Service Mode List - Toshiba VTW2186 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
Set Key
Condition
VOL. DOWN
TV mode
(Minimum)
VOL. DOWN
TV mode
(Minimum)
VCR mode VOL. DOWN
(Minimum)
(Playback)
VCR mode VOL. DOWN
(Playback) (Minimum)
VCR mode VOL. DOWN
(Playback) (Minimum)
VOL. DOWN
TV mode
(Minimum)
VOL. DOWN
TV mode
(Minimum)
VOL. DOWN
TV mode
(Minimum)
VOL. DOWN
ALL mode
(Minimum)
DVD mode
REC/OTR
(No disc)
DVD mode
STOP (DVD)
(No disc)
DVD mode
STOP (DVD)
(Stop)
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

Remocon Standard
Key Time
1 2 sec.
2 2 sec.
3 2 sec.
4 2 sec.
5 2 sec.
6 2 sec.
7 2 sec.
8 2 sec.
9 2 sec.
4 2 sec.
7 3 sec.
9 3 sec.
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 on TV.
NOTE: Do not use this for the normal servicing.
If you set a factory initialization, the memories are reset
such as the channel setting, 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.
NOTE: Also can be adjusted by pressing the ATR button for more
than 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.
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