14DLV75 14-inch LCD TV/DVD COMBINATION SERVICE MANUAL

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14DLV75 14-inch LCD TV/DVD COMBINATION SERVICE MANUAL | Manualzz

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 and on the remote control for more than the standard time in the appropriate condition. (See below chart.)

Set

Condition

Set Key

Remocon

Key

Standard

Time

Operations

TV mode

VOL. DOWN

(Minimum)

0 1 sec.

Releasing of V-CHIP PASSWORD.

TV mode

DVD mode

(No disc)

DVD mode

(No disc)

DVD mode

(Stop)

VOL. DOWN

(Minimum)

VOL. DOWN

(Minimum)

VOL. DOWN

(Minimum)

STOP

1

4

5

1

1 sec.

1 sec.

1 sec.

3 sec.

Initialization of factory data.

NOTE: If you set factory initialization, the memories are reset such as the channel setting, and the POWER ON total hours.

Initialization of factory DVD data.

NOTE: The function will only work without the setting of DVD disc at

DVD mode.

DVD Write mode.

Refer to the “RE-WRITE FOR DVD FIRMWARE”.

NOTE: The function will only work without the setting of DVD disc at

DVD mode.

Check for the firmware version.

Refer to the “RE-WRITE FOR DVD FIRMWARE”.

NOTE: Do not use this for the normal servicing.

TV mode

VOL. DOWN

(Minimum)

6 1 sec.

POWER ON total hours are displayed on the screen.

Refer to the "PREVENTIVE CHECKS AND SERVICE INTERVALS"

(CONFIRMATION OF HOURS USED).

ALL mode

DVD mode

(No disc)

DVD mode

(STOP)

VOL. DOWN

(Minimum)

STOP

STOP

9

7

9

1 sec.

3 sec.

3 sec.

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).

Releasing of PARENTAL LOCK.

Refer to the “PARENTAL CONTROL - RATING LEVEL”.

NOTE: The function will only work without the setting of DVD disc at

DVD mode.

Tray cannot be opened.

Refer to the “TRAY LOCK”.

NOTE: No indications on the screen when the Tray Lock is setting.

CONFIRMATION OF HOURS USED

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".

ADDRESS DATA

1.

2.

Turn on the POWER, and set to the TV mode.

Set the VOLUME to minimum.

3.

Press both VOL. DOWN button on the set and Channel

4.

button (6) on the remote control for more than 1 second.

After the confirmation of using hours, turn off the power.

INIT 00 25

LCD ON 0010

Initial setting content of MEMORY IC.

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)

C-1

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