Final Check; Setting Ofsmc-70 - Sony OA-D32W Service Manual

Step
Abnormal Operation
for Each Step
Output level 1. The output signallevel
does not meet the
specification.
2. Read data does not
appear.
Peak Shift I. The shifted peak value
3-4. FINAL CHECK
3-4-1. Setting of SMC·70
does not meet the
specification.
a. Place auto start switch located on the left
side panel to "DISK".
b. A conversion cable for IfF (25 pin to 26 pin) is
connected to rear panel of SMI-7012A(Drive"
Unit).
3-4-2. Set The Check Area
Description
To display original test condition of the disk.
To change any of test conditions.
Type the minimum track to be tested.
[EX)
In case it is TRK 00.
Final Check
Check Point
Remarks
(defective place)
1. Read amplifier gain adjustment
Refer to 5-7.
is incomplete.
1. ICI03 (MC3470AP)
I. When the value in both "WCP
Refer to 4-14.
W" and "WCP M" do not
meet the specification, the
head is defective.
2. When difference in value Refer to 5-7.
between "WCP W" and
"WCP M" is remarkably Big,
off set adjustment is incomplete.
Co
Connect. the drive under test to the conversion
cable and set the DRIVE SELECT switch(SIOI)
of the unit to "2".
d. Error check system disk is inserted into drive A
of SMI-7012A and power is turned on.
e. After word "I\>" appears on CRT display,
drive check program will start.
Keying Display
~lliJllil!ID
ITl[Q .....
Floppy Disk Analysis v3.0 .....
IRETURN! ..... Copyright (C) 1981. Sep. .. ...
[Test condition) drive C
Minimum track
Maximum track
Minimum Sector
Maximum sector
Sector size
Single or Double side?
Read & Write retry
Seek & Home retry
#Do you want to change these test
conditions? (Y, N) =
[XJ
IRETURN! +Minimum track
o
[track)='*
@)
I
RETURN! +Maximum track 79 [track)=q
-23-
0
79
1
16
256
S
1
0