Tc 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. TC 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.
(3) Repeat the mode selection of EJECT to
PLAY two or three times. At that time,
confirm that the output level is the same as
the former level without change.
If the level changes, perform step 3.
Adjustment
3. TC 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.
When adjustment is performed

4. TC head position adjustment

(Refer to section 4-2-6.)
5. TC head height reconfirmation
Reconfirm the CTL head height according to
steps 1 and 2.
DNV-5
DNW-7/90/90WS
Height adjustment nut
AUX
(CH-2)
Specifications : The level decreases when
pressing down and pushing
up the alignment tape.
4-2-5. TC Head Height Adjustment
TC head
Alighnment tape
4-29