Configuration Of Smc-70 Drive Test System; Disks - Sony OA-D32W Service Manual

Configuration of SMC-70 Drive Test System
2·2·2. Configuration of SMC·70 Drive Test System
System configuration for Radial Alignment and
TRK 00 Sencer measurement, adjustment, and error
check with SMC·70 System is shown in Fig. 2·2 (a),
(b).
fa} Error Check
To Monitor
fb} Radial AlignmentlTRK 00 Senser
Fig.
2·2
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Dynamic Inspection Disk/Level Disk
Disks
2·2·3. Disks
(a) Level disk
_ OR·D46VA
ED
OR-D46WA
These disks are used to check and adjust the read
amplifier gain and off set, The self-read/write
operation can be checked with both of these
disks and the SMC-70 System.
(b) Alignment disk _ OR-D47VA
ED
OR-D47WA
These disks have prerecorded data such as Cat's
eye pattern and INDEX signal to check and
adjust the off-tracking and index position.
OR·D47VA
SIGNAL TRACK
SIDE
CAT'S EYE 00, 20, 25, 30, 35,
PATTERN 40,45,50,55,79
0
INDEX 40
SIDE
not applicable
I
(c) DYNAMIC INSPECTION D'ISK +30
1m
OR-D5IVA
ED
OR-D5IWA
DYNAMIC INSPECTION DISK -30
_ OR-D52VA
ED
OR-D52WA
These disks can be used in the final check for a
drive with the SMC-70 System.
NOTE: (+) indicates that data has been recorded in the
inner side oftracks.
Contents
(-) indicates that data has been recorded in the
outer side of tracks.
OR·D51VA OR·D52VA
OR·D47WA
SIGNAL TRACK
CAT'S EYE 00,20,25,30,35,
PATTERN 40,45,50,55,79
INDEX 40
CAT'S EYE
40
PATTERN
INDEX 40
(d) CLEANING DISK
1m
OR-D29VA
ED
OR-D29WA
This type of disk can be used for cleaning the
head.
OR·D51WA OR-D52WA
SIDE
Offset of +30 tJ.m for Offset of -30 tJ.m for Offset of +30 tJ.m for Offset of -30 tJ.m for
0
all formatted tracks all formatted tracks all formatted tracks
all formatted tracks
SIDE
Offset of +30 tJ.m for
Offset of -30 tJ.m for
I
not applicable
not applicable
all formatted tracks all formatted tracks
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