Service Mode List - Toshiba VTW2185 Service Manual

This unit 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 or on the main unit
and on the remote control for more than a standard time (second).
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
3
VOL. (-) MIN
VOL. (-) MIN 4
VOL. (-) MIN
5
VOL. (-) MIN 6
VOL. (-) MIN 7
VOL. (-) MIN 8
VOL. (-) MIN 9
REC/OTR
STOP (DVD)
STOP (DVD) 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

Standard Time
(seconds)
2
2
2
2
2
2
2
2
2
4 2
7 3
3
Adjusting of the Tracking to the center position.
Refer to the "MECHANICAL ADJUSTMENT" (GUIDE ROLLER) and "ELECTRICAL
ADJUSTMENT" (PG SHIFTER).
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"
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.
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).
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 USING HOURS).
Can be checked of the INITIAL DATA of MEMORY IC.
Refer to the "WHEN REPLACING EEPROM (MEMORY) IC".
Releasing of PROTECTION PASSWORD.
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).
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.
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.
Operations
C2-1
Operations