Sony SRW-5000, Руководство по обслуживанию, Страница: 356 / 438

6-26
SRW-5000/5500
CH-1
(REC CG ENV)
CH-2
(SWP11)
TRIG
(SV REF)
H
H L H L H L H L H
H L L
Marker
CTL/FE head assembly
Notch
Securing screw
(PSW3
x 8)
3 mm flatbladed
screwdriver
. Alignment tape : HR2-1B (00:00 to 20:00)
S802-1/SS-95 board : OFF (Tracking VR : Disabled)
Spec.3 : The marker appears at the high level of the
SV REF signal and low level of the SWP11
signal.
The output level A at the center portion of the
RF envelope waveform with this marker is
maximum.
CTL Head Position Adjustment
Adjustment
n
Ensure that the tracking control is disabled (Bit-1
and Bit-3 on the S802/SS-95 board are OFF and
Bit-2 is ON) before following adjustment.
4. Adjust the CTL Head Position
(1) Loosen the securing screw of the CTL/FE
head assembly by 1/4 to 1/2 turn.
(2) Insert a 3 mm flatbladed screwdriver into the
notch of the CTL/FE head assembly.
(3) Adjust the CTL/FE head assembly position
so that the output level at the center portion is
maximum and the marker appears in the RF
envelope waveform at the high level of the
SV REF signal and low level of the SWP11
signal. (Specification 3)
n
The RF envelope waveform is recorded on
HR2-1B (00:00 to 20:00) only for C ch.
(4) Tighten the screw loosened in step (1).
Tightening torque: 98
x
10
_ 2
N
.
m
{10.0 kgf
.
cm}
5. Recheck the CTL Head Position
Perform step 3 again.
n
After the adjustment, be sure to reset Bit-1, Bit-2
and Bit-3 of the DIP switch S802 on the SS-95
board to OFF (lower side).
After the Adjustment
6. Adjust Drum Phase
Refer to Section 7-2-3.
7. Adjust Digital DT System
Refer to Sections 7-2-5 and 7-2-6.
8. Adjust the AT Head Position
Refer to Section 6-9.