Toshiba MD9DM3 Service Manual page 25

2-12: SEPARATION
Please do the method (1) or method (2) adjustment.
Method (1)
1. Set the multi-sound signal generator for each different
L-ch and R-ch frequency (Ex. L-ch=2KHz, R-ch=400Hz)
and receive the RF signal.
2. Connect the oscilloscope to the Audio Out Jack.
3. Press the AUDIO button on the remote control to set to
the stereo mode.
4. Activate the adjustment mode display of Fig. 1-1 and
press the channel button (70) on the remote control to
select "SEPAL".
5. Press the RIGHT/LEFT button on the remote control to
adjust it until the audio output wave becomes a fine
sine wave.
6. Press the CH UP button 1 time to set to "SEPAH"
mode.
7. Press the RIGHT/LEFT button on the remote control to
adjust it until the audio output wave becomes a fine
sine wave.
Method (2)
1. Set the multi-sound signal generator L-ch=1KHz, R-ch
=Non input and receive the RF signal.
2. Connect the oscilloscope to the Audio Out Jack (R-ch).
3. Press the AUDIO button on the remote control to set to
the stereo mode.
4. Activate the adjustment mode display of Fig. 1-1 and
press the channel button (70) on the remote control to
select "SEPAL".
5. Press the RIGHT/LEFT button on the remote control to
adjust it until the R-ch output becomes minimum.
6. Press the CH UP button 1 time to set to "SEPAH" mode.
7. Press the RIGHT/LEFT button on the remote control to
adjust it until the R-ch output becomes minimum.
8. Set the multi-sound signal generator L-ch=Non input,
R-ch=1KHz and receive the RF signal.
9. Connect the oscilloscope to the Audio Out Jack (L-ch).
Then perform the above adjustments 3~7.
ELECTRICAL ADJUSTMENTS
D-3
2-13: SUB BRIGHT CENTER
1. Receive the monoscope pattern. (RF Input)
2.
Using the remote control, set the brightness and
contrast to normal position.
3.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (06) on the remote control to
select "BRTC".
4. Press the RIGHT/LEFT button on the remote control to
adjust to the point just before the white 5% begin to
shine.
5.
Receive the monoscope pattern. (Audio Video Input)
6.
Press the INPUT SELECT button on the remote control
to set to the AV mode.
7. Using the remote control, set the brightness and
contrast to normal position.
8.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (37) on the remote control to
select "BRTCA".
9. Press the RIGHT/LEFT button on the remote control to
adjust to the point just before the white 5% begin to
shine.
10.
Press the TV/DVD button on the remote control to set to
the DVD mode.
11.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (49) on the remote control to
select "BRTCD".
12. Press the RIGHT/LEFT button on the remote control to
set the same step numbers as the AV.
13.
Press the GAME button on the remote control to set to
the GAME mode.
14.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (61) on the remote control to
select "BRTCG".
15. Press the RIGHT/LEFT button on the remote control to
decrease the step numbers by 16 steps to the AV.