Sony DNW-A100 Maintenance Manual page 490

7-1-5. CTL Head Position Check and Adjustment
Adjustment
n
Perform the adjustment described below under
the state of the tracking is not effective.
8. Loosen the Screw
Loosen the securing screw of the CTL/FE head
assembly by 1/4 to 1/2 turn.
9. Adjust the CTL Head Position
(1) Insert a 3 mm flatbladed screwdriver into the
notch of the CTL/FE head assembly.
(2) Adjust the CTL/FE head assembly position
so that the output level at the center portion is
maximum and the marker exists in the RF
envelope waveform that comes 15 ms later
than the rising edge of the SS GOP signal.
10. Tighten the Screw
Tighten the screw loosened in step 8.
_2
Tightening torque: 98 x 10
{10.0 kgf . cm}
11. Recheck the CTL Head Position
Perform to steps 5 through 7 again.
In Case the Adjustment is Performed
12. Adjust the AT Head Position
Refer to Section 7-1-9.
13. Locking Compound Applying
Refer to Section 7-1.
7-30
. Alignment tape : SR2-1/SR2-1P (00:00 to 15:00)
N . m
(Tracking VR : Not effective)
CTL/FE head
assembly
Securing screw
(PSW3 x 8)
Notch
AB EVEN ENV
SS GOP
CTL Head Position Adjustment
(–) 3 mm
flatbladed
screwdriver
Maximize
Marker
15 ms
DNW-A100/A50/A45
DNW-A100P/A50P/A45P