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AV-20FD22
This unit 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.
Press both the VOL. key and remocon keys simultaneously for more than 1 second.
Press both the STOP key and remocon keys simultaneously for more than 3 seconds.
Set Key
Remocon Key
VOL. (-) MIN
0
VOL. (-) MIN
1
VOL. (-) MIN
3
6
VOL. (-) MIN
VOL. (-) MIN
8
VOL. (-) MIN
9
STOP
7
STOP
9
POWER ON total hours can be checked on the screen. Total hours are displayed in 16 system of notation.
1.
Set the VOLUME to minimum.
2.
Press both VOL. DOWN button on the set and Channel
button (6) on the remote control for more than 1 second.
3.
After the confirmation of using hours, turn off the power.
10
SERVICE MODE LIST
Releasing of V-CHIP PASSWORD.
Initialization of the factory on TV.
NOTE: No operation at DVD mode.
Do not use this for the normal servicing.
Initialization of the factory on DVD.
NOTE: The operation will work only with STOP mode at DVD mode.
Do not use this for the normal servicing.
POWER ON total hours are displayed on the screen.
Refer to the "CONFIRMATION OF USING HOURS".
NOTE: No operation at DVD mode.
Can be checked of the INITIAL DATA of MEMORY IC on TV.
Refer to the "NOTE FOR THE REPLACING OF MEMORY IC".
NOTE: No operation at DVD mode.
Writing of EEPROM initial data on TV.
NOTE: No operation at DVD mode.
Do not use this for the normal servicing.
Display of the Adjustment MENU on the screen.
Refer to the "ELECTRICAL ADJUSTMENT" (On-Screen Display Adjustment).
Releasing of PARENTAL LOCK.
NOTE: The operation will work only with STOP mode at DVD mode.
Self-Diagnosis will operate.
Refer to the "SELF-DIAGNOSIS"
CONFIRMATION OF USING HOURS
Operations
ADDRESS
DATA
Initial setting content of MEMORY IC.
INIT
00
83
0010
CRT ON
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)
FIG. 1
+ (ones digit value)
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Troubleshooting
