Check And Adjustment; Radial Alignment And Trkoo Sensor - Sony MP-F17W Service Manual

Micro floppydisk drive
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SECTION 5
CHECK AND ADJUSTMENT
5-1 RADIAL ALIGNME NT AND TRKOO SE NSOR
Disassemble the following parts and then perform
the measurement and adjustment.
a. Cover Ass'y (Refer to .... 1)
5-1-1 Toob and Mcasuriol Equipment
a. SMC System
b. MID System Disk (OR-DI76VA)
c. 50 Auto Disk (OR-D157WA)
d. CPIM Disk
e. TRKOO Adj. Lever.
f. Radial Alignment Adj. Driver
g. Torque Driver
h. Digitiz er
i. Fi:uure-l0
j.
IF Board
52/53
k. Conversion Cable (01) only for MP-F 17W-50D
5-1-2 Initial Setting
a.
Install
the TRKOO Adj. Lever onto Fixture-l0.
(Refer to 2-2-4)
Function
1.
The initial value for the humidity
is to be set at 50%.
(EX)
In case
the humidity of
60% is
keyed in,
2. The initial value for the specified
off track is to beset at 26 \.1m.
(EX)
!RE11JRNI
1!1
In case an off track of 30 \.1m is
rn
IQ]
keyed in,
!RE11JRN I
3. After the SET UP ends, the drive
rn
under test is set in the Fixture-l0
and
H
pin connector and power
connec tor
arc
connec ted
to
the
drive, hit the
1
key.
Note: This will start the adjustment.
4. Set POWER SEL switch to "OFF"
IRE11JRNI
side
(D
1/02
indicators
do
not
light.) and then turn on the power.
b. Connect the system as shown in Fig. 2-16.
c. Insert the CP
1M
Disk into the SMC System.
d. Turn on the power switch. "A>" is displayed
on screen.
e. Ej ec t the CP
1M
Disk and then insert the
MFD system disk.
f. Perform keying
(6IlQIlIDrn
and
I
RE11JRN I •
g. Connec t the disk drive (under test) to the
cable which leads to the IF board
52/53,
insert the 50 Auto Disk, and set the DRIVE
SELECT switch
(SI01)
to 0 (most right side).
(Refer to Fig. 2-16)
h. The set-up command is automatically seued.
Note: For resuming the state of SMC system to
the initial state (that appears immediately
after
power
goes
on)
press
the
reset
button.
Display
••• SET UP MENU •••
[ 1]
HUMIDITY
....................
: 50
[%1
[ 2] OFF TRACK
....................
:
26
[ \.lID]
[ 3]
Exit
(1) HUMIDrry ••.•.•••••••••••••.••••• :
(2) OPf TR ACK ...................... :
Turn on the power of IF board.
Set XADJ SW to OFF.
-41-

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