN REPLACING EEPROM (MEMORY) IC".
VOL. DOWN
(Minimum)
6
2 sec.
VOL. DOWN
(Minimum)
9
2 sec.
POWER ON
POWER ON
Display of the Adjustment MENU on the screen.
Refer to the "ELECTRICAL ADJUSTMENT" (On-Screen Display
Adjustment).
Check of the SUM DATA, MICON VERSION, POWER ON total hours
and Digital TV MICON Firmware on the screen.
Refer to the "WHEN REPLACING EEPROM (MEMORY) IC".
VOL. DOWN
(Minimum)
2 sec.
POWER ON
8
NOTE: The each item value might be different according to each set.