Atr Button; Service Mode List - Toshiba SD-V280UA 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).
Set Key Set Key
CH UP FF
CH UP STOP
CH UP PLAY
CH DOWN POWER
Set Key Remocon Key
REC 4
REC 6
STOP 1
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)
PLAY/REC total hours are displayed on the screen.
Refer to the "PREVENTIVE CHECKS AND SERVICE INTERVALS"
(CONFIRMATION OF HOURS USED).
2
Can be checked of the INITIAL DATA of MEMORY IC.
Refer to the "WHEN REPLACING EEPROM (MEMORY) IC".
Adjust the PG SHIFTER automatically.
2
Refer to the "ELECTRICAL ADJUSTMENT" (PG SHIFTER).
Initialization of the factory on VCR.
NOTE: Do not use this for the normal servicing.
2
If you set a factory initialization, the memories are reset such as
the clock setting, the channel setting, and PLAY/REC total hours.
VCR operation mode at no connection of DVD.
2 Refer to the "PREPARATION FOR SERVICING"
NOTE: Although the DVD is connected, the DVD mode cannot be selected.
Standard Time
(seconds)
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
2
mode.
While pressing the Remocon Key for more than the Standard Time,
press the Set Key simultaneously.
DVD Write mode.
Refer to the "RE-WRITE FOR DVD FIRMWARE".
2
NOTE: Do not use this for the normal servicing.
The function will only work at the DVD stop mode.
Check for the firmware version.
Refer to the "RE-WRITE FOR DVD FIRMWARE".
3
NOTE: Do not use this for the normal servicing.
The function will only work at the DVD stop mode.
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"
Operations
Operations
Operations
C2-1