Toshiba 14N21ES Servis Kılavuzu - Sayfa 12

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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 for more than 2 seconds.

Remocon Key

Set Key

VOL. (-) MIN

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".

Set the VOLUME to minimum.

Press both VOL. DOWN button on the set and Channel

button (6) on the remote control for more than 2 second.

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

SERVICE MODE LIST

Reset the user setting items (PICTURE, VOLUME and LANGUAGE) to the initial state

for delivery.

Initialization of the factory.

NOTE: Do not use this for the normal servicing.

If you set a factory initialization, the memories are reset such as the

channel setting, and the POWER ON total hours.

POWER ON total hours is displayed on the screen.

Refer to the "CONFIRMATION OF HOURS USED".

Can be checked of the INITIAL DATA of MEMORY IC.

Refer to the "WHEN REPLACING EEPROM (MEMORY) IC".

Writing of EEPROM initial data.

NOTE: 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).

Operations

ADDRESS DATA

INIT

CRT ON 0010

FIG. 1

C-1

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)