Measurement; Adjustment; Measurement Command - Sony OA-D32W Service Manual

Function
5. The initial value for the INDEX signal period is to
be set at 100 msec.
[EX)
Measurement Command
Keying
Display
TIME/4 DIVISIONS?
In case an INDEX signal period of lOa msec is
I!]~~IRETURNI COMMAND NUMBER?
keyed in,
I
6. The initial value for the RfW core width
is to be
set at 120
"m.
[EX)
In case a RfW core width of 131/.1m for the
OA-32V is keyed in. (Specify a R/W core width
of 120 /.1m for the OA-32W.)
7. When the Set Up command execution ends,
(control to the main menu.)
5-4-5. Measurement Command
FUnction
1. Select the Measurement command.
Insert the Alignment disk.
2. Set the AID converter gain by adjustment so that
the peak values at both edges of the Cat's eye pat-
tern signal may range from 2 to 4 divisions. (Refer
to Fig. 5-4
(a) )
NOTE: If
gain
adjustment cannot be done, key
in
[Q) to
execute step 9. Thereafter, perform the radial
alignment adjustment. (Refer to 54-6.)
3. Measure the off track._
4. Calculate the off track.
NOTE: When "NO GOOD"
is
indicated on the CRT,
key
[Q]
to execute step 9. Thereafter, perform
adjustment
in
accordance with 54-6.
RfW CORE WIDTH?
1!]@]l!lIRETURNI COMMAND NUMBER?
1!J§IQ]lRETU~NI
Keying
MAIN MENU
[I) SET UP
(2) MEASUREMENT
(3) ADJUSTMENT
Display
SET DRIVE SELECT 4
INSERT AUGNMENT DISK
HIT [RETURN) KEY
ADJUST CAT'S EYE SIGNAL LEVEL
[MIN (L, R)
>
2 div) AND
[MAX(L, R)
<
4 div) AND
[MAX(L/R, R/L)
<
1.5)
HIT [RETURN) KEY
:t
;-.,
/
"-
"',.L
\
(aJ
MEASURING
CALCULATING
ADJUST 00 SENSOR
HIT [RETURN) KEY
\ I
II
/ ' ""
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