Service manual

C2-1
SERVICE MODE LIST
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 in the appropriate condition. (See below chart.)
In case of the main unit and remote control, press the remote control buttons first, then press the main unit buttons.
Set Key
Operations
Remocon
Key
Standard
Time
Tray cannot be opened.
Refer to the “TRAY LOCK”.
NOTE:
STOP 0 2 sec.
No indications on the screen when the Tray Lock is setting.
The function will only work without the setting of DVD disc
at DVD mode.
Set
Condition
DVD mode
(STOP)
Initialization of the factory on DVD.
NOTE: Do not use this for the normal servicing.
STOP 6 2 sec.
DVD mode
(No disc)
Releasing of PARENTAL LOCK.
Refer to the “PARENTAL CONTROL - RATING LEVEL”.
STOP 7 2 sec.
DVD mode
(No disc)
Region setting.
Refer to the “WHEN REPLACING NEW DVD LOADER”.
STOP 8 2 sec.
DVD mode
(STOP)
DVD Write mode.
Refer to the “RE-WRITE FOR DVD FIRMWARE”.
STOP 2 2 sec.
DVD mode
(No disc)
Set Key Operations
CH UP
PLAY/REC total hours are displayed on the TV Monitor.
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”.
Set Key
FF 2 sec.
CH UP PLAY 2 sec.
Initialization of the factory on VCR.
NOTE:
If you set a factory initialization, the memories are reset
such as the clock setting, the channel setting, and PLAY/
REC total hours.
Standard
Time
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.
CH UP CH DOWN 2 sec.
CH UP REC 2 sec.
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"
Adjust the PG SHIFTER automatically.
Refer to the “ELECTRICAL ADJUSTMENT”.
VCR/DVD REC 2 sec.
Set
Condition
VCR mode
VCR mode
(Playback)
VCR mode
VCR mode
(Playback)
Power On
CH DOWN POWER 2 sec.
VCR operation mode at no connection of DVD.
Refer to the “PREPARATION FOR SERVICING”
NOTE:
Although the DVD is connected, the DVD mode cannot be
selected.
Power Off
Information screen displayed on the TV Monitor.
Refer to the “WHEN REPLACING NEW DVD LOADER”.
CH DOWN VCR/DVD 2 sec.
Power On