Service manual

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 simultaneously.
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 5 seconds before Power On.
C2-1
Method Operations
Press the ATR button on the
remote control for more than
2 seconds during PLAY.
Adjusting of the Tracking to the center position.
Refer to the “MECHANICAL ADJUSTMENT” (GUIDE ROLLER) and “ELECTRICAL
ADJUSTMENT” (PG SHIFTER).
SERVICE MODE LIST
Set Key Remocon Key Operations
Standard Time
(seconds)
VOL. (-) MIN
0
VOL. (-) MIN
3
VOL. (-) MIN 4
VOL. (-) MIN 2
VOL. (-) MIN 1
Releasing of V-CHIP PASSWORD.
Horizontal position adjustment of OSD.
NOTE: Also can be adjusted by using the Adjustment MENU.
Refer to the "ELECTRICAL ADJUSTMENT" (OSD HORIZONTAL).
Adjust the PG SHIFTER automatically.
Refer to the "ELECTRICAL ADJUSTMENT" (PG SHIFTER).
Adjust the PG SHIFTER manually.
Refer to the "ELECTRICAL ADJUSTMENT" (PG SHIFTER).
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 clock setting, the channel setting, the POWER ON total
hours, and PLAY/REC total hours.
2
2
2
2
2
VOL. (-) MIN FF 2
The BOT, EOT, and the Reel Sensor do not work and the VCR deck
can be operated without a cassette tape.
Refer to the "PREPARATION FOR SERVICING"
Set Key Set Key Operations
Standard Time
(seconds)
VOL. (-) MIN
6
POWER ON total hours and PLAY/REC 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".
2
VOL. (-) MIN 5
Adjusting of the Tracking to the center position.
NOTE:
2 Also can be adjusted by pressing the ATR button for more than
2 seconds during PLAY.
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.
STOP (DVD) 7 3
REC/OTR 4 2
Initialization of the factory on DVD.
NOTE: Do not use this for the normal servicing.
The function will only work without the setting of DVD disc at
DVD mode.
While pressing the Remocon Key for more than the Standard
Time, press the Set Key simultaneously.
VOL. (-) MIN 9
Display of the Adjustment MENU on the screen.
Refer to the "ELECTRICAL ADJUSTMENT" (On-Screen Display
Adjustment).
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