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2-2. SPECIAL TOOLS
2-2-1. MFD Checker D
(1)
MFD Checker D configuration
Main Checker Board
I/F
Cable
(26pin and 34pin)
Power Cable
(2 pieces)
Conversion Board (26pins-to-34pins)
NOTE: The Conversion Board and
34pin
IIF
Cable are
required for the
OA-D33W/OA-D33V.
(2) Micro Floppydisk Drive Connection (Refer to
Fig. 2-,1)
(3) MFD Checker
n
function switches
STEP IN •....... Steps the head inwards.
STEP OUT ....... Steps the head outwards.
The head continously moves if the switch is
kept pressed.
SIDE SELECT •... Selects one of two heads
(side 0 or side
1)
for a double sided. (This
switch is invalid for single sided versions.)
WRITE ...•....•. Records, data specified by
the OSC SEL switch, onto one track.
OSC SEL . . . . . . . . Selects such write data as
"2F", "IF", "WCP" (worst case pattern), or
EXT.
Power Cable
Special Tools
WCP W 1M ..•....• Selects upper and lower
patterns when the OSC SEL switch is set to
WCP. (Refer to Fig. 3-3 (c), (d»
HD LOAD •...... This is used to set the
plunger solenoid active.
M,OTOR ON ...•.. This
is
used to operate the
Disk Motor.
DRIVE SELECf ... Selects the disk drive.
The DRIVE SELECf switch on the disk drive
relates to the DRIVE SELECf switch on the
checker as follows:
Drive
Checker
IS101)
1
2
1
OFF
OFF
2
ON
OFF
3
OFF
ON
4
ON
ON
CHGRST . . . . . . . . Resets the DSKCHG
signal.
600/300 SELECf (Located in the middle of the
board) . . . . . . . . . . Set the 600/300 SELECf
switch at "600" for the OA-D32W
IOA-D32V.
SO/70 SELECf (Located in the middle of the
board) ..•.....•• Set the SO/70 SELECf
switch to "SO" for the OA-D32W/OA-D32V.
Fig. 2-1 Drawing of Connection Between Disk Drive
and MFD Checker II
-9-
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