1-6-8
T6552EA
14. Head Switching Position Adjustment
Purpose:
Determine the Head Switching Position dur-
ing Playback.
Symptom of Misadjustment:
May cause Head
Switching Noise or Vertical Jitter in the picture.
Note:
Unit reads Head Switching Position automati-
cally and displays it on the screen (Upper Left Corner).
Manual Adjustment
1. Enter the service mode. (See page 1-6-10.)
2. Playback the test tape (9965 000 14514).
3. Press the number [5] button on the remote control
unit.
4. The Head Switching position will display on the
screen; if adjustment is necessary follow step 4.
7.0H (448
µ
s) is preferable.
5. Press [P+/P-] buttons on the remote control unit if
necessary. The value will be changed in 0.5H steps
up or down. Adjustable range is up to 9.5H. If the
value is beyond adjustable range, the display will
change as:
Lower out of range: 0.0H
Upper out of range: -.-H
6. Turn the power off and on again.
Auto Adjustment
1. Load the test tape (9965 000 14514) that have
been recorded the Head Switching Position Value.
2. Enter the service mode.
3. Press [3] button on the remote control unit in the
tape stop mode. The unit playback and adjust the
Head Switching Position automatically.
4. The adjusting report appears on upper left corner
of the screen with blueback.
In case of adjusting correctly: the Head Switching
Position Value recorded in the test tape (9965 000
14514) is indicated with green.
In case of adjusting incorrectly: "NG" (red) is indi-
cated with ejecting tape.
l
NG
Incorrect
7.0H
Correct
TVCR
TVCR
Fig. 7
