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This unit provided with the following SERVICE MODES so you can repair, examine and adjust easily.
To enter SERVICE MODE, Unplug AC cord till lost actual clock time. Then press and hold Vol (-) button of main unit and
remocon key for more than 2 seconds.
The both pressing of set key and remote control key will not be possible if clock has been set. To reset clock, either unplug
AC cord and allow at least 30 minutes before Power On or alternatively, discharge backup capacitor.
Set Key
Remocon Key
VOL. (-) MIN
1
VOL. (-) MIN
2
VOL. (-) MIN
3
VOL. (-) MIN
4
VOL. (-) MIN
5
VOL. (-) MIN
6
VOL. (-) MIN
8
VOL. (-) MIN
9
Method
Press the ATR button on the
remote control for more than
2 seconds during PLAY.
Make the short circuit between
the test point of SERVICE and
the GND.
SERVICE MODE LIST
Initialization of the factory.
NOTE: Do not use this for the normal servicing.
Reading of CHROMA DATA.
Refer to the "NOTE FOR THE REPLACING OF MEMORY IC" and "NOTE FOR THE
REPLACING OF CHROMA IC".
Adjust the PG SHIFTER automatically.
Refer to the "ELECTRICAL ADJUSTMENT" (PG SHIFTER).
Adjust the PG SHIFTER manually.
Refer to the "ELECTRICAL ADJUSTMENT" (PG SHIFTER).
The channel which is receiving by REC TUNER will appear on the screen.
NOTE: Turn off the power to return to the normal operation.
POWER ON total hours and PLAY/REC total hours are displayed on the screen.
Refer to the "PREVENTIVE CHECKS AND SERVICE INTERVALS" (CONFIRMATION
OF USING HOURS).
Can be checked of the INITIAL DATA of MEMORY IC.
Refer to the "NOTE FOR THE REPLACING OF 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).
Adjusting of the Tracking to the center position.
Refer to the "MECHANICAL ADJUSTMENT" (GUIDE ROLLER) and "ELECTRICAL
ADJUSTMENT" (PG SHIFTER).
The EOT/BOT/Reel sensor do not work at this moment.
Refer to the "PREPARATION FOR SERVICING"
C2-1
Operations
Operations
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