Service Mode List - Sharp LC-20S5E-BK Service Manual

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 and on the remote
control for more than the standard time in the appropriate condition. (See below chart.)
Set
Set Key
Condition
VOL. DOWN
TV mode
(Minimum)
VOL. DOWN
TV mode
(Minimum)
VOL. DOWN
TV mode
(Minimum)
VOL. DOWN
ALL mode
(Minimum)
CONFIRMATION OF POWER ON TOTAL HOURS
POWER ON total hours 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".
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 (6) on the remote control for more than 2 seconds.
4. After the confirmation of POWER ON total hours, turn off the power.

SERVICE MODE LIST

Remocon Standard
Key Time
1 2 sec.
2 2 sec.
6 2 sec.
9 2 sec.
ADDRESS DATA
OEC7162A-083
INIT 0000 F8
LCD ON 0000
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.
Check of the SUM DATA and MICON VERSION on the screen.
Refer to the "WHEN REPLACING EEPROM (MEMORY) IC".
POWER ON total hours are displayed on the screen.
Refer to the "PREVENTIVE CHECKS AND SERVICE INTERVALS"
(CONFIRMATION OF HOURS USED).
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).
MICON Version
Initial setting content of MEMORY IC.
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)
C-1
Operations