Ctl Head Position Adjustment - Sony Betacam SX DNV-5 Maintenance Manual

Confirmations
1. Alignment tape playback
Play back the tape top portion (01:00 to 15:00) of
the alignment tape SR2-1/1P.
2. CTL head height confirmation
(1) Press down portion A on the tape shown in
the figure by a skewer. At that time, confirm
that the level decreases.
If the level increases, perform step 3.
(2) Press up portion B on the tape shown in the
figure by a skewer. At that time, confirm that
the level decreases.
If the level increases, perform step 3.
Adjustment
3. CTL head height adjustment
If the level increases when the tape is pressed
down;
Turn the height adjustment nut counterclockwise
and adjust so that the output waveform is maxi-
mum.
If the level increases when the tape is pushed up;
Turn the height adjustment nut clockwise and
adjust so that the output waveform is maximum.
4. CTL head height reconfirmation
Reconfirm the CTL head height according to
steps 1 and 2.
When adjustment is performed

5. CTL head position adjustment

(Refer to section 4-2-4.)
6. TC head position adjustment
(Refer to section 4-2-6.)
DNV-5
DNW-7/90/90WS
CTL head
B
Tape cleaner
FE head
Level decreases
Specifications :
The level decreases when press down
and press up the alighnment tape.
4-2-3. CTL Head Height Adjustment
Height adjustment nut
A
CTL head
A
B
4-25