Service Mode List - Toshiba MW20F52 Service Manual

This unit is provided with the following SERVICE MODES so you can repair, examine and adjust easily.
To enter to the 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.
Set Key Remocon Key
VOL. (-) MIN
VOL. (-) MIN
VOL. (-) MIN
VOL. (-) MIN
VOL. (-) MIN 5
VOL. (-) MIN
VOL. (-) MIN 9
REC/OTR
STOP (DVD) 7
STOP (DVD)
Set Key Set Key
VOL. (-) MIN FF
Method
Press the following remocon keys
continuously.
SETUP SUBTITLE
AUDIO 0

SERVICE MODE LIST

Standard Time
(seconds)
0
2
2
1
3 2
4 2
2
6 2
2
4 2
3
9 3
Standard Time
(seconds)
2
Tray cannot be opened.
Refer to the "TRAY LOCK".
3
Releasing of V-CHIP PASSWORD.
Initialization of factory data.
NOTE: Do not use this for normal servicing.
If you set factory initialization, the memories are reset such as
the channel setting, the POWER ON total hours, and PLAY/
REC total hours.
Adjust the PG SHIFTER automatically.
Refer to the "ELECTRICAL ADJUSTMENT" (PG SHIFTER).
Adjust the PG SHIFTER manually.
Refer to the "ELECTRICAL ADJUSTMENT" (PG SHIFTER).
Adjusting of the Tracking to the center position.
Also can be adjusted by pressing the ATR button for more than
NOTE:
2 seconds during PLAY.
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".
Display of the Adjustment MENU on the screen.
Refer to the "ELECTRICAL ADJUSTMENT" (On-Screen Display
Adjustment).
Initialization of factory DVD data.
NOTE: Do not use this for normal servicing.
While pressing the Remocon Key for more than the Standard
Time, press the Set Key simultaneously.
Releasing of PARENTAL LOCK.
Refer to the "PARENTAL CONTROL - RATING LEVEL".
Tray cannot be opened.
Refer to the "TRAY LOCK"
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"
Operations
C2-1
Operations
Operations